Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3PTB callsign genealogy
Currently held by Schulte Jr, Gregory P
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 W3PTB's current licensee, walking backwards.
- Schulte Jr, GregoryFLgranted 2012-11-21cancelled 2019-12-27
Successor callsigns
Callsigns held now by people who previously held W3PTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3PTB, oldest first.
- BLUM, PERRY T PA2000-02-29 → cancelled 2012-03-01
- Schulte Jr, Gregory P FL2019-12-27 active