Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7TRB callsign genealogy
Currently held by SHENKEL, WILLARD F
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 KA7TRB's current licensee, walking backwards.
- BAILEY, TIMOTHY RWAgranted 2022-08-24cancelled 2022-09-20
Successor callsigns
Callsigns held now by people who previously held KA7TRB.
- BAILEY, TIMOTHY RWAgranted 2022-10-22
All historical holders
Every license row we've seen with the callsign KA7TRB, oldest first.
- SHENKEL, WILLARD F WA1994-07-14 → cancelled 2006-07-15
- BAILEY, TIMOTHY R WA2022-09-20 → cancelled 2022-10-22