Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4NYM callsign genealogy
Currently held by Brown, William F
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 K4NYM's current licensee, walking backwards.
- Brown, WilliamFLgranted 2020-05-08cancelled 2020-05-27
Successor callsigns
Callsigns held now by people who previously held K4NYM.
- Landis, Christopher JGAgranted 2017-12-08
All historical holders
Every license row we've seen with the callsign K4NYM, oldest first.
- Landis, Christopher J GA2016-04-29 → cancelled 2017-12-08
- Brown, William F FL2020-05-27 active