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W6MSO

Active1x3District 6

Competitive callsign — 1 application filed with the FCC.

License HolderOltmans, Marilyn K

License ClassGeneral

Min. Class RequiredGeneral

LocationBISHOP, CA

Grant DateMar 19, 2024

Expiration DateMar 19, 2034

W6MSO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Oltmans, Marilyn K in BISHOP, 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 Oltmans, Marilyn K on Feb 18, 2003. W6MSO has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Whiskey Six Mike Sierra Oscar

Readability: 8/10(High readability)

License History

License RenewedMar 19, 2024
License RenewedApr 30, 2013
Administrative Update AppliedJun 19, 2010
License IssuedMar 8, 2003
Vanity Callsign GrantedMar 8, 2003

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Oltmans, Marilyn KFiled Feb 18, 2003
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

W6MSO FCC Vanity Status: 1 Competing Application & History