Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4SRN callsign genealogy
Currently held by NUSSBAUM, SETH R
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 W4SRN's current licensee, walking backwards.
- NUSSBAUM, SETH RFLgranted 1999-03-01cancelled 2000-05-09
Successor callsigns
Callsigns held now by people who previously held W4SRN.
No current licensee on record previously held this callsign.