N4WMB
Active1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderSHANNON, MACK H
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationLANCASTER, SC
Grant DateJan 11, 2022
Expiration DateMar 31, 2032
N4WMB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SHANNON, MACK H in LANCASTER, SC. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Burris, William M on Sep 5, 2025. N4WMB has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- .-- -- -...
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
November Four Whiskey Mike Bravo
Readability: 8/10(High readability)
License History
- License RenewedJan 11, 2022
- License RenewedJan 4, 2012
- License RenewedJan 17, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.