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WA6UHH

Available2x3District 6

No competing applications on record.

License HolderSierka, Karl F

License ClassTechnician

Min. Class RequiredTechnician

LocationBoulder, CO

Grant DateMar 24, 2010

Expiration DateMay 15, 2020

Cancellation DateMay 17, 2022

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WA6UHH

Available2x3District 6

No competing applications on record.

License HolderSierka, Karl F

License ClassTechnician

Min. Class RequiredTechnician

LocationBoulder, CO

Grant DateMar 24, 2010

Expiration DateMay 15, 2020

Cancellation DateMay 17, 2022

Available for ApplicationsMay 16, 2022

WA6UHH is a 2x3 format amateur radio callsign. It is currently registered to Sierka, Karl F in Boulder, CO. 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: 31 units(Moderate)

Voice Phonetics

Whiskey Alpha Six Uniform Hotel Hotel

Readability: 7/10(Good readability)

This callsign is available now

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

License History

License ExpiredMay 17, 2022
License RenewedMar 24, 2010
License RenewedJun 14, 2000

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 WA6UHH Available? FCC Vanity Status & Watchlist