Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7P callsign genealogy
Currently held by THOMSEN, JOHN H
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 KF7P's current licensee, walking backwards.
- PERRI, CHRISTIAN SUTgranted 2005-12-23cancelled 2006-11-21
Successor callsigns
Callsigns held now by people who previously held KF7P.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF7P, oldest first.
- THOMSEN, JOHN H WA1994-10-31 → cancelled 2006-11-01
- PERRI, CHRISTIAN S UT2016-08-31 active