What is normal aerial TV?

Question

What is the history about it? who made it? n when it was first started to be used? also how many types are there..??

where can i find information about aerial other than wikipedia.

Thanks.

Answer 1

Used to be, aerial TV was all there was. TV stations today still broadcast into the air. When TV first came out, you needed an antenna (some called it an "aerial") to capture the TV signal. "Rabbit-ears" on top of the TV did a halfway decent job, but most of the time a larger antenna needed to be mounted on the roof.

It wasn't until the late 1960's that cable TV started to become known. It was mostly useful to people in remote locations far from the stations' broadcast towers, making reception weak. People in large cities didn't need to pay for cable to get the same thing for free on their antennaes.

Subscription TV (like HBO) came along in the 1970's and when it was discovered that people really were willing to pay for such things, companies started creating more channels that are available ONLY on cable. So more people started subscribing to cable. Unfortunately, cable companies had a monopoly on the cable lines, so competitors had to design new technology, such as satellite, to get in on the action.

Aerial TV still exists today, but it's limited to the few TV stations that use broadcast towers. Antennas are not so much a "history" as a science. For more information about TV antennas, you might try this site.
http://www.hdtvprimer.com/

Answer 2

Most OTA TV antennas are modified dipole antennas. Dipole antennas were developed by Heinrich Rudolph Hertz around 1886.

There are a couple of web pages with pictures of early antennas listed below.

The invention of rabbit ear antennas is attributed to Marvin P. Middlemark in Wikipedia. Since (VHF) rabbit ears are just modified dipoles, it's not clear to me how valid this claim is.