Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JRO callsign genealogy
Currently held by VAUGHN, OYD H
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 W4JRO's current licensee, walking backwards.
- Overdorff, James RTNgranted 2011-11-10cancelled 2012-04-24
Successor callsigns
Callsigns held now by people who previously held W4JRO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4JRO, oldest first.
- VAUGHN, OYD H TX1996-02-22 → cancelled 2008-02-23
- Overdorff, James R TN2022-01-26 active