[Dprglist] off topic - wind map

[Karim Virani]

Thanks for the heads-up. The module I'm using certainly is expensive
compared to that, but the goal is to provide corrections to enable
centimeter level accuracy for a rover - so it pretty much needs an RTK
engine. It's also helpful to have multiband and all the constellations. Mo
signal == mo better. I've had pretty good experiences with the F9P and am
sticking with it for now, even though there are slightly cheaper RTK
options available.

On Wed, Dec 30, 2020 at 2:16 PM Tom Brusehaver <cozytom at gmail.com> wrote:

> If you want a cheaper GPS module, I used a ublox 7m that didn't work on my
> drone. These are also on eBay for about $15.
>
> http://enginemonitor.blogspot.com/2020/09/gps-module.html?m=1
>
>
>
> On Wed, Dec 30, 2020, 2:04 PM Ed Okerson via DPRGlist <
> dprglist at lists.dprg.org> wrote:
>
>> Karim,
>>
>> I have been contemplating a similar installation. What wifi AP's did you
>> go with?
>>
>> Ed
>>
>> On 2020-12-29 22:58, Karim Virani via DPRGlist wrote:
>> > The GPS will be an RTK base station published on rtk2go. It's using a
>> > ublox F9P receiver connected to this antenna.
>> > https://www.sparkfun.com/products/17382
>> >
>> > The weather station is one of the cheaper options I found on Amazon
>> > https://www.amazon.com/gp/product/B01N5TEHLI - it was more of a
>> > nice-to-have afterthought since I knew I needed to put a mast up above
>> > the trees. So it's a lower priority. But the weather station wants to
>> > be on top of the pole - so I'll have to Tee or fork the top because I
>> > want the GPS antenna unobstructed. I don't really care if the wind
>> > speed or direction is affected a little by the GPS extension but
>> > probably don't want to obstruct the solar cell.
>> >
>> > Also putting 3 outdoor directional wifi APs a bit lower on the pole.
>> >
>> > It will all be chimney mounted ending up at least 12ft above the
>> > highest parts of the roof and all nearby trees. The hardest part right
>> > now seems to be sourcing the right pole with a custom mount and
>> > capable of being rigid enough without buckling under max wind loads.
>> > Probably going with a 2" 8 gauge 6061 tube.
>> >
>> > On Tue, Dec 29, 2020 at 9:01 PM Gil <gilcarrick at gmail.com> wrote:
>> >
>> >> I would like to hear more about your GPS base station slash weather
>> >> station.
>> >>
>> >> --
>> >>
>> >> Gil
>> >>
>> >> web page: http://gilcarrick.com/agc/
>> >>
>> >> Gil Carrick, 1012 Portofino Dr., Arlington, TX, 76012
>> >>
>> >> 817-994-9213 (cell) gil.carrick (Skype)
>> >>
>> >> From: DPRGlist <dprglist-bounces at lists.dprg.org> On Behalf Of Karim
>> >> Virani via DPRGlist
>> >> Sent: Tuesday, December 29, 2020 4:47 PM
>> >> To: dprglist <dprglist at dprg.org>
>> >> Subject: [Dprglist] off topic - wind map
>> >>
>> >> I was looking for a map of prevailing winds in Dallas while
>> >> designing a mast for a GPS base-station antenna and weather station
>> >> combo. I stumbled across this map of current wind conditions. Just
>> >> found it very beautiful/compelling and decided to share:
>> >>
>> >> http://hint.fm/wind/
>> >>
>> >> -Karim
>> >>
>> >> ps. I subsequently found a wind rose plot for Ft. Worth that gave me
>> >> the answer I needed and it was the expected due South as the highest
>> >> frequency direction.
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>
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