Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6CPG callsign genealogy
Currently held by GEREFFI, COLEN P
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 K6CPG's current licensee, walking backwards.
- GEREFFI, COLEN PCAgranted 2009-03-06cancelled 2009-03-24
Successor callsigns
Callsigns held now by people who previously held K6CPG.
No current licensee on record previously held this callsign.