Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KL7KQ callsign genealogy
Currently held by CROFFUT, DOUGLAS 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 KL7KQ'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 KL7KQ.
- CROFFUT, DOUGLAS FWAgranted 2020-06-01