[aprssig] New VARA-HF Softmodem A Spectacular Improvement For HF APRS

Greg Troxel gdt at lexort.com
Mon Jan 9 10:35:01 EST 2023

Jess Haas <k5lli at jesshaas.com> writes:

> That is great news. Sadly I feel like the proprietary windows only nature
> of a lot of these modes is why they never really take off as much as they
> should.

Is there a published protocol specification for VARA-HF?  I searched
quickly and did not find one.

Assuming it were specified or understood, are there legal barriers to an
open source implementation?

73 de n1dam

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