K3SWK
Available1x3District 3
Competitive callsign — 1 application filed with the FCC.
License HolderFREY, CHARLES W
License ClassGeneral
Min. Class RequiredGeneral
LocationHAINES CITY, FL
Grant DateJun 17, 2008
Expiration DateNov 10, 2017
Cancellation DateNov 13, 2019
Available for ApplicationsNov 11, 2019
K3SWK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by FREY, CHARLES W in HAINES CITY, 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 Williams, Stephen on May 29, 2025. K3SWK has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ...-- ... .-- -.-
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Three Sierra Whiskey Kilo
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 ExpiredNov 13, 2019
- Tax ID (TIN) AddedJun 17, 2008
- License RenewedJun 17, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Williams, StephenFiled May 29, 2025Not awardedFCC ↗