Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SPF callsign genealogy
Currently held by GAITTENS, JOHN M
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 W7SPF's current licensee, walking backwards.
- Farrell, Sean PWAgranted 2019-03-27cancelled 2019-04-16
Successor callsigns
Callsigns held now by people who previously held W7SPF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7SPF, oldest first.
- GAITTENS, JOHN M OR1994-01-18 → cancelled 2006-01-19
- Farrell, Sean P WA2019-04-16 active