Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7WNX callsign genealogy
Currently held by FOSTER, MARK
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 W7WNX's current licensee, walking backwards.
- FOSTER, MARKCOgranted 2006-06-28cancelled 2006-07-18
Successor callsigns
Callsigns held now by people who previously held W7WNX.
No current licensee on record previously held this callsign.