I only see the Channel 7 subs when I lose some signal and the channels default to their native channel ID. Any remapping happens and back to nothing. I also would like the radar.
I don't think the Samsung works like the RCA. I never turn on a get guide function because I never get a guide.
A couple of versions ago, our cable system carried a 24 hour radar channel that was useful in thunderstorm season (like soon).
I have seen enough to know I have seen too much. (A League of Their Own)