N3DX
Active1x2District 3
Competitive callsign — 7 applications filed with the FCC.
License HolderSimpson, Robert S
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationMount Wolf, PA
Grant DateJul 7, 2016
Expiration DateAug 8, 2026
N3DX is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Simpson, Robert S in Mount Wolf, PA. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Weischedel, Joseph D on Jan 26, 2026. N3DX has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ...-- -.. -..-
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
November Three Delta X-ray
Readability: 8/10(High readability)
License History
- Authorization PrintedAug 6, 2016
- Internal Duplicate RequestedAug 5, 2016
- License RenewedJul 7, 2016
- Tax ID (TIN) AddedJun 27, 2006
- License RenewedJun 27, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.