New VARA HF released 4-3-0
New for 2021 , additional 2750 Hz bandwidth mode added to the VARA family
utilising available bandwidth, maximum rate is increased to 8489 Bps in 2750 Hz
centered on 1500 Hz mid point tone.
The Modem architecture , being optimised to maximise the available bandwidth
with new carrier number's / bps rate combinations, all the facilities of the VARA
system are maintained , monitor , chat module, bps , and winlink connectivity.
Note the level numbers are, then, not directly related
Compatibility with existing installations is maintained , by automatic
mode detection , as per existing 2300 <>500 mode switching .
Rig compatibility , ic7300 may be directly set to the required b/w, where as the ic7100 , requires the use of the SSB voice
non standard bandwidth settings of 100 Hz <> 2900 Hz , further details are contained in the pdf documentation