Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9BTO callsign genealogy
Currently held by Hawkins, James M
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 W9BTO's current licensee, walking backwards.
- Hawkins, James MINgranted 2011-02-09cancelled 2020-03-03
Successor callsigns
Callsigns held now by people who previously held W9BTO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9BTO, oldest first.
- BISHOP, FRANKLIN D IL2006-03-16 → cancelled 2018-04-19
- Hawkins, James M IN2020-03-03 active