Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WM4C callsign genealogy
Currently held by MULLING, PAUL 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 WM4C's current licensee, walking backwards.
- Reinwein, Martin GFLgranted 2013-09-26cancelled 2014-04-01
Successor callsigns
Callsigns held now by people who previously held WM4C.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WM4C, oldest first.
- MULLING, PAUL R FL2002-03-12 → cancelled 2014-03-14
- Reinwein, Martin G FL2024-04-05 active