only able to receive local channels - DirecTV DVR

#1
For only able to receive local channels, relating to DirecTV DVRs and receivers. For the past couple of hours, we have been trying to watch tv. We are only able to see our local channels, all the other ones are completely blank-no messages, nothing!! Our signals are strong, we are not receiving any messages, we cannot even access the directtv information channels-what's wrong??!!
 
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