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/KP4ARD

← Back to results

KP4ARD

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderDiaz Santiago, Antonio R

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationGuaynabo, PR

Grant DateOct 6, 2020

Expiration DateDec 28, 2030

KP4ARD is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Diaz Santiago, Antonio R in Guaynabo, PR. 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 Diaz Santiago, Antonio R on Dec 8, 2010. KP4ARD has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Papa Four Alpha Romeo Delta

Readability: 7/10(Good readability)

License History

License RenewedOct 6, 2020
Administrative Update AppliedSep 25, 2019
License IssuedDec 28, 2010
Vanity Callsign GrantedDec 28, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Diaz Santiago, Antonio RFiled Dec 8, 2010
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KP4ARC KP4ARG →

FCC data as of Sep 3, 2026

KP4ARD FCC Vanity Status: 1 Competing Application & History