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W5YDX

Active1x3District 5

Competitive callsign — 5 applications filed with the FCC.

License HolderKOLLER, ALEXANDER

License ClassGeneral

Min. Class RequiredGeneral

LocationHOUSTON, TX

Grant DateMar 13, 2017

Expiration DateApr 10, 2027

W5YDX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KOLLER, ALEXANDER in HOUSTON, TX. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Koller, Alexander on Mar 23, 2007. W5YDX has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Whiskey Five Yankee Delta X-ray

Readability: 8/10(High readability)

License History

License RenewedMar 13, 2017
License IssuedApr 10, 2007
Vanity Callsign GrantedApr 10, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Koller, AlexanderFiled Mar 23, 2007
Not awardedFCC ↗
LOPEZ, GUY SFiled Sep 13, 2000
Not awardedFCC ↗
Shafer, James EFiled Sep 13, 2000
Not awardedFCC ↗
DORSEY, ROBERT FFiled Oct 18, 1999

Search external databases

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← W5YDW W5YEE →

FCC data as of Jul 10, 2026

Not awarded

MAGRUDER, EDMUND HFiled Oct 18, 1999

Not awardedFCC ↗

W5YDX FCC Vanity Status: 5 Competing Applications & History