diff --git a/firmware/application/CMakeLists.txt b/firmware/application/CMakeLists.txt
index 63f4f969..d53b8c22 100644
--- a/firmware/application/CMakeLists.txt
+++ b/firmware/application/CMakeLists.txt
@@ -209,6 +209,7 @@ set(CPPSRC
 	ui_spectrum.cpp
 	ui_sstvtx.cpp
 	ui_tabview.cpp
+	ui_test.cpp
 	ui_textentry.cpp
 	ui_touch_calibration.cpp
 	ui_touchtunes.cpp
@@ -229,6 +230,7 @@ set(CPPSRC
 	${COMMON}/adsb_frame.cpp
 	${COMMON}/adsb.cpp
 	${COMMON}/sonde_packet.cpp
+	${COMMON}/test_packet.cpp
 	ais_app.cpp
 	tpms_app.cpp
 	pocsag_app.cpp
diff --git a/firmware/application/main.cpp b/firmware/application/main.cpp
index 0d2ca15c..83217bc3 100755
--- a/firmware/application/main.cpp
+++ b/firmware/application/main.cpp
@@ -59,7 +59,24 @@ Continuous (Fox-oring)
 60s transmit, 240s space (Classic 1/5 min) 
 60s transmit, 360s space (Classic 1/7 min) 
 */
+<<<<<<< ./firmware/application/main_LOCAL_5232.cpp
+||||||| ./firmware/application/main_BASE_5232.cpp
+//TODO: Use TransmitterView in TEDI/LCR, Numbers, ...
+=======
+//TODO: Use TransmitterView in TEDI/LCR, Numbers, ...
+//TODO: Use TransmitterView in TEDI/LCR, Numbers, ...
+>>>>>>> ./firmware/application/main_REMOTE_5232.cpp
 //TODO: FreqMan: Remove and rename categories
+<<<<<<< ./firmware/application/main_LOCAL_5232.cpp
+||||||| ./firmware/application/main_BASE_5232.cpp
+//TODO: Wav visualizer
+//TODO: File browser view ?
+=======
+//TODO: Wav visualizer
+//TODO: File browser view ?
+//TODO: Wav visualizer
+//TODO: File browser view ?
+>>>>>>> ./firmware/application/main_REMOTE_5232.cpp
 //TODO: Mousejack ?
 //TODO: Move frequencykeypad from ui_receiver to ui_widget (used everywhere)
 //TODO: ADS-B draw trajectory + GPS coordinates + scale, and playback
diff --git a/firmware/application/ui_adsb_rx.cpp b/firmware/application/ui_adsb_rx.cpp
index 508f2c55..fcb47ea0 100644
--- a/firmware/application/ui_adsb_rx.cpp
+++ b/firmware/application/ui_adsb_rx.cpp
@@ -161,6 +161,7 @@ ADSBRxDetailsView::ADSBRxDetailsView(
 		geomap_view = nav.push<GeoMapView>(
 			entry_copy.callsign,
 			entry_copy.pos.altitude,
+			GeoPos::alt_unit::FEET,
 			entry_copy.pos.latitude,
 			entry_copy.pos.longitude,
 			0,
diff --git a/firmware/application/ui_adsb_tx.cpp b/firmware/application/ui_adsb_tx.cpp
index ada4d99c..94da2343 100644
--- a/firmware/application/ui_adsb_tx.cpp
+++ b/firmware/application/ui_adsb_tx.cpp
@@ -89,6 +89,7 @@ ADSBPositionView::ADSBPositionView(
 	button_set_map.on_select = [this, &nav](Button&) {
 		nav.push<GeoMapView>(
 			geopos.altitude(),
+			GeoPos::alt_unit::FEET,
 			geopos.lat(),
 			geopos.lon(),
 			[this](int32_t altitude, float lat, float lon) {
diff --git a/firmware/application/ui_adsb_tx.hpp b/firmware/application/ui_adsb_tx.hpp
index 927d543f..f68da241 100644
--- a/firmware/application/ui_adsb_tx.hpp
+++ b/firmware/application/ui_adsb_tx.hpp
@@ -55,7 +55,8 @@ public:
 
 private:
 	GeoPos geopos {
-		{ 0, 2 * 16 }
+		{ 0, 2 * 16 },
+		GeoPos::FEET
 	};
 	
 	Button button_set_map {
diff --git a/firmware/application/ui_geomap.cpp b/firmware/application/ui_geomap.cpp
index a81527c2..724665a0 100644
--- a/firmware/application/ui_geomap.cpp
+++ b/firmware/application/ui_geomap.cpp
@@ -29,22 +29,29 @@
 
 using namespace portapack;
 
+#include "string_format.hpp"
+
 namespace ui {
 
 GeoPos::GeoPos(
-	const Point pos
-) {
-	set_parent_rect({pos, {30 * 8, 3 * 16}});
+	const Point pos,
+	const alt_unit altitude_unit
+) : altitude_unit_(altitude_unit) {
+	
+	set_parent_rect({pos, { 30 * 8, 3 * 16 }});
 	
 	add_children({
 		&labels_position,
 		&field_altitude,
+		&text_alt_unit,
 		&field_lat_degrees,
 		&field_lat_minutes,
 		&field_lat_seconds,
+		&text_lat_decimal,
 		&field_lon_degrees,
 		&field_lon_minutes,
-		&field_lon_seconds
+		&field_lon_seconds,
+		&text_lon_decimal
 	});
 	
 	// Defaults
@@ -53,8 +60,22 @@ GeoPos::GeoPos(
 	set_lon(0);
 	
 	const auto changed_fn = [this](int32_t) {
+		float lat_value = lat();
+		float lon_value = lon();
+		double integer_part;
+		double fractional_part;
+		
+		fractional_part = modf(lat_value, &integer_part) * 100000;
+		if (fractional_part < 0)
+			fractional_part = -fractional_part;
+		text_lat_decimal.set(to_string_dec_int(integer_part) + "." + to_string_dec_uint(fractional_part, 5));
+		fractional_part = modf(lon_value, &integer_part) * 100000;
+		if (fractional_part < 0)
+			fractional_part = -fractional_part;
+		text_lon_decimal.set(to_string_dec_int(integer_part) + "." + to_string_dec_uint(fractional_part, 5));
+	
 		if (on_change && report_change)
-			on_change(altitude(), lat(), lon());
+			on_change(altitude(), lat_value, lon_value);
 	};
 	
 	field_altitude.on_change = changed_fn;
@@ -64,6 +85,13 @@ GeoPos::GeoPos(
 	field_lon_degrees.on_change = changed_fn;
 	field_lon_minutes.on_change = changed_fn;
 	field_lon_seconds.on_change = changed_fn;
+	
+	text_alt_unit.set(altitude_unit_ ? "m" : "ft");
+}
+
+void GeoPos::set_read_only(bool v) {
+	for(auto child : children_)
+		child->set_focusable(!v);
 }
 
