Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9BOB callsign genealogy
Currently held by Gyorkos, Robert 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 KB9BOB's current licensee, walking backwards.
- Gyorkos, Robert PINgranted 2013-11-12cancelled 2013-12-24
Successor callsigns
Callsigns held now by people who previously held KB9BOB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9BOB, oldest first.
- SARVER, GARY M IN1990-05-29 → cancelled 2002-05-30
- Gyorkos, Robert P IN2023-12-06 active