Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4LZA callsign genealogy
Currently held by Messer Jr, William R
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 K4LZA's current licensee, walking backwards.
- Messer Jr, William RVAgranted 2013-06-21cancelled 2013-07-09
Successor callsigns
Callsigns held now by people who previously held K4LZA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4LZA, oldest first.
- MESSER, WILLIAM R NC2000-07-18 → cancelled 2012-10-03
- Messer Jr, William R VA2013-07-09 → cancelled 2025-07-10