Uhf Vhf

What are UHF and VHF as applies to tv reception?

I have a nearly 30 year old tv / radio combination which has UHF and VHF as choices for tv reception. I do not know what either means and cannot figure out how I can connect my tv to receive cable programs.

VHF are basically line of sight transmissions. They run from 30 Mhz to 300 Mhz and are used for TV broadcasts, Amatuer radio, marine communications and air traffic control.
UHF frequencies are the next higher band. They run from 300 Mhz to 3Ghz. They are used for TV broadcasts, 2 way radio transmissions and mobile phones.
To connect your cable to the screws on the back of the older TV’s, I’d go and get a small, inexpensive adapter. You attach the cable at one end. At the other end are two wires with spade ends. Just connect these to the screws on the back of the TV.

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For anyone who loves crisp, clear, high definition TV cable is the most exciting part of the transition from U.S. broadcasting from analog to digital broadcasting. There are hours of TV programs in high-definition cable every night a week. These are the shows with an onscreen message at the beginning: "Presented in high definition where available." Some viewers see that the message and mistakenly think they are watching HDTV in its 15-year-old set. Not so simple.

To experience the real HDTV in your home, you need a source of HDTV signals, a tuner to receive and decode the signals, and high performance display screen that can reproduce the remarkable detail and color of HDTV images. Many people have invested thousands of dollars on a TV HDTV without thinking too much about what they will be looking into it. This article will help put the pieces of the puzzle for you to avoid costly mistakes and experience the magnificence of HDTV cable.

First, let's take a look at how to get high definition signals. So let's cover some of the HDTV common terms and questions, and the transition to digital television.

How to find signs of HDTV cable in your area

It describes the basic methods to receive HDTV programs below. Once you know what type (s) of signals high definition television are available, you will have a clearer idea of what equipment is needed for viewing.

During the broadcasts air: title = "Digital TV"> digital TV broadcasting are being transmitted by stations of most local communities around the country covering virtually 100% of U.S. households TV. Most digital stations broadcast in the normal range of UHF (channels 14 to 69), so you can receive with a UHF antenna. Some stations of the "use high VHF band" range (Ch. 7-13), and some are "low-band VHF (ch. 2-6), by which may need a UHF / VHF antenna. Antenna information that is specific to you, visit selector Consumer Electronics Association Antenna site web.
Over-the-air broadcasts

What you need:
* HD-compatible TV
* HDTV (ATSC) – alone unit or integrated TV
* Indoor or outdoor UHF or UHF / VHF antenna
* Local HDTV broadcasts (which are free!)

Cable HDTV: Vendors cable television now offer the option of HDTV cable service to approximately 90% of subscribers, especially those living in medium and large markets television in the city. Do not confuse "digital cable, high definition television via cable – while it is true that all HD href = "Http://www.businesstelecommunication.net/cable-channels" title = "Cable Channels"> cable channels are digital, not all digital channels High Definition. Digital cable usually means you get more channels and the picture quality can be a bit better than normal cable, but can not be equated to HDTV. If your cable provider does not offer high definition television, you probably need to upgrade your cable box to an HDTV-capable model.

Steve Kindig – June 11, 2009

About the Author:

Author: Greg Dempsey – Business Telecommunications
Title: Cable HDTV
http://www.businesstelecommunication.net/cable-television/cable-hdtv
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Article Source: ArticlesBase.com – Cable HDTV