Field guide
My life list
Birders keep a life list of every species they've seen. This is yours for radio: tap “I've heard this” on any signal page and it lights up here.
S0
0 of 78 signals heard
Morse, teletype and text
ContestiaNot yetDominoEXNot yetFSK HellNot yetFSQ (Fast Simple QSO)Not yetHellschreiber (Feld Hell)Not yetIFKPNot yetMFSK (MFSK16/32)Not yetMorse code (CW)Not yetMT63Not yetNAVTEX (maritime safety text)Not yetOliviaNot yetPSK31Not yetPSK63 / PSK125Not yetRadioteletype (RTTY)Not yetSCAMPNot yetThorNot yetThrobNot yet
Weak-signal digital (FT8 and friends)
Pictures
Voice
AM voiceNot yetD-STAR digital voiceNot yetDigital Radio Mondiale (DRM)Not yetDMR digital voiceNot yetFM broadcastNot yetFreeDV digital voiceNot yetM17 digital voiceNot yetNarrow FM voiceNot yetNXDN digital voiceNot yetP25 digital voiceNot yetSingle-sideband voice (SSB)Not yetSystem Fusion (C4FM) digital voiceNot yetTETRANot yet
Aircraft, ships and utility
Packet, paging and tones
APRS (position and messaging)Not yetDigital squelch code (DCS)Not yetMDC-1200 radio ID burstNot yetPacket radio (AX.25)Not yetPager signal (FLEX)Not yetPager signal (POCSAG)Not yetSelective calling tonesNot yetSub-audible tone (CTCSS / PL)Not yetTouch-tone (DTMF)Not yetTrunked-radio control channelNot yet
Satellites, radar and time
Sensors (433 / 868 / 915 MHz)
Interference and noise
More
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