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K7TZK

Active1x3District 7

Competitive callsign — 1 application filed with the FCC.

License HolderRosenthal, Mark A

License ClassGeneral

Min. Class RequiredGeneral

LocationSnohomish, WA

Grant DateNov 6, 2018

Expiration DateNov 6, 2028

K7TZK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Rosenthal, Mark A in Snohomish, WA. 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 Rosenthal, Mak A on Oct 17, 2018. K7TZK has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

Kilo Seven Tango Zulu Kilo

Readability: 7.5/10(High readability)

License History

Administrative Update AppliedNov 9, 2018
License ModifiedNov 8, 2018
License IssuedNov 6, 2018
Vanity Callsign GrantedNov 6, 2018

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Rosenthal, Mak AFiled Oct 17, 2018
Not awardedFCC ↗

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Explore nearby callsigns

← K7TZJ K7TZO →

FCC data as of Sep 4, 2026

K7TZK FCC Vanity Status: 1 Competing Application & History