Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6ZZB callsign genealogy
Currently held by RUSSELL, JOHN F
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 K6ZZB's current licensee, walking backwards.
- RUSSELL, JOHN FCAgranted 2006-05-16cancelled 2006-06-20
- KF6BEOno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K6ZZB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ZZB, oldest first.
- TOWNE, FRANK L OR1988-10-18 → cancelled 2000-10-19
- RUSSELL, JOHN F CA2016-07-26 active