Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4PGI callsign genealogy
Currently held by UPSON JR, STEPHEN L
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 N4PGI's current licensee, walking backwards.
- Giardina, Nora SFLgranted 2019-04-26cancelled 2019-06-01
Successor callsigns
Callsigns held now by people who previously held N4PGI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4PGI, oldest first.
- UPSON JR, STEPHEN L NC1996-10-07 → cancelled 2008-10-08
- Giardina, Nora S SC2019-06-01 active