K4WSM
Active1x3District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderVELEZ, GREGORIO
License ClassTechnician
Min. Class RequiredGeneral
LocationSAN SEBASTIAN, PR
Grant DateApr 7, 2026
Expiration DateJun 30, 2036
K4WSM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by VELEZ, GREGORIO in SAN SEBASTIAN, PR. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Moore IV, William S on Jun 12, 2006. K4WSM has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-- ... --
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Kilo Four Whiskey Sierra Mike
Readability: 8/10(High readability)
License History
- License RenewedApr 7, 2026
- Administrative Update AppliedMar 17, 2026
- Administrative Update AppliedSep 10, 2019
- License RenewedJun 1, 2016
- Administrative Update AppliedNov 24, 2010
- Vanity Callsign GrantedJun 30, 2006
- License IssuedJun 30, 2006
- License CanceledSep 10, 2002
- License IssuedOct 27, 2001
- Vanity Callsign GrantedOct 27, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.