Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2JDO callsign genealogy
Currently held by STILLWAGGON SR, ELBERT D
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 K2JDO's current licensee, walking backwards.
- OSSOWSKI, JOHN DNYgranted 2017-09-18cancelled 2017-10-14
Successor callsigns
Callsigns held now by people who previously held K2JDO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2JDO, oldest first.
- STILLWAGGON SR, ELBERT D NY1997-02-20 → cancelled 2009-02-21
- OSSOWSKI, JOHN D NY2017-10-14 active