Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4YYZ callsign genealogy
Currently held by LANIER, ROBERT A
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 K4YYZ's current licensee, walking backwards.
- TRUITT, JOHN WNCgranted 2014-03-18cancelled 2015-02-10
Successor callsigns
Callsigns held now by people who previously held K4YYZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4YYZ, oldest first.
- LANIER, ROBERT A FL1999-11-04 → cancelled 2011-11-05
- TRUITT, JOHN W NC2025-01-14 active