Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5WPO callsign genealogy
Currently held by DOBSON, WILLIAM 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 KB5WPO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB5WPO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5WPO, oldest first.
- DOBSON, WILLIAM D TX2014-01-31 → cancelled 2026-03-17
- DOBSON, WILLIAM D— → cancelled 1999-02-10