Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI7GF callsign genealogy
Currently held by Keech, Andrew M
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 AI7GF's current licensee, walking backwards.
- Keech, Andrew MAZgranted 2020-11-19cancelled 2021-03-22
Successor callsigns
Callsigns held now by people who previously held AI7GF.
- Keech, Andrew MAZgranted 2021-04-10