Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4WF callsign genealogy
Currently held by Haidari, Zach J
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 KW4WF's current licensee, walking backwards.
- Haidari, Zach JGAgranted 2016-01-19cancelled 2016-07-13
Successor callsigns
Callsigns held now by people who previously held KW4WF.
- Haidari, Zach JCAgranted 2016-08-02