The volt meter is a load, though. On 10/18/2012 2:57 PM, Chris Fabien wrote: > No current = no voltage drop. Ohms Law. > > On Thu, Oct 18, 2012 at 3:38 PM, Jeromie Reeves <jree...@18-30chat.net> wrote: >> The resistance of the length of wire. >> >> On Thu, Oct 18, 2012 at 11:03 AM, Greg Ihnen <os10ru...@gmail.com> wrote: >>> A voltage difference with no load? What's causing the drop? >>> >>> >>> On Thu, Oct 18, 2012 at 10:06 AM, Justin Wilson <li...@mtin.net> wrote: >>>> We see 27.3 volts at the battery. And 27.1 volts at the top with >>>> no load. >>>> Obviously load will have an impact on this. >>>> >>>> Justin >>>> >>>> -----Original Message----- >>>> From: Jeromie Reeves <jree...@18-30chat.net> >>>> Reply-To: WISPA General List <wireless@wispa.org> >>>> Date: Thursday, October 18, 2012 9:15 AM >>>> To: WISPA General List <wireless@wispa.org> >>>> Subject: Re: [WISPA] Another Ubiquity question >>>> >>>>> That depends on wire size. That distance is not going to be ethernet >>>>> so I will assume #12 AWG, 400ft, copper wire, etc. You should be >>>>> seeing a 5.6% drop under a 1amp load or about 25v under load. >>>>> >>>>> >>>>> On Thu, Oct 18, 2012 at 6:02 AM, Justin Wilson <li...@mtin.net> wrote: >>>>>> 27 volts at the base. DC has very little loss over 400-500 >>>>>> foot >>>>>> distances. We are seeing about .1 volt loss on a 400 foot run. >>>>>> >>>>>> -----Original Message----- >>>>>> From: Scott Lambert <lamb...@lambertfam.org> >>>>>> Reply-To: WISPA General List <wireless@wispa.org> >>>>>> Date: Thursday, October 18, 2012 12:16 AM >>>>>> To: <wireless@wispa.org> >>>>>> Subject: Re: [WISPA] Another Ubiquity question >>>>>> >>>>>>> On Wed, Oct 17, 2012 at 10:14:03PM -0400, Justin Wilson wrote: >>>>>>>> Many UBNT deployments running at 27volts of clean DC power. Not >>>>>>>> saying it's ideal but it works. >>>>>>> 27v at the ethernet port or 27v at the base of the tower? >>>>>>> >>>>>>> -- >>>>>>> Scott Lambert KC5MLE Unix >>>>>>> SysAdmin >>>>>>> lamb...@lambertfam.org >>>>>>> _______________________________________________ >>>>>>> Wireless mailing list >>>>>>> Wireless@wispa.org >>>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Wireless mailing list >>>>>> Wireless@wispa.org >>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>> _______________________________________________ >>>>> Wireless mailing list >>>>> Wireless@wispa.org >>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>> >>>> >>>> _______________________________________________ >>>> Wireless mailing list >>>> Wireless@wispa.org >>>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> >>> _______________________________________________ >>> Wireless mailing list >>> Wireless@wispa.org >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >> _______________________________________________ >> Wireless mailing list >> Wireless@wispa.org >> http://lists.wispa.org/mailman/listinfo/wireless > _______________________________________________ > Wireless mailing list > Wireless@wispa.org > http://lists.wispa.org/mailman/listinfo/wireless >
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