Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K0PNN callsign genealogy
Currently held by Penn, Clarence A
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 K0PNN's current licensee, walking backwards.
- Penn, Clarence AMOgranted 2016-05-24cancelled 2016-06-14
Successor callsigns
Callsigns held now by people who previously held K0PNN.
No current licensee on record previously held this callsign.