Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1GX callsign genealogy
Currently held by Mauersberg, Martin
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 W1GX's current licensee, walking backwards.
- Mauersberg, MartinGAgranted 2017-01-18cancelled 2018-08-28
Successor callsigns
Callsigns held now by people who previously held W1GX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1GX, oldest first.
- Shaw Jr, Philip E ME2007-05-09 → cancelled 2016-08-09
- Mauersberg, Martin GA2018-08-28 active