Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS4B callsign genealogy
Currently held by RAPER, TIMOTHY 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 NS4B's current licensee, walking backwards.
- Gurlen, Clifton ETNgranted 2002-04-01cancelled 2002-05-11
Successor callsigns
Callsigns held now by people who previously held NS4B.
- RAPER, TIMOTHY JKYgranted 2020-02-19
All historical holders
Every license row we've seen with the callsign NS4B, oldest first.
- RAPER, TIMOTHY J KY1999-06-16 → cancelled 2000-03-14
- Gurlen, Clifton E TN2022-02-26 active