Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6DWO callsign genealogy
Currently held by OHara, David W
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 KB6DWO's current licensee, walking backwards.
- O HARA, DAVID WCAgranted 2000-07-07cancelled 2005-08-19
Successor callsigns
Callsigns held now by people who previously held KB6DWO.