Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3SUP callsign genealogy
Currently held by SUPPLEE, GLENN 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 W3SUP's current licensee, walking backwards.
- SUPPLEE, GLENN TPAgranted 2019-10-16cancelled 2023-10-11
Successor callsigns
Callsigns held now by people who previously held W3SUP.
No current licensee on record previously held this callsign.