Channel lineup/78501/Slate1/PBS? - Time Warner TV

This question is about "Channel lineup/78501/Slate1/PBS?", with Time Warner Cable TV and apps. Few months ago RGV lost our PBS station which was channel 10. Now these appears to be a PBS station with the channel 12 designation. However the only information available is Slate1 for the channel. Channel 12 is not listed in the channel guide you must enter channel 12 on number pad to access the station. Is this the new PBS station for Rio Grande Valley zip code 78501? Thanks

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