Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TRP callsign genealogy
Currently held by PASSEY, TERENCE R
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 K4TRP's current licensee, walking backwards.
- PASSEY, TERENCE RNCgranted 2002-03-26cancelled 2003-08-12
Successor callsigns
Callsigns held now by people who previously held K4TRP.
No current licensee on record previously held this callsign.