Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9CG callsign genealogy
Currently held by DRUMMOND, GARY 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 KB9CG's current licensee, walking backwards.
- Guariniello, CesareINgranted 2013-03-06cancelled 2017-09-19
Successor callsigns
Callsigns held now by people who previously held KB9CG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9CG, oldest first.
- DRUMMOND, GARY S KS1999-05-27 → cancelled 2010-06-16
- Guariniello, Cesare IN2017-09-19 active