VARA
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What is it?
VARA is a family of two software modems written by EA5HVK
Summary
The VARA family of software modems has two versions, VARA primarily designed for HF with a top transfer speed of ~8.5Kbps in a spectral bandwidth of 2.75Khz and VARA FM which is primarily designed for VHF with a top transfer speed of ~25Kbps in a spectral bandwidth of ~5Khz
The VARA software can be used for free with a speed limit of 10% of the top speeds available. For full speed operation a license must be purchased from EA5HVK, the software and license can be obtained at the link to his site below.
Related Links
The Author of VARA EA5HVK's Website
VARAC - A chat program that utilizes the VARA software modem