W4KSK
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderALVARADO, GUARIONEX
License ClassGeneral
Min. Class RequiredGeneral
LocationSaint Cloud, FL
Grant DateSep 9, 2017
Expiration DateSep 11, 2027
W4KSK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by ALVARADO, GUARIONEX in Saint Cloud, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by ALVARADO, GUARIONEX on Aug 23, 2007. W4KSK has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -.- ... -.-
CW Weight: 31 units(Moderate)
Voice Phonetics
Whiskey Four Kilo Sierra Kilo
Readability: 7.5/10(High readability)
License History
- License ModifiedApr 24, 2025
- Administrative Update AppliedAug 31, 2019
- License RenewedSep 9, 2017
- Administrative Update AppliedJun 6, 2017
- Administrative Update AppliedSep 10, 2011
- License IssuedSep 11, 2007
- Vanity Callsign GrantedSep 11, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- ALVARADO, GUARIONEXFiled Aug 23, 2007Not awardedFCC ↗