Batteries for portable Amateur Radio use
I’ve used everything from car batteries, Sealed Lead Acid Batteries (SLAB), standard AA’s, Lithium Polymer (LiPo) and Lithium Iron Phosphate Batteries (LiFePo). M0JCQ's Ham Blog
Can you ID this mystery digital signal?
I noted beeps at Hz repetition rate, does not appear to be data, it beeps for about a minute then there is a short data burst then beeping again for a minute or two. The SWLing Post
VHF Transmitter key-up analysis
Based on what I learned about this radio, I won't be operating it at the high power level due to the frequency drift. W2AEW