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KD4SG

Expired2x2District 4

No competing applications on record.

License HolderJOHNSON, RALPH B

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationHUNTSVILLE, AL

Grant DateNov 5, 2015

Expiration DateOct 19, 2025

Available for ApplicationsOct 20, 2027

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KD4SG

Expired2x2District 4

No competing applications on record.

License HolderJOHNSON, RALPH B

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationHUNTSVILLE, AL

Grant DateNov 5, 2015

Expiration DateOct 19, 2025

Available for ApplicationsOct 20, 2027

KD4SG is a 2x2 format amateur radio callsign. It is currently registered to JOHNSON, RALPH B in HUNTSVILLE, AL. 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: 29 units(Light (fast to send))

Voice Phonetics

Kilo Delta Four Sierra Golf

Readability: 8/10(High readability)

Available Oct 20, 2027 (410 days remaining)

Requires General license or higher to apply for this callsign format (2x2).

License History

License RenewedNov 5, 2015
License RenewedAug 9, 2005
Tax ID (TIN) AddedApr 1, 2005
Administrative Update AppliedApr 1, 2005

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 ↗

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FCC data as of Sep 4, 2026

Is KD4SG Available? FCC Vanity Status & Watchlist