Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT7BOB callsign genealogy
Currently held by Tyrrell, Bob
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 KT7BOB's current licensee, walking backwards.
- Tyrrell, BobWAgranted 2020-03-10cancelled 2020-06-05
Successor callsigns
Callsigns held now by people who previously held KT7BOB.
No current licensee on record previously held this callsign.