The Best RCA ANT751 Outdoor Antenna

RCA HDTV Outdoor Durable Yagi Antenna

ANT751 - Outdoor Antenna - RCA Antennas - 

This compact outdoor antenna is designed to maximize signal collection including all HD and SD in digital formats via UHF and VHF frequencies. An HDTV tuner and display are required to experience high definition.

Features (continued)

• Adapts to almost any outdoor or attic setting
• Ultra compact design
• Snap lock elements and easy fold out assembly
• Superior construction to withstand tough outdoor conditions
• Heavy duty locking mast clamp
• Cross phase multi element design
• Includes mounting hardware and 75ohm matching transformer
• One year limited warranty

RCA ANT751 Elements (courtersy : https://forum.tvfool.com/showthread.php?t=16264)

Compact Indoor/Outdoor Yagi TV Antenna

Double Antenna for more channel reception

This RCA Compact Indoor /Outdoor Antenna provides both network and local television in full 1080 HD quality, for free. Its pre-assembled design and included mast and mounting hardware provide a variety of placement options, while its enhanced signal reception outperforms antennas available from other manufacturers. Don’t settle for a lesser picture or fewer channels when you know your TV is capable of delivering much more! 

• Cross-phase, multi-element design provides enhanced reception technology for more channels
• Supports up to 1080i HDTV broadcasts
• Receives UHF and VHF channels = more content!
• Pre-assembled design with easy-lock fold-out UHF reflector and snap-lock elements
• Mast, mounting hardware and 75-ohm transformer included for placement indoors or outdoors

RCA Antenna Installation at Attic

UHF and VHF Channels in HD

Many antennas on the market are optimized to receive only UHF broadcasts and do not reliably receive VHF. All RCA TV antennas are precision-tuned to receive both UHF and VHF frequencies and will provide you with the most HD content.

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Getting the Best Reception

The amount and quality of the channels you receive will depend on the following:

1) Channels being broadcast in your area

2) Broadcast tower locations

RCA ANT751 Durable Outdoor Antenna

3) Strength of the broadcast signals

4) Line of sight and environmental terrain 

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Customer Says about this antenna :

 

Winegard HDTV Antenna

There's no magic antenna that works for everyone. It all depends on your distance to the broadcast station, whether your channels are UHF or VHF, and existance of inteference/obstructions. To find out if it works for you, go to antenna point.com and see

1. How far you are from the broadcast station - If you're less than 40 miles without anything in between (hills/trees/buildings) then it will work. I'm 37 mile from the main one, so I get all channels. If more than 40 miles then try a bigger outdoor antenna, like the Winegard Antenna.

2. Whether the channels are UHF only or both UHF and VHF - If UHF only then you're in luck, because you might be able to find a smaller indoor antenna that will work fine. If both UHF/VHF then you'll need an antenna like this RCA NT751R.

Quality - Its aluminum construction is lightweight and won't corrode. A sturdy mount is included (unlike other antennas). It can flip 90 degrees, allowing mounting on both horizontal and vertical surfaces.

More things to buy - You'll need to buy bolts/screws to fasten the mount into your roof/wall. You'll also need to buy your own coaxial cable. I also bought a 4ft pole to extend the height of the antenna past the crest of my roof. The round pole drops into the mount easily and the antenna has a U brace that clamps onto the pole.

Installation - The hard part will be installation and wiring. Point the smaller end toward the broadcast station for best reception. National Electrical Code also requires grounding it in case of lightning strike. If possible, you should try attic installation first, to hide the antenna from view and to forgo the grounding requirement. In my case, I lost a couple of important channels (out of around 55), so I decided to mount it on the roof.

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UHF/VHF HDTV Antenna

Lava UHF/VHF  Antenna

With over 1,000 stations in more than 200 markets broadcasting digital television, nine out of ten households can now receive free HDTV signals with the right antenna, a set-top box and a high-definition television. This Lava Electronics HD-2605 Remote Control HDTV Antenna features 360-Degree rotation to make sure you get the best HDTV reception possible. Its high sensitivity reception helps you get the weakest HDTV signals in more rural areas. These antennas are capable of receiving weaker HDTV signals when no significant multipath (ghost) conditions exist, i.e. no reflective structures nearby. 

