CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/K5SEQ

← Back to results

K5SEQ

Active1x3District 5

Competitive callsign — 1 application filed with the FCC.

License HolderSequerth, Mark R

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationPflugerville, TX

Grant DateJul 18, 2017

Expiration DateJul 18, 2027

K5SEQ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Sequerth, Mark R in Pflugerville, TX. 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 Sequerth, Mark R on Jun 28, 2017. K5SEQ has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 26 units(Light (fast to send))

Voice Phonetics

Kilo Five Sierra Echo Quebec

Readability: 7.5/10(High readability)

License History

License IssuedJul 18, 2017
Vanity Callsign GrantedJul 18, 2017

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Sequerth, Mark RFiled Jun 28, 2017
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K5SEP K5SER →

FCC data as of Sep 4, 2026

K5SEQ FCC Vanity Status: 1 Competing Application & History