Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6INS callsign genealogy
Currently held by GRIDER, SHERMAN 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 N6INS's current licensee, walking backwards.
- Corodimas, Ryan ACAgranted 2020-03-26cancelled 2020-07-31
Successor callsigns
Callsigns held now by people who previously held N6INS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6INS, oldest first.
- GRIDER, SHERMAN P AZ2004-04-28 → cancelled 2016-07-15
- Corodimas, Ryan A MT2020-07-31 active