With Digital technology you have several options on resolution. Below is the situätion as i understand it. Hopefully someone can fill in the blanks. When can you truthfully claim Digital Picture Quality??
HD ( OTA) 1080i
HD ( OTA) 720P
HD ( SAT) 1080i
HD ( SAT) 720P
SD ( OTA) 480P
Analog (OTA ) 280i
SD (SAT) 480P
SD (SAT) DISH ???? ---After Compression
SD (SAT) Direct ???? ---After Compression
DVD 480P
HD ( OTA) 1080i
HD ( OTA) 720P
HD ( SAT) 1080i
HD ( SAT) 720P
SD ( OTA) 480P
Analog (OTA ) 280i
SD (SAT) 480P
SD (SAT) DISH ???? ---After Compression
SD (SAT) Direct ???? ---After Compression
DVD 480P