W4MBT
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderRosa Sr, Joseph A
License ClassGeneral
Min. Class RequiredGeneral
LocationSALEM, NH
Grant DateSep 22, 2021
Expiration DateSep 22, 2031
W4MBT is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Rosa Sr, Joseph A in SALEM, NH. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Portwine, Richard G on Feb 5, 2026. W4MBT has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -- -... -
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey Four Mike Bravo Tango
Readability: 8.5/10(High readability)
License History
- License RenewedSep 22, 2021
- License IssuedSep 7, 2011
- Vanity Callsign GrantedSep 7, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.