VarAC is a FREE, modern HF P2P real-time chatting and emergency communication (EmComm) application for amateur radio operators, leveraging the VARA protocol. VarAC is used by more than …

VarAC is a FREE, modern HF P2P real-time chatting application for the amateur radio operator that leverages the glorious VARA protocol

This short guide will help to make your first steps in the VarAC world and conduct your first successful QSO using VarAC while highlighting the "must-know" features.

Does VarAC keep track of all QSOs? Yes. VarAC records all QSOs in an ADIF file. In addition VarAC can send UDP/TCP broadcasts of QSO entries to most of the leading QSO loggers out there. Click …

Oct 10, 2025 · This is where you can submit a feature request, report a bug, see what is currently in development, talk to other VarAC users and even schedule a QSO.

Nov 15, 2021 · Please note : These manual were written by brave VarAC users who wanted to contribute to the VarAC community. They may not be up to date... but they are super helpful! I want …

With VarAC, all EmComm operators can tune in to a single frequency. Leveraging VarAC's slot-based technology, multiple links can occur simultaneously, and VarAC automatically controls your VFO for …

Jul 6, 2025 · Now, let’s talk about the VarAC Cluster, one of the most powerful features in the VarAC architecture. A VarAC Cluster consists of multiple VarAC instances operating simultaneously on …

Oct 10, 2022 · This page has been moved to HERE.

Download VarAC ZIP Package for Linux/Windows/Mac/Pi Please fill this Download form. A quick start guide will be sent to your email address. By submitting your email, you permit its use for VarAC news …