PSK31 terminal with improved accessibility features.
RTTY DECODING WINDOWS
HRD is designed for Windows 2000 or higher (XP, Vista), also Internet Explorer 6.0 or higher is required. HRD also includes mapping and PSK31 software. Just getting them to transmit it is a massive hack and probably outside the specification. Ham Radio Deluxe (HRD) is a suite of Windows programs providing CAT control for commonly used transceivers and receivers. Side note: None of these modules were ever design to transmit RTTY in the first place. I suggest to stick with SDR to decode RTTY. Result here is a signal that no other RTTY decoder will recognize.įurthermore, frequency drift and error of these cheap radio modules would make tuning very hard.
This requires shift of 20 kHz or more and very low RTTY speed (10 baud or less).
You can then move on to something more interesting -).
Setting frequency shift of the RTTY transmitter so high the RSSI measurement is influenced only by one of the transmitted frequencies (either mark or space). MultiMode doesnt decode KG-84 of course, but will tell you thats what it is. Somehow exploit continuous transmission mode - don't know how. 
Measure RSSI in extremely narrow band - cannot be achieved by none of the above listed modules. BOTH FLDIGI AND TRUTTY CAN BE USED TO DECODE THE RTTY SENT BY THE ABOVE. The reason for that is the following: RTTY is implemented by directly manipulating the output frequency of the radio module while transmitting. using an external modem, such as a Kantronics KAM or Timewave PK232, or the RTTY decoder in a transceiver like the Elecraft K3. RTTY IS STILL POPULAR AND HEARD ON THE AMATEUR RADIO BANDS ON A VERY REGULAR. RTTY decoding is not implemented and most likely won't be on any of the modules that currently support RTTY (SX127x, SX126x, RFM9x, RF69, CC1101 and nRF24).
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