Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7GFC callsign genealogy
Currently held by Maas, Andrew T
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 KK7GFC's current licensee, walking backwards.
- Maas, Andrew TAZgranted 2022-08-30
Successor callsigns
Callsigns held now by people who previously held KK7GFC.
- Maas, Andrew TAZgranted 2022-08-30