 // Stupid hack to avoid an event loop
@@ -103,10 +131,6 @@ int32_t GeoPos::altitude() {
 	return field_altitude.value();
 };
 
-void GeoPos::set_read_only(bool v) {
-	set_focusable(~v);
-};
-
 GeoMap::GeoMap(
 	Rect parent_rect
 ) : Widget { parent_rect }
@@ -117,7 +141,6 @@ GeoMap::GeoMap(
 void GeoMap::paint(Painter& painter) {
 	Coord line;
 	std::array<ui::Color, 240> map_line_buffer;
-	//Color border;
 	const auto r = screen_rect();
 	
 	// Ony redraw map if it moved by at least 1 pixel
@@ -265,12 +288,14 @@ GeoMapView::GeoMapView(
 	NavigationView& nav,
 	const std::string& tag,
 	int32_t altitude,
+	GeoPos::alt_unit altitude_unit,
 	float lat,
 	float lon,
 	float angle,
 	const std::function<void(void)> on_close
 ) : nav_ (nav),
 	altitude_ (altitude),
+	altitude_unit_ (altitude_unit),
 	lat_ (lat),
 	lon_ (lon),
 	angle_ (angle),
@@ -296,11 +321,13 @@ GeoMapView::GeoMapView(
 GeoMapView::GeoMapView(
 	NavigationView& nav,
 	int32_t altitude,
+	GeoPos::alt_unit altitude_unit,
 	float lat,
 	float lon,
 	const std::function<void(int32_t, float, float)> on_done
 ) : nav_ (nav),
 	altitude_ (altitude),
+	altitude_unit_ (altitude_unit),
 	lat_ (lat),
 	lon_ (lon)
 {
diff --git a/firmware/application/ui_geomap.hpp b/firmware/application/ui_geomap.hpp
index 4608742c..45a9479b 100644
--- a/firmware/application/ui_geomap.hpp
+++ b/firmware/application/ui_geomap.hpp
@@ -39,9 +39,14 @@ enum GeoMapMode {
 
 class GeoPos : public View {
 public:
+	enum alt_unit {
+		FEET = 0,
+		METERS
+	};
+	
 	std::function<void(int32_t, float, float)> on_change { };
 	
-	GeoPos(const Point pos);
+	GeoPos(const Point pos, const alt_unit altitude_unit);
 	
 	void focus() override;
 	
@@ -58,39 +63,52 @@ public:
 private:
 	bool read_only { false };
 	bool report_change { true };
+	alt_unit altitude_unit_ { };
 
 	Labels labels_position {
-		{ { 2 * 8, 0 * 16 }, "Alt:       feet", Color::light_grey() },
-		{ { 2 * 8, 1 * 16 }, "Lat:     *  '  \"", Color::light_grey() },	// No ° symbol in 8x16 font
-		{ { 2 * 8, 2 * 16 }, "Lon:     *  '  \"", Color::light_grey() },
+		{ { 1 * 8, 0 * 16 }, "Alt:", Color::light_grey() },
+		{ { 1 * 8, 1 * 16 }, "Lat:    *  '  \"", Color::light_grey() },	// No ° symbol in 8x16 font
+		{ { 1 * 8, 2 * 16 }, "Lon:    *  '  \"", Color::light_grey() },
 	};
 	
 	NumberField field_altitude {
-		{ 7 * 8, 0 * 16 },
+		{ 6 * 8, 0 * 16 },
 		5,
 		{ -1000, 50000 },
 		250,
 		' '
 	};
+	Text text_alt_unit {
+		{ 12 * 8, 0 * 16, 2 * 8, 16 },
+		""
+	};
 	
 	NumberField field_lat_degrees {
-		{ 7 * 8, 1 * 16 }, 4, { -90, 90 }, 1, ' '
+		{ 5 * 8, 1 * 16 }, 4, { -90, 90 }, 1, ' '
 	};
 	NumberField field_lat_minutes {
-		{ 12 * 8, 1 * 16 }, 2, { 0, 59 }, 1, ' '
+		{ 10 * 8, 1 * 16 }, 2, { 0, 59 }, 1, ' '
 	};
 	NumberField field_lat_seconds {
-		{ 15 * 8, 1 * 16 }, 2, { 0, 59 }, 1, ' '
+		{ 13 * 8, 1 * 16 }, 2, { 0, 59 }, 1, ' '
+	};
+	Text text_lat_decimal {
+		{ 17 * 8, 1 * 16, 13 * 8, 1 * 16 },
+		""
 	};
 	
 	NumberField field_lon_degrees {
-		{ 7 * 8, 2 * 16 }, 4, { -180, 180 }, 1, ' '
+		{ 5 * 8, 2 * 16 }, 4, { -180, 180 }, 1, ' '
 	};
 	NumberField field_lon_minutes {
-		{ 12 * 8, 2 * 16 }, 2, { 0, 59 }, 1, ' '
+		{ 10 * 8, 2 * 16 }, 2, { 0, 59 }, 1, ' '
 	};
 	NumberField field_lon_seconds {
-		{ 15 * 8, 2 * 16 }, 2, { 0, 59 }, 1, ' '
+		{ 13 * 8, 2 * 16 }, 2, { 0, 59 }, 1, ' '
+	};
+	Text text_lon_decimal {
+		{ 17 * 8, 2 * 16, 13 * 8, 1 * 16 },
+		""
 	};
 };
 
