Now I have to ask, what is it in path profiles? Ive always used visual landmarks
On Mon, May 13, 2019 at 8:48 AM Chuck McCown <[email protected]> wrote: > I built a 5 meter earth station foundation wrong because the transit I > borrowed from the forest station had declination already dialed into the > compass and I adjusted for it a second time visually when laying out the > forms. > > Sent from my iPhone > > On May 13, 2019, at 6:30 AM, Brian Webster <[email protected]> > wrote: > > Magnetic declination depends on where in the world you are located and it > does change over time. Most topographic 7.5 minute quad maps show that > declination in the legend area. For me it’s about 12.5 degrees west of > north, in other areas like the pacific northwest it’s about 14 to 16 > degrees east of North. Important information to know. Years ago we had > drawings from an engineering firm that showed the declination from true to > magnetic but they put it in the wrong direction so the error on the > drawings was over 40 degrees (based on 1998 declinations) and as such the > tower antenna platform got installed wrong. > > > > A good map showing the details can be viewed here including the years as > to what declination was applied at the time. It does change over time. > Surveyors need to know this if they are trying to set property lines based > on an old legal description. > > > > https://maps.ngdc.noaa.gov/viewers/historical_declination/ > > > > > > Thank You, > > Brian Webster > > www.wirelessmapping.com > > www.Broadband-Mapping.com > > > > *From:* AF [mailto:[email protected] <[email protected]>] *On > Behalf Of *Ken Hohhof > *Sent:* Friday, May 10, 2019 6:58 PM > *To:* 'AnimalFarm Microwave Users Group' > *Subject:* Re: [AFMUG] Antenna Aligner > > > > You’re not making me less confused. > > > > Back when I was teaching cub scouts to use a compass, was I teaching them > a bunch of crap? > > > > > > *From:* AF <[email protected]> *On Behalf Of *SmarterBroadband > *Sent:* Friday, May 10, 2019 5:48 PM > *To:* 'AnimalFarm Microwave Users Group' <[email protected]> > *Subject:* Re: [AFMUG] Antenna Aligner > > > > 14 for me. > > > > *From:* AF [mailto:[email protected] <[email protected]>] *On > Behalf Of *[email protected] > *Sent:* Friday, May 10, 2019 3:18 PM > *To:* 'AnimalFarm Microwave Users Group' <[email protected]> > *Subject:* Re: [AFMUG] Antenna Aligner > > > > It is only 1 or 2 degrees where you live but it is probably 15 degrees > where Bill lives. > > > > *From:* Ken Hohhof > > *Sent:* Friday, May 10, 2019 4:14 PM > > *To:* 'AnimalFarm Microwave Users Group' > > *Subject:* Re: [AFMUG] Antenna Aligner > > > > Whenever I see the difference between magnetic and true north I get > confused about which one we’re supposedly using and decide 1 or 2 degrees > doesn’t matter on a 90 degree sector. Plus I get lazy and just align the > sectors to the tower faces or the roads. > > > > *From:* AF <[email protected]> *On Behalf Of *Daniel White > *Sent:* Friday, May 10, 2019 4:37 PM > *To:* AnimalFarm Microwave Users Group <[email protected]> > *Subject:* Re: [AFMUG] Antenna Aligner > > > > I've used the 3Z and Sunsight ones some. It was a few years ago though. > > Really it boils down if you want the screen on the device or to use your > phone or sometheneing else. I'd probably go with Sunsight personally, > but either are a good investment. > > > > <image002.jpg> <https://atheral.com/> > > *Daniel White* > > Co-Founder - Business Development & Operations > > direct: +1 (702) 470-2766 > > <image004.jpg> <https://www.facebook.com/getatheral> <image004.jpg> > <https://www.linkedin.com/company/atheral/> <image004.jpg> > <https://www.youtube.com/channel/UCpPZv-EsGCj8LXfzylwCrjQ> > > SmarterBroadband wrote on 5/10/19 15:28: > > Thinking of getting an Antenna Aligner for Sector and Dish alignment. > > > > Choices seem to be > > > > Multiwave Smart Aligner > > 3Z Telecom RF Vision > > Sunsight > > > > Anyone have experience of any of these? > > > > Thanks > > > > Adam > > > > > ------------------------------ > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
-- AF mailing list [email protected] http://af.afmug.com/mailman/listinfo/af_af.afmug.com
