Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4YHE callsign genealogy
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 KF4YHE'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 KF4YHE.
- DIAZ, LOUISFLgranted 1999-04-14cancelled 2004-10-15