Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3BDO callsign genealogy
Currently held by FLYNN, JOHN 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 K3BDO's current licensee, walking backwards.
- POISEL, ROBERT JPAgranted 2003-03-25cancelled 2004-04-06
Successor callsigns
Callsigns held now by people who previously held K3BDO.
- Poisel, Robert JPAgranted 2010-06-19cancelled 2022-06-22
All historical holders
Every license row we've seen with the callsign K3BDO, oldest first.
- FLYNN, JOHN R PA1995-08-30 → cancelled 2004-02-14
- Poisel, Robert J PA2004-04-06 → cancelled 2010-06-19