Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5SOF callsign genealogy
Currently held by McMath III, Benjamin H
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 W5SOF's current licensee, walking backwards.
- McMath III, Benjamin HMSgranted 2013-03-12cancelled 2013-08-09
Successor callsigns
Callsigns held now by people who previously held W5SOF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5SOF, oldest first.
- MATHEWS, LLOYD J TX2005-07-07 → cancelled 2009-05-02
- McMath III, Benjamin H MS2023-06-29 active