My problem with these types of calculations is that my downtime always seems to happen all at once.
> On Oct 20, 2017, at 11:01, <[email protected]> <[email protected]> wrote: > > Lesseee 365.25*24*60 = 525960 minutes. > .99999 uptime = = .00001 downtime > > Move the decimal 5 places = 5.296 minutes per year > 25.9 seconds per month. > > So should drop for a second a day or perhaps for half a minute a month or 7 > seconds a week etc etc. > Be interesting to see what folks in Seattle actually see. > > > From: Mike Hammett > Sent: Friday, October 20, 2017 5:36 AM > To: [email protected] > Subject: Re: [AFMUG] IgniteNet Metrolinq > > ===== > that is good for five nines reliability at 500 to 650 meters in a > Seattle-like rain zone. Somewhat less distance in places that have higher > mm/hour rain rates. These are serious products that take direct 48VDC power, > singlemode fiber connections, and have dedicated management interfaces. > ===== > > IgniteNet does all of that too. > > > > ----- > Mike Hammett > Intelligent Computing Solutions > > Midwest Internet Exchange > > The Brothers WISP > > > > > From: "Eric Kuhnke" <[email protected]> > To: [email protected] > Sent: Thursday, October 19, 2017 5:52:52 PM > Subject: Re: [AFMUG] IgniteNet Metrolinq > > Please don't let your impression of 60 GHz be influenced by IgniteNet's silly > USB dongle in front of a reflector, cheap stuff... > > Bridgewave (REMEC/Mosely) and others make much more expensive, carrier grade, > fiber-connected 60 GHz PTP equipment that is good for five nines reliability > at 500 to 650 meters in a Seattle-like rain zone. Somewhat less distance in > places that have higher mm/hour rain rates. These are serious products that > take direct 48VDC power, singlemode fiber connections, and have dedicated > management interfaces. > > "serious" 60 GHz equipment is built to the same standards as $15,000 80 GHz > links and is used by a lot of large ISPs. Most of whom don't consider > themselves to be WISPs, but rather ISPs that happen to use PTP millimeter > wave when it is necessary or justified. > > I have not personally seen a Metrolinq 60 GHz but I have seen photos of one > disassembled, and it is literally a USB 802.11ad 60 GHz dongle hot glued to a > plastic thing in front of a reflector. Scary. > > > > > >> On Thu, Oct 19, 2017 at 3:45 PM, Chuck McCown <[email protected]> wrote: >> Well hell, that is almost TMI. I expected as such from this band. Sounds >> like if they increase the sensitivity of the switchover mechanism it would >> be a contender. >> >> From: Matt Hoppes >> Sent: Thursday, October 19, 2017 4:38 PM >> To: [email protected] >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> Let me back up. >> >> We lose our IN link every time a bird pees. It generally holds up during >> torrential down pours. >> >> Random fog events will cause it to become trashed. >> >> The link is .6 miles. I expected it to fade from time to time. The problem >> for me is the fail over does not happen properly. >> >> It's a gosh darn USB dongle attached to a reflector dish. Don't expect too >> much out of it. >> >> On Oct 19, 2017, at 18:28, Rory Conaway <[email protected]> wrote: >> >> How far is your shot? What channel are you using? >> >> >> >> Rory >> >> >> >> From: Af [mailto:[email protected]] On Behalf Of Matt Hoppes >> Sent: Thursday, October 19, 2017 3:26 PM >> To: [email protected] >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> >> >> I disagree. We lose our IN link every time it rains. And the 5GHz does not >> fail over seemleasly at all. >> >> >> >> There is packet loss and high pings until the 60GHz finally dies. Then it >> sometimes flips. >> >> >> On Oct 19, 2017, at 17:56, Mike Hammett <[email protected]> wrote: >> >> If a bunch of folks deploy it and do so correctly, there won't be >> complaining. ;-) >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions >> >> Midwest Internet