Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1SJF callsign genealogy
Currently held by Fitzpatrick, Samuel 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 W1SJF's current licensee, walking backwards.
- Fitzpatrick, Samuel JNHgranted 2008-02-12cancelled 2008-03-01
Successor callsigns
Callsigns held now by people who previously held W1SJF.
No current licensee on record previously held this callsign.