Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7ZZ callsign genealogy
Currently held by MEIER, THOMAS C
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 K7ZZ's current licensee, walking backwards.
- MARSHALL, HAL GNMgranted 2020-10-30cancelled 2021-06-26
Successor callsigns
Callsigns held now by people who previously held K7ZZ.
- FISHER, RICHARD SAZgranted 2019-06-07
All historical holders
Every license row we've seen with the callsign K7ZZ, oldest first.
- MEIER, THOMAS C OR2006-09-21 → cancelled 2015-08-05
- FISHER, RICHARD S AZ2017-08-25 → cancelled 2019-06-07
- MARSHALL, HAL G NM2021-06-26 active