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Yes, there are lots of duplicate channels. There is no difference. There are several reasons for the duplication.
1. Many older people were used to channel numbers from the analogue cable TV days many years ago - channels 2-69 or so. Rogers have kept those mostly the same for people used to those channel numbers. See link below:
https://wiki.radioreference.com/index.php/Television_Frequencies
2. When Rogers brought out the HD channels about 20 years ago, most of them were in the 500 channel range.
3. When more and more channels became HD, the 100 channels in the 500 range were not enough.
4. The channels are now often grouped into "themes" such as news, children's, movies, time-shifting, education, French, multi-cultural, sports, music, 4K, etc, so that's why you'll find there are often duplicated channels.
This duplication does not require any extra bandwidth - the channels are simply "mapped" to different places "on the dial."
Yes, there are lots of duplicate channels. There is no difference. There are several reasons for the duplication.
1. Many older people were used to channel numbers from the analogue cable TV days many years ago - channels 2-69 or so. Rogers have kept those mostly the same for people used to those channel numbers. See link below:
https://wiki.radioreference.com/index.php/Television_Frequencies
2. When Rogers brought out the HD channels about 20 years ago, most of them were in the 500 channel range.
3. When more and more channels became HD, the 100 channels in the 500 range were not enough.
4. The channels are now often grouped into "themes" such as news, children's, movies, time-shifting, education, French, multi-cultural, sports, music, 4K, etc, so that's why you'll find there are often duplicated channels.
This duplication does not require any extra bandwidth - the channels are simply "mapped" to different places "on the dial."
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