Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1JTB callsign genealogy
Currently held by Bandzul, John T
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 K1JTB's current licensee, walking backwards.
- Branam, John TTNgranted 2022-05-05cancelled 2023-05-12
Successor callsigns
Callsigns held now by people who previously held K1JTB.
- Bandzul, JohnGAgranted 2016-09-20
All historical holders
Every license row we've seen with the callsign K1JTB, oldest first.
- Bandzul, John T MA2015-03-13 → cancelled 2016-09-20
- Branam, John T TN2023-05-12 active