Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KQ4FRV callsign genealogy
Currently held by Van Der Loos, Jan 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 KQ4FRV'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 KQ4FRV.
- Van Der Loos, Jan WFLgranted 2023-02-17cancelled 2023-03-21