Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA4ZYB callsign genealogy
Currently held by Johnson, Ronald W
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 WA4ZYB's current licensee, walking backwards.
- Johnson, Ronald WSCgranted 2025-02-14cancelled 2025-03-21
Successor callsigns
Callsigns held now by people who previously held WA4ZYB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4ZYB, oldest first.
- JOHNSON, RONALD W SC2012-06-06 → cancelled 2024-07-09
- Johnson, Ronald W SC2025-03-21 active