Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4ZMB callsign genealogy
Currently held by FELDT III, EVERETT 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 KK4ZMB's current licensee, walking backwards.
- McLaughlin, Charles BALgranted 2013-09-12cancelled 2017-11-10
Successor callsigns
Callsigns held now by people who previously held KK4ZMB.
- Folsom-Feldt, Everett ROKgranted 2024-07-02
All historical holders
Every license row we've seen with the callsign KK4ZMB, oldest first.
- FELDT III, EVERETT R TX2013-10-17 → cancelled 2014-08-12
- McLaughlin 217, Charles B AL2017-11-10 active