Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB5JKO callsign genealogy
Currently held by Farrell, Gregory G
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 KB5JKO's current licensee, walking backwards.
- Farrell, Greg GTXgranted 2021-07-12cancelled 2021-08-28
Successor callsigns
Callsigns held now by people who previously held KB5JKO.
- FARRELL, GREG GTXgranted 2002-03-26cancelled 2013-06-06