I've never put a dish up half together. I've always seen it done putting everything together then hoisting it up.
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Tue, Oct 19, 2010 at 12:09 PM, Tom DeReggi <[email protected]>wrote: > Actually not true in many cases. > If the distance is really long beyond site, such as 20-30miles, I'd agree. > But if say LOS within 10 miles or so on a clear day, its pretty easy. > > After our tech eye balls the alignment, I'll usually have the tech do a > fine align just in case we can improve it. BUt 9 out of 10 times, it was > not necessary and maybe we'll gain a half DB. > > The secret to aligning dishes is to look through the feed hole before the > feed is screwed in. (for example PAC wireless parabolic dish). You then home > in on the far side area aiming for, positionioned in cetner of hole, and > make sure the Ring around the hole appears equal size all around to verify > it is aligned. Because the hole has metal around it that has DEPTH, maybe > 1/4-1/2 inch, you can see the depth of this inside surface all around the > hole. > > As matter of fact, if we dont get our link budget acheieve and we need to > trouble shoot why, we check cables first, because the odds of having a bad > cable is higher than the tech getting the first alignment attempt wrong. > > Panels are harder to align, because looking from the side. > > Sure it can be harder to align a big dish with radome that does not have a > removable feed. > > Tom DeReggi > RapidDSL & Wireless, Inc > IntAirNet- Fixed Wireless Broadband > > > > ----- Original Message ----- > *From:* Josh Luthman <[email protected]> > *To:* WISPA General List <[email protected]> > *Sent:* Tuesday, October 19, 2010 11:34 AM > *Subject:* Re: [WISPA] PtP Dish Alignment > > That's not realistically possible. You would have to be extraordinarily > lucky to align that first dish without having any measurements. > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > > On Tue, Oct 19, 2010 at 11:28 AM, Mark Nash <[email protected]> wrote: > >> (sent a message a few minutes ago but through strange indicators I think >> it may not have sent out...sorry if it's a double-post) >> >> I'm trying to have 1 crew and not do the 2nd trip to the first tower. >> >> ----- Original Message ----- >> *From:* Josh Luthman <[email protected]> >> *To:* WISPA General List <[email protected]> >> *Sent:* Tuesday, October 19, 2010 8:28 AM >> *Subject:* Re: [WISPA] PtP Dish Alignment >> >> You would need more people then. You can't align the dish without both >> radios being powered. >> >> You could do two 3 man crews, one at each site. Both install at the same >> time and they should finish around the same time frame. Align before coming >> down at all. >> >> Josh Luthman >> Office: 937-552-2340 >> Direct: 937-552-2343 >> 1100 Wayne St >> Suite 1337 >> Troy, OH 45373 >> >> >> On Tue, Oct 19, 2010 at 11:26 AM, Greg Ihnen <[email protected]> wrote: >> >>> It looks like for around $150 you could get binoculars with a built in >>> magnetic compass that you see through the binoculars. Could you use the >>> binoculars to find an object on the horizon on the right azimuth and then >>> point the dish there? >>> >>> Greg >>> >>> On Oct 19, 2010, at 10:46 AM, Mark Nash wrote: >>> >>> Question: What tools do you use to blindly put up the first end of a >>> ptp without having a visual on the other side? >>> >>> Details: >>> >>> When deploying ptp dishes... One team doing both ends at different times. >>> >>> The first dish must be aligned without a connecting radio at the other >>> end. >>> >>> We know how to get uptilt/downtilt/azimuth from Radio Mobile. >>> >>> Uptilt/downtilt is easy to do with a simple gauge. Azimuth is a >>> different story. If you can see the site that you're aiming for, no big >>> deal, but what if you can't? >>> >>> We have a number of backhaul upgrades to do in the next few months, and >>> we have alot of fog here in the mornings this time of year. >>> >>> >>> >>> >>> -------------------------------------------------------------------------------- >>> WISPA Wants You! 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