Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9TBI callsign genealogy
Currently held by GOLOB, MARTIN
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 K9TBI's current licensee, walking backwards.
- MCINTIRE, TRENTSCgranted 2024-04-19cancelled 2024-05-11
Successor callsigns
Callsigns held now by people who previously held K9TBI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9TBI, oldest first.
- GOLOB, MARTIN IL1987-10-06 → cancelled 1999-10-07
- MCINTIRE, TRENT A SC2024-05-11 active