Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3GTB callsign genealogy
Currently held by Beamer, Gilbert 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 W3GTB's current licensee, walking backwards.
- Beamer, Gilbert TPAgranted 2018-06-06cancelled 2018-08-14
Successor callsigns
Callsigns held now by people who previously held W3GTB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3GTB, oldest first.
- MENZIE, GLENN P PA1988-09-27 → cancelled 2000-09-28
- Beamer, Gilbert T PA2018-08-14 active