N3MBT
Available1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderCOULSON, JAMES G
License ClassTechnician
Min. Class RequiredGeneral
LocationSTRATTANVILLE, PA
Grant DateFeb 14, 2002
Expiration DateMay 5, 2012
Cancellation DateMay 6, 2014
Available for ApplicationsMay 6, 2014
N3MBT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by COULSON, JAMES G in STRATTANVILLE, PA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Portwine, Richard G on Feb 5, 2026. N3MBT has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ...-- -- -... -
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
November Three Mike Bravo Tango
Readability: 8/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMay 6, 2014
- Tax ID (TIN) AddedFeb 14, 2002
- License RenewedFeb 14, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Portwine, Richard GFiled Feb 5, 2026Not awardedFCC ↗