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Old 09-09-2005, 04:24 PM   #15
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Originally Posted by chuck
I had to switch because my skyliner was leaking, and the innards were corroded beyond repair. However, it worked well. it worked much better when I added a signal amplifier to it. (I installed the signal amplifier before I knew there was a leak issue.)

So since I already had the amplifier, I bought the batwing model that does NOT have a built-in amplifier. It works really well, too, but its hard to say if its "better" than the skyliner, because everywhere you go, reception is different. In my driveway, trying to compare apples to apples, the batwing seems a little better. It may be my imagination, though. If it is better, its not by a lot.

What I do know is that one time at a rally, I was parked right next to someone w/ an amplified batwing, and they were pulling in more channels than I was with my un-amplified skyliner. In all likelyhood, its the amplification that was making the difference; not the antenna itself. My understanding is that the skyliner and others of that type, are about as good an antenna as can be had.
I am not familiar with TV antennas. Ask me anything about torsion axles and RV plumbing but I know nothing about TV antennas and amplifiers!
First of all, is my Skyliner an amplified antenna already? Where would I check to see if i have power going to it?
If it is not amplified how can I add an amplifier?
I never took a TV with me until I had kids, (just a few years since then). Now, when it is raining outside I have found a need for some form of entertainment for the girls. I can only watch "The Little Mermaid" 25 times in a row before I need to watch something else.
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Old 09-09-2005, 04:54 PM   #16
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Originally Posted by pattersontoo
I am not familiar with TV antennas. Ask me anything about torsion axles and RV plumbing but I know nothing about TV antennas and amplifiers!
First of all, is my Skyliner an amplified antenna already? Where would I check to see if i have power going to it?
If it is not amplified how can I add an amplifier?
I never took a TV with me until I had kids, (just a few years since then). Now, when it is raining outside I have found a need for some form of entertainment for the girls. I can only watch "The Little Mermaid" 25 times in a row before I need to watch something else.

some of the later one's were amplified. Never seen one, but I suspect if you had an amp, you'd know it.

You can add the amp just like I did. Its a replacement to your 12v outlet/antenna connection. Wineguard makes them. It has the signal amplifier on a tiny p.c. board behind the plate. It draws its power from the 12v outlet. Most rv parts places will have the device.

for your skyliner, you'll probably need a gizmo that will adapt the 75ohm antenna lead to coaxial. either that, or replace the existing antenna lead wire w/ coaxial...(not an easy task, though. requires you to drop the ceiling. )

here's a link: http://www.dyersonline.com/pc-3030-2...amplifier.aspx

the pic is kind of small, there, but you may notice that there are 3 coaxial connectors on the back side of this thing. one is "in from antenna". one is "in from cable". If you have an external cable jack on the outside of your trailer, you can run the wire to this connector. Your tv can connect to the same wall jack, and receive signal from either the antenna, or the cable. I made a "poor-man's" cable connection by running a length of coax down behind the fridge, (my original 12v/tv jack is over the fridge; very easy to snake a cable down alongside the fridge flue vent), out the chicken-wire vent in the floor, then across the belly of the trailer over to the street-side wheel well. attached the cable to the belly with coax cable clips, screwed to the belly pan w/ sheet metal screws. Made a loop in the end of the cable and clipped it up out of site on the belly pan. the cable detaches from the last clip and hangs down about a foot, where you can easily attach an extension length of cable to connect up to a campground jack.
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Old 09-09-2005, 07:22 PM   #17
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Quote:
Originally Posted by niss1679
I assume the old Skyliner your referring to is my original antena?

