Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1PMR callsign genealogy
Currently held by CHEN, JOHN T
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 K1PMR's current licensee, walking backwards.
- Martin, PeterNJgranted 2022-11-01cancelled 2026-02-20
Successor callsigns
Callsigns held now by people who previously held K1PMR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1PMR, oldest first.
- CHEN, JOHN T ME1997-07-31 → cancelled 2009-08-01
- Martin, Peter NJ2026-02-20 active