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  1. 1.0 Overview: VARA HF Modem is a propietary system developed by Jose Alberto Nieto Ros EA5HVK and can be used under shareware license.

  2. VARA HF digital mode for Winlink - QRZ Forums

    Feb 18, 2018 · 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.

  3. Winter Field Day Winlink with the Xiegu G90 | QRZ Forums

    Jan 28, 2025 · I will also share my thoughts on the VARA modem. I truly wish it was an open-source or cross-platform application. I am not a fan of Windows, but unfortunately, VARA modem is only …

  4. VARA HF digital mode for Winlink | Page 3 | QRZ Forums

    Feb 18, 2018 · KA0HCP XML Subscriber QRZ Page After downloading the VARA program my understanding of it is: -VARA is a software modem engine -It uses RMS Express (now Winlink …

  5. ARDOP/Winlink - Free and easy email on your HF radio!

    Nov 8, 2023 · The ARDOP protocol/modem is ideal for HF bands and a viable alternative to VARA/HF or PACTOR, plus it's open source and free, advancing the art of amateur radio.

  6. FreeDV aims to bring open-source HF digital voice into the mainstream

    Mar 7, 2023 · Continue development of a suite of advanced, open-source u2028HF modems, with the goal of making FreeDV’s digital performance comparable to VARA at both low and high signal-noise …

  7. HF APRS & HF Winlink come to ANDROID devices - QRZ Forums

    Sep 29, 2023 · HF APRS & HF Winlink come to ANDROID devices Discussion in ' Amateur Radio News ' started by OH8STN, Sep 29, 2023.

  8. DigiPi APRS/winlink/node Step-by-Step build - QRZ Forums

    May 4, 2021 · We'll use a Raspberry Pi ZeroW, an FE-PI AudioZ audio board, and an Adafruit 1.3" tft display to create a full featured packet radio controller/TNC. This video will cover the hardware side …

  9. WSPR - An Introduction for Beginners - QRZ Forums

    Jan 7, 2022 · Nice video and introduction in WSPR. The software itself isnt hardware hungry. So its possible to use an old packet-radio modem with 1200 Baud. The software got in the configuration the …

  10. WSJT-X FT8 Yaesu FT-891 Data & CAT Conttol tutorial - QRZ Forums

    May 10, 2018 · WSJT-X FT8 Yaesu FT-891 Data & CAT Conttol tutorial Discussion in ' Amateur Radio News ' started by OH8STN, May 10, 2018.