W1KSU
Active1x3District 1
Competitive callsign — 2 applications filed with the FCC.
License HolderMAXWELL, DEREK W
License ClassGeneral
Min. Class RequiredGeneral
LocationCHALFONT, PA
Grant DateSep 17, 2024
Expiration DateOct 1, 2034
W1KSU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MAXWELL, DEREK W in CHALFONT, PA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Christy, Samuel L on Sep 13, 2004. W1KSU has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .---- -.- ... ..-
CW Weight: 35 units(Moderate)
Voice Phonetics
Whiskey One Kilo Sierra Uniform
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedDec 30, 2025
- License RenewedSep 17, 2024
- License RenewedAug 6, 2014
- License IssuedOct 1, 2004
- Vanity Callsign GrantedOct 1, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.