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/K3RST

← Back to results

K3RST

Active1x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderLYON, PORTER A

License ClassGeneral

Min. Class RequiredGeneral

LocationSilver Spring, MD

Grant DateJan 10, 2017

Expiration DateMar 6, 2027

K3RST is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by LYON, PORTER A in Silver Spring, MD. 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 Troop, Robert S on Mar 31, 2022. K3RST has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 27 units(Light (fast to send))

Voice Phonetics

Kilo Three Romeo Sierra Tango

Readability: 7/10(Good readability)

License History

Administrative Update AppliedJul 16, 2024
License RenewedJan 10, 2017
License RenewedJan 23, 2007
Administrative Update AppliedJul 18, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Troop, Robert SFiled Mar 31, 2022
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K3RSS K3RSW →

FCC data as of Sep 3, 2026

K3RST FCC Vanity Status: 1 Competing Application & History