Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4YZ callsign genealogy
Currently held by MC ADAMS, JAMES H
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 W4YZ's current licensee, walking backwards.
- Johnson, William LVAgranted 1997-05-27cancelled 2002-05-03
Successor callsigns
Callsigns held now by people who previously held W4YZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4YZ, oldest first.
- MC ADAMS, JAMES H AL1996-02-05 → cancelled 2000-04-14
- Johnson, William L VA2022-05-17 active