Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CXM callsign genealogy
Currently held by McCoy, Caleb W
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 W4CXM's current licensee, walking backwards.
- McCoy, Caleb WSCgranted 2026-01-15cancelled 2026-02-03
Successor callsigns
Callsigns held now by people who previously held W4CXM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4CXM, oldest first.
- SNOOK JR, SAMUEL A FL2005-03-15 → cancelled 2017-03-16
- McCoy, Caleb W SC2026-02-03 active