Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1CP callsign genealogy
Currently held by MATSON, PETER 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 KC1CP's current licensee, walking backwards.
- Poland, Jonathan CKSgranted 2015-04-30cancelled 2015-11-24
Successor callsigns
Callsigns held now by people who previously held KC1CP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC1CP, oldest first.
- MATSON, PETER C CT1996-11-04 → cancelled 2008-11-05
- Poland, Jonathan C DC2025-09-16 active