SatNOGS Network observations

Recordings, waterfalls and decoded data from hundreds of volunteer ground stations. The best way to see what a pass actually sounds and looks like before you try one.

Source: https://network.satnogs.org/api/observations/?satellite__norad_cat_id=27607
Access: Public read. Scheduling observations needs an account.
Format: JSON (REST)

Schema

Field	Type	Note
id	int
start, end	ISO 8601	Pass window used
ground_station, station_name, station_lat, station_lng	mixed
transmitter	uuid	Joins to SatNOGS DB transmitters
status	enum	good, bad, failed, unknown
vetted_status, vetted_user	mixed	Human judgement of the result
waterfall	URL	PNG spectrogram of the whole pass
payload	URL	OGG audio recording
demoddata[]	URL[]	Decoded frames, if any
rise_azimuth, set_azimuth, max_altitude	deg

Example

[{"id":10930211,"start":"2026-09-18T14:02:11Z","end":"2026-09-18T14:12:47Z",
  "norad_cat_id":27607,"status":"good","vetted_status":"good",
  "waterfall":"https://network.satnogs.org/media/.../waterfall.png",
  "payload":"https://network.satnogs.org/media/.../audio.ogg",
  "max_altitude":61.3,"rise_azimuth":198.0,"set_azimuth":355.2, ...}]

Gotchas

Waterfalls show Doppler as a curved trace: that S-shape is what you will be chasing with the tuning knob.
Most stations receive only. FM repeater audio in recordings is other hams talking.