Vara hf. The creator of VARA is EA5HVK. zip 9/12/2025 11:21 AM 328275 VARA Terminal v1. zip 1/7/2026 3:58 PM 2345825 VARA SAT v4. Published documentation of the VARA specifications does not keep up with the software releases It’s difficult to compare performance Very roughly, for very strong signals, VARA FM Narrow is 18 times faster than packet. 25. 25 and sends that information to your APRS client. Therefore, I would like to ask whether there is a regular data link on HF between the United States and Europe so that selected bulletins and personal messages can be exchanged. zip Aug 1, 2025 · VARA HF is a soundcard modem like ARDOP that can be commonly found on the HF bands exchanging traffic (Winlink). To avoid 7060, which is now a voice segment. 01 here. wia. Learn about its frequencies, modes, speeds, modulation, and creator. 5 days ago · I am having issues with my Digirig setup using Winlink Express and VARA HF. Learn about the latest versions, features, and updates of VARA FM and VARA HF for Winlink users. zip 1/7/2026 3:58 PM 4511767 VARA HF v4. Find out how to register, configure, and operate VARA HF with different rigs, filters, gateways, and applications. Introduces a new standard of technolo… Various performance enhancements. 2. But it can be used with some Ham rigs, mainly with the Icom IC-7300. It's very important all the sysops run VARA HF v4. org. 3 can be released for all the users. My Digirig is working fine on all other modes. au/members/tac/consultation/documents/WIA%20Australi). org/content/vara_prod… VARA Products, including VARA HF, VARA FM, VARA Chat, VARA Sat, and VARA Terminal, are now hosted on the Winlink Servers for distribution. 4. VARA FM callsign sign display displays station IDs currently using the channel New Ping feature showing VU readings and Signal to Noise Ratios *** NOTE*** Version 4. Mar 22, 2021 · A new VARA HF v4. Aug 1, 2025 · VARA HF is a soundcard mode for exchanging traffic on the HF bands. VARA HF is a high performance HF modem for digital communication over amateur radio. VarAC is a FREE, modern HF P2P real-time chatting and emergency communication (EmComm) application for amateur radio operators, leveraging the VARA protocol. 1 VARA is a a half‐duplex ARQ system designed to have maximum efficiency over HF channels, fully compatible with all HF path conditions. [To Parent Directory] 2/14/2026 7:54 AM 758564 VARA Chat v1. Speeds: Sep 3, 2017 · VARA is a High Performance HF modem based on OFDM modulation. Inside Winlink Express, I configure the radio as a Kenwood transceiver using CAT control over the Bluetooth COM port. 9. My Digirig works fine with the setup using FLDIGI and other modes. Transition to the new version should be managed locally. I have a Digirig Mobile and an ICOM M803. winlink. 01 is NOT compatible with previous VARA FM releases. zip 1/31/2026 2:27 PM 6318275 VARA FM v4. . VARA HF Tactical was designed for the Army Forces and other professional EMCOMM organizations which use Tactical HF Rigs for the operations. 0 Project Target Objectives: 2. VARA Modem, brings state of the art Military grade technology to new and existing HF data. Mar 1, 2026 · VK2SKY VARA HF gateway QSY to 7057 kHz (dial) Submitted by VK2SKY on Sun, 2026-03-01 23:26 Frequency change due to updated Australian Band Plan (https://www. I am getting good CAT control through the serial line through Digirig I am getting Audio into the VARA HF modem via Digirig I tested the cable using Denis 5 days ago · Best driver choice for Drirewolf HFsharing with Vara HF 1 - 9 of 9 1 Mar 1, 2026 · Recently, interest in packet radio has been growing again. Likewise, VaraHF listens for ODFM transmissions over the air, picks up those packets, converts it back to AX. 3, which will be described in due course. 2 in order to VARA HF v4. Free version of VARA HF only allows transfers up to ~180 bps, where as the paid version (70 USD) can allow transfers up to a max theoretical speed of ~8490 bps. Download version 4. This version ensures compatibility with the changes projected in the future v4. 2 is already available for downloading. Very roughly, for very strong signals, VARA HF 2300 is 5 times faster than ARDOP/Winmor VARA HF MODES VARA HF has three operation modes: VARA HF Narrow (500Hz), VARA HF Standard (2300Hz) and VARA HF Tactical (2750Hz). 3 setup. Learn how to use VARA HF with Winlink, APRS, chat, terminal and more, and see videos, guides and documentation. 2 Bandwidth: VARA is designed for operation within a SSB bandwith of 2. 4 Khz. Learn how to use VARA HF, a digital mode for amateur radio, with this quick guide. However, this is with the VARA-HF and VARA-FM protocols, but still AX. 1 day ago · Next, I configure VARA HF using the Bluetooth microphone and headphone devices provided by the LiNK500MP Mk2. 2 setup. VarAC is used by more than 90,000 amateur radio operators in over 100 countries. 0 setup. 2. 5 setup. 25 APRS packet to VaraHF, Vara then converts the packet into a OFDM transmission, queues the radio and broadcasts. We would like to show you a description here but the site won’t allow us. Feb 8, 2024 · The client sends the commonly used AX. VARA is a soundcard modem protocol for amateur radio digital communications over HF and VHF bands. fdbhdw ijnkn hfyo quzuf xekd shi urj cvjsb ynggdp sffsz