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KY4EH

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderISAACSON, ROBERT D

License ClassAdvanced

Min. Class RequiredGeneral

LocationCOSTA MESA, CA

Grant DateJul 10, 2014

Expiration DateAug 31, 2024

Cancellation DateMar 9, 2021

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KY4EH

Available2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderISAACSON, ROBERT D

License ClassAdvanced

Min. Class RequiredGeneral

LocationCOSTA MESA, CA

Grant DateJul 10, 2014

Expiration DateAug 31, 2024

Cancellation DateMar 9, 2021

Available for ApplicationsMar 10, 2023

KY4EH is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by ISAACSON, ROBERT D in COSTA MESA, CA. 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 HOLMES, ERIC J on Feb 18, 2025. KY4EH has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 29 units(Light (fast to send))

Voice Phonetics

Kilo Yankee Four Echo Hotel

Readability: 8/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

License History

License CanceledMar 9, 2021
License IssuedFeb 13, 2021
System-Generated GrantFeb 13, 2021

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

HOLMES, ERIC JFiled Feb 18, 2025
Not awardedFCC ↗

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FCC data as of Jul 29, 2026

KY4EH FCC Vanity Status: 1 Competing Application & History