That is correct - these are True North. > On May 13, 2019, at 10:26 AM, <[email protected]> <[email protected]> wrote: > > I believe path profiles and FCC licensing are true bearings. > > From: Steve Jones <> > Sent: Monday, May 13, 2019 8:22 AM > To: AnimalFarm Microwave Users Group <> > Subject: Re: [AFMUG] Antenna Aligner > > 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/ >>> <https://maps.ngdc.noaa.gov/viewers/historical_declination/> >>> >>> >>> Thank You, >>> Brian Webster >>> www.wirelessmapping.com <http://www.wirelessmapping.com/> >>> www.Broadband-Mapping.com <http://www.broadband-mapping.com/> >>> >>> From: AF [mailto:[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] <>] 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 >>> <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 >>> <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 >> <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
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