Customer says about this products :

John S Pieri wrote : We get 22 channels and we are 80 miles from the nearest transmitters.All the channels are clear, crisp, HDTV national channels and a few local channels. Install took about 20 minutes after assembly.All we used was a Phillips screw driver. Once mounted, with the directional motor, we aimed it perfectly for best reception.The 30 feet of cable provides lots of options for mounting on your roof top.We really didn't even need a tall pole, but we put it atop a 10 foot one inch pole.This will work on your RV or boat too, it doesn't have to be mounted too high.Cable TV is fine, but this will pay for itself in one month, so we were sold.

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Another customer wrote : 
We live 80 to 100 miles from any transmission towers which are in several different directions. After trying several so called omnidirectional antennas we purchased this antenna after reading reviews. The antenna is outstanding. It pulls in strong signals from all the closest towers and we even get some channels from areas beyond 100 miles.

Keep in mind digital signals are effected by severe weather much like the small satellite dishes so during bad weather we loose the furthermost signals and some of the closest ones come and go during the worst weather.

We have been through several mid-west severe thunderstorms since I installed this antenna and everything still works like it did out of the box.

Just an added note the antenna arrived too late to install out side the first night so I sat it on a table in our front window and got better reception with it there than we were getting with our other antenna mounted 50 feet high outside. This is truly a great antenna and I would strongly recommend it especially for anyone living in extreme fringe areas.

My only suggestion to the company is to include a direction indicator on the on the remote control and have directional buttons instead of double clicking to reverse direction. 

Please more read details for this Antenna

Lava HD-2605 UHF/VHF HDTV Antenna with Remote Control

The Wavelength of Frequency

The wavelength is proportional to the reciprocal of the frequency. The wavelength of any wave is related to the frequency so that fλ = v, where f is the frequency in Hz, λ is the wavelength in meters, and v is the velocity of propagation in meters per second (m/s). Because radio waves propagate at the speed of light (which is also an electromagnetic wave), approximately 300,000,000 m/s in both free space and the earth’s atmosphere, the lowercase letter c is used to represent velocity (rather than v), so you can rewrite this expression in the form :

f(Hz) = c / λ(meters) = 3 x 10^8 / λ(meters)

These equations are sometimes abbreviated for use with the units kHz and MHz:

F (kHz) = 3 x 10^5 /λ(meters)

F(MHz) = 300 / λ (meters)

You can get an idea of the order of length of these waves  for several different frequencies: 100 kHz, 1 MHz (in the AM broadcast band), 10 MHz (in the shortwave bands), and 1000 MHz (microwave bands). If you work the equations, then you will find that these wavelengths are 3000 m (100 kHz), 300 m (1 MHz), 30 m (10 MHz), and 0.3 m, or 30 cm (1000 MHz). You can see from these numbers why 1 MHz is in what is called the medium-wave band, 10 MHz is in the short wave band, and 1,000 MHz is in the microwave (“very small” wave) band. At 100 kHz, which is 0.1 MHz, the wavelength is 3000 m, so this frequency is in the long wave

band.

Basic Antenna Book

For reference of Basic Antenna System , this book will help you.

Understanding Practical Antennas and Designs

Basic Antennas is a comprehensive introduction to antennas--basic concepts, practical designs, and details of easy-to-build antennas. You ll learn how to make antennas that really work! This book will provide a foundation in antenna theory and design necessary for anyone undertaking more advanced topics such as those presented in The ARRL Antenna Book. Includes: Dipole Antennas, Antenna Impedance, Transmission Lines, Practical Two Element Arrays, Wideband and Multiband Antennas Reflector Antennas, Yagis for HF and VHF, Loop Antennas, Antennas for Microwave Applications, Vehicle Antennas, Antenna Measurements, Plus, an Introduction to Antenna Modeling...and much more!