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Signal samples
adswill edited this page Oct 16, 2026
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Real recordings, shared by users, tagged by mode.
The library lives at files.on-air.dev. It holds IQ and audio recordings of real signals, shared by users and tagged by mode (for example #dvb-t2).
- Use a recording without owning a radio: Use the signal sample library.
- Upload your own: every file is checked and reviewed before it appears. Recordings of modes with little real-world testing are the most useful. Record with Record IQ (SigMF ticked) so the file carries its rate, frequency and format.
- Recordings open in OnAir through the IQ recording file source, in the Signal workbench, and in IQEngine.
Getting started
Using OnAir
Tools and guides (0.2.7)
- Band survey
- Message database
- Watchlists
- TV recorder
- Time machine
- Pass scheduler
- Plugin SDK
- Headless server
- All guides
Radios
Modes by group
- TV
- Broadcast radio
- Aviation
- Maritime
- Satellite & navigation
- Two-way radio
- Cellular & rail
- Pagers
- IoT & sensors
- Weather & science
- Amateur: digital
- Amateur: voice & packet
- HF utility
- General & tools
Tutorials
- DVB-T2 TV with a HackRF
- FM radio with RDS
- Aircraft with ADS-B and the map
- Ships with AIS
- DAB+ digital radio
- Weather satellite images
- HF digital: FT8 and WSPR
- Digital voice: DMR, D-STAR, P25
- Pagers: POCSAG and FLEX
- Time stations and the clock
- Record IQ, then the Signal workbench
- The signal sample library
- Control a rig with Hamlib
- Two receivers and the multi-decoder
Reference
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