Aircraft Registration2:
Aircraft CN:
Aircraft Type3:
Aircraft Model:
Latest Packet:
Position Packet
Receive Time:
APRS via qAS,Portmoak
Signal to Noise Ratio5:
18.5 dB
Bits corrected6:
Frequency Offset:
-2.8 kHz
Latest Position7:
56.1923833333333, -3.33621666666667
Receive Time:
(Received in latest packet)
0 mph
328 ft
Climb Rate:
20 fpm
Turn Rate9:
0 rot
Latest symbol
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Nearby stations/objects:
Symbol  FLRDDA93A 25 yd
Symbol  UKPCS 149 yd
Symbol  FLRDDE434 157 yd
Symbol  FLRDDA93B 484 yd
Symbol  ICA405E09 881 yd
Symbol  FLRDDE3E7 884 yd
Symbol  FLRDD8793 954 yd
Symbol  FLRDDEC8D 956 yd
Symbol  FLRDD82EE 0.59 miles
Symbol  Portmoak 0.6 miles
Symbol  UNKNOWN1168748 0.65 miles
Symbol  UNKNOWN1164566 5.73 miles
Symbol  UNKNOWN1163975 6.38 miles
Symbol  UNKNOWN1164892 16.8 miles
Symbol  PerthAero 16.88 miles

  1. We receive all packets from the Open Glider Network. The goal of the Open Glider Network project is to create a unified platform for tracking aircraft equipped with FLARM and OGN trackers.
  2. Aircraft device details such as Registration, CN and Aircraft Model is collected from the OGN Devices DataBase. We will only display information that can be used to identify an aircraft if the aircraft device details exists in the OGN Devices DataBase, and if the setting "I don't want this device to be identified" is deactivated.
  3. We primarily get information about aircraft type from the OGN Devices DataBase, if the aircraft is not registered in the OGN Devices DataBase or if the aircraft does not want to be identified, the aircraft type indicated in the FLARM/OGN packet is displayed. We also adapt which symbol that is used based on the selected aircraft type.
  4. To get a better understanding of the APRS path I recommend reading the explanation written by wa8lmf.
  5. According to OGN, 4-5dB is about the limit of meaningful reception (but currently we still save packets with low SNR).
  6. According to OGN, it is recommended that you ignore packets that have a high CRC error rate (>5) as their information may be corrupt (but currently we still save packets with high CRC error rate).
  7. Position accordning to the Google geocoding service, based on the reported latitude and longitude (if we get no valid position from the Google gecoding service we will show the latitude and longitude).
  8. This is the Maidenhead Grid Square Locator, used by ham radio operators to specify a location (using few characters).
  9. 1rot is the standard aircraft rotation rate of 1 half-turn per minute (equal to 1.5° per second).
Initial position
Current position

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