Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3WMC callsign genealogy
Currently held by MC CARTY SR, WILLIAM R
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 K3WMC's current licensee, walking backwards.
- McCollum, William ETNgranted 2021-03-16cancelled 2025-03-21
Successor callsigns
Callsigns held now by people who previously held K3WMC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3WMC, oldest first.
- MC CARTY SR, WILLIAM R PA2009-10-08 → cancelled 2022-01-01
- McCollum, William E TN2025-03-21 active