Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1PTB callsign genealogy
Currently held by Girasoli, Anthony J
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 KB1PTB's current licensee, walking backwards.
- Bender, Paul TMAgranted 2020-08-27cancelled 2020-09-18
Successor callsigns
Callsigns held now by people who previously held KB1PTB.
- Girasoli, Anthony JCTgranted 2020-05-12
All historical holders
Every license row we've seen with the callsign KB1PTB, oldest first.
- Girasoli, Anthony J CT2007-12-11 → cancelled 2010-05-14
- Bender, Paul T MA2020-09-18 active