Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RFS callsign genealogy
Currently held by Dimitrov, Dennis A
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 K7RFS's current licensee, walking backwards.
- Dimitrov, Dennis AAZgranted 2020-10-16cancelled 2020-11-03
Successor callsigns
Callsigns held now by people who previously held K7RFS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7RFS, oldest first.
- SING JR, GEORGE W AZ2006-01-24 → cancelled 2018-04-18
- Dimitrov, Dennis A AZ2020-11-03 active