teleview

The old days of Analog Tv transmission only one analog signal can be in a 'channel'.

In that same channel. With no Analog Tv signal in there.

As an example.

UHF channel 15.

More the one digital Tv channels will fit in to the UHF 15 channel.

Hense the.

15.1

15.2

15.3

15.4

And even.

15.5

15.6

and still have room for a radio station or two.

and still have room for multi-channel audio like , English , Spanish , French , and etc.
the program/movie , as an example is Total Recall , and can select other audio languages of Total Recall.

and still have room for stereo and surround sound.

and still have room for Closed Captioning.

and even room for data services.

All in that UHF channel 15 , that only one analog Tv channel would fit in.