Scott
Close. The Skyliner is the antenna that looks like a clothes tree on top of your trailer. I had a Batwing on my Argosy, it was the unamplified version, and it got better reception than a fellow forum member's Skyliner. We were parked in adjacent spaces, with no obstructions.
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Old 09-09-2005, 08:49 PM   #18
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Well, I cleaned up my original antena after work today. Of coarse when I was taking the two rusty screws out of the do thingy that my coaxle comes out and attaches to crumbled in my hand. Sh#@! I went to my local hardware store and found on the shelf a small VHF/UHF boxed connecter. It looked like its been there since the 70's. The box is only about 1.5" x 1.5" so it doesnt look bad up front. I connected the coaxle to it and mounted it, it should work OK? I had a choice of 75 ohm or 300 ohm, I picked the 300 ohm, more is better, right? I'll have to replace the sleeves that the thumb screws go in to hold the antena in the up position. Both of mine were plastic and cracked at the thumb screw. I need two, one 1 1/8" ID and one 1 1/4 ID. I found both sizes in aluminum tubing stock at the hardware store but I had to by 6' lengths, I only need 3/4" of each. I'll check with my metal fabricating contractor tomorrow for cut offs. They'll probably have thicker stock anyhow and better to tap theads into. Question, how do I attach the coaxle wire to the antena pole? Drill and solder? The cable wire fished through the chase behind the fridge and under the belly is a great idea. Im sure I'll be adding it to mine. Is the street side wheel well the best location for hook up at campgrounds? Oh well, probably to many questions.

Question recap -
UHF/VHF box - OK?
75 vs 300 ohm - better?
how to attach coaxle wire to antena?

As always, THANKS
Scott
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Old 09-09-2005, 10:14 PM   #19
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Originally Posted by niss1679
..... I had a choice of 75 ohm or 300 ohm, I picked the 300 ohm, more is better, right?
75 vs 300 ohm - better?
how to attach coaxle wire to antena?
68 Safari
Scott, the 75 ohm is for the coaxial cable. The 300 ohm is for the flat lead that was used years ago from roof top antennas.

Steve
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Old 09-10-2005, 02:11 AM   #20
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Quote:
Originally Posted by Sav'h Steve
Scott, the 75 ohm is for the coaxial cable. The 300 ohm is for the flat lead that was used years ago from roof top antennas.
Steve
If I may Steve,
The 300 ohm flat lead is the proper impedance for matching the older style TV antenna of the LogP design. BTW, internal line loss is considerably lower for 300 ohm vice 75 ohm.
There's nothing wrong with using 75 ohm coaxial cable lead as long as you use an impedance matching device at the base of the TV antenna.
I do believe all TV on the market today have a 75 ohm style input jack. TV antenna connection adapters are available for crossing over from 300 ohm to 75 ohm input to make the hookup easier.
I highly recommend one make use of a in-line preamp for either the older style LogP or newer batwing antenna. In this case, higher signal gain is better..
Satellite system requires another whole new thinking cap.
Due to the satellite TV system's design, there would be no circumstance where I'd ever entertain the use of a 300 ohm flat lead.
I will say this about coaxial cables used in Satellite TV system. I'm sure that all of us have, at one time or another, been parked next to someone using Satellite TV and, observed the large "rolls" of coaxial cable laying around. I'd recommend that you just make up several different cable length, like one that's 15 ft, another one for 20 ft etc, to have on hand for use as required.
When purchasing coaxial cable, just remember to ask for the highest grade, w/ the lowest line loss you can afford and, by all means, get the proper impedance cable as well for your system.
When using coaxial connectors, stay away from the internal crimping types.
The proper technique is to careful dress the outer braid and, solder the internal lead to the coaxial connector's pin. (No cold solder joints here!)
You'll end up with a much longer lasting connector on both ends.
Thanks Steve, for allowing me to jump in here..
ciao
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Old 09-10-2005, 06:37 AM   #21
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Thanks Steve & ciao,

I guess I made the right choice with the 300 ohm. My antena is original from 1968 and the wire is flat that runs from the antena to to A/S control center. I still have the 20' coil of wire that has the connector on it to plug it in to the control center. I think I'll try this out before investing in a new system. I'm going to add a cable line from the chase behind the fridge to the street side wheelwell though. I'm still not sure how to attach my flat wire to the antena?
Thanks, Scott
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Old 09-11-2005, 06:22 AM   #22
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I found what looks like 2 screw connecters on the top of my antena. Does anyone have wires running from the connection box mounted on the front to the top of their antena? Or is the connection at the base of the antena ploe?

Thanks, Scott
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