@@ -133,13 +151,15 @@ public:
 		NavigationView& nav,
 		const std::string& tag,
 		int32_t altitude,
+		GeoPos::alt_unit altitude_unit,
 		float lat,
 		float lon,
 		float angle,
-		const std::function<void(void)> on_close
+		const std::function<void(void)> on_close = nullptr
 	);
 	GeoMapView(NavigationView& nav,
 		int32_t altitude,
+		GeoPos::alt_unit altitude_unit,
 		float lat,
 		float lon,
 		const std::function<void(int32_t, float, float)> on_done
@@ -167,6 +187,7 @@ private:
 	const Dim banner_height = 3 * 16;
 	GeoMapMode mode_ { };
 	int32_t altitude_ { };
+	GeoPos::alt_unit altitude_unit_ { };
 	float lat_ { };
 	float lon_ { };
 	float angle_ { };
@@ -175,7 +196,8 @@ private:
 	bool map_opened { };
 	
 	GeoPos geopos {
-		{ 0, 0 }
+		{ 0, 0 },
+		altitude_unit_
 	};
 	
 	GeoMap geomap {
diff --git a/firmware/application/ui_navigation.cpp b/firmware/application/ui_navigation.cpp
index a31edb48..04cb114d 100644
--- a/firmware/application/ui_navigation.cpp
+++ b/firmware/application/ui_navigation.cpp
@@ -58,6 +58,7 @@
 #include "ui_sonde.hpp"
 #include "ui_soundboard.hpp"
 #include "ui_sstvtx.hpp"
+#include "ui_test.hpp"
 #include "ui_touchtunes.hpp"
 #include "ui_view_wav.hpp"
 #include "ui_whipcalc.hpp"
@@ -297,7 +298,7 @@ ReceiversMenuView::ReceiversMenuView(NavigationView& nav) {
 		{ "POCSAG", 				ui::Color::green(),	&bitmap_icon_pocsag,	[&nav](){ nav.push<POCSAGAppView>(); } },
 		{ "SIGFOX", 				ui::Color::grey(),	&bitmap_icon_fox,	[&nav](){ nav.push<NotImplementedView>(); } }, // SIGFRXView
 		{ "LoRa", 					ui::Color::grey(),	nullptr,			[&nav](){ nav.push<NotImplementedView>(); } },
-		{ "Radiosondes", 			ui::Color::red(),	&bitmap_icon_sonde,	[&nav](){ nav.push<SondeView>(); } },
+		{ "Radiosondes", 			ui::Color::yellow(),&bitmap_icon_sonde,	[&nav](){ nav.push<SondeView>(); } },
 		{ "SSTV", 					ui::Color::grey(), 	&bitmap_icon_sstv,	[&nav](){ nav.push<NotImplementedView>(); } },
 		{ "TPMS:  Cars", 			ui::Color::green(),	&bitmap_icon_tpms,	[&nav](){ nav.push<TPMSAppView>(); } },
 	});
@@ -335,6 +336,7 @@ TransmittersMenuView::TransmittersMenuView(NavigationView& nav) {
 
 UtilitiesMenuView::UtilitiesMenuView(NavigationView& nav) {
 	add_items({
+		{ "Test app", 				ui::Color::grey(), 		nullptr,				[&nav](){ nav.push<TestView>(); } },
 		{ "Frequency manager", 		ui::Color::green(), 	&bitmap_icon_freqman,	[&nav](){ nav.push<FrequencyManagerView>(); } },
 		{ "File manager", 			ui::Color::yellow(),	&bitmap_icon_file,		[&nav](){ nav.push<FileManagerView>(); } },
 		{ "Whip antenna length",	ui::Color::yellow(),	nullptr,				[&nav](){ nav.push<WhipCalcView>(); } },
diff --git a/firmware/application/ui_sonde.cpp b/firmware/application/ui_sonde.cpp
index 92720dc0..3854373c 100644
--- a/firmware/application/ui_sonde.cpp
+++ b/firmware/application/ui_sonde.cpp
@@ -21,20 +21,17 @@
  */
 
 #include "ui_sonde.hpp"
-
 #include "baseband_api.hpp"
 
 #include "portapack.hpp"
 using namespace portapack;
 
-//#include "manchester.hpp"
-
 #include "string_format.hpp"
 
-/*void SondeLogger::on_packet(const sonde::Packet& packet) {
+void SondeLogger::on_packet(const sonde::Packet& packet) {
 	const auto formatted = packet.symbols_formatted();
-	log_file.write_entry(packet.received_at(), formatted.data + "/" + formatted.errors);
-}*/
+	log_file.write_entry(packet.received_at(), formatted.data);
+}
 
 namespace ui {
 
@@ -42,16 +39,22 @@ SondeView::SondeView(NavigationView& nav) {
 	baseband::run_image(portapack::spi_flash::image_tag_sonde);
 
 	add_children({
+		&labels,
 		&field_frequency,
-		&text_debug,
 		&field_rf_amp,
 		&field_lna,
 		&field_vga,
-		&rssi
+		&rssi,
+		&check_log,
+		&text_signature,
+		&text_serial,
+		&text_voltage,
+		&geopos,
+		&button_see_map
 	});
 
-	field_frequency.set_value(receiver_model.tuning_frequency());
-	field_frequency.set_step(receiver_model.frequency_step());
+	field_frequency.set_value(target_frequency_);
+	field_frequency.set_step(10000);
 	field_frequency.on_change = [this](rf::Frequency f) {
 		set_target_frequency(f);
 		field_frequency.set_value(f);
@@ -65,8 +68,14 @@ SondeView::SondeView(NavigationView& nav) {
 		};
 	};
 	
+	geopos.set_read_only(true);
+	
+	check_log.on_select = [this](Checkbox&, bool v) {
+		logging = v;
+	};
+	
 	radio::enable({
-		receiver_model.tuning_frequency(),
+		tuning_frequency(),
 		sampling_rate,
 		baseband_bandwidth,
 		rf::Direction::Receive,
@@ -74,13 +83,21 @@ SondeView::SondeView(NavigationView& nav) {
 		static_cast<int8_t>(receiver_model.lna()),
 		static_cast<int8_t>(receiver_model.vga()),
 	});
-	
-	set_target_frequency(402000000);
 
