W3MWK
Active1x3District 3
Competitive callsign — 2 applications filed with the FCC.
License HolderKELSO, MARK W
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationMartinsburg, WV
Grant DateJul 17, 2020
Expiration DateSep 29, 2030
W3MWK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KELSO, MARK W in Martinsburg, WV. 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 KELSO, MARK W on Sep 11, 2000. W3MWK has 16 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ...-- -- .-- -.-
CW Weight: 36 units(Moderate)
Voice Phonetics
Whiskey Three Mike Whiskey Kilo
Readability: 8.5/10(High readability)
License History
- Administrative Update AppliedFeb 13, 2026
- Administrative Update AppliedJan 3, 2026
- License RenewedJul 17, 2020
- License ModifiedMay 19, 2016
- Administrative Update AppliedJan 23, 2016
- Authorization PrintedAug 13, 2011
- Internal Correction AppliedAug 12, 2011
- Internal Duplicate RequestedAug 12, 2011
- Administrative Update AppliedJul 16, 2011
- License RenewedSep 21, 2010
- Administrative Update AppliedOct 15, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.