Directv H25 problems
Several months back I posted about using an H25 receiver with a dome antenna. I was told I needed to install a swm 840 kit which I did. I recently was able to use this set up and it worked fine. Howev...
Forum Discussion
Tom_M wrote:With the adoption of HD most major stations switched from VHF analog to UHF (which is also analog transmission) for HD and SD. UHF is line of sight and generally less range. The change was transparent to many unless they were out of UHF coverage or noticed new channels like 7.1, 7.2, 7.3 etc.CA Traveler wrote:There seems to be confusion on what HD and SD are. HD is High Definition and SD is Standard Definition. Both are digital. All full power TV stations in the US are broadcasting digital. Many TV stations broadcast both HD and SD. Typically one HD and one or more SD programs. Some broadcast only multiple SD programs. Most of the programming on OTA TV is Standard Definition.
The OTA switch to HD resulted in many stations on UHF with more limited range and line of sight required. Basically you get HD or not while SD could be snowy but still viewable.
But others had to upgrade their antennas or make other changes. Yes there was a lot of SD content last time I checked. But HD has taken over and 4K is pending...
