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Old 10-07-2012, 12:11 AM   #11
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I just want ya'all to know that I'm very happy it had nothing to do with the gel blinker fluid that I have been using. Thought maybe that might suck the signal down! I did rotate the air in the tires, and that didn't help either. That lead me wonder if I should get up on the roof, and try using a left handed metric adjustable wrench to tighten things up? Hay, I'm willing to try........
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Old 11-16-2012, 04:21 PM   #12
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See if this helps ... get a plastic clothes basket and cut the side so as to mount/place around the antenna; then firmly secure the cut ends of the basket. When up on the roof with your left-handed metric wrench and a couple of cold ones, toss your discarded beer/soda cans in the basket to enhance your signal, where the basket "doubles-up" as an out-of-sight recyclable bin -- don't forget to empty before departing.
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Old 11-16-2012, 09:13 PM   #13
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I too wish I could figure this out. Its a pain to run the auto program on the tv then move the antenna and inch run it again and so on until you get the best signal.You could work on setting that up an entire weekend. So all we do is put it up, run the auto program and whatever we get is it for the weekend. If we get nothing then the antenna goes down and we don't use the tv.
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Old 11-17-2012, 01:39 AM   #14
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Something else I don't understand about this digital TV thing is that different times of the day means different signal quality. Almost like sun spots are causing the signal to change.

I'm still trying to figure out what was wrong with the old signal. At least you could watch the news at night, even if it was snowy.

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Old 11-17-2012, 07:08 AM   #15
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Apparently you don't know the proper curse words to make it work!
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Old 11-17-2012, 09:30 AM   #16
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I still carry a good set of rabbit ears for my POPUP - just set them on top of the roof outside the front door. Then a squirrel will knock them over running across the roof.

The best antenna I played with was one of those $80 HD VHF/UHF high gain antennas from LOWES mounted on a pole to the side of our POPUP. This did great but was much longer than our popup was and would hit the trees when moving it around looking for TV signals. It also didn't last long as I had to take it down and fold it up before transporting so I finally broke off a couple of elements doing this and had to quit using it... Always got alot of looks from fellow campers... Looked like this photo...


Others tell me this type of antenna works real good with the new digital Natl Broadcast Television signals. Havent tried one yet. I'm still using the BATWING up on a pole and it does pretty well.

sample photos from google images

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Old 11-17-2012, 09:42 AM   #17
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After reading the previous explanations I think I have found a home here on JOF with fellow thinkers and like minded folks. I am a little frightened, but smiling.:hihi:
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Old 11-17-2012, 10:12 AM   #18
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Quote:
Originally Posted by Grumpytrkr View Post
Something else I don't understand about this digital TV thing is that different times of the day means different signal quality. Almost like sun spots are causing the signal to change.

I'm still trying to figure out what was wrong with the old signal. At least you could watch the news at night, even if it was snowy...


I use indoor antennas on my HD televisions at home and have observed that even wind affects signal reception. Sometimes, it only causes pixelation problems (square blocks displayed in parts of the image), but when it's more severe, one or more of these conditions can occur:
  • The picture freezes
  • The screen goes dark
  • We lose the sound and can only get it back when we momentarily change to another channel and change it back

Extreme signal problems (and this has only occurred several times) have caused the television to completely "lock up" (just like your home computer) and we have to reboot the television (turn it off/on) to recover. If that doesn't work, we unplug/plug it.

I think as time has gone on, the reception on HD TVs has been improving due to better technology. We had to move the antenna for almost every channel on our bedroom HD television that was purchased back in 2008. Last summer I replaced it (I put the old set in our TT) and we've yet to move the antenna for any channel we've watched. It also has far fewer signal problems than the television it replaced- we can actually watch it on a windy night. It used to be so frustrating, just when something important was about to happen, "POOF" went the picture and sound. Interestingly, this never seemed to occur when the commercials came on.
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Old 05-31-2013, 12:28 PM   #19
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Digital antenna

Back in the analog days, higher was better and the antenna design just seems to have carried over to the digital age. The digital antennas are far less reliant on height for a good signal, and when you raise them, you are allowing them to move more side to side, say as you walk around in your Jayco. When left close to the roof, this minimizes the amount of shaking and makes for a better picture.
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Old 05-31-2013, 06:14 PM   #20
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Wink

The signal you receive is influenced by MANY things. The short answer is ......if you get a better signal with the antenna in a different position other than fully extended then use that position. The long answer........Electromagnetic waves travel from the transmitting antenna and if left alone would produce a nice wave pattern. However things like reflection, refraction, absorption, diffraction, and scattering create what is called multipath signals. These signals create havoc among the good signals you want to receive. Sometimes the signal gets to your antenna at a perfectly delayed time 180 degrees out of sync and cancels the original signal (bad thing). Other times the multipath signal arrives at a good time and actually boosts the signal (good thing). If you have ever experienced the "ghost" image back when CRT tv's were popular that was multipath waves being displayed on the tv. (usually down and to the right of the good image). Back to the topic...the waves need to reach your antenna above a threshold that is predetermined in order to actually receive the signal. So to recap...if the waves are arriving to your antenna with too much jumble or without the proper amount of power you will experience a bad signal or no signal at all. Because the waves are extremely small there are times that moving your antenna slightly will produce a better picture because you have changed the angle for the way the multipath signals are being received.
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