Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6FRG callsign genealogy
Currently held by Van Groos, John W
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 KM6FRG'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 KM6FRG.
- Van Groos, John WCAgranted 2016-11-01