Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7RU callsign genealogy
Currently held by SZYMANSKI, MARTIN P
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 W7RU's current licensee, walking backwards.
- SZYMANSKI, MARTIN Pcancelled 1998-10-27
Successor callsigns
Callsigns held now by people who previously held W7RU.
- SZYMANSKI, MARTIN PCAgranted 2025-06-17