Confidence: Medium · Source: FCC ULS · As of 2026-09-16
W3JXO callsign genealogy
Currently held by Cochran, James 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 W3JXO's current licensee, walking backwards.
- Cochran, James RAZgranted 2005-06-27cancelled 2009-08-14
Successor callsigns
Callsigns held now by people who previously held W3JXO.
- COCHRAN, JOHN MPAgranted 2014-04-16cancelled 2026-06-30
All historical holders
Every license row we've seen with the callsign W3JXO, oldest first.
- COCHRAN, JOHN M PA2004-04-17 → cancelled 2004-06-29
- Cochran, James R AZ2009-08-14 → cancelled 2021-08-17