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
• M17 - New digital voice and data protocol
• FreeDV - Free Digital Voice

Mode selections on the Receiver Panel
Yellow FM text indicates FM mode is selected.

Digital Mode Selections

• BPSK-31 - PSK at 31 baud
• BPSK-63 - PSK at 63 baud
• RTTY-170 (45)
• RTTY-450 (50N)
• RTTY-85 (50N)
• SITOR-B
• NAVTEX - Maritime Safety Broadcasts
• DSC - Digital Selective Calling (Maritime Distress Alerting)
• FT8 - 4-GFSK
• FT4 - 4-GFSK
• JT65 - 65-tone FSK
• JT9 - 9-tone FSK
• WSPR - Weak Signal Propagation Reporter
• FST4 - 4-GFSK
• FST4W - 4-GFSK
• Q65 - 65-tone FSK
• JS8Call - JS8 Digital Mode messaging
• Packet - PSK at 1200 baud
• AIS - Automatic Identification System
• Page - Pagers
• CW Decoder - Morse code decoder
• SSTV - Slow-Scan TV
• FAX - Facsimile
• SelCall - Selective Calling
• Zvei - Selcall defined by the Zvei (German) Standard
• EAS - Emergency Alert System
• ISM - Industrial, Scientific and Medical
• HFDL - HF Data Link
• VDL2 - VHF Data Link
• ACARS - Aircraft Communications Addressing and Reporting System
• ADSB - Automatic Surveillance Dependent Broadcast

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.