* add image transfer to thor based on IFKP image processing
- supported by THOR-11, THOR-16 and THOR-22
- image modes are identical to IFKP images, fixed sizes
and avatar.
* Incremental Frequency Keyed + modem
- wide band, moderate speed differential MFSK signal
with offset +1.
- sample rate 16000
- symbol length 4096
- 33 tones spaced 3xSR/symlen apart approximately 398 Hz
bandwidth.
- multiple image transfer formats similar to FSQ
. Avatar (59x74 WxH pixel) image transfers
- tunable modem subcarrier (center freq)
. may be configured fixed at 1500 Hz or
. set to Psk sweet spot
- raw data received written to audit log - if enabled
- heard list entries written to heard log - if enbled
- assigned fldigi secondary RSID code, (56, 1171)
David Freese