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KD4IRU

Available2x3District 4

No competing applications on record.

License HolderLychenheim, David E

License ClassGeneral

Min. Class RequiredTechnician

LocationGreenbelt, MD

Grant DateJan 31, 2012

Expiration DateJan 31, 2022

Cancellation DateFeb 1, 2024

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KD4IRU

Available2x3District 4

No competing applications on record.

License HolderLychenheim, David E

License ClassGeneral

Min. Class RequiredTechnician

LocationGreenbelt, MD

Grant DateJan 31, 2012

Expiration DateJan 31, 2022

Cancellation DateFeb 1, 2024

Available for ApplicationsFeb 1, 2024

KD4IRU is a 2x3 format amateur radio callsign. It is currently registered to Lychenheim, David E in Greenbelt, MD. 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

Kilo Delta Four India Romeo Uniform

Readability: 6/10(Good readability)

This callsign is available now

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

License History

License ExpiredFeb 1, 2024
License RenewedJan 31, 2012
Tax ID (TIN) AddedJan 24, 2002
License RenewedJan 24, 2002

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 KD4IRU Available? FCC Vanity Status & Watchlist