-	/*logger = std::make_unique<SondeLogger>();
-	if( logger ) {
+	button_see_map.on_select = [this, &nav](Button&) {
+		nav.push<GeoMapView>(
+			"",
+			altitude,
+			GeoPos::alt_unit::METERS,
+			latitude,
+			longitude,
+			0);
+	};
+	
+	logger = std::make_unique<SondeLogger>();
+	if (logger)
 		logger->append(u"sonde.txt");
-	}*/
+	
 }
 
 SondeView::~SondeView() {
@@ -92,19 +109,25 @@ void SondeView::focus() {
 	field_vga.focus();
 }
 
-void SondeView::on_packet(const baseband::Packet& packet) {
-	std::string bin_string;
+void SondeView::on_packet(const sonde::Packet& packet) {
+	//const auto hex_formatted = packet.symbols_formatted();
 	
-	for (size_t i = 0; i < 30; i++) {
-		bin_string += to_string_dec_uint(packet[i]);
+	text_signature.set(packet.signature());
+	text_serial.set(packet.serial_number());
+	text_voltage.set(unit_auto_scale(packet.battery_voltage(), 2, 3) + "V");
+	
+	altitude = packet.GPS_altitude();
+	latitude = packet.GPS_latitude();
+	longitude = packet.GPS_longitude();
+	
+	geopos.set_altitude(altitude);
+	geopos.set_lat(latitude);
+	geopos.set_lon(longitude);
+	
+	if (logger && logging) {
+		logger->on_packet(packet);
 	}
 	
-	text_debug.set(bin_string);
-	
-	/*if( logger ) {
-		logger->on_packet(packet);
-	}*/
-
 	/*if( packet.crc_ok() ) {
 	}*/
 }
diff --git a/firmware/application/ui_sonde.hpp b/firmware/application/ui_sonde.hpp
index b00b6336..f31ac823 100644
--- a/firmware/application/ui_sonde.hpp
+++ b/firmware/application/ui_sonde.hpp
@@ -26,7 +26,7 @@
 #include "ui_navigation.hpp"
 #include "ui_receiver.hpp"
 #include "ui_rssi.hpp"
-#include "ui_channel.hpp"
+#include "ui_geomap.hpp"
 
 #include "event_m0.hpp"
 
@@ -34,12 +34,10 @@
 
 #include "sonde_packet.hpp"
 
-#include "recent_entries.hpp"
-
 #include <cstddef>
 #include <string>
 
-/*class SondeLogger {
+class SondeLogger {
 public:
 	Optional<File::Error> append(const std::filesystem::path& filename) {
 		return log_file.append(filename);
@@ -49,7 +47,7 @@ public:
 
 private:
 	LogFile log_file { };
-};*/
+};
 
 namespace ui {
 
@@ -66,8 +64,18 @@ public:
 	std::string title() const override { return "Radiosonde RX"; };
 
 private:
-	//std::unique_ptr<SondeLogger> logger { };
-	uint32_t target_frequency_ { };
+	std::unique_ptr<SondeLogger> logger { };
+	uint32_t target_frequency_ { 402000000 };
+	bool logging { false };
+	int32_t altitude { 0 };
+	float latitude { 0 };
+	float longitude { 0 };
+	
+	Labels labels {
+		{ { 0 * 8, 2 * 16 }, "Signature:", Color::light_grey() },
+		{ { 3 * 8, 3 * 16 }, "Serial:", Color::light_grey() },
+		{ { 4 * 8, 4 * 16 }, "Vbatt:", Color::light_grey() }
+	};
 
 	FrequencyField field_frequency {
 		{ 0 * 8, 0 * 8 },
@@ -88,23 +96,45 @@ private:
 		{ 21 * 8, 0, 6 * 8, 4 },
 	};
 	
-	Text text_debug {
-		{ 0, 32, 240, 16 },
-		"Waiting for frame..."
+	Checkbox check_log {
+		{ 22 * 8, 2 * 16 + 12 },
+		3,
+		"Log"
+	};
+	
+	Text text_signature {
+		{ 10 * 8, 2 * 16, 10 * 8, 16 },
+		"..."
+	};
+	Text text_serial {
+		{ 10 * 8, 3 * 16, 11 * 8, 16 },
+		"..."
+	};
+	Text text_voltage {
+		{ 10 * 8, 4 * 16, 10 * 8, 16 },
+		"..."
+	};
+	
+	GeoPos geopos {
+		{ 0, 6 * 16 },
+		GeoPos::alt_unit::METERS
+	};
+	
+	Button button_see_map {
+		{ 8 * 8, 10 * 16, 14 * 8, 3 * 16 },
+		"See on map"
 	};
 
 	MessageHandlerRegistration message_handler_packet {
 		Message::ID::SondePacket,
 		[this](Message* const p) {
 			const auto message = static_cast<const SondePacketMessage*>(p);
-			//const sonde::Packet packet { message->type, message->packet };
-			//this->on_packet(packet);
-			this->on_packet(message->packet);
+			const sonde::Packet packet { message->packet, message->type };
+			this->on_packet(packet);
 		}
 	};
 
