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W4JSB

Available1x3District 4

No competing applications on record.

License HolderMC ALPIN, ROBERT B

License ClassGeneral

Min. Class RequiredGeneral

LocationLOUISVILLE, KY

Grant DateApr 18, 2014

Expiration DateMay 18, 2024

Cancellation DateMay 19, 2026

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W4JSB

Available1x3District 4

No competing applications on record.

License HolderMC ALPIN, ROBERT B

License ClassGeneral

Min. Class RequiredGeneral

LocationLOUISVILLE, KY

Grant DateApr 18, 2014

Expiration DateMay 18, 2024

Cancellation DateMay 19, 2026

Available for ApplicationsMay 19, 2026

W4JSB is a 1x3 format amateur radio callsign. It is currently registered to MC ALPIN, ROBERT B in LOUISVILLE, KY. 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

Whiskey Four Juliet Sierra Bravo

Readability: 7/10(Good readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredMay 19, 2026
License RenewedApr 18, 2014
FRN Association Letter SentMay 18, 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.

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FCC data as of Sep 4, 2026

Is W4JSB Available? FCC Vanity Status & Watchlist