Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WY3D callsign genealogy
Currently held by MAYER, FRANK S
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 WY3D's current licensee, walking backwards.
- MOZER, RONALD CPAgranted 2001-02-21cancelled 2010-06-19
Successor callsigns
Callsigns held now by people who previously held WY3D.
- MAYER, FRANK SNJgranted 2007-03-03cancelled 2016-03-18
All historical holders
Every license row we've seen with the callsign WY3D, oldest first.
- MAYER, FRANK S NJ2002-02-22 → cancelled 2007-03-03
- MOZER, RONALD C PA2020-06-23 active