Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1VCZ callsign genealogy
Currently held by Mawhinney, Kenneth 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 K1VCZ's current licensee, walking backwards.
- Mawhinney, Kenneth AMAgranted 2019-08-19cancelled 2019-09-28
Successor callsigns
Callsigns held now by people who previously held K1VCZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1VCZ, oldest first.
- BISHOP, HAROLD F ME1987-10-06 → cancelled 1999-10-07
- Mawhinney, Kenneth A MA2019-09-28 active