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Old 06-07-2012, 10:57 PM   #11
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Today I bought a Winegard Sensar add-on yagi type antenna. Will have to wait until we are camping again to see how well it works. It's supposed to increase gain by up to 100%.

I now understand that two big factors are trees in the way and line of sight. So if you are in a low area surrouded by trees, nothing much will help anyway.

Still trying to figure out where to find a programming guide for the DTV signals. That website link helps a lot, thanks!
Learned something new today!

Yagi Antenna

Thank you.

As to TV Guide, try TitanTV
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Old 06-08-2012, 12:08 AM   #12
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Yagi antennas have been around quite a while. Besides being a ham radio thing, before cable TV became widespread (I remember those days as a kid) a lot a people had yagi type TV antennas on their roofs on tall poles held down with guy wires. They really looked like h*ll, but everyone in the neighborhood had one. Sometimes they would come down in a bad windstorm.... Quite often they were fixed only. Folks with deeper pockets had electric rotators to aim them for best signals. You could only get 4 or 5 stations back then, and my parents TV was black & white. Oh, the good 'ol days!

Antennas need to be a shorter length the higher the frequency is. A yagi antenna is a sort of compromise in that it has several elements of different lengths that worth better in a particular UHF frequency range. The basic antenna that comes with an RV, is longer and designed to work at lower VHF frequencies.

This is what I bought today: SENSAR RV VHF/UHF Television Antenna - #1 Antenna in the RV Industry! I've read a lot about people adding a Wingman and didn't know exactly what they were. Now we own one!

I just noticed that CW has them for $14 less than what I paid at a wholesale only electronics shop. Better not let DW know.
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Old 06-08-2012, 02:19 AM   #13
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I use a Sure Lock Digital TV Signal finder to locate the strogest digital signal source before I even turn the tv on. I also upgraded the stoc Winegard (no Yagi) to a Jack TV Digital replacement head. It was an easy replacement and made a big improvement in signal strength and number of channels.

Of course... none of this helps if you are just too far from the transmitter towers.
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Old 06-08-2012, 06:31 AM   #14
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A couple of years ago the government had forced the Television stations and Cellular providers out of the analog business and into digital. The analog always were stronger but also needed stronger signal to work for Cellular you needed almost 3 bars to talk where as with digital I can talk with 1. With analog television the picture has about 20 different levels of signal. The digital has 4 working, some pixelation, alot of pixalation and no signal.... While in TX this spring I was hooked up to cable but the picture on the digital OTA was sooooo much better I watched that 90% of the time while watching tv and not dvd, netflix or digitally stored media
Gotta love Google tv
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Old 06-08-2012, 10:32 PM   #15
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Thanks for the help with AntennaWeb and TitanTV!.
I've bookmarked them on my laptop and Android tablet for future reference.

Chris in Virginia
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Old 06-08-2012, 10:34 PM   #16
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Thanks for the help with AntennaWeb and TitanTV!.
I've bookmarked them on my laptop and Android tablet for future reference.

Chris in Virginia
See if there is a Android app called TV Towers. It uses Google Maps to not only plot the towers but what networks are on them.
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Old 06-09-2012, 08:29 PM   #17
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One of my students' projects was to design a Yagi-Uda antenna, with each one having different requirements, such as gain, bandwidth, wind resistance, and directionality.

I had some very interesting solutions.

The biggest problem with Yagis is the bandwidth-directionallaty-gain trade-off; you can get a really good signal in a marginal area if you have high gain and pinpoint aiming, or okay signals in a strong reception area with a less directional antenna, or some reception in an area with strong signals.....ZZZZZ! I'm even boring myself!
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Old 06-09-2012, 08:54 PM   #18
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Still trying to figure out where to find a programming guide for the DTV signals. That website link helps a lot, thanks!
This will make your day then All you need is a postal code from the area you close to.
TV Listings Guide and TV Schedule, Where to Watch TV Shows - Zap2it
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Old 06-09-2012, 09:23 PM   #19
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Coops1, thanks for that link! That actually seems to work since you can input your location. Now, just have to pray for a good WiFi connection at a cg.

Thanks to the others for the great info. The TitanTV only seems to be for the east coast?

Freds342, not boring - gives me a headache thinking about it though. Took antenna and wave propogation theory in eng. school several decades ago (back in the day of sliderules) and think I'd rather permanently forget about it.

I have to admit I know nothing about how air digital signal transmission works. Anyone have some explanation?
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Old 06-13-2012, 09:48 PM   #20
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Antenna

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Toby, which antenna is that?
I don't have any idea what kind it is. I have yet to get up there and check it out. I don't watch much TV at the campsite so it is down a little lower on my list. Someday I'll resolve it though. On the inside I have a little booster button which I can push but it does very little for reception. We do take a collection of DVD's to watch but we have yet to watch a full movie.
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