Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0BAP callsign genealogy
Currently held by Elk County Radio Society
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 KD0BAP's current licensee, walking backwards.
- Petty, William AMOgranted 2010-12-14cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held KD0BAP.
- WX0EKactiveElk County Radio SocietyKSgranted 2021-08-05
All historical holders
Every license row we've seen with the callsign KD0BAP, oldest first.
- Elk County Radio Society KS2007-06-26 → cancelled 2011-08-02
- Petty, William A MO2020-05-12 active