Audio Mode Selections
- FM - Narrowband Frequency Modulation
- WFM - Wideband Frequency Modulation
- AM - Amplitude Modulation
- LSB - Lower Sideband (AM)
- USB - Upper Sideband (AM)
- CW - Morse Code
- SAM - Synchronous Amplitude Modulation
- DATA - New digital voice and data protocol
- DRM - Digital Radio Mondiale
- DAB - Digital Audio Broadcasting (European Digital Radio Broadcast Standard)
- HDR - HDRadio (Digital FM Radio Standard in the USA)
Mode selections on the Receiver Panel
Yellow FM text indicates FM mode is selected.
Digital Mode Selections
- ACARS - Aircraft Communications Addressing and Reporting System
- ADSB - Automatic Surveillance Dependent Broadcast (Aeronautical)
- AIS - Automatic Identification System (Maritime)
- BPSK-31 - PSK at 31 baud
- BPSK-63 - PSK at 63 baud
- CW Decoder - Morse code decoder
- CW Skimmer - Requires installation of the CSDR Skimmer package (not installed)
- DSC - Digital Selective Calling (Maritime Distress Alerting)
- EAS - Emergency Alert System
- FAX - Facsimile
- FST4 - 4-GFSK
- FST4W - 4-GFSK
- FT4 - 4-GFSK
- FT8 - 4-GFSK
- HFDL - HF Data Link
- ISM - Industrial, Scientific and Medical
- JS8Call - JS8 Digital Mode messaging
- JT65 - 65-tone FSK
- JT9 - 9-tone FSK
- LoRa APRS
- LoRa FANET
- LoRa WAN
- MeshCom
- Meshcore
- Meshtastic
- NAVTEX - Maritime Safety Broadcasts
- Packet - PSK at 1200 baud
- Page - Pagers
- Q65 - 65-tone FSK
- RTTY Skimmer -
- RTTY 170 (45) -
- RTTY 450 (50N) -
- RTTY 85 (50N) -
- Selcall - Squelch Protocol
- SITOR-B - Message broadcast linksSonde DFM17 - Radiosonde, common in USA
- Sonde DFM9 - Radiosonde, succeeded by DFM17
- Sonde M10 - Radiosonde, compact
- Sonde M20 - Radiosonde
- Sonde MTS01 - Radiosonde
- Sonde RS41 - Radiosonde
- SSTV - Slow Scan TeleVision
- UAT - Universal Access Transceiver (Aeronautical)
- VDL2 - VHF Data Link (Aeronautical)
- WMBus - Wireless Metering Bus, a European Standard
- WSPR - Weak Signal Propagation Reporter
- Zvei - Selcall defined by the Zvei (German) Standard
More Digital Mode Information
ⓘ OpenWebRX+ Digital Modes
The digital modes drop-down list appears when clicking the dropdown menu box. Clicking the "DIG" button will toggle digital modes on or off. Not all of these are actually available due to antenna and receiver limitations. 