Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS7TBC callsign genealogy
Currently held by Crittenden, Thomas 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 KS7TBC's current licensee, walking backwards.
- Crittenden, Thomas BWAgranted 2009-01-29cancelled 2009-02-24
Successor callsigns
Callsigns held now by people who previously held KS7TBC.
No current licensee on record previously held this callsign.