Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NX4DX callsign genealogy
Currently held by Gray, Larry E
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 NX4DX's current licensee, walking backwards.
- KR4DEIcancelledBitByBitHamsGAgranted 2025-04-15cancelled 2025-05-06
Successor callsigns
Callsigns held now by people who previously held NX4DX.
- KP3VAactivePOINCIANA DX GROUPPRgranted 2019-10-27
All historical holders
Every license row we've seen with the callsign NX4DX, oldest first.
- POINCIANA DX GROUP PR2006-01-24 → cancelled 2008-12-12
- Gray, Larry E AL2011-06-24 → cancelled 2023-07-12
- BitByBitHams GA2025-05-06 active