Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF5HYF callsign genealogy
Currently held by SMITH, DARRELL L
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 KF5HYF's current licensee, walking backwards.
- SMITH, DARRELL LOKgranted 2006-11-09cancelled 2010-07-14
Successor callsigns
Callsigns held now by people who previously held KF5HYF.
- SMITH, DARRELL LMOgranted 2020-12-08