we use skyhooks from roofing supply house to hold our balloons in place. theyre really designed for use when youre on the peak putting the ridge cap and theres nothing above you to hook your lanyard to
On Thu, Feb 25, 2021 at 3:50 PM Matt Hoppes < mattli...@rivervalleyinternet.net> wrote: > How did you keep the balloons in place? > > On 2/25/21 3:32 PM, Jaime Solorza wrote: > > We worked on a project where they used untethered balloons with radio > > transmitter for an oil field project. They used it while towers were > > erected for licensed 900MHz links... company was out of Phoenix area. > > They mostly did military related stuff... > > I think the balloons went up to 65k feet...the box with gear was small.. > > > > On Thu, Feb 25, 2021, 12:40 PM Jason McKemie > > <j.mcke...@veloxinetbroadband.com > > <mailto:j.mcke...@veloxinetbroadband.com>> wrote: > > > > Those tethers would be a nightmare for aviation. > > > > On Thu, Feb 25, 2021 at 1:31 PM Brian Webster > > <i...@wirelessmapping.com <mailto:i...@wirelessmapping.com>> wrote: > > > > One also has to calculate the window that your satellite is > > visible on the ground of your target service area based on the > > altitude you will have the bird orbiting. Many times any of the > > Amateur radio satellites only have a 10 or 15 minute window of > > visibility a few times a day. For 24/7 internet service you need > > to have many orbital object/satellites such that when one move > > out of view another is there for the handoff. The lower orbit > > you have, the smaller window you have. So a LEO small footprint > > coverage is still going to take a lot of satellites just to > > cover you small territory. How many all depends on the area and > > altitude. Since your satellite is not going to be in a > > stationary orbit, I am sure you need international cooperation > > to file for all the orbits you need to just cover your small > > footprint in the US because that orbit goes all the way around > > the earth and has effect on others who might need a similar > > orbit. A good portion of the time your satellite is flying > > through the sky for your local footprint, it’s not going to be > > doing much of anything because it’s not visible to any of your > > customers. Until we get some sort of tethered satellite solution > > that is tied to the ground and centrifugal force hold the > > satellite in place, these are the laws of physics one has to > > contend with. If someone can invest a very lightweight tethering > > string of some sort that when it is long enough the total weight > > of said string does not overcome the amount of centrifugal force > > achieved at your desired height to allow the radio/satellite to > > stay in place without needing to be an orbital object. If that > > is invested and it also allows for transmission of adequate > > power and data, that could be a real game changer. As far as I > > know 90,000 feet of something to be a good tether weighs more > > than the force that could keep the device flung out that far.____ > > > > __ __ > > > > File:Iridium Coverage Animation.gif____ > > > > __ __ > > > > Here is an animated version of this graphic > > > https://commons.wikimedia.org/wiki/File:Iridium_Coverage_Animation.gif____ > > > > __ __ > > > > If you want to get an idea of satellite visibilities and the > > number of times per day you can view it, this program is a great > > satellite prediction and tracking program > > http://gpredict.oz9aec.net/____ > > > > Gpredict: Free, Real-Time Satellite Tracking and Orbit > > Prediction Software____ > > > > __ __ > > > > Here is a short video that does a decent job of illustrating the > > complexity of orbital mechanics one has to consider. Earth > > rotation, orbit direction, power consideration if you want to be > > sun synchronous etc.____ > > > > https://www.youtube.com/watch?v=omv38sEBxk8&feature=emb_logo____ > > > > __ __ > > > > __ __ > > > > __ __ > > > > Thank you,____ > > > > Brian Webster____ > > > > www.wirelessmapping.com <http://www.wirelessmapping.com>____ > > > > __ __ > > > > *From:*AF [mailto:af-boun...@af.afmug.com > > <mailto:af-boun...@af.afmug.com>] *On Behalf Of *Carl Peterson > > *Sent:* Thursday, February 25, 2021 1:43 PM > > *To:* AnimalFarm Microwave Users Group > > *Subject:* Re: [AFMUG] Your Own Satellite Internet____ > > > > __ __ > > > > As Adam points out, your satellite isn't just going to float > > there. It needs a lot of speed. That speed would have it > > moving "past" you really really fast until you got to about 26k > > miles up where it would remain still relative to you. If you > > wanted it to float at 90k' you would need a balloon or something > > like that but that's a loony idea.____ > > > > ____ > > > > __ __ > > > > On Thu, Feb 25, 2021 at 12:34 PM Adam Moffett > > <dmmoff...@gmail.com <mailto:dmmoff...@gmail.com>> wrote:____ > > > > I know a guy I could ask. ____ > > > > On 2/25/2021 1:20 PM, Steve Jones wrote:____ > > > > can you get hot pockets on jail commissaries? ____ > > > > __ __ > > > > __ __ > > > > On Thu, Feb 25, 2021 at 12:08 PM Adam Moffett > > <dmmoff...@gmail.com <mailto:dmmoff...@gmail.com>> > > wrote:____ > > > > well....Aiming at thousand foot tower from close > > range customers we are definitely sometimes more > > than 3 degrees up. Put me in jail I guess.____ > > > > __ __ > > > > On 2/25/2021 1:02 PM, Matt Hopkins wrote:____ > > > > If I recall correctly it is illegal to aim a > > 5GHz radio > 3° above the horizon.____ > > > > __ __ > > > > On Thu, Feb 25, 2021 at 9:43 AM Matt Hoppes > > <mattli...@rivervalleyinternet.net > > <mailto:mattli...@rivervalleyinternet.net>> > > wrote:____ > > > > So here me out. I've been to low earth > > orbit (90,000 feet) with > > equipment I can get in my basement/hardware > > store. I've beamed signals > > back from 90,000 feet to a radio in my truck. > > > > I'm familiar with how AmSats work (although > > have not sent one up myself). > > > > What is preventing a WISP from putting > > together a solar powered GeoSync > > satellite that has a few Cambium Spots on it > > to fully cover your > > coverage area? > > > > Yes, you'd have capacity issues if you > > didn't plan it correctly, but is > > there technically any reason I can't run a > > 5GHz link to a satellite? > > Do you have to pay a "rental" fee to occupy > > a space in space to park > > your bird? > > > > Yes, I realize there would be latency, but > > if you keep the throughput > > there (something Hughes Doesn't Do), the > > experience wouldn't be half bad > > for most things.. > > > > -- > > AF mailing list > > AF@af.afmug.com <mailto:AF@af.afmug.com> > > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com____ > > > > __ __ > > > > -- > > AF mailing list > > AF@af.afmug.com <mailto:AF@af.afmug.com> > > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com____ > > > > __ __ > > > > -- > > AF mailing list > > AF@af.afmug.com <mailto:AF@af.afmug.com> > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com____ > > > > > > ____ > > > > __ __ > > > > -- ____ > > > > Carl Peterson____ > > > > *PORT NETWORKS*____ > > > > 401 E Pratt St, Ste 2553____ > > > > Baltimore, MD 21202____ > > > > (410) 637-3707 ____ > > > > -- > > AF mailing list > > AF@af.afmug.com <mailto:AF@af.afmug.com> > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > -- > > AF mailing list > > AF@af.afmug.com <mailto:AF@af.afmug.com> > > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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