N3RDU
Available1x3District 3
Competitive callsign — 2 applications filed with the FCC.
License HolderGOOD Sr., DAVID R
License ClassTechnician
Min. Class RequiredGeneral
LocationPITTSBURGH, PA
Grant DateDec 28, 1993
Expiration DateDec 28, 2003
Cancellation DateDec 29, 2005
Available for ApplicationsDec 29, 2005
N3RDU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by GOOD Sr., DAVID R in PITTSBURGH, PA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by FREGA, CARL N on Jun 15, 2026. N3RDU has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ...-- .-. -.. ..-
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
November Three Romeo Delta Uniform
Readability: 6.5/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJan 4, 2006
- Administrative Update AppliedApr 9, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.