Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7BTP callsign genealogy
Currently held by PORTZER, BRUCE 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 W7BTP's current licensee, walking backwards.
- PORTZER, BRUCE TWAgranted 2017-05-02cancelled 2021-12-24
Successor callsigns
Callsigns held now by people who previously held W7BTP.
No current licensee on record previously held this callsign.