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K1STO

Active1x3District 1

Competitive callsign — 2 applications filed with the FCC.

License HolderWhite, Rosalie A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationBloomington, IN

Grant DateMar 4, 2020

Expiration DateMay 9, 2030

K1STO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by White, Rosalie A in Bloomington, IN. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by VITA, KENNETH on Apr 20, 2000. K1STO has 8 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo One Sierra Tango Oscar

Readability: 7.5/10(High readability)

License History

License RenewedMar 4, 2020
License RenewedMay 7, 2010
Administrative Update AppliedMar 25, 2009
Administrative Update AppliedDec 5, 2007
Administrative Update AppliedJul 27, 2007
Administrative Update AppliedAug 15, 2005
Administrative Update AppliedAug 26, 2000
License IssuedMay 9, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

VITA, KENNETHFiled Apr 20, 2000
Not awardedFCC ↗
WHITE, ROSALIE AFiled Apr 20, 2000
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← K1STN K1STP →

FCC data as of Sep 3, 2026

K1STO FCC Vanity Status: 2 Competing Applications & History