Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4UZF callsign genealogy
Currently held by DARRAH, JONATHAN 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 KF4UZF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF4UZF.
- DARRAH, JONATHAN DFLgranted 1999-03-16cancelled 2000-05-16