Some local networks already do in major markets. For instance Phoenix stations NBC, ABC, and an independent channel 3. are all broadcasting in HD. Fox and CBS
affiliates will be broadcasting this year.
All of the Major networks broadcast most of there prime time in HD.
inaugural hdtv broadcast in the united states
You can get nearly a thousand high-definition channels on both Dish Networks and DirecTV.
facilities with sufficient staff and equipment to produce multi-camera large-budget programming shot on location or in studios for broadcast networks or cable networks
The broadcast address on IPv4 networks is the subnet address, padded on the right with ones. For example, if the subnet address is 192.168.x.y, with a subnet mask of 255.255.0.0, then the broadcast address is 192.168.255.255.
DirectTV is a satellite broadcast platform delivering both standard and high definition television. As all high definition televisions will handle both SD and HD content, DirecTV is fully compatible.
In the United States, the Super Bowl will be broadcast on FOX.
High quality high definition broadcast antennae actually work quite well. More expensive types can pick up stations from as far as 75 miles away.
network layer
There are a number of television networks that carry live streaming of broadcast shows. This is sometimes offered by networks such as ABC for programs such as Bachelor and the Slice network for the show Big Brother Canada.
The Sky Box is just one way to enjoy High Definition television. There are a few other services that can broadcast High Definition Television to your home. It may depend on what services are available in your area.
A router is layer 3 device whose each port is a separate broadcast and collision domain. router is a device that makes communication possible between two or more networks.
Unconfirmed, but a Japanese friend told me NHK will broadcast it the night after.