-	//void on_packet(const sonde::Packet& packet);
-	void on_packet(const baseband::Packet& packet);
+	void on_packet(const sonde::Packet& packet);
 	void set_target_frequency(const uint32_t new_value);
 	uint32_t tuning_frequency() const;
 };
diff --git a/firmware/application/ui_test.cpp b/firmware/application/ui_test.cpp
new file mode 100644
index 00000000..6268a1db
--- /dev/null
+++ b/firmware/application/ui_test.cpp
@@ -0,0 +1,123 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 Furrtek
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "ui_test.hpp"
+#include "baseband_api.hpp"
+
+#include "portapack.hpp"
+using namespace portapack;
+
+#include "string_format.hpp"
+
+namespace ui {
+
+TestView::TestView(NavigationView& nav) {
+	baseband::run_image(portapack::spi_flash::image_tag_test);
+
+	add_children({
+		&labels,
+		&field_frequency,
+		&field_rf_amp,
+		&field_lna,
+		&field_vga,
+		&rssi,
+		&text_debug_a,
+		&text_debug_b
+	});
+
+	field_frequency.set_value(target_frequency_);
+	field_frequency.set_step(10000);
+	field_frequency.on_change = [this](rf::Frequency f) {
+		set_target_frequency(f);
+		field_frequency.set_value(f);
+	};
+	field_frequency.on_edit = [this, &nav]() {
+		// TODO: Provide separate modal method/scheme?
+		auto new_view = nav.push<FrequencyKeypadView>(receiver_model.tuning_frequency());
+		new_view->on_changed = [this](rf::Frequency f) {
+			set_target_frequency(f);
+			field_frequency.set_value(f);
+		};
+	};
+	
+	radio::enable({
+		tuning_frequency(),
+		sampling_rate,
+		baseband_bandwidth,
+		rf::Direction::Receive,
+		receiver_model.rf_amp(),
+		static_cast<int8_t>(receiver_model.lna()),
+		static_cast<int8_t>(receiver_model.vga()),
+	});
+}
+
+TestView::~TestView() {
+	radio::disable();
+	baseband::shutdown();
+}
+
+void TestView::focus() {
+	field_vga.focus();
+}
+
+void TestView::on_packet(const testapp::Packet& packet) {
+	const auto hex_formatted = packet.symbols_formatted();
+	auto v = packet.value();
+	
+	packet_count++;
+	uint32_t diff = ((v - 1) - prev_v);
+	if (diff < 20)
+		packets_lost += diff;
+	prev_v = v;
+	
+	text_debug_a.set(hex_formatted.data.substr(0, 30));
+	
+	text_debug_b.set(to_string_dec_uint((packets_lost * 1000) / packet_count) + " per 1000");
+	
+	display.draw_pixel(Point(cur_x, 4 * 16 + (256 - packet.alt())), Color::white());
+	
+	cur_x++;
+	if (cur_x >= 240) {
+		display.fill_rectangle(Rect(0, 4 * 16, 240, 256), Color::black());
+		cur_x = 0;
+	}
+	
+	//radio::disable();
+	
+	/*text_serial.set(packet.serial_number());
+	text_voltage.set(unit_auto_scale(packet.battery_voltage(), 2, 3) + "V");
+	
+	altitude = packet.GPS_altitude();
+	latitude = packet.GPS_latitude();
+	longitude = packet.GPS_longitude();*/
+}
+
+void TestView::set_target_frequency(const uint32_t new_value) {
+	target_frequency_ = new_value;
+	radio::set_tuning_frequency(tuning_frequency());
+}
+
+uint32_t TestView::tuning_frequency() const {
+	return target_frequency_ - (sampling_rate / 4);
+}
+
+} /* namespace ui */
diff --git a/firmware/application/ui_test.hpp b/firmware/application/ui_test.hpp
new file mode 100644
index 00000000..58bddc82
--- /dev/null
+++ b/firmware/application/ui_test.hpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 Furrtek
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __UI_TEST_H__
+#define __UI_TEST_H__
+
+#include "ui_navigation.hpp"
+#include "ui_receiver.hpp"
+#include "ui_rssi.hpp"
+
+#include "event_m0.hpp"
+
+#include "test_packet.hpp"
+
+#include <cstddef>
+#include <string>
+
+namespace ui {
+
+class TestView : public View {
+public:
+	static constexpr uint32_t sampling_rate = 2457600;
+	static constexpr uint32_t baseband_bandwidth = 1750000;
+
+	TestView(NavigationView& nav);
+	~TestView();
+
+	void focus() override;
+
+	std::string title() const override { return "Test app"; };
+
+private:
+	uint32_t target_frequency_ { 439255000 };
+	Coord cur_x { 0 };
+	uint32_t packet_count { 0 };
+	uint32_t packets_lost { 0 };
+	uint32_t prev_v { 0 };
+	
+	Labels labels {
+		{ { 0 * 8, 1 * 16 }, "Data:", Color::light_grey() }
+	};
+
+	FrequencyField field_frequency {
+		{ 0 * 8, 0 * 8 },
+	};
+	RFAmpField field_rf_amp {
+		{ 13 * 8, 0 * 16 }
+	};
+
+	LNAGainField field_lna {
+		{ 15 * 8, 0 * 16 }
+	};
+
+	VGAGainField field_vga {
+		{ 18 * 8, 0 * 16 }
+	};
+
+	RSSI rssi {
+		{ 21 * 8, 0, 6 * 8, 4 },
+	};
+	
+	Text text_debug_a {
+		{ 0 * 8, 2 * 16, 30 * 8, 16 },
+		"..."
+	};
+	Text text_debug_b {
+		{ 0 * 8, 3 * 16, 30 * 8, 16 },
+		"..."
+	};
+
+	MessageHandlerRegistration message_handler_packet {
+		Message::ID::TestAppPacket,
+		[this](Message* const p) {
+			const auto message = static_cast<const TestAppPacketMessage*>(p);
+			const testapp::Packet packet { message->packet };
+			this->on_packet(packet);
+		}
+	};
+
+	void on_packet(const testapp::Packet& packet);
+	void set_target_frequency(const uint32_t new_value);
+	uint32_t tuning_frequency() const;
+};
+
+} /* namespace ui */
+
+#endif/*__UI_TEST_H__*/
diff --git a/firmware/baseband/CMakeLists.txt b/firmware/baseband/CMakeLists.txt
index 206e1bb7..7346f89f 100644
--- a/firmware/baseband/CMakeLists.txt
+++ b/firmware/baseband/CMakeLists.txt
@@ -422,6 +422,13 @@ set(MODE_CPPSRC
 )
 DeclareTargets(PSTX sstvtx)
 
+### Test
+
+set(MODE_CPPSRC
+	proc_test.cpp
+)
+DeclareTargets(PTST test)
+
 ### Tones
 
 set(MODE_CPPSRC
diff --git a/firmware/baseband/proc_sonde.cpp b/firmware/baseband/proc_sonde.cpp
index 9743beb6..35e8791e 100644
--- a/firmware/baseband/proc_sonde.cpp
+++ b/firmware/baseband/proc_sonde.cpp
@@ -23,7 +23,6 @@
 #include "proc_sonde.hpp"
 
 #include "dsp_fir_taps.hpp"
-//#include "portapack_shared_memory.hpp"
 
