Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7XSP callsign genealogy
Currently held by Parks, John 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 W7XSP's current licensee, walking backwards.
- Parks, John MWAgranted 2003-04-04cancelled 2011-09-27
Successor callsigns
Callsigns held now by people who previously held W7XSP.
- Parks, John MWAgranted 2020-09-26