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K4YJU

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSHOR, ARTHUR J

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationOAK RIDGE, TN

Grant DateMar 7, 1989

Expiration DateMar 7, 1999

Cancellation DateMar 8, 2001

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K4YJU

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSHOR, ARTHUR J

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationOAK RIDGE, TN

Grant DateMar 7, 1989

Expiration DateMar 7, 1999

Cancellation DateMar 8, 2001

Available for ApplicationsMar 8, 2001

K4YJU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SHOR, ARTHUR J in OAK RIDGE, TN. 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, Sean D on Mar 18, 2024. K4YJU has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

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

CW Weight: 39 units(Moderate)

Voice Phonetics

Kilo Four Yankee Juliet Uniform

Readability: 7/10(Good readability)

This callsign is available now

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

License History

License ExpiredMar 8, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Harris, Sean DFiled Mar 18, 2024
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

K4YJU FCC Vanity Status: 1 Competing Application & History