Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MAV callsign genealogy
Currently held by GERRARD, CHARLES W
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 K1MAV's current licensee, walking backwards.
- Herzog Jr, Larry WWIgranted 2017-12-12cancelled 2018-01-03
Successor callsigns
Callsigns held now by people who previously held K1MAV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1MAV, oldest first.
- GERRARD, CHARLES W MA2005-01-28 → cancelled 2017-04-28
- Herzog Jr., Larry W ND2018-01-03 active