Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI7DGR callsign genealogy
Currently held by Muller, Stephen
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 KI7DGR'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 KI7DGR.
- Muller, StephenORgranted 2018-05-15cancelled 2022-05-24