Only have 10' of site survey section ? ---------- Original Message ---------------------------------- From: Rick Kunze <[EMAIL PROTECTED]> Reply-To: [EMAIL PROTECTED] Date: Wed, 05 Nov 2003 08:51:46 -0800
>I'm using the following: > >In the bed of my pickup, I mounted the tilt base for a Rohn 25G just behind >the cab. On that I put the top 25G section that comes together at the top >for a mast. In the mast pipe I slid a 10'er of 1.25 mast material >(thinwall pipe) with a 24dBi grid on it, and an APPO. In the truck is my >laptop with DeLorme Topo software and a Garmin GPS on the dash plugged into >the laptop. On the topo map is a mark where my tower is. I go out to the >customer's location and (using GPS) I mark a spot on the map then draw a >line back to my tower. This gives compass heading. I lower the tailgate >of my truck, extend the 10'er and clamp it down, then tilt the whole thing >up watching for over head power lines. (Important safety tip!) Then using >Simplemonitor I can read signal strength. (I have the mac of my truck's >APPO listed on all APs everywhere for obvious reasons. This method makes >for a few extra steps but the upside is that it generates a map of all your >customers. > >Works like a charm. > >Rk > >At 05:20 PM 11/4/2003, you wrote: >>Derek, "how high" is a good question. The shorter the better for my >>bottom line, and since most customers are considerably close, I don't >>think I need to get crazy with it. >> >>Without getting into detail, the location is on a valley floor and the >>main issue is foliage. The field I'm intending to locate a tower is >>clear of trees for about 500 feet is all directions (actually, the >>direction I'll need to point the antenna. I'd assume there is less than >>25' variance on the valley floor, but some customers would be on either >>hillside. >> >>Speaking of topography, I'd assume the only *real* way of surveying is >>first with a GPS, then with a access point and a simulated CPE (a jeep >>or the such). I have pretty much all the equipment to do so, but it begs >>the question: How-T-F do I get an AP temporarly raised to an elevation >>like we're talking? Am I barking up the wrong tree (i.e., should I do >>some math and make estimations that "at x feet it should broadcast y >>distance, with LOS") >> >>By the way, has anyone used topo software with any success? I've tried >>Garmin's TopoUSA, and while its cool, it lacks the detail I think I'd >>need. >> >>-- >>Aaron Bennett >>(707) 527-5997 >>[EMAIL PROTECTED] >> >> >> >>-----Original Message----- >>From: [EMAIL PROTECTED] >>[mailto:[EMAIL PROTECTED] On Behalf Of Breiland, Derek >>Sent: Tuesday, November 04, 2003 4:26 PM >>To: '[EMAIL PROTECTED]' >>Subject: RE: [smartBridges] OT: AP tower >> >> >>How high do you think you need to be? A 80' Trylon guyed tower is >>$2400.00 list without installation - 96'is $2,800.00. When looking >>around E-bay for used tower it seems that there are often towers in CA >>that have been taken down and are being sold. You do not have to be >>tall at all to get .2 to 1.8 miles away depending on ground >>elevation/tree height/and structure obstruction which it does not sound >>like there is any or you would not be asking this question. >> >>Trylon makes a decent tower for the price (www.