Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6SOT callsign genealogy
Currently held by Goodwin, Mark A
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 W6SOT's current licensee, walking backwards.
- Goodwin, Mark ACAgranted 2014-11-26cancelled 2015-03-20
Successor callsigns
Callsigns held now by people who previously held W6SOT.
- KRAUTKREMER, ROGER JTXgranted 2026-08-12