Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS4W callsign genealogy
Currently held by RODRIGUEZ, ULYSSES 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 NS4W's current licensee, walking backwards.
- RODRIGUEZ, ULYSSES LFLgranted 1992-08-11cancelled 2001-10-10
Successor callsigns
Callsigns held now by people who previously held NS4W.
- Rollen, BertTNgranted 2019-04-16
All historical holders
Every license row we've seen with the callsign NS4W, oldest first.
- RODRIGUEZ, ULYSSES L FL2021-12-30 active
- ROLLEN JR, HUBERT Y— → cancelled 1999-06-24