Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5SGM callsign genealogy
Currently held by Cornell, Gerald K
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 N5SGM's current licensee, walking backwards.
- Cornell, Gerald KTXgranted 2021-02-12cancelled 2021-05-04
Successor callsigns
Callsigns held now by people who previously held N5SGM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5SGM, oldest first.
- COLE, DONALD L TX2001-02-27 → cancelled 2013-03-13
- Cornell, Gerald K TX2021-05-04 active