Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0JMP callsign genealogy
Currently held by PLAYFORD, JAMES M
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 K0JMP's current licensee, walking backwards.
- Esler, Mark AMNgranted 2016-09-14cancelled 2024-10-04
Successor callsigns
Callsigns held now by people who previously held K0JMP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0JMP, oldest first.
- PLAYFORD, JAMES M KS2010-04-24 → cancelled 2022-07-15
- Esler, Mark A MN2024-10-04 active