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-   -   Antenna help (http://forum.tvfool.com/showthread.php?t=1604)

Keypad 2-May-2011 3:42 AM

Antenna help
 
http://www.tvfool.com/?option=com_wr...8d17630c555715

I live out in the country, in a wooded area. Cable not an option for me. The house has an external antenna that's 10 yrs old on a mass attached to the roof (guessing 40 ft for the hieght). The antenna is a flat arrow type, small fines leads the point towards the towers. I have a new tv so convert box isn't needed. The problem is weak signal from locate station that are with in 50 miles. I'm think of replacing the antenna with Antennacraft hbu33 or better. Never rely had a problem until after the switch from analog to digital. Would appreciate any help or suggestion, thank you.

GroundUrMast 2-May-2011 5:10 AM

Your TV Fool Report includes this: WARNING: Address was only resolved to street level and might not be that close to your actual location. For more accurate results, try entering a specific address or coordinates.

You can use this tool to locate your site more accurately. 40' feet is not common, do you have a 3 story home? It's best not to use a signal prediction that is overly optimistic.

Keypad 2-May-2011 8:08 AM

It may be something like 30 ft. I have to use a 20ft ladder to get to the base or mount point of the mass from the deck. The deck is about 3 ft off the ground. The mass is at least 10 since I have to lower it to get to the antenna.

Keypad 2-May-2011 10:56 AM

Btw most maps can't find my address, this gets close with in 1/4 of a mile

mtownsend 2-May-2011 3:11 PM

In the Interactive Maps tool, you can drag-n-drop the orange pointer until it is in the correct location for your home. Switching the map to "satellite" or "hybrid" view might let you zoom in closer for a more accurate placement.

If you move the pointer or change the antenna height, the signal levels for all of the channels will get updated automatically.

Clicking the "Make Radar Plot" button will turn the existing location/height settings into a TV Fool report that you can post back here.

Tower Guy 2-May-2011 3:50 PM

Quote:

Originally Posted by Keypad (Post 8059)
I'm think of replacing the antenna with Antennacraft hbu33 or better.

That's the right idea. For simplicity a shorter mast and a preamp might be easier and better.

Keypad 3-May-2011 12:33 AM

This is my current anntena http://i303.photobucket.com/albums/n...s/d362667f.jpg


It's point in the write direction but I'm have to a lot weak or loss signal. I've tweaked it a couple of times trying to improve it. Used to be fine before the switch in signal so I think it's the antenna.

John Candle 3-May-2011 2:21 AM

TV Antennas and Reception
 
The antenna is a all channel Vhf/UHF/FM antenna. This is a good antenna to have. Check all outside coax connections for corroded contacts and bad matching transformer. I recommend replacing outside coax and All outside connections and matching transformer with All New. The best direction to point the antenna is 311 degree magnetic compass. If the antenna is pointed into the roof at 311 magnetic compass then the antenna height will need to be raised up higher. If the antenna is barley clearing the roof then the antenna will need to be raised up higher. Here is how to point tv antennas , http://www.kyes.com/antenna/pointing/pointing.html

coco 3-May-2011 2:29 AM

Before buying a new antenna ,I would first try some new coax . If the antenna is 10 years old then probably the coax is 10 years old too. You have nothing to lose --if the new coax doesn't improve your reception, you'll already have the new coax to go with your new antenna

Keypad 3-May-2011 3:25 AM

Thank, I'll try that first. It's mounted at the highest point of the roof. One question, would a grounding cable affect the reception? Had an issue with lightening that came through the telephone box (located just under the antenna's position) and took out a pc. The ground is an earth ground, copper wire from antenna to a copper rod in the ground.

John Candle 3-May-2011 3:42 AM

TV Antennas and Reception
 
If the antenna is grounded then that is good. Ground the shielded coax with a coax grounding block. What direction is the antenna pointed?? Is the antenna clearing the actual top of the roof or just the eave of the roof??

John Candle 3-May-2011 3:43 AM

TV Antennas and Reception
 
What direction is the antenna pointed??

Keypad 3-May-2011 4:21 AM

Its pointed (small end) close to 313 if I remember right. Had to tweak it some last fall but it's still having issues.

John Candle 3-May-2011 2:07 PM

TV Antennas and Reception
 
I recommend mounting the antenna with one of these tv antenna mounts , tripod roof mount , chimney mount , PEAK of the roof eave mount , Here are some places to buy tv antenna mounts and etc. , http://www.3starinc.com , http://www.solidsignal.com , http://www.amazon.com , http://www.starkelectronic.com

Keypad 4-May-2011 2:30 AM

I'm not sure i follow you, John? The antenna is mounted at the peak for the roof line.


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