Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6TBC callsign genealogy
Currently held by cochran, theodore b
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 N6TBC's current licensee, walking backwards.
- cochran, theodore bCAgranted 2015-07-17cancelled 2016-10-25
Successor callsigns
Callsigns held now by people who previously held N6TBC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6TBC, oldest first.
- EBERT, ALAN K CA1988-08-30 → cancelled 2000-09-01
- cochran, theodore b CA2016-10-25 active