Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NZ6K callsign genealogy
Currently held by Surf City Contest Club
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 NZ6K's current licensee, walking backwards.
- Sheradon, LawrenceCAgranted 2020-10-13cancelled 2025-04-22
Successor callsigns
Callsigns held now by people who previously held NZ6K.
- BELTRAN, Thomas ECAgranted 2010-03-24cancelled 2015-02-20
All historical holders
Every license row we've seen with the callsign NZ6K, oldest first.
- BELTRAN, Thomas E CA1991-01-15 → cancelled 2000-03-14
- Surf City Contest Club CA2013-06-18 → cancelled 2025-03-26
- Sheradon, Lawrence CA2025-04-22 active