Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2CBO callsign genealogy
Currently held by GELLMAN, MURRAY
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 K2CBO's current licensee, walking backwards.
- Millo, Cody ANJgranted 2024-04-23cancelled 2024-05-11
Successor callsigns
Callsigns held now by people who previously held K2CBO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2CBO, oldest first.
- GELLMAN, MURRAY NY1994-03-22 → cancelled 2006-03-23
- Millo, Cody A NJ2024-05-11 active