Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NB4K callsign genealogy
Currently held by Meyers, John D
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 NB4K's current licensee, walking backwards.
- Meyers, John DKYgranted 1998-10-01cancelled 2001-05-20
Successor callsigns
Callsigns held now by people who previously held NB4K.
- BROOKS, THOMAS GFLgranted 2019-01-31
All historical holders
Every license row we've seen with the callsign NB4K, oldest first.
- Meyers, John D AZ2021-03-16 active
- BROOKS JR, THOMAS G— → cancelled 1999-04-13