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W6SDO

Active1x3District 6

Competitive callsign — 4 applications filed with the FCC.

License HolderAnderson, Robert L

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationSan Diego, CA

Grant DateNov 3, 2021

Expiration DateJan 27, 2032

W6SDO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Anderson, Robert L in San Diego, 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 Anderson, Robert L on Jan 9, 2012. W6SDO has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Whiskey Six Sierra Delta Oscar

Readability: 7.5/10(High readability)

License History

License RenewedNov 3, 2021
License ModifiedAug 1, 2016
License IssuedJan 27, 2012
Vanity Callsign GrantedJan 27, 2012

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Anderson, Robert LFiled Jan 9, 2012
Not awardedFCC ↗
Star Of India Amateur Radio ClubFiled Mar 15, 2010
Not awardedFCC ↗
SMITH, SCOTT TFiled Mar 24, 2000
Not awardedFCC ↗
WLADYKA, ROBERT VFiled Mar 24, 2000

Search external databases

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Explore nearby callsigns

← W6SDN W6SDP →

FCC data as of Sep 3, 2026

Not awardedFCC ↗

W6SDO FCC Vanity Status: 4 Competing Applications & History