Home/Search/WD4AYO

WD4AYO

Available2x3District 4

No competing applications on record.

License HolderKOZAK, WALTER F

License ClassAdvanced

Min. Class RequiredTechnician

LocationWILMINGTON, NC

Grant DateOct 26, 1993

Expiration DateOct 26, 2003

Cancellation DateOct 27, 2005

CallsignFinder

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/WD4AYO

← Back to results

WD4AYO

Available2x3District 4

No competing applications on record.

License HolderKOZAK, WALTER F

License ClassAdvanced

Min. Class RequiredTechnician

LocationWILMINGTON, NC

Grant DateOct 26, 1993

Expiration DateOct 26, 2003

Cancellation DateOct 27, 2005

Available for ApplicationsOct 27, 2005

WD4AYO is a 2x3 format amateur radio callsign. It is currently registered to KOZAK, WALTER F in WILMINGTON, NC. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

.-- -.. ....- .- -.-- ---

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Whiskey Delta Four Alpha Yankee Oscar

Readability: 7.5/10(High readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredJan 4, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← WD4AYK WD4AYP →

FCC data as of Jul 29, 2026

Is WD4AYO Available? FCC Vanity Status & Watchlist