Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NY3DX callsign genealogy
Currently held by MT HOLLY DX ASSOCIATION
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 NY3DX's current licensee, walking backwards.
- KB3SFPcancelledMT HOLLY DX ASSOCIATIONPAgranted 2009-01-27cancelled 2009-02-18
Successor callsigns
Callsigns held now by people who previously held NY3DX.
- NN4NNcancelledMT HOLLY DX ASSOCIATIONFLgranted 2020-12-29cancelled 2025-12-30