 #include "event_m4.hpp"
 
diff --git a/firmware/baseband/proc_sonde.hpp b/firmware/baseband/proc_sonde.hpp
index e5dba34e..9f6cca05 100644
--- a/firmware/baseband/proc_sonde.hpp
+++ b/firmware/baseband/proc_sonde.hpp
@@ -28,8 +28,8 @@
  * Since the applied shift in ui_sonde.cpp is -fs/4 = -2457600/4 = -614400Hz to avoid the DC spike, the FSK signal ends up being
  * shifted by 614400 / 8 / 8 = 9600Hz. So decim_1_out should look like this:
  * 
- *   _______________|__/'\__________
- * -C               A   B           C
+ *   _______________|______/'\______
+ * -C               A       B       C
  * 
  * A is the DC spike at 0Hz
  * B is the FSK signal shifted right at 9600Hz
@@ -40,7 +40,7 @@
  *   ______________/'\______________
  * -C               D               C
  * 
- * A should have been filtered off ?
+ * Anything unwanted (like A) should have been filtered off
  * D is B around 0Hz now
  * 
  * Then the clock_recovery function should be happy :)
@@ -113,18 +113,17 @@ private:
 	dsp::decimate::FIRC16xR16x32Decim8 decim_1 { };
 	dsp::matched_filter::MatchedFilter mf { baseband::ais::square_taps_38k4_1t_p, 2 };
 
-	// AIS: 19200, 9600
 	clock_recovery::ClockRecovery<clock_recovery::FixedErrorFilter> clock_recovery_fsk_4800 {
-		19200, 4800, { 0.0555f },
+		19200, 9600, { 0.0555f },
 		[this](const float raw_symbol) {
 			const uint_fast8_t sliced_symbol = (raw_symbol >= 0.0f) ? 1 : 0;
 			this->packet_builder_fsk_4800_M10.execute(sliced_symbol);
 		}
 	};
 	PacketBuilder<BitPattern, NeverMatch, FixedLength> packet_builder_fsk_4800_M10 {
-		{ 0b11001100110011001010011001001100, 32, 1 },
+		{ 0b00110011001100110101100110110011, 32, 1 },
 		{ },
-		{ 50 },	// { 102 * 8 },
+		{ 88 * 2 * 8 },
 		[this](const baseband::Packet& packet) {
 			const SondePacketMessage message { sonde::Packet::Type::M10, packet };
 			shared_memory.application_queue.push(message);
diff --git a/firmware/baseband/proc_test.cpp b/firmware/baseband/proc_test.cpp
new file mode 100644
index 00000000..d31da2ac
--- /dev/null
+++ b/firmware/baseband/proc_test.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 Furrtek
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "proc_test.hpp"
+
+#include "dsp_fir_taps.hpp"
+
+#include "event_m4.hpp"
+
+TestProcessor::TestProcessor() {
+	decim_0.configure(taps_11k0_decim_0.taps, 33554432);
+	decim_1.configure(taps_11k0_decim_1.taps, 131072);
+}
+
+void TestProcessor::execute(const buffer_c8_t& buffer) {
+	/* 2.4576MHz, 2048 samples */
+
+	const auto decim_0_out = decim_0.execute(buffer, dst_buffer);
+	const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer);
+	const auto decimator_out = decim_1_out;
+
+	/* 38.4kHz, 32 samples */
+	feed_channel_stats(decimator_out);
+
+	for(size_t i=0; i<decimator_out.count; i++) {
+		if( mf.execute_once(decimator_out.p[i]) ) {
+			clock_recovery_fsk_9600(mf.get_output());
+		}
+	}
+}
+
+int main() {
+	EventDispatcher event_dispatcher { std::make_unique<TestProcessor>() };
+	event_dispatcher.run();
+	return 0;
+}
diff --git a/firmware/baseband/proc_test.hpp b/firmware/baseband/proc_test.hpp
new file mode 100644
index 00000000..dcdcd4a9
--- /dev/null
+++ b/firmware/baseband/proc_test.hpp
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 Furrtek
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __PROC_TEST_H__
+#define __PROC_TEST_H__
+
+#include "baseband_processor.hpp"
+#include "baseband_thread.hpp"
+#include "rssi_thread.hpp"
+#include "proc_ais.hpp"
+
+#include "channel_decimator.hpp"
+#include "matched_filter.hpp"
+
+#include "clock_recovery.hpp"
+#include "symbol_coding.hpp"
+#include "packet_builder.hpp"
+#include "baseband_packet.hpp"
+
+#include "message.hpp"
+#include "portapack_shared_memory.hpp"
+
+#include <cstdint>
+#include <cstddef>
+#include <bitset>
+
+class TestProcessor : public BasebandProcessor {
+public:
+	TestProcessor();
+	
+	void execute(const buffer_c8_t& buffer) override;
+
+private:
+	static constexpr size_t baseband_fs = 2457600;
+	
+	BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Receive };
+	RSSIThread rssi_thread { NORMALPRIO + 10 };
+
+	std::array<complex16_t, 512> dst { };
+	const buffer_c16_t dst_buffer {
+		dst.data(),
+		dst.size()
+	};
+
+	dsp::decimate::FIRC8xR16x24FS4Decim8 decim_0 { };
+	dsp::decimate::FIRC16xR16x32Decim8 decim_1 { };
+	dsp::matched_filter::MatchedFilter mf { baseband::ais::square_taps_38k4_1t_p, 2 };
+
+	clock_recovery::ClockRecovery<clock_recovery::FixedErrorFilter> clock_recovery_fsk_9600 {
+		19200, 9600, { 0.00555f },
+		[this](const float raw_symbol) {
+			const uint_fast8_t sliced_symbol = (raw_symbol >= 0.0f) ? 1 : 0;
+			this->packet_builder_fsk_9600_CC1101.execute(sliced_symbol);
+		}
+	};
+	PacketBuilder<BitPattern, NeverMatch, FixedLength> packet_builder_fsk_9600_CC1101 {
+		{ 0b01010110010110100101101001101010, 32, 1 },	// Manchester 0x1337
+		{ },
+		{ 10 * 8 },
+		[this](const baseband::Packet& packet) {
+			const TestAppPacketMessage message { packet };
+			shared_memory.application_queue.push(message);
+		}
+	};
+};
+
+#endif/*__PROC_TEST_H__*/
diff --git a/firmware/common/manchester.cpp b/firmware/common/manchester.cpp
index 8c02ad20..bc14c0c1 100644
--- a/firmware/common/manchester.cpp
+++ b/firmware/common/manchester.cpp
@@ -23,6 +23,10 @@
 
