W7UM
Active1x2District 7
Competitive callsign — 52 applications filed with the FCC.
License HolderBROWN, MARK J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationBOULDER, CO
Grant DateMay 24, 2019
Expiration DateAug 14, 2029
W7UM is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by BROWN, MARK J in BOULDER, CO. This callsign has attracted significant interest in the amateur radio community, with 52 vanity applications filed with the FCC. The most recent was submitted by Ikeda, Takatoshi on Jul 31, 2009. W7UM has 13 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- --... ..- --
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Whiskey Seven Uniform Mike
Readability: 8/10(High readability)
License History
- License RenewedMay 24, 2019
- License IssuedAug 14, 2009
- Vanity Callsign GrantedAug 14, 2009
- License CanceledJul 24, 2007
- Administrative Update AppliedJul 7, 2007
- License IssuedMay 23, 2006
- Vanity Callsign GrantedMay 23, 2006
- Internal Correction AppliedMay 4, 2004
- Internal Correction AppliedMay 4, 2004
- License IssuedJan 24, 2003
- Vanity Callsign GrantedJan 24, 2003
- Internal Correction Applied
Vanity Application Activity
Competing applications filed with the FCC for this callsign.