Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4YLZ callsign genealogy
Currently held by LONGAN III, ROBERT C
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 KC4YLZ'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 KC4YLZ.
- LONGAN III, ROBERT CVAgranted 2011-02-03cancelled 2023-04-04