Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8MSP callsign genealogy
Currently held by Butler, Les S
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 W8MSP's current licensee, walking backwards.
- BUTLER, LES SMIgranted 1995-01-12cancelled 2004-01-06
Successor callsigns
Callsigns held now by people who previously held W8MSP.
No current licensee on record previously held this callsign.