Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4ZLF callsign genealogy
Currently held by Delo, Russell B
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 KG4ZLF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KG4ZLF.
No current licensee on record previously held this callsign.