Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9UUM callsign genealogy
Currently held by Netwal, Jim J
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 W9UUM's current licensee, walking backwards.
- NETWAL, JIM JWIgranted 1999-05-28cancelled 2000-07-14
Successor callsigns
Callsigns held now by people who previously held W9UUM.
No current licensee on record previously held this callsign.