Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4MGP callsign genealogy
Currently held by TRASK, JOHN 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 KC4MGP's current licensee, walking backwards.
- Trask, John DVAgranted 2022-11-30cancelled 2022-12-20
Successor callsigns
Callsigns held now by people who previously held KC4MGP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4MGP, oldest first.
- TRASK, JOHN D NC1989-09-05 → cancelled 2001-09-06
- Trask, John D VA2022-12-20 active