Original version probably so....
Jaime Solorza
On Nov 3, 2015 7:00 PM, "Bill Prince" <part15...@gmail.com> wrote:
> Doesn't something like 90% of the current flow through the surface of
> copper wire? If that's true, a heliax of X diameter should flow 90% of a
> solid copper wire of the same diameter.
>
>
> bp
> <part15sbs{at}gmail{dot}com>
>
>
> On 11/3/2015 12:44 PM, Chuck McCown wrote:
>
> Depends on the size of the heliax. The larger stuff has a tube as center
> conductor. In any event just calculate the cross sectional area of the
> copper of the center conductor and you can compare that with a wire gauge
> chart.
>
> *From:* Adam Moffett <dmmoff...@gmail.com>
> *Sent:* Tuesday, November 03, 2015 1:08 PM
> *To:* af@afmug.com
> *Subject:* Re: [AFMUG] using heliax for DC power up tower?
>
> For equivalent wire gauge would you just compare the center conductor
> diameter to a wire gauge chart?
>
>
> On 11/2/2015 6:51 PM, Chuck McCown wrote:
>
> It is pretty easy to insert and remove power from a coax that also has RF
> on it too. Just a choke coil and capacitor at both ends. If you want
> details give me the frequency and what kind of power and I will design it
> for you.
>
> *From:* Jaime Solorza <losguyswirel...@gmail.com>
> *Sent:* Monday, November 02, 2015 4:49 PM
> *To:* Animal Farm <af@afmug.com>
> *Subject:* Re: [AFMUG] using heliax for DC power up tower?
>
>
> Yep .we used. LMR 400 to power custom made receive amps for WMux radios we
> modified long time ago.
>
> Jaime Solorza
> On Nov 2, 2015 3:51 PM, "Chuck McCown" <ch...@wbmfg.com> wrote:
>
>> Just make sure if you hook it up to 120 VAC main current you don’t put
>> the hot wire on the outer conductor of the coax...
>>
>> *From:* Ty Featherling <tyfeatherl...@gmail.com>
>> *Sent:* Monday, November 02, 2015 3:43 PM
>> *To:* af@afmug.com
>> *Subject:* Re: [AFMUG] using heliax for DC power up tower?
>>
>> Thanks all, great solution Josh!
>>
>> -Ty
>>
>>
>>
>> -Ty
>>
>> On Mon, Nov 2, 2015 at 4:38 PM, Chuck McCown <ch...@wbmfg.com> wrote:
>>
>>> You can run DC *or* AC over it.
>>>
>>> Think of it this way, 1000 watt ham radio puts 223 volts AC (at RF
>>> frequencies) on the coax and everything is just fine.
>>>
>>> All CATV systems put 60 or 90 volts AC on the line to power the amps.
>>>
>>> *From:* Ty Featherling <tyfeatherl...@gmail.com>
>>> *Sent:* Monday, November 02, 2015 2:09 PM
>>> *To:* af@afmug.com
>>> *Subject:* [AFMUG] using heliax for DC power up tower?
>>>
>>> Any reason I couldn't use 1/4" heliax I already have in place up a tower
>>> to run power to a POE switch?
>>>
>>> This is the stuff:
>>> https://www.tessco.com/products/displayProductInfo.do?sku=469162
>>>
>>> -Ty
>>>
>>
>>
>
>
>
