Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9GSZ callsign genealogy
Currently held by DROZS, MEL E
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 K9GSZ's current licensee, walking backwards.
- Drozs, Mel EILgranted 2013-09-30cancelled 2014-03-29
Successor callsigns
Callsigns held now by people who previously held K9GSZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9GSZ, oldest first.
- DROZS, MEL E IL1987-08-11 → cancelled 1999-08-16
- DROZS, MEL E IL2025-03-29 active