Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD7SOZ callsign genealogy
Currently held by Cahoon, Matthew L
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 WD7SOZ's current licensee, walking backwards.
- Cahoon, Matthew LUTgranted 2026-06-16cancelled 2026-07-10
Successor callsigns
Callsigns held now by people who previously held WD7SOZ.
No current licensee on record previously held this callsign.