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/K1RXX

← Back to results

K1RXX

Active1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderMartin, Nathan T

License ClassTechnician

Min. Class RequiredGeneral

LocationBoonsboro, MD

Grant DateJun 27, 2025

Expiration DateJun 27, 2035

K1RXX is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Martin, Nathan T in Boonsboro, 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 Martin, Nathan T on Jun 9, 2025. K1RXX has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 41 units(Heavy (slower to send))

Voice Phonetics

Kilo One Romeo X-ray X-ray

Readability: 7.5/10(High readability)

License History

License IssuedJun 27, 2025
Vanity Callsign GrantedJun 27, 2025
License ExpiredFeb 29, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Martin, Nathan TFiled Jun 9, 2025
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K1RXR K1RYO →

FCC data as of Sep 4, 2026

K1RXX FCC Vanity Status: 1 Competing Application & History