Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5JSP callsign genealogy
Currently held by Peterson, John S
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 N5JSP's current licensee, walking backwards.
- Peterson, John SRIgranted 2024-03-14cancelled 2024-04-02
Successor callsigns
Callsigns held now by people who previously held N5JSP.
- Peterson, John SRIgranted 2026-02-24cancelled 2026-03-24
All historical holders
Every license row we've seen with the callsign N5JSP, oldest first.
- Reed, John F AR2003-01-31 → cancelled 2015-04-28
- Peterson, John S RI2024-04-02 → cancelled 2026-02-24