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Old 06-18-2021, 08:51 AM   #1
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Poor TV reception

In my 2016 40 AP Bus I only have found the switch that is push button, TV or Cable in the cabinet near the door. A blue light lights when one or the other is pushed. But the tv reception is terrible, losing the program constantly, in other rigs we have owned there is a booster button that seems to amplify the signal strength. Is there one I can't find in this rig?
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Old 06-18-2021, 08:58 AM   #2
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That is the boost when the light is blue. Not lite up it is set up for you to connect to cable. Maybe you are out of range, antenana not adjusted, amp or antenna defective.
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Old 06-18-2021, 11:36 AM   #3
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That is the boost when the light is blue. Not lite up it is set up for you to connect to cable. Maybe you are out of range, antenana not adjusted, amp or antenna defective.
That was what I was thinkig too, just too far out for the stations to get picked up here. Thanks for the information.
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Old 06-18-2021, 11:43 AM   #4
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That was what I was thinkig too, just too far out for the stations to get picked up here. Thanks for the information.
Sometimes when you try to “get away from it all” you succeed.
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Old 06-18-2021, 12:19 PM   #5
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Check out available channels at your current location...then aim front/head of antenna towards tower direction
*if Omni non rotating antenna....oh well

https://www.antennaweb.org/?msclkid=...Antenna%20Info

Aim antenna, blue light on (booster) TV input to Air/antenna, Auto Scan
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Old 06-18-2021, 01:10 PM   #6
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What kind of antenna is it, and what was in the other coaches that you've had?
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Old 06-18-2021, 01:20 PM   #7
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What kind of antenna is it, and what was in the other coaches that you've had?
Don't know what antenna is on the roof, have not been up there. The buttons have no name imprinted so it is a mystery. The string of rv's I've owned run from two 24 ft travel trailers, 2 large 5th wheels, class C, and now 3 class A's, all of whick had either a manual adjustable tv antenna or a power one. This tiffin Bus has nothing I can find to do any adjustments. The blue lights only say cable or TV.
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Old 06-18-2021, 01:25 PM   #8
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OTA TV has always been a crap shoot going back 70 years. Distance, obstacles, terrain, weather, and more will affect reception. Stations that come in clear on a bright sunny day may go to crap when the wind starts to blow. I’ve tried several major brands and styles of RV antennas and they all have issues.
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Old 06-20-2021, 06:59 AM   #9
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Don't know what antenna is on the roof
I have a 2016 Phaeton that had a TripleVision omnidirectional (mushroom/UFO-looking) antenna on the roof. I'm betting that's what you have too. Reception was not all that great so I looked at replacing it with a better one. I bought a King Jack and hooked it up temporarily. It wasn't much better so I returned it and bought a Winegard Sensar IV. That worked well but it was a crank-up model and I didn't know if it would harm anything by installing it. The first step was careful measuring to determine where the hole would come out in the ceiling if I installed it where the TripleVision antenna was. The next step was wondering if the hole would intercept wiring/plumbing/ducting in the ceiling on the way down. I used a long thin drill bit (1/4") and worked it down through the foam insulation by hand until it broke through the ceiling fabric. Once it was confirmed that the hole wouldn't interfere with any vitals, I enlarged it and installed the antenna.

There are 2 issues with the antenna: 1) it looks a bit awkward on the coach. The TripleVision looked more modern and 2) you have to remember to crank it down before you get on the road.

My method to address #2 is to loop a little lanyard around the crank when it's cranked down, lying flat on the roof. When cranked up, I transfer the lanyard to the steering wheel so it's a good reminder to crank it down before departure. The crank is pictured here with the lanyard on it even though it's cranked up, just to show both the crank and the lanyard in one shot.

My current location prevents me from getting a couple of OTA stations with transmitters which are about 30 miles away. It's a little perplexing because the ABC,NBC and CBS transmitters are located within a mile of each other but I only get ABC clearly. NBC gets pixelated and CBS doesn't come in at all. Not a big deal because all 3 networks really suck anyways.
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Old 06-20-2021, 07:15 AM   #10
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I have a 2016 Phaeton that had a TripleVision omnidirectional (mushroom/UFO-looking) antenna on the roof. I'm betting that's what you have too. Reception was not all that great .
The old Winegard "bat wing" crank up antenna is a good product but some RVers disliked having to aim it at every new location. So some RV manufactures switched to using so-called omnidirectional antennas that don't have to be aimed.

