Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1TRP callsign genealogy
Currently held by MARTIN, PERSIS C
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 KA1TRP's current licensee, walking backwards.
- TINGLER, MATTHEW JNHgranted 2013-11-27cancelled 2017-08-04
Successor callsigns
Callsigns held now by people who previously held KA1TRP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1TRP, oldest first.
- MARTIN, PERSIS C NH2003-04-02 → cancelled 2015-06-30
- SCHULZ, MATTHEW J MO2017-08-04 active