| Post 16 made on Tuesday July 31, 2018 at 14:37 |
buzz Super Member |
Joined:
Posts: | May 2003
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Pure speculation on my part, but some "toners" might be digital based or use a characteristic carrier. This can be used to prevent false positives, however, if one is using a receiver that expects some sort of signature to validate the signal, this receiver might not respond to a generic "tone".
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