K7DSM
Available1x3District 7
Competitive callsign — 6 applications filed with the FCC.
License HolderBrown, Rex A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationTroy, MI
Grant DateJun 27, 2014
Expiration DateJun 27, 2024
Cancellation DateJul 1, 2026
Available for ApplicationsJun 28, 2026
K7DSM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Brown, Rex A in Troy, MI. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by McClimans, Daryl S on Jun 29, 2026. K7DSM has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --... -.. ... --
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Seven Delta Sierra Mike
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJul 1, 2026
- License IssuedJun 27, 2014
- Vanity Callsign GrantedJun 27, 2014
- License CanceledFeb 21, 2007
- Administrative Update AppliedNov 17, 2005
- License ModifiedOct 17, 2005
- License ModifiedSep 8, 2005
- FRN Association Letter SentAug 10, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.