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W7CDK

Active1x3District 7

Competitive callsign — 2 applications filed with the FCC.

License HolderEstrada, Rufel L

License ClassTechnician

Min. Class RequiredGeneral

LocationHouston, TX

Grant DateDec 31, 2019

Expiration DateFeb 26, 2030

W7CDK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Estrada, Rufel L in Houston, TX. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Kuh, Cathie D on Feb 8, 2010. W7CDK has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Whiskey Seven Charlie Delta Kilo

Readability: 7.5/10(High readability)

License History

License RenewedDec 31, 2019
License IssuedFeb 26, 2010
Vanity Callsign GrantedFeb 26, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Kuh, Cathie DFiled Feb 8, 2010
Not awardedFCC ↗
Okeefe, JoaquinFiled Feb 8, 2010
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

W7CDK FCC Vanity Status: 2 Competing Applications & History