Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ARB callsign genealogy
Currently held by DARWISH, ZAYD 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 K4ARB's current licensee, walking backwards.
- ROY, DEVIN EGAgranted 2023-07-11cancelled 2023-07-29
Successor callsigns
Callsigns held now by people who previously held K4ARB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ARB, oldest first.
- DARWISH, ZAYD D FL2007-07-12 → cancelled 2019-10-04
- ROY, DEVIN E GA2023-07-29 active