Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3SG callsign genealogy
Currently held by ALLEN, CHARLES M
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 W3SG's current licensee, walking backwards.
- Eckert, Brian RPAgranted 2003-11-20cancelled 2008-01-05
Successor callsigns
Callsigns held now by people who previously held W3SG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3SG, oldest first.
- ALLEN, CHARLES M MD1996-12-10 → cancelled 1998-05-06
- Eckert, Brian R PA2017-12-05 active