Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7PZ callsign genealogy
Currently held by FRYLING, JOHN 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 KC7PZ's current licensee, walking backwards.
- FRYLING, JOHN CAZgranted 2025-12-30
Successor callsigns
Callsigns held now by people who previously held KC7PZ.
All historical holders
Every license row we've seen with the callsign KC7PZ, oldest first.
- FRYLING, JOHN C WA2008-04-03 → cancelled 2016-11-26
- FRYLING, JOHN C AZ2025-02-14 → cancelled 2025-12-30