Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1JSP callsign genealogy
Currently held by Pontbriand, John
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 K1JSP's current licensee, walking backwards.
- Pontbriand, JohnNHgranted 2015-11-19cancelled 2015-12-08
Successor callsigns
Callsigns held now by people who previously held K1JSP.
No current licensee on record previously held this callsign.