Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7BYK callsign genealogy
Currently held by MERTZ, CONRAD J
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 K7BYK's current licensee, walking backwards.
- WOOLLEY, THOMAS ANVgranted 2021-07-08cancelled 2021-07-30
Successor callsigns
Callsigns held now by people who previously held K7BYK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7BYK, oldest first.
- MERTZ, CONRAD J ID1997-08-05 → cancelled 2009-08-06
- WOOLLEY, THOMAS A NV2021-07-30 active