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10 posts

Wannabe Geek


Topic # 179283 3-Sep-2015 07:34
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what type of coaxial as was used back when multi-channel antennas where being installed, like that bendy thin type, i have been looking all over the web to find the name and cannot find it, all help needed, thanks

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Ultimate Geek
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  Reply # 1378707 3-Sep-2015 07:46
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75 ohm coaxial cable

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Master Geek
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  Reply # 1378709 3-Sep-2015 07:50
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Reply # 1378711 3-Sep-2015 07:53
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Sorry, bendy & thin but not really coaxial

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  Reply # 1378720 3-Sep-2015 08:10
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75 ohm cable I suspect

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  Reply # 1378728 3-Sep-2015 08:25
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AceKingGaming: what type of coaxial as was used back when multi-channel antennas where being installed, like that bendy thin type, i have been looking all over the web to find the name and cannot find it, all help needed, thanks


It's still 75Ohm impedance cables as standard (even for freeview), but the type of cable can be the flat type which seperates the 2 wires by about 1cm, or the cable in cable double insulated type which is really common now. Of course there are higher standards for freeview and the only passive approach (bang an antenna up) has given way to required powered inline amplifiers (I am in the shadow of Mt KauKau and can barely get freeview)

Remember there's no analog tv left in NZ, it's all digital now.... I expect it's only am/fm radio that's analogue now....




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  Reply # 1378753 3-Sep-2015 08:59
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300 Ohm Ribbon??



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Wannabe Geek


  Reply # 1379173 3-Sep-2015 15:25
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nah i mean the stuff that replaced the ribbon, i thought rg6 was 75 ohm aswell, and yea ik analog is gone, i want it for freeview hd because rg6 is too stiff and costs more i sspect.

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  Reply # 1379174 3-Sep-2015 15:27
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RG-59 75 Ohm coax




Matthew


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  Reply # 1379176 3-Sep-2015 15:28
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IIRC RG6 was less than $1 per meter at Radcliffe. 

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  Reply # 1379185 3-Sep-2015 15:33
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If you really want thin you could use RG-179, as long as the antenna is fairly close. You terminate it with BNC connectors and then put BNC to F adaptors on it.

PS you would have to be crazy to do this




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  Reply # 1379364 3-Sep-2015 19:25
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http://www.jaycar.co.nz/Wire%2C-Cable-%26-Accessories/Coaxial-Cable/RF-Antenna---75R/Belden-75-Ohm-Domestic-TV-Coax/p/WB2002


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  Reply # 1379475 4-Sep-2015 03:52
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Don't bother with 300 ohm ribbon type flat cable if you can even still find it anywhere. It will work about as good as a piece of string.

You really want RG6, if you need a flat cable to put it through a window gap etc , you use to be able to get an adapter which had a short flat section with F connectors on each end.

Like this
http://www.sadoun.com/Sat/Installation/Flat-coaxial.jpg





 




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Wannabe Geek


  Reply # 1379942 4-Sep-2015 18:48
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Apsattv: Don't bother with 300 ohm ribbon type flat cable if you can even still find it anywhere. It will work about as good as a piece of string.

You really want RG6, if you need a flat cable to put it through a window gap etc , you use to be able to get an adapter which had a short flat section with F connectors on each end.

Like this
http://www.sadoun.com/Sat/Installation/Flat-coaxial.jpg







#iknowribbonsucksmyhousehasaold100meterroolunderthere,mightuseitforpeakers



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Wannabe Geek


  Reply # 1379943 4-Sep-2015 18:49
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Apsattv: Don't bother with 300 ohm ribbon type flat cable if you can even still find it anywhere. It will work about as good as a piece of string.

You really want RG6, if you need a flat cable to put it through a window gap etc , you use to be able to get an adapter which had a short flat section with F connectors on each end.

Like this
http://www.sadoun.com/Sat/Installation/Flat-coaxial.jpg



ill be that flat thing is a REAL bottleneck, haha

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