Has anyone observed any actual HF frequency usage by the Civil Air Patrol recently? I know some may have frequencies in their notes and some may have channel designators. Let's share what we have and match them up.
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If you want digital-only, select p25. if there's a chance that there would be analog traffic on the same frequency you have to select mixed to be able to get both. Have to have the correct NAC code for P25, you should be able to set your analog receive to either CSQ or PL/DPL. I would not recommend CSQ because any noise could hold the receiver open and you won't hear any digital traffic in that case.
There are some nets that are running in digital, but not everything has a digital radio, so it's mostly analog. The repeaters and some equipment are mixed-mode, meaning the repeaters will do both - but not at the same time. Most pilots don't like using digital.