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KA9JPO

Active2x3District 9

Competitive callsign — 1 application filed with the FCC.

License HolderJACOBY, MARSHALL S

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationAUBURN, CA

Grant DateSep 7, 2023

Expiration DateSep 7, 2033

KA9JPO is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by JACOBY, MARSHALL S in AUBURN, CA. 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 TUCKER, LOIS P on Aug 18, 2003. KA9JPO has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 51 units(Very heavy)

Voice Phonetics

Kilo Alpha Nine Juliet Papa Oscar

Readability: 7/10(Good readability)

License History

Administrative Update AppliedMay 23, 2025
Administrative Update AppliedMay 23, 2025
License RenewedSep 7, 2023
License RenewedAug 21, 2013
License IssuedSep 5, 2003
Vanity Callsign GrantedSep 5, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

TUCKER, LOIS PFiled Aug 18, 2003
Not awardedFCC ↗

Search external databases

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← KA9JPK KA9JPP →

FCC data as of Jul 24, 2026

KA9JPO FCC Vanity Status: 1 Competing Application & History