Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N5JSG callsign genealogy
Currently held by Grantham Jr, Jeffery 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 N5JSG's current licensee, walking backwards.
- Grantham Jr, Jeffery SMSgranted 2016-09-29cancelled 2016-11-01
Successor callsigns
Callsigns held now by people who previously held N5JSG.
No current licensee on record previously held this callsign.