Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1GR callsign genealogy
Currently held by FILIPOV, MIKHAIL
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 AC1GR's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AC1GR.
- FILIPPOV, MIKHAILMAgranted 2019-02-20