Tim, AD4CJ gave a talk introducing a new use for the VARA HF protocol: the VarAC HF chat application created by by Irad Deutsch, 4Z1AC. The website for VarAC is: https://www.varac-hamradio.com and includes a list of features, the download for Windows, FAQs, user manuals and a community forum etc.
Tim then played a portion of the September 5th, 2022 Tonight @ 8 video from RSGB (Radio Society of Great Britain): Back to the keyboard! by Mike Richards, G4WNC. Mike gives an overview and examples of digital modes, required equipment and radio connections for keyboard QSOs and then walks through the features of VarAC and provides some operating tips for keyboard QSOs.
The complete video is well worth watching especially if you are new to digital modes: https://youtu.be/SC0UxNG2itE
or skip ahead to the section on VarAC with the embedded video below.
Presentation by Tom Delker (K1KY). Tom talks about the MTEARS network… the Middle Tennessee Emergency Amateur Repeater System. This is a set of 34 linked repeaters that span most of the state of Tennessee.
In this comprehensive video, Paul, WD9IOK gives you all the information you need to get involved in 6 meters and up (VHF and UHF) operations using SSB mode. There’s more than just FM to play with in the higher frequencies of ham radio!
For the February 2022 WCARES meeting, Tim, AD4CJ presents Maximize Your Signal Reception
Learn how to adjust your HF radio to maximize your signal reception. Tim delivers a presentation based on a PowerPoint stack that he put together back in 2016. It was good advice then and it’s good advice now!
00:53 Mechanics of Fine-tuning your radio 02:03 How to Fine-Tune Your Radio 03:14 How to Zero-Beat CW Signals 05:41 How to Accurately Tune a SSB Signal 09:50 Automatic gain control & RF gain 28:35 The use of preamps 29:23 Attenuators 36:45 Noise Reducer Circuits 39:16 Noise Blanker Circuits