The cable you’re describing sounds more like RG-142 than RG-400. They look
similar. RG-142 has a solid beryllium copper center conductor that is prone to
fracture if flexed repeatedly.
tnx
Mike / W5JR
Alpharetta GA
> On Mar 14, 2019, at 8:48 AM, N4ZR <n4zr@comcast.net> wrote:
>
> Oops. I did some more dissecting on the cable, and I'm wrong about the
> shielding. That leaves only the absence of printing - this is advertised as
> Harbour Industries RG-400 - and its stiffness. This stuff is quite hard to
> bend in even an 8" coil. Can anyone who has used real RG-400 confirm whether
> it feels supple and flexible to the touch? I have one jumper in my station
> that looks like the same stuff, but which is very supple. I bought it at
> Dayton a few years aho, already connectorized. I can believe a 1" minimum
> bend radius with it, but not with the stuff from China.
>
> 73, Pete N4ZR
> Check out the Reverse Beacon Network
> at <http://reversebeacon.net>, now
> spotting RTTY activity worldwide.
> For spots, please use your favorite
> "retail" DX cluster.
>
>> On 3/13/2019 9:51 AM, N4ZR wrote:
>>
>> I just bought 10 feet of RG-400U (supposedly Harbour Industries) through
>> E-bay for $13. Belatedly, I learned it was coming from China. It's now
>> here, but I don't think it is for real - it only has one shield, and is
>> somewhat stiff. At least the inner conductor isn't magnetic.There's no
>> printing on the cable.
>>
>> Buyer beware.
>>
>>
>> 73, Pete N4ZR
>> Check out the Reverse Beacon Network
>> at<http://reversebeacon.net>, now
>> spotting RTTY activity worldwide.
>> For spots, please use your favorite
>> "retail" DX cluster.
>>> On 3/12/2019 11:35 PM, Wayne Kline wrote:
>>> I third the sugjestion of the RG400 small enough for all the switching
>>> in a more then one radio setup.
>>>
>>> The tight bend radius the small diameter make for a clean instlation that
>>> coupled with the double shielding it’s a WIN WIN
>>>
>>> Watch Ebay or other surplus suppliers
>>>
>>>
>>>
>>> Wayne W3EA
>>>
>>>
>>>
>>> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows
>>> 10
>>>
>>>
>>>
>>> ________________________________
>>> From: CQ-Contest<cq-contest-bounces@contesting.com> on behalf of charlie
>>> carroll<k1xx@k1xx.com>
>>> Sent: Tuesday, March 12, 2019 10:23:06 PM
>>> To:cq-contest@contesting.com
>>> Subject: Re: [CQ-Contest] Station Re-Build - Coax
>>>
>>> Keith:
>>> A couple very similar candidate cables are RG-400 and RG-303. RG-400 is
>>> double shielded while 303 is single. They're good as interconnects
>>> because they have a small bend radius (about 1"). RG-400 uses
>>> multi-strands of copper for the center conductor; RG-300 uses copper
>>> clad steel. Either will handle 1500 watts at HF.
>>>
>>> 73 charlie, k1xx
>>>
>>>> On 3/12/2019 7:51 PM, Keith Dutson wrote:
>>>> My multi-two station, with third spotting station, is being rebuilt into
>>>> new
>>>> digs. I have a lot of 3-4 foot RG213 cables running between the amp, power
>>>> meter, tuner and switch. I have heard there may be a smaller cable that
>>>> has
>>>> very little loss, but handles 1500 watts. I would appreciate any comments
>>>> on what is being used today. Thanks.
>>>>
>>>> 73, Keith NM5G
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>>>>
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