CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/WB0K

← Back to results

WB0K

Active2x1District 0

Competitive callsign — 4 applications filed with the FCC.

License HolderOESTREICH, JOHN J

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationCLINTON, IA

Grant DateDec 10, 2020

Expiration DateMar 5, 2031

WB0K is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by OESTREICH, JOHN J in CLINTON, IA. 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 PROVEAUX, RICHARD C on Aug 11, 1999. WB0K has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Whiskey Bravo Zero Kilo

Readability: 8/10(High readability)

License History

License RenewedDec 10, 2020
Administrative Update AppliedApr 17, 2012
License RenewedJan 4, 2011
Administrative Update AppliedApr 28, 2009
License ModifiedFeb 19, 2003
License RenewedFeb 21, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

PROVEAUX, RICHARD CFiled Aug 11, 1999
DismissedFCC ↗
RICE, DOUGLAS LFiled Aug 11, 1999
DismissedFCC ↗
PROVEAUX, RICHARD CFiled Aug 9, 1999
Not awardedFCC ↗
YANGELLO, MICHELE DFiled Aug 9, 1999

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← WB0J WB0L →

FCC data as of Sep 3, 2026

Not awarded

WB0K FCC Vanity Status: 4 Competing Applications & History