Aircraft Registration2:
Aircraft CN:
Aircraft Type3:
Aircraft Model:
BK 117
Latest Packet:
Position Packet
Receive Time:
OGFLR via qAS,Guemligen
Signal to Noise Ratio5:
21.5 dB
Frequency Offset:
-9.6 kHz
Latest Position6:
46.8955833333333, 7.50453333333333
Receive Time:
(Received in latest packet)
107.02 mph
2464 ft
Climb Rate:
832 fpm
Turn Rate8:
0 rot
Latest symbol
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Nearby stations/objects:
Symbol  ICA4B2FD5 0.6 miles
Symbol  ICA4B4B8D 0.79 miles
Symbol  ICA4B5224 0.92 miles
Symbol  ICA4B4BBA 0.92 miles
Symbol  ICA4B508A 1.07 miles
Symbol  ICA4B1BF2 1.08 miles
Symbol  ICA4B521E 2.11 miles
Symbol  Tannacker 2.38 miles
Symbol  Melchenbu 2.83 miles
Symbol  Guemligen 3.15 miles
Symbol  LSZB 3.18 miles
Symbol  ICA4B5075 3.42 miles
Symbol  Bern3 4.54 miles
Symbol  Bern 5.27 miles
Symbol  FMT636740 11.51 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. 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).
  7. This is the Maidenhead Grid Square Locator, used by ham radio operators to specify a location (using few characters).
  8. 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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