 #include "string_format.hpp"
 
+size_t ManchesterBase::symbols_count() const {
+	return packet.size() / 2;
+}
+
 DecodedSymbol ManchesterDecoder::operator[](const size_t index) const {
 	const size_t encoded_index = index * 2;
 	if( (encoded_index + 1) < packet.size() ) {
@@ -34,12 +38,19 @@ DecodedSymbol ManchesterDecoder::operator[](const size_t index) const {
 	}
 }
 
-size_t ManchesterDecoder::symbols_count() const {
-	return packet.size() / 2;
+DecodedSymbol BiphaseMDecoder::operator[](const size_t index) const {
+	const size_t encoded_index = index * 2;
+	if( (encoded_index + 1) < packet.size() ) {
+		const auto value = packet[encoded_index + 0] != packet[encoded_index + 1];
+		const uint_fast8_t error = encoded_index ? (packet[encoded_index - 1] == packet[encoded_index + 0]) : 0;
+		return { value, error };
+	} else {
+		return { 0, 1 };
+	}
 }
 
 FormattedSymbols format_symbols(
-	const ManchesterDecoder& decoder
+	const ManchesterBase& decoder
 ) {
 	const size_t payload_length_decoded = decoder.symbols_count();
 	const size_t payload_length_hex_characters = (payload_length_decoded + 3) / 4;
diff --git a/firmware/common/manchester.hpp b/firmware/common/manchester.hpp
index ca2f1e43..91bd1f19 100644
--- a/firmware/common/manchester.hpp
+++ b/firmware/common/manchester.hpp
@@ -34,25 +34,39 @@ struct DecodedSymbol {
 	uint_fast8_t error;
 };
 
-class ManchesterDecoder {
+class ManchesterBase {
 public:
-	constexpr ManchesterDecoder(
+	constexpr ManchesterBase(
 		const baseband::Packet& packet,
 		const size_t sense = 0
 	) : packet { packet },
 		sense { sense }
 	{
 	}
+	
+	virtual DecodedSymbol operator[](const size_t index) const = 0;
 
-	DecodedSymbol operator[](const size_t index) const;
-
-	size_t symbols_count() const;
-
-private:
+	virtual size_t symbols_count() const;
+	
+	virtual ~ManchesterBase() { };
+	
+protected:
 	const baseband::Packet& packet;
 	const size_t sense;
 };
 
+class ManchesterDecoder : public ManchesterBase {
+public:
+	using ManchesterBase::ManchesterBase;
+	DecodedSymbol operator[](const size_t index) const;
+};
+
+class BiphaseMDecoder : public ManchesterBase {
+public:
+	using ManchesterBase::ManchesterBase;
+	DecodedSymbol operator[](const size_t index) const;
+};
+
 template<typename T>
 T operator|(const T& l, const DecodedSymbol& r) {
 	return l | r.value;
@@ -64,7 +78,7 @@ struct FormattedSymbols {
 };
 
 FormattedSymbols format_symbols(
-	const ManchesterDecoder& decoder
+	const ManchesterBase& decoder
 );
 
 void manchester_encode(uint8_t * dest, uint8_t * src, const size_t length, const size_t sense = 0);
diff --git a/firmware/common/message.hpp b/firmware/common/message.hpp
index ab23d14d..3fb4e898 100644
--- a/firmware/common/message.hpp
+++ b/firmware/common/message.hpp
@@ -97,6 +97,7 @@ public:
 		POCSAGPacket = 50,
 		ADSBFrame = 51,
 		AFSKData = 52,
+		TestAppPacket = 53,
 		
 		RequestSignal = 60,
 		FIFOData = 61,
@@ -390,6 +391,18 @@ public:
 	baseband::Packet packet;
 };
 
+class TestAppPacketMessage : public Message {
+public:
+	constexpr TestAppPacketMessage(
+		const baseband::Packet& packet
+	) : Message { ID::TestAppPacket },
+		packet { packet }
+	{
+	}
+
+	baseband::Packet packet;
+};
+
 class UpdateSpectrumMessage : public Message {
 public:
 	constexpr UpdateSpectrumMessage(
diff --git a/firmware/common/sonde_packet.cpp b/firmware/common/sonde_packet.cpp
index d4e1f097..5eba330c 100644
--- a/firmware/common/sonde_packet.cpp
+++ b/firmware/common/sonde_packet.cpp
@@ -21,8 +21,7 @@
  */
 
 #include "sonde_packet.hpp"
-
-//#include "crc.hpp"
+#include "string_format.hpp"
 
 namespace sonde {
 
@@ -42,15 +41,49 @@ Packet::Type Packet::type() const {
 	return type_;
 }
 
-SN Packet::serial_number() const {
+uint32_t Packet::GPS_altitude() const {
+	return (reader_.read(22 * 8, 32) / 1000) - 48;
+}
+
+float Packet::GPS_latitude() const {
+	return reader_.read(14 * 8, 32) / ((1ULL << 32) / 360.0);
+}
+
+float Packet::GPS_longitude() const {
+	return reader_.read(18 * 8, 32) / ((1ULL << 32) / 360.0);
+}
+
+uint32_t Packet::battery_voltage() const {
+	return (reader_.read(69 * 8, 8) + (reader_.read(70 * 8, 8) << 8)) * 1000 / 150;
+}
+
+std::string Packet::signature() const {
+	const auto header = reader_.read(0, 24);
+	
+	if (header == 0x649F20)
+		return "M10";
+	else if ((header == 0x648F20) || (header == 0x648F23))
+		return "M2K2";
+	else
+		return "0x" + symbols_formatted().data.substr(0, 6);
+}
+
+std::string Packet::serial_number() const {
 	if (type() == Type::M10) {
 		// See https://github.com/rs1729/RS/blob/master/m10/m10x.c line 606
-		return (reader_.read(2 * 8, 8) << 20) |
-			(reader_.read(0, 4) << 16) |
-			(reader_.read(4 * 8, 3) << 13) |
-			(reader_.read(4 * 8 + 3, 5) << 8) |
-			reader_.read(3 * 8, 8);
+		// Starting at byte #93: 00000000 11111111 22222222 33333333 44444444
+		//                           CCCC          AAAABBBB
+		//                                                  44444444 33333333
+		//                                                  DDDEEEEE EEEEEEEE
+		
+		return to_string_hex(reader_.read(93 * 8 + 16, 4), 1) +
+			to_string_dec_uint(reader_.read(93 * 8 + 20, 4), 2, '0') + " " +
+			to_string_hex(reader_.read(93 * 8 + 4, 4), 1) + " " +
+			to_string_dec_uint(reader_.read(93 * 8 + 24, 3), 1) +
+			to_string_dec_uint(reader_.read(93 * 8 + 27, 13), 4, '0');
+	
 	}
+	
 	return 0;
 }
 
