Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7OTR callsign genealogy
Currently held by Price, William W
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 K7OTR's current licensee, walking backwards.
- Dinsmoor, Tyler RWAgranted 2015-10-28cancelled 2017-06-13
Successor callsigns
Callsigns held now by people who previously held K7OTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7OTR, oldest first.
- Price, William W OR2005-04-02 → cancelled 2017-04-04
- Dinsmoor, Tyler R WA2017-06-13 active