K4SUM
Available1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderMORASKI SR, JOSEPH J
License ClassAdvanced
Min. Class RequiredGeneral
LocationALEXANDRIA, VA
Grant DateJan 23, 1998
Expiration DateJan 23, 2008
Cancellation DateJan 26, 2010
Available for ApplicationsJan 24, 2010
K4SUM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MORASKI SR, JOSEPH J in ALEXANDRIA, VA. 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 Jenkins, Summer F on Sep 21, 2026. K4SUM has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- ....- ... ..- --
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Four Sierra Uniform 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 ExpiredJan 26, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.