Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4GMK callsign genealogy
Currently held by Crone III, Robert F
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 KI4GMK'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 KI4GMK.
- CRONE III, ROBERT FGAgranted 2014-09-11cancelled 2026-08-29