Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7JLO callsign genealogy
Currently held by CROSSEN, CHARLES R
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 KA7JLO's current licensee, walking backwards.
- Owrey, Jeffrey LORgranted 2019-05-29cancelled 2019-06-18
Successor callsigns
Callsigns held now by people who previously held KA7JLO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA7JLO, oldest first.
- CROSSEN, CHARLES R ID1997-01-15 → cancelled 2009-01-16
- Owrey, Jeffrey L OR2019-06-18 active