eolas/zk/Calling_CQ.md

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tags
radio
ham-study

The term "calling CQ" means making contact with other amateur radio operators. There is an established protocol for doing this. Below is the convention for 2m communications (VHF):

  1. Tune to the calling frequency for the band. For VHF this is 145.500 MHz.
  2. Check that the calling frequency is not currently in use.
  3. If free, call for a specific call sign, or, for general contact call "CQ".
  4. Once you have found someone, find another free frequency (not the CQ frequency) and ask/check that it is not in use.
  5. If it is free, return to the calling frequency and direct your contact to the new frequency.

Each of the main frequencies on the band plan will specify a "center of activity". This is where to start listening of contacts for the frequency when establishing CQ.