{{Infobox radio station
| name = WSAU
| image =
| image_size =
| alt =
| caption =
| city = [[Wausau, Wisconsin]]
| area = Wausau-Stevens Point (Central Wisconsin), WI
| branding =
| slogan = News/talk ยท 99.9 FM
| frequency = 550 [[kilohertz|kHz]]
| translator =
| repeater =
| airdate = December 27, 1948
| last airdate =
| format = [[Conservative Talk]]
| language = English
| power =
| erp = 15 kW daytime
20 kW night
| haat =
| class = B
| facility_id = 41902
| coordinates = {{coord|44.8572|-89.5869|type:landmark_region:US_source:FCC|display=inline,title}}
| callsign_meaning =
| former_callsigns =
| former_frequencies =
| affiliations =
| operator =
| owner =
| licensee = Wrig, Inc
| sister_stations =
| webcast =
| website = [https://wsau.com/] wsau.com
}}

'''WSAU''' is an American ([[AM Broadcasting|AM]]) [[radio station]] licensed by the [[Federal Communications Commission|FCC]] to serve the community of [[Wausau, Wisconsin]] on the frequency of 550 [[kilohertz|kHz]]. The station license is assigned to Wrig, Inc. WSAU-AM) airs a [[Conservative Talk]] format.

The [[FCC]] first licensed this station to begin operations on December 27, 1948 using callsign WSAU.<ref name=fcchistory>{{cite web|url=https://licensing.fcc.gov/cgi-bin/prod/cdbs/forms/prod/getimportletter_exh.cgi?import_letter_id=66954|publisher=Federal Communications Commission|title=FCC History card for WSAU}}</ref>
==FM Translator==
{| class="wikitable"
|-
! Call Sign
! City, State
! Frequency
|-
| W236CO || [[ Marshfield, WI]] ||align=right| 95.1
|}
==Stations that have used the WSAU CallSign==
{| class="wikitable"
|-
! Current Call Sign
! City, State
! Frequency
|-
| [[WSAW]] || [[ Wausau, WI]] ||align=right|
|}
==References==
{{reflist}}
==External links==
* [https://wsau.com/ wsau.com] Official WSAU AM Website
* FCC Public Inspection File online [https://publicfiles.fcc.gov/am-profile/wsau]
* {{ AM station data|WSAU}}
{{-}}
[[Category:Radio stations in Wisconsin]]
[[Category:Radio stations established in 1948]]
[[Category:1948 establishments in Wisconsin]]
[[Category: Radio stations in the United States]]
{{ Wisconsin-radio-station-stub}}