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KD9RUK

Available2x3District 9

No competing applications on record.

License HolderHolzapfel, Mark D

License ClassGeneral

Min. Class RequiredTechnician

LocationPlainfield, IL

Grant DateFeb 18, 2021

Expiration DateFeb 18, 2031

Cancellation DateFeb 23, 2024

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KD9RUK

Available2x3District 9

No competing applications on record.

License HolderHolzapfel, Mark D

License ClassGeneral

Min. Class RequiredTechnician

LocationPlainfield, IL

Grant DateFeb 18, 2021

Expiration DateFeb 18, 2031

Cancellation DateFeb 23, 2024

Available for ApplicationsFeb 24, 2026

KD9RUK is a 2x3 format amateur radio callsign. It is currently registered to Holzapfel, Mark D in Plainfield, IL. 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: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Delta Nine Romeo Uniform Kilo

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 CanceledFeb 23, 2024
License ModifiedJan 23, 2024
System-Generated GrantFeb 18, 2021
License IssuedFeb 18, 2021

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

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Explore nearby callsigns

← KD9RUJ KD9RUL →

FCC data as of Sep 4, 2026

Is KD9RUK Available? FCC Vanity Status & Watchlist