[Elecraft] Co-ax for the K2
Doug Person
doug at northroutt.net
Mon Nov 12 22:08:46 EST 2007
There are many types of cable designated RG-6 and RG-59. Many are not
designed to handle rf voltages typical of ham transmissions. My
suggestion is to be *careful* what you select. Good quality RG-59, the
type broadly used by hams many years ago, is hard to find right now.
We're not talking about what the cable companies are using - we're
talking about what you can buy at Wal-Mart or Home Depot.
Doug -- K0DXV
Mike Fatchett W0MU wrote:
> HUH???
>
> So cable companies are not transmitting down those lines?
>
> RG-6 cable can handle about 800 watts at 50mhz.
>
>
> On 11/12/07 6:00 PM, "Doug Person" <doug at northroutt.net> wrote:
>
>
>> I would be very careful about only using coax that is rated for RF
>> transmission. TV/CATV type RG-6 and RG-59 are designed for VHF/UHF
>> reception only.
>>
>> Doug -- K0DXV
>>
>> Kenneth E. Harker wrote:
>>
>>> On Mon, Nov 12, 2007 at 03:50:14PM -0800, Art Horne wrote:
>>>
>>>
>>>> Greetings,
>>>>
>>>>
>>>>
>>>> Can anyone recommend a WHITE coax for antenna lead of about 40-50? ? My XYL
>>>> is very fussy about wires showing and black sticks out like a sore thumb.
>>>> Would the coax used by TV cable installers work ok? I?m only running 100 W
>>>> max. That?s the only white coax I?ve seen.
>>>>
>>>>
>>> RadioShack has at least a 12' length of RG-58 with BNC conenctors in white:
>>> http://www.radioshack.com/product/index.jsp?productId=2104089&cp=&sr=1&origkw
>>> =rg-58+white&kw=rg-58+white&parentPage=search
>>> Maybe that would get you far enough to transition to black.
>>>
>>> The RF Connection web site says they sell RG-8X in white (see "9091"):
>>> http://www.therfc.com/coax.htm
>>>
>>>
>>>
>>>
>>>> Any suggestions would be greatly appreciated.
>>>>
>>>>
>>>>
>>>> 73?s,
>>>>
>>>>
>>>>
>>>> Art K6KFH
>>>>
>>>>
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>>>>
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