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W0COB

Active1x3District 0

Competitive callsign — 4 applications filed with the FCC.

License HolderOBRIEN, CHRISTOPHER L

License ClassGeneral

Min. Class RequiredGeneral

LocationSacramento, CA

Grant DateMar 1, 2022

Expiration DateMar 1, 2032

W0COB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by OBRIEN, CHRISTOPHER L in Sacramento, 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 OBRIEN, CHRISTOPHER L on Feb 9, 2022. W0COB has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 45 units(Heavy (slower to send))

Voice Phonetics

Whiskey Zero Charlie Oscar Bravo

Readability: 7.5/10(High readability)

License History

License ModifiedApr 19, 2023
License IssuedMar 1, 2022
Vanity Callsign GrantedMar 1, 2022
License ExpiredMar 23, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

OBRIEN, CHRISTOPHER LFiled Feb 9, 2022
Not awardedFCC ↗
FOX, KENT WFiled Apr 13, 2012
Not awardedFCC ↗
BAKER, FRANK EFiled Aug 14, 2006
Not awardedFCC ↗
Hilger, Bruce LFiled Aug 14, 2006

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← W0CNX W0COC →

FCC data as of Sep 4, 2026

Not awarded

W0COB FCC Vanity Status: 4 Competing Applications & History