KW4BS
Available2x2District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderBlaes, Mark D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationWoodbridge, VA
Grant DateSep 22, 2014
Expiration DateSep 22, 2024
Cancellation DateOct 10, 2014
Available for ApplicationsOct 11, 2016
KW4BS is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Blaes, Mark D in Woodbridge, VA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Schulz, Bernd on Aug 29, 2025. KW4BS has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-- ....- -... ...
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Whiskey Four Bravo Sierra
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License CanceledOct 10, 2014
- System-Generated GrantSep 22, 2014
- License IssuedSep 22, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.