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W9LSO

Active1x3District 9

Competitive callsign — 1 application filed with the FCC.

License HolderOTTO, LESLIE S

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationELMHURST, IL

Grant DateDec 10, 2021

Expiration DateDec 10, 2031

W9LSO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by OTTO, LESLIE S in ELMHURST, IL. 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 OTTO, LESLIE S on Nov 8, 2011. W9LSO has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Whiskey Nine Lima Sierra Oscar

Readability: 7.5/10(High readability)

License History

License RenewedDec 10, 2021
License IssuedNov 29, 2011
Vanity Callsign GrantedNov 29, 2011
License ExpiredMar 6, 2009
License ModifiedAug 10, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

OTTO, LESLIE SFiled Nov 8, 2011
Not awardedFCC ↗

Search external databases

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← W9LSN W9LSR →

FCC data as of Sep 3, 2026

W9LSO FCC Vanity Status: 1 Competing Application & History