Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SPG callsign genealogy
Currently held by Gildea, Sean P
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 W1SPG's current licensee, walking backwards.
- Gildea, Sean PFLgranted 2018-06-06cancelled 2019-10-27
Successor callsigns
Callsigns held now by people who previously held W1SPG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1SPG, oldest first.
- Moy, Francis K MA2004-03-19 → cancelled 2016-06-18
- Gildea, Sean P FL2019-10-27 active