VARA is a High Speed HF modem based on OFDM modulation. VARA Modem, brings  state of the  art Military  grade technology to  new  and  existing HF data.

Introduces a new  standard of technology available for Amateur and  Commercial use. Designed for operation within a SSB Bandwidth of 2400 Hz.

VARA (600 x 186)

Providing uncompressed User Data Rate to 5629 bps at a low  (S/N 14.5 dB @ 4kHz)


37,5 bps Symbol Rate with 52 carriers



  VARA HF Modem v1.0.0 (High Speed HF Modem)

  VARA Documentation  



3 Responses to “VARA HF Modem”

  1. Peter Martinsen Says:

    VARA 7050 for a few hours (Gateway) de OZ1PMX Peter

  2. José Alberto Nieto Ros Says:

    you are right, Luis

  3. Luís Garcia Filipe Says:

    Alberto, is a new moden for winlink, correct? 73 CT7AEL

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