Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1PJM callsign genealogy
Currently held by Mc Mahon, Paul J
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 K1PJM's current licensee, walking backwards.
- MC MAHON, PAUL JVTgranted 2004-12-16cancelled 2005-05-13
Successor callsigns
Callsigns held now by people who previously held K1PJM.
No current licensee on record previously held this callsign.