If you aren’t taking notes here…….you’re wrong.
In the RTO Course we spend the bulk of our time on basic skill building- operator technique, antenna types and construction, planning and report formats for sending information rapidly and accurately. It’s a starting point, covering the basics in two days. With that said, one of the common questions I get is regarding the length of the reports when they’re sent. If interception is a concern, and it always is, how do we shorten this up or obscure it to the point of being useless to listen to? There’s a few answers to this question, including going high tech/more complicated/more expensive with equipment, more efficient antenna construction for directivity, and finally, creating a BREVMAT.
A Brevity Matrix, or BREVMAT, is a randomly generated series of codes that are commonly understood by your group and shorten the transmission. In the amateur radio world we use Q codes, and 10 codes are…
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Alpha Charlie Concepts 