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K9RST

Active1x3District 9

Competitive callsign — 4 applications filed with the FCC.

License HolderPAI, JOO H

License ClassTechnician

Min. Class RequiredGeneral

LocationARCADIA, CA

Grant DateApr 19, 2024

Expiration DateJun 11, 2034

K9RST is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by PAI, JOO H in ARCADIA, CA. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Orr, Rob W on May 24, 2004. K9RST has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Nine Romeo Sierra Tango

Readability: 7/10(Good readability)

License History

License RenewedApr 19, 2024
Administrative Update AppliedJan 24, 2023
License RenewedMar 19, 2014
License IssuedJun 11, 2004
Vanity Callsign GrantedJun 11, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Orr, Rob WFiled May 24, 2004
Not awardedFCC ↗
STRATMAN, RICHARD DFiled Mar 23, 2004
Not awardedFCC ↗
THOMPSON, DELLITT AFiled Aug 2, 2001
Not awardedFCC ↗
WESLEY SR, HOWARD LFiled Aug 2, 2001

Search external databases

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Explore nearby callsigns

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FCC data as of Jul 31, 2026

Not awarded

K9RST FCC Vanity Status: 4 Competing Applications & History