Exchange >> >> The Brothers WISP >> >> >> >> >> From: "Chuck McCown" <[email protected]> >> To: [email protected] >> Sent: Thursday, October 19, 2017 4:55:08 PM >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> I ain’t belivin nuthing until a bunch of folks have deployed this stuff and >> start complaining about it. Then we will have believable data. >> >> >> >> From: Mike Hammett >> >> Sent: Thursday, October 19, 2017 3:32 PM >> >> To: [email protected] >> >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> >> >> https://transition.fcc.gov/Bureaus/Engineering_Technology/Documents/bulletins/oet70/oet70a.pdf >> >> page 7 vs. page 15 >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions >> >> Midwest Internet Exchange >> >> The Brothers WISP >> >> >> >> >> From: "Chris Wright" <[email protected]> >> To: [email protected] >> Sent: Thursday, October 19, 2017 4:28:48 PM >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> Between 50-80GHz, oxygen attenuates the EM spectrum significantly more than >> water. Not to say that it doesn’t contribute at all to fade, but at 300 >> meters you’d probably only ever go down if Poseiden himself took offense to >> your client. >> >> >> >> http://windowsil.org/wp-content/uploads/2008/03/atm_absorption.gif >> >> >> >> Chris Wright >> >> Network Administrator >> >> >> >> From: Af [mailto:[email protected]] On Behalf Of Adam Moffett >> Sent: Thursday, October 19, 2017 1:19 PM >> To: [email protected] >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> >> >> This link would be just under 300 meters. Will I ever go down for rain? >> >> >> >> >> >> ------ Original Message ------ >> >> From: "Mike Hammett" <[email protected]> >> >> To: [email protected] >> >> Sent: 10/19/2017 4:17:00 PM >> >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> >> >> Yes, it's still an issue. To say otherwise is dumb. >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions >> >> Midwest Internet Exchange >> >> The Brothers WISP >> >> >> >> >> From: "Adam Moffett" <[email protected]> >> To: [email protected] >> Sent: Thursday, October 19, 2017 3:16:09 PM >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> Is rain fade an issue? >> >> >> >> I just read an article claiming that the atmospheric attenuation at 60ghz is >> so great that at any range where 60ghz will operate the rain fade is >> insignificant. >> >> >> >> >> >> ------ Original Message ------ >> >> From: "Carl Peterson" <[email protected]> >> >> To: "[email protected]" <[email protected]> >> >> Sent: 10/19/2017 2:58:56 PM >> >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> >> >> Yes, and the LR brackets. They should just drop the regular bracket and >> make everyone order the decent ones. >> >> >> >> On Thu, Oct 19, 2017 at 2:46 PM, Adam Moffett <[email protected]> wrote: >> >> At 1300m will I really need a scope to align it? >> >> >> >> >> >> ------ Original Message ------ >> >> From: "Chris Wright" <[email protected]> >> >> To: [email protected] >> >> Sent: 10/19/2017 2:41:28 PM >> >> Subject: Re: [AFMUG] IgniteNet Metrolinq >> >> >> >> I have a 1300 meter link on PTP60-35 radios doing -59/-61. Very happy with >> them. The mounts they come with are trash. Get the “long range” brackets and >> alignment scope. >> >> >> >> Chris Wright >> >> Network Administrator >> >> >> >> From: Af [mailto:[email protected]] On Behalf Of Adam Moffett >> Sent: Thursday, October 19, 2017 11:12 AM >> To: [email protected] >> Subject: [AFMUG] IgniteNet Metrolinq >> >> >> >> I have a microwave shot about 3 blocks long, so 60ghz seems like an option. >> >> >> >> Have any of you tried IgniteNet? Has it been reliable for you? >> >> >> >> I don't actually need a gigabit in this case, I just need it to be up. >> >> >> >> >> >> >> >> >> >> >> -- >> >> Carl Peterson >> >> PORT NETWORKS >> >> 401 E Pratt St, Ste 2553 >> >> Baltimore, MD 21202 >> >> (410) 637-3707 >> >> >> >> >> >> >> > > >
