Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD3Y callsign genealogy
Currently held by MAISENHALTER, RONALD 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 WD3Y's current licensee, walking backwards.
- Colangelo, Matthew BWIgranted 2019-05-02cancelled 2023-01-21
Successor callsigns
Callsigns held now by people who previously held WD3Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD3Y, oldest first.
- MAISENHALTER, RONALD S PA2010-06-03 → cancelled 2022-08-30
- Colangelo, Matthew B WI2023-01-21 active