
VarAC.
HF/FM Digital Chat
Reinvented
For fun or for EmComm
by Irad Deutsch, 4Z1AC
IMPORTANT NOTE: VarAC requires VARA-HF V4.6.2 or higher
What is VarAC?
VarAC is a FREE, modern HF P2P real-time chatting application
for the amateur radio operator
that leverages the glorious VARA protocol
Calling QRGs (USB dial)
20m - 14.105 MHz (Primary - day time)
40m - 7.105 MHz (Primary - night time)
80m - 3.595 MHz
30m - 10.133 MHz
17m - 18.106 MHz
15m - 21.105 MHz
12m - 24.927 MHz
10m - 28.105 MHz
6m - 50.330 MHz
Amateur radio frequencies are for us all.
They are not mine nor yours. ITS OURS.
Please be respectful and monitor the frequency before transmitting


VarAC main features
CQ calls
Call CQ using the VARA protocol
"Is typing"
See if your partner is currently typing
Chat gestures
Having fun while chatting with sounds & emojis
RIG Control
Supporting CAT command, RTS/DTS & OmniRig
Frequency Monitor
Monitor the frequency for ongoing QSOs
Message queue
Type as many messages as you'd like
Realtime metrics
For best QSO performance monitoring
Automatic messages
Set preconfigured welcome & away messages
Canned messages
Create predefined messages (RIG, Info...)
500/2300Hz support
Select your desired QSO bandwidth
Beacons
Let other people know you are standing by
Speller
No more typos. Spell check as you type
Send files & images
Supporting binary files, text, Images and more
Seamless QSY
Move QSO up or down with a single mouse click
Auto QSO logging
Supporting ADIF format and popular QSO loggers
Customized look
Chose the colors/fonts you like. Use dark mode.
Great chat experience
Bringing the "cool" factor into HF/FM digital chats
![]() VarAC_Screenshot_DarkMode.jpg | ![]() VarAC_Screenshot_RegMode.jpg | ![]() VarAC_Screenshot_Settings.jpg |
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