Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1GSP callsign genealogy
Currently held by Hensen, Jonathan 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 N1GSP's current licensee, walking backwards.
- Hensen, Jonathan PVAgranted 2017-04-05cancelled 2017-04-25
Successor callsigns
Callsigns held now by people who previously held N1GSP.
- Hensen, Jonathan PVAgranted 2025-03-18
All historical holders
Every license row we've seen with the callsign N1GSP, oldest first.
- RUDENBERG, PAUL G MA1989-07-03 → cancelled 2001-07-04
- Hensen, Jonathan P VA2017-04-25 → cancelled 2025-03-18