Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6ZZB callsign genealogy
Currently held by GARRISON, CHESTER S
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 W6ZZB's current licensee, walking backwards.
- Hering, Donald FFLgranted 2024-03-13cancelled 2025-08-29
Successor callsigns
Callsigns held now by people who previously held W6ZZB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6ZZB, oldest first.
- GARRISON, CHESTER S CA1988-09-06 → cancelled 2000-09-07
- Hering, Donald F FL2025-08-29 active