My brother who is an engineer for Raytheon always tells me to be careful on military sites...told him I don't work actual sites..... but always stays in back of mind. On Feb 6, 2016 5:16 PM, "Chuck McCown" <[email protected]> wrote:
> I would not want to stand near a feedhorn connected to a 1200W signal > source. > Toasty... > I asked my eye doctor about cataracts caused by microwave exposure. He > did some research and came up with nothing but I swear I read many WWII > radar techs got cataracts. > > *From:* Eric Kuhnke <[email protected]> > *Sent:* Saturday, February 06, 2016 5:03 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] Mimosa B11 > > Wait until they discover troposcatter and modern troposcatter modems (the > US military uses them, and a few other NATO countries). You need dual > diversity dishes on each end and they have to be immense. There's lots of > old abandoned troposcatter stuff in northern Alaska and the Yukon, Nunavut > which provided remote-site radar data links to the SAGE network. > > google image search alaska tropo scatter: > > > https://www.google.com/search?q=alaska+tropo+scatter&num=100&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjFq-7KrOTKAhUP6WMKHcSXDTgQ_AUIBygB&biw=1067&bih=730 > > > http://www.comtechsystems.com/products-systems/troposcatter-hardware/ > > http://www.comtechsystems.com/product/cs67200i-modem/ > > > you thought some licensed band 6 GHz stuff had a high EIRP with 8' > dishes... Imagine putting a 1200W amplifier (which is about a 4000W > electrical load, a lot is lost to heat) into the feed of a 25 foot dish > feed. > > On Sat, Feb 6, 2016 at 9:09 AM, Ken Hohhof <[email protected]> wrote: > >> Isn’t there a NY-Chicago HFT link using skywave propagation at HF or VHF >> frequencies? I know there’s a big antenna that looks like a ham radio >> antenna on a tower near the CME in Aurora. >> >> >> *From:* Mike Hammett <[email protected]> >> *Sent:* Saturday, February 06, 2016 10:56 AM >> *To:* [email protected] >> *Subject:* Re: [AFMUG] Mimosa B11 >> >> *nods* these guys have redundant networks with 80 GHz, 23\18 GHz, 11\6 >> GHz, fiber, diverse fiber, etc. >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions <http://www.ics-il.com/> >> <https://www.facebook.com/ICSIL> >> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> >> <https://www.linkedin.com/company/intelligent-computing-solutions> >> <https://twitter.com/ICSIL> >> Midwest Internet Exchange <http://www.midwest-ix.com/> >> <https://www.facebook.com/mdwestix> >> <https://www.linkedin.com/company/midwest-internet-exchange> >> <https://twitter.com/mdwestix> >> The Brothers WISP <http://www.thebrotherswisp.com/> >> <https://www.facebook.com/thebrotherswisp> >> >> >> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> >> ------------------------------ >> *From: *"Rory Conaway" <[email protected]> >> *To: *[email protected] >> *Sent: *Saturday, February 6, 2016 10:54:50 AM >> *Subject: *Re: [AFMUG] Mimosa B11 >> >> I know a company that was running an 80GHz link in Vegas out to 8.1 miles >> but if someone spit in the air in the path it went down. This is also why >> they aren’t in business any more besides the inept management. >> >> >> >> Rory >> >> >> >> *From:* Af [mailto:[email protected]] *On Behalf Of *Mike Hammett >> *Sent:* Saturday, February 6, 2016 8:50 AM >> *To:* [email protected] >> *Subject:* Re: [AFMUG] Mimosa B11 >> >> >> >> Yup, there's a ton of HFT guys doing crazy things. 