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K4CDR

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderBurgholzer, John B

License ClassAdvanced

Min. Class RequiredGeneral

LocationFORT LAUDERDALE, FL

Grant DateSep 23, 2013

Expiration DateMar 5, 2024

Cancellation DateMar 6, 2026

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K4CDR

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderBurgholzer, John B

License ClassAdvanced

Min. Class RequiredGeneral

LocationFORT LAUDERDALE, FL

Grant DateSep 23, 2013

Expiration DateMar 5, 2024

Cancellation DateMar 6, 2026

Available for ApplicationsMar 6, 2026

K4CDR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Burgholzer, John B in FORT LAUDERDALE, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Harris, Ned P on Dec 27, 2021. K4CDR has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- ....- -.-. -.. .-.

CW Weight: 32 units(Moderate)

Voice Phonetics

Kilo Four Charlie Delta Romeo

Readability: 7.5/10(High readability)

This callsign is available now

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

License History

License ExpiredMar 6, 2026
License RenewedSep 23, 2013
Tax ID (TIN) AddedSep 8, 2003
License RenewedSep 8, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Harris, Ned PFiled Dec 27, 2021
Not awardedFCC ↗

Search external databases

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← K4CDQ K4CDS →

FCC data as of Sep 4, 2026

K4CDR FCC Vanity Status: 1 Competing Application & History