Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5GGO callsign genealogy
Currently held by TWYEFFORT, BENJAMIN K
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 W5GGO's current licensee, walking backwards.
- Gray, Sidney MTXgranted 2004-04-13cancelled 2008-05-20
Successor callsigns
Callsigns held now by people who previously held W5GGO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5GGO, oldest first.
- TWYEFFORT, BENJAMIN K NM1994-07-14 → cancelled 1998-10-05
- GRAY, SIDNEY M TX2018-03-01 active