80 GHz links 10 miles >> long. I beleive I recall an 18 mile 23 GHz link. They really stretch things >> out... >> >> You can clear the lake when you launch of 1k' buildings. :-) >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions <http://www.ics-il.com/> >> <https://www.facebook.com/ICSIL> >> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> >> <https://www.linkedin.com/company/intelligent-computing-solutions> >> <https://twitter.com/ICSIL> >> Midwest Internet Exchange <http://www.midwest-ix.com/> >> <https://www.facebook.com/mdwestix> >> <https://www.linkedin.com/company/midwest-internet-exchange> >> <https://twitter.com/mdwestix> >> The Brothers WISP <http://www.thebrotherswisp.com/> >> <https://www.facebook.com/thebrotherswisp> >> >> >> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> >> ------------------------------ >> >> *From: *"Eric Kuhnke" <[email protected]> >> *To: *[email protected] >> *Sent: *Friday, February 5, 2016 2:32:06 PM >> *Subject: *Re: [AFMUG] Mimosa B11 >> >> High frequency trading :-( >> >> On Feb 5, 2016 12:21 PM, "Bill Prince" <[email protected]> wrote: >> >> According to the FCC WQTY273 belongs to Geodesic Networks LLC. >> >> >> <http://wireless2.fcc.gov/UlsApp/UlsSearch/results.jsp;JSESSIONID_ULSSEARCH=nLw7W1DVqvX195sHmH8nMWcGwbhfG2DdyKNpQtjnGnt7mdfv8ygs%2168218003%21-717285941> >> http://wireless2.fcc.gov/UlsApp/UlsSearch/results.jsp;JSESSIONID_ULSSEARCH=nLw7W1DVqvX195sHmH8nMWcGwbhfG2DdyKNpQtjnGnt7mdfv8ygs!68218003!-717285941 >> >> bp >> >> <part15sbs{at}gmail{dot}com> >> >> >> >> On 2/5/2016 12:18 PM, Eric Kuhnke wrote: >> >> Whose are those long links shooting east-west across the lake? >> >> On Feb 4, 2016 7:48 PM, "Mike Hammett" <[email protected]> wrote: >> >> I don't have many places where I can even get a half of that. >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions <http://www.ics-il.com/> >> <https://www.facebook.com/ICSIL> >> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> >> <https://www.linkedin.com/company/intelligent-computing-solutions> >> <https://twitter.com/ICSIL> >> Midwest Internet Exchange <http://www.midwest-ix.com/> >> <https://www.facebook.com/mdwestix> >> <https://www.linkedin.com/company/midwest-internet-exchange> >> <https://twitter.com/mdwestix> >> The Brothers WISP <http://www.thebrotherswisp.com/> >> <https://www.facebook.com/thebrotherswisp> >> >> >> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> >> ------------------------------ >> >> *From: *"Josh Luthman" <[email protected]> >> *To: *[email protected] >> *Sent: *Thursday, February 4, 2016 8:54:54 PM >> *Subject: *Re: [AFMUG] Mimosa B11 >> >> 160 MHz? Must be nice. >> >> Josh Luthman >> Office: 937-552-2340 >> Direct: 937-552-2343 >> 1100 Wayne St >> Suite 1337 >> Troy, OH 45373 >> >> On Feb 4, 2016 9:52 PM, "Rory Conaway" <[email protected]> wrote: >> >> 5 miles >> 2x80 >> 3' >> 2ms >> 980Mbps >> >> >> >> -----Original Message----- >> From: Af [mailto:[email protected]] On Behalf Of Matt >> Sent: Wednesday, February 03, 2016 6:18 PM >> To: [email protected] >> Subject: Re: [AFMUG] Mimosa B11 >> >> > We have one of the links up and it’s been solid. I haven’t touched it >> > since it went in a couple months ago. >> >> What is distance, channel size, dish size, latency and throughput? >> >> >> > >> > >> > >> > From: Af [mailto:[email protected]] On Behalf Of Mathew Howard >> > Sent: Wednesday, February 03, 2016 3:08 PM >> > To: af <[email protected]> >> > Subject: Re: [AFMUG] Mimosa B11 >> > >> > >> > >> > hmm... I probably don't want to put one up before Q2 anyway... I >> > suppose I should start working on getting it licensed fairly soon. >> > >> > >> > >> > On Wed, Feb 3, 2016 at 3:26 PM, Tyson @ Internet Communications Inc >> > (ICI) <[email protected]> wrote: >> > >> > Waiting for six full links >> > >> > >> > >> > I got a call and was told they have pushed the date back again. EOM? >> > >> > >> > >> > >> > >> > >> > >> > Tyson Burris, President >> > Internet Communications Inc. >> > 739 Commerce Dr. >> > Franklin, IN 46131 >> > >> > 317-738-0320 Daytime # >> > 317-412-1540 Cell/Direct # >> > Online: www.surfici.net >> > >> > >> > >> > Forgive the brevity, the typos and my fat fingers! >> > >> > >> > On Feb 3, 2016, at 3:30 PM, Mathew Howard <[email protected]> wrote: >> > >> > Are these things shipping yet, and is anyone here using them? >> > >> > >> >> >> >> >> >> >> >> > >
