Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4VOL callsign genealogy
Currently held by STUMBO, PAUL 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 KD4VOL's current licensee, walking backwards.
- WASHBURN, SCOTT ETNgranted 2014-08-05cancelled 2017-04-04
Successor callsigns
Callsigns held now by people who previously held KD4VOL.
- WASHBURN, SCOTT ETNgranted 2018-05-30cancelled 2019-04-19
All historical holders
Every license row we've seen with the callsign KD4VOL, oldest first.
- STUMBO, PAUL R KY1993-01-12 → cancelled 2005-01-13
- WASHBURN, SCOTT E TN2017-04-04 → cancelled 2018-05-30