Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4TWG callsign genealogy
Currently held by Greenaway, Thomas W
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 W4TWG's current licensee, walking backwards.
- Greenaway, Thomas WGAgranted 2019-09-20cancelled 2019-10-08
Successor callsigns
Callsigns held now by people who previously held W4TWG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4TWG, oldest first.
- Gibson, Teddy W VA2006-07-07 → cancelled 2018-07-10
- Greenaway, Thomas W GA2019-10-08 active