Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6ASP callsign genealogy
Currently held by Butler Jr, Preston 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 W6ASP's current licensee, walking backwards.
- Butler Jr, Preston DCAgranted 2001-10-17cancelled 2002-05-11
Successor callsigns
Callsigns held now by people who previously held W6ASP.
No current licensee on record previously held this callsign.