Home/Search/KD4SOI

KD4SOI

Available2x3District 4

No competing applications on record.

License HolderWHEELER JR, WILLIAM M

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationWINTER HAVEN, FL

Grant DateSep 1, 1992

Expiration DateSep 1, 2002

Cancellation DateSep 2, 2004

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/KD4SOI

← Back to results

KD4SOI

Available2x3District 4

No competing applications on record.

License HolderWHEELER JR, WILLIAM M

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationWINTER HAVEN, FL

Grant DateSep 1, 1992

Expiration DateSep 1, 2002

Cancellation DateSep 2, 2004

Available for ApplicationsSep 2, 2004

KD4SOI is a 2x3 format amateur radio callsign. It is currently registered to WHEELER JR, WILLIAM M in WINTER HAVEN, FL. 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: 33 units(Moderate)

Voice Phonetics

Kilo Delta Four Sierra Oscar India

Readability: 6.5/10(Good readability)

This callsign is available now

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

License History

License ExpiredSep 2, 2004

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

← KD4SOH KD4SOJ →

FCC data as of Sep 4, 2026

Is KD4SOI Available? FCC Vanity Status & Watchlist