Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4ZK callsign genealogy
Currently held by MID-ATLANTIC 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 N4ZK's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4ZK.
- NN4ACactiveMID-ATLANTIC CONTEST CLUBVAgranted 2021-04-02
All historical holders
Every license row we've seen with the callsign N4ZK, oldest first.
- DOBBS, DWANE M TN2006-09-20 → cancelled 2018-12-19
- MID-ATLANTIC CONTEST CLUB VA2019-02-02 → cancelled 2021-04-02
- HAUNSCHILD, MAHLON R FL2023-04-21 active