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K0ARO

Active1x3District 0

Competitive callsign — 1 application filed with the FCC.

License HolderRENNER, WALTER K

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationMASON CITY, IA

Grant DateOct 3, 2016

Expiration DateDec 3, 2026

K0ARO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RENNER, WALTER K in MASON CITY, IA. 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 MURPHY, AARON on Feb 12, 2020. K0ARO has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 40 units(Moderate)

Voice Phonetics

Kilo Zero Alpha Romeo Oscar

Readability: 7/10(Good readability)

License History

License RenewedOct 3, 2016
License RenewedSep 8, 2006
Tax ID (TIN) AddedSep 6, 2006

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

MURPHY, AARONFiled Feb 12, 2020
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K0ARN K0ARP →

FCC data as of Sep 4, 2026

K0ARO FCC Vanity Status: 1 Competing Application & History