The satalite receiver is a model R15. The DVD recorder is a Sony RDRVX530. I do not have HD. I can record movies from Showtime and TCM but not HBO, Starz, Cinemax, IFC or even AMC. I don't know what 480i is or where to check. I'm not very tech savvvy so it may be hard to answer your...

New here. sorry if this is repeat. Why are some channels recordable to dvd and others not? Is there anyway to get around it if they are not?