Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD9SPB callsign genealogy
Currently held by BUTLER, STEPHEN P
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 WD9SPB's current licensee, walking backwards.
- Butler, Stephen PINgranted 2002-08-28cancelled 2003-09-26
Successor callsigns
Callsigns held now by people who previously held WD9SPB.
No current licensee on record previously held this callsign.