diff --git a/firmware/common/sonde_packet.hpp b/firmware/common/sonde_packet.hpp
index 73612a0f..d9658a54 100644
--- a/firmware/common/sonde_packet.hpp
+++ b/firmware/common/sonde_packet.hpp
@@ -32,8 +32,6 @@
 
 namespace sonde {
 
-using SN = uint64_t;
-
 class Packet {
 public:
 	enum class Type : uint32_t {
@@ -42,8 +40,8 @@ public:
 	};
 
 	Packet(
-		const Type type,
-		const baseband::Packet& packet
+		const baseband::Packet& packet,
+		const Type type
 	) : packet_ { packet },
 		decoder_ { packet_ },
 		reader_ { decoder_ },
@@ -58,17 +56,22 @@ public:
 	Timestamp received_at() const;
 
 	Type type() const;
-	SN serial_number() const;
+	std::string serial_number() const;
+	uint32_t GPS_altitude() const;
+	float GPS_latitude() const;
+	float GPS_longitude() const;
+	std::string signature() const;
+	uint32_t battery_voltage() const;
 
 	FormattedSymbols symbols_formatted() const;
 
 	bool crc_ok() const;
 
 private:
-	using Reader = FieldReader<ManchesterDecoder, BitRemapNone>;
+	using Reader = FieldReader<BiphaseMDecoder, BitRemapNone>;
 
 	const baseband::Packet packet_;
-	const ManchesterDecoder decoder_;
+	const BiphaseMDecoder decoder_;
 	const Reader reader_;
 	const Type type_;
 
diff --git a/firmware/common/spi_image.hpp b/firmware/common/spi_image.hpp
index 036b3fd1..51ea0679 100644
--- a/firmware/common/spi_image.hpp
+++ b/firmware/common/spi_image.hpp
@@ -75,6 +75,7 @@ constexpr image_tag_t image_tag_sonde				{ 'P', 'S', 'O', 'N' };
 constexpr image_tag_t image_tag_tpms				{ 'P', 'T', 'P', 'M' };
 constexpr image_tag_t image_tag_wfm_audio			{ 'P', 'W', 'F', 'M' };
 constexpr image_tag_t image_tag_wideband_spectrum	{ 'P', 'S', 'P', 'E' };
+constexpr image_tag_t image_tag_test				{ 'P', 'T', 'S', 'T' };
 
 constexpr image_tag_t image_tag_adsb_tx				{ 'P', 'A', 'D', 'T' };
 constexpr image_tag_t image_tag_afsk				{ 'P', 'A', 'F', 'T' };
diff --git a/firmware/common/test_packet.cpp b/firmware/common/test_packet.cpp
new file mode 100644
index 00000000..86c2fb8a
--- /dev/null
+++ b/firmware/common/test_packet.cpp
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 Furrtek
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "test_packet.hpp"
+#include "string_format.hpp"
+
+namespace testapp {
+
+size_t Packet::length() const {
+	return decoder_.symbols_count();
+}
+
+bool Packet::is_valid() const {
+	return true;
+}
+
+Timestamp Packet::received_at() const {
+	return packet_.timestamp();
+}
+
+FormattedSymbols Packet::symbols_formatted() const {
+	return format_symbols(decoder_);
+}
+
+uint32_t Packet::value() const {
+	return reader_.read(3 * 8, 8);
+}
+
+uint32_t Packet::alt() const {
+	return reader_.read(1 * 8, 12) - 0xC00;
+}
+
+} /* namespace testapp */
diff --git a/firmware/common/test_packet.hpp b/firmware/common/test_packet.hpp
new file mode 100644
index 00000000..d4b23d7d
--- /dev/null
+++ b/firmware/common/test_packet.hpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2017 Furrtek
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __TEST_PACKET_H__
+#define __TEST_PACKET_H__
+
+#include <cstdint>
+#include <cstddef>
+
+#include "field_reader.hpp"
+#include "baseband_packet.hpp"
+#include "manchester.hpp"
+
+namespace testapp {
+
+class Packet {
+public:
+	Packet(
+		const baseband::Packet& packet
+	) : packet_ { packet },
+		decoder_ { packet_ },
+		reader_ { decoder_ }
+	{
+	}
+
+	size_t length() const;
+	
+	bool is_valid() const;
+
+	Timestamp received_at() const;
+
+	uint32_t value() const;
+	uint32_t alt() const;
+	/*std::string serial_number() const;
+	uint32_t GPS_altitude() const;
+	float GPS_latitude() const;
+	float GPS_longitude() const;
+	std::string signature() const;
+	uint32_t battery_voltage() const;*/
+
+	FormattedSymbols symbols_formatted() const;
+
+	//bool crc_ok() const;
+
+private:
+	using Reader = FieldReader<ManchesterDecoder, BitRemapNone>;
+
+	const baseband::Packet packet_;
+	const ManchesterDecoder decoder_;
+	const Reader reader_;
+};
+
+} /* namespace testapp */
+
+#endif/*__TEST_PACKET_H__*/
diff --git a/firmware/portapack-h1-havoc.bin b/firmware/portapack-h1-havoc.bin
index fc5a836c..7a04171e 100644
Binary files a/firmware/portapack-h1-havoc.bin and b/firmware/portapack-h1-havoc.bin differ