Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7TBS callsign genealogy
Currently held by Shaffer, Tony 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 K7TBS's current licensee, walking backwards.
- Shaffer, TonyIDgranted 2024-02-21cancelled 2024-03-12
Successor callsigns
Callsigns held now by people who previously held K7TBS.
No current licensee on record previously held this callsign.