Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4PM callsign genealogy
Currently held by WALLACE, RICHARD D
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 K4PM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K4PM.
- MUELLER, PAUL MSDgranted 2019-09-17
All historical holders
Every license row we've seen with the callsign K4PM, oldest first.
- MUELLER, PAUL M GA1996-11-04 → cancelled 1999-11-23
- WALLACE, RICHARD D SC2022-04-13 active