However, in life and in physics there's no "free lunch". I've heard people say that omnidirectional antennas are designed to provide uniformly poor reception in all directions!
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Old 06-20-2021, 08:10 AM   #11
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My current location prevents me from getting a couple of OTA stations with transmitters which are about 30 miles away. It's a little perplexing because the ABC,NBC and CBS transmitters are located within a mile of each other but I only get ABC clearly. NBC gets pixelated and CBS doesn't come in at all. Not a big deal because all 3 networks really suck anyways.
Numerous possible reasons for that, including some being on VHF and others on UHF. The longer wavelength VHF channels do better with refraction (bending over hills, for instance) than the much shorter wavelength UHF channels which are line-of-sight; multipath interference with signals bouncing off buildings and even other RVs, creating nulls where they cancel or where there are too many signals of similar strength for the TV to pick one and stay with it; even RF interference from LEDs and cell towers. Sometimes, moving the antenna just a few yards can make a channel come in cleanly that previously was unattainable.

One problem with omnis is that they’re never actually Omni, with reception equal in all directions, at least as they’re made for RVs (flying saucer with loop element inside). There’s always stronger and weaker directions in their pattern. And as stated above, you don’t get something for nothing in physics, so a more or less Omni pattern means low gain in just about all horizontal directions. To increase gain, you have to narrow the pattern, reducing gain in other directions, like a flashlight vs a lantern.

This is some random Omni antenna horizontal gain pattern I found on the net, and others I’ve seen for the same loop antennas are similar or even much worse.

Edit 1: A brief discussion on iRV a couple of years ago.

https://www.irv2.com/forums/f106/tri...na-454825.html

Edit 2: Almost forgot - 30 miles is relatively far for an Omni, and it’s possible if not likely that while some signals are just strong and clean enough, others don’t quite make it; the so-called ‘digital cliff’ where it’s perfect until it’s not, and not quite enough gives you nothing, whereas analog signals back in the day just got a little fuzzy or ghosted but were still very watchable.
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Old 06-20-2021, 08:59 AM   #12
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I was hoping I was just missing some switch somewhere to boost the signal, but looks like I will have to explore other options when we finally get home in a few months. The previous owner had Dish hooked up to the power Dish dome, but I was not planning on buying that service. I have time to figure it out. I thank you all for the information and taking the time to answer.
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Old 06-20-2021, 04:56 PM   #13
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Originally Posted by weighit View Post
I was hoping I was just missing some switch somewhere to boost the signal, but looks like I will have to explore other options when we finally get home in a few months. The previous owner had Dish hooked up to the power Dish dome, but I was not planning on buying that service. I have time to figure it out. I thank you all for the information and taking the time to answer.
Have you checked all your exterior cable connections, starting at the antenna? On an older TT I found that the center conductor on all the exterior cable connections had corroded away to nothing but some crust. The cable used by the manufacturer was CCS RG6. The center conductor being Copper Clad Steel is very prone to corrosion. I'm guessing your RV didn't install this CCS garbage, but worth a check.
All I had to do was replace my cable with a 10-12 foot of solid copper core RG6 and I had great reception of NBC, CBS and ABC and was happy to have all these great channels OTA again!
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Old 06-25-2021, 09:35 AM   #14
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I was hoping I was just missing some switch somewhere to boost the signal, but looks like I will have to explore other options when we finally get home in a few months. The previous owner had Dish hooked up to the power Dish dome, but I was not planning on buying that service. I have time to figure it out. I thank you all for the information and taking the time to answer.
I had many of your same issues with OTA equipment. Finally bit the bullet and installed a new Dish Wally RV system (I think). Best part of it is there is no monthly obligation for service. If we're going to be out for a couple of weeks I turn on the system using an app. If I don't want the service for the next 30 days I don't pay the bill and they shut if off a day or so later. Local channels are part of the package so it works for me.
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