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Old 05-17-2015, 08:13 PM   #1
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Antenna

We have a 1977 Land Yacht. It has the old TV set up. We want to be able to use our newer TV but there is no screw in area for the cable/coax. We do not want to replace the antenna that is currently there if we do not have to.

ANY help or suggestions are so appreciated!!!


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Old 05-17-2015, 08:17 PM   #2
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http://www.amazon.com/RCA-VH58-Match...75+ohm+adapter
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Old 05-17-2015, 08:24 PM   #3
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As long as the wiring is OK with the above adapter the old christmas trees work fine.
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Old 05-17-2015, 08:31 PM   #4
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I apologize. But if we get the adapter. Where does it connect at? on the antenna on the roof or inside the trailer? Would we need to run a cable from the antenna to somewhere?

Again thanks for the help. New at this one


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Old 05-17-2015, 09:23 PM   #5
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There may be a white plastic outlet with a space for the two ends of the plug about 3/4 of an inch apart. If you don't have the plug that it goes into check behind the outlet and you should see the old fashioned flat tv antennae wire. An other alternative is to connect the adapter to the antenna wire on the roof. On one 70s Airstream I then ran the coaxial cable through the refrigerator roof vent.
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Old 05-18-2015, 05:32 PM   #6
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As Lumatic said you can place the 300 ohm to 75 ohm converter at any point.

If you place it at the antenna, be sure to get a weatherproof converter. They are readily available since many new antennas still require them.

If you use the existing 300 ohm flat ribbon cable, be sure it is in good condition, especially where it exits the roof. Sun and the passage of time can cause the plastic to deteriorate. 300 ohm cable is still available.
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Old 05-18-2015, 09:00 PM   #7
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Here is a picture of the Antenna on the 77. I believe it is original

Is this the 300 OM someone was speaking of or how would I tell?

Also is a picture of where I believe the cord/adapter I found goes and a picture.

We have a brand new TV. We will have a cable/coax from the back of the TV will I need to get an adapter to make it work with the cable shown in the picture??

If so what is it called and where would I get it?

I sure appreciate everyones help.

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Old 09-28-2015, 10:02 PM   #8
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did you get an answer for this, I just bought a 75 land yacht and want to put a new digital antenna on it
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Old 09-28-2015, 10:31 PM   #9
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Originally Posted by kosullivan View Post
did you get an answer for this, I just bought a 75 land yacht and want to put a new digital antenna on it
It looks like the original poster's thread sort of died out after they posted the pictures of their setup, but looking at the pictures, they have everything they need. The second picture shows the socket for the two-pin 300 Ohm cable outlet inside the trailer. The third picture shows a short length of 300 Ohm twin lead with the two-pin plug on one end that goes into the socket and an indoor 300 Ohm to 75 Ohm transformer that adapts the 300 Ohm twin lead to 75 Ohm coax cable. If the input to their TV is a coax cable with a plug on the end then all they need a Type F female-to-female adapter (commonly called a "barrel") to go between the male plug on the transformer to the male plug on the cable.

All this assumes that the old antenna and 300 Ohm twin lead inside the walls of the trailer are OK, which may or may not be true. If they need to replace it I would suggest putting a weatherproof 300 Ohm to 75 Ohm transformer right at the antenna terminals and figuring out a way to bring 75 Ohm coax the rest of the way into the trailer.
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