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 >>> >> >> > > >