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WD4MSO

Available2x3District 4

No competing applications on record.

License HolderLight, Kenneth W

License ClassTechnician

Min. Class RequiredTechnician

LocationYsalia, CA

Grant DateSep 26, 1989

Expiration DateSep 26, 1999

Cancellation DateSep 27, 2001

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WD4MSO

Available2x3District 4

No competing applications on record.

License HolderLight, Kenneth W

License ClassTechnician

Min. Class RequiredTechnician

LocationYsalia, CA

Grant DateSep 26, 1989

Expiration DateSep 26, 1999

Cancellation DateSep 27, 2001

Available for ApplicationsSep 27, 2001

WD4MSO is a 2x3 format amateur radio callsign. It is currently registered to Light, Kenneth W in Ysalia, CA. 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: 37 units(Moderate)

Voice Phonetics

Whiskey Delta Four Mike Sierra 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 ExpiredSep 27, 2001

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.

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FCC data as of Jul 29, 2026

Is WD4MSO Available? FCC Vanity Status & Watchlist