Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TS callsign genealogy
Currently held by BIDSTRUP, CRAIG C
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 K7TS's current licensee, walking backwards.
- BIDSTRUP, CRAIG CUTgranted 2018-08-16cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held K7TS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7TS, oldest first.
- SENIOR, THOMAS R OR2006-08-08 → cancelled 2018-11-06
- BIDSTRUP, CRAIG C UT2018-11-24 active