Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4CMY callsign genealogy
Currently held by MOORE SR, THOMAS A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by WA4CMY's current licensee, walking backwards.
- Moore, Chad SNCgranted 2020-10-01cancelled 2022-08-09
Successor callsigns
Callsigns held now by people who previously held WA4CMY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4CMY, oldest first.
- MOORE SR, THOMAS A NC1997-02-11 → cancelled 2009-02-12
- Moore, Chad S NC2022-08-09 active