Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0PKO callsign genealogy
Currently held by ALTON II, CLARENCE M
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 K0PKO's current licensee, walking backwards.
- ALTON II, CLARENCE MKSgranted 2014-07-30cancelled 2015-04-11
Successor callsigns
Callsigns held now by people who previously held K0PKO.
No current licensee on record previously held this callsign.