Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS1P callsign genealogy
Currently held by Sullivan, Michael J
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 WS1P's current licensee, walking backwards.
- Sullivan, Michael JNHgranted 2006-10-16cancelled 2007-06-05
Successor callsigns
Callsigns held now by people who previously held WS1P.
- MASSE, GREGORY AAZgranted 1997-02-12cancelled 2007-02-13