Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3FQX callsign genealogy
Currently held by CROOKS, THOMAS J
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 KA3FQX's current licensee, walking backwards.
- Crooks, Thomas JMEgranted 2018-10-15cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held KA3FQX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA3FQX, oldest first.
- CROOKS, THOMAS J WV1992-08-11 → cancelled 2004-08-12
- Crooks, Thomas J ME2018-11-06 active