Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB6ZYY callsign genealogy
Currently held by HOROWITZ, G SHELLYE
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 WB6ZYY's current licensee, walking backwards.
- Horowitz, G ShellyeCAgranted 2021-12-22cancelled 2022-01-11
Successor callsigns
Callsigns held now by people who previously held WB6ZYY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB6ZYY, oldest first.
- HOWARD, MARTIN J CA2007-10-31 → cancelled 2020-01-24
- HOROWITZ, G SHELLYE CA2022-01-11 active