W4DYY
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderBLACKBURN, WILLIAM W
License ClassAdvanced
Min. Class RequiredGeneral
LocationGLENROCK, WY
Grant DateOct 3, 2024
Expiration DateDec 28, 2034
W4DYY is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BLACKBURN, WILLIAM W in GLENROCK, WY. 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 HOLLIDAY, KENNETH B on Dec 8, 2004. W4DYY has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -.. -.-- -.--
CW Weight: 39 units(Moderate)
Voice Phonetics
Whiskey Four Delta Yankee Yankee
Readability: 8/10(High readability)
License History
- License RenewedOct 3, 2024
- Reference Copy Duplicate RequestedDec 11, 2020
- Authorization PrintedDec 9, 2020
- License RenewedOct 4, 2014
- Administrative Update AppliedAug 20, 2013
- License IssuedDec 28, 2004
- Vanity Callsign GrantedDec 28, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- HOLLIDAY, KENNETH BFiled Dec 8, 2004Not awardedFCC ↗