>Heck, that's easy- just CW modulate the transmitted signal with your ID
>in morse code. Takes some time away from your scanning, but otherwise,
>it's no problem.

Or use it in the chirp. There used to be a marine beacon transponder unit
that did this to identify itself on a marine radar screen. I never actually
saw the display, but understand that you got this line of dots and dashes on
the PPI with the closest point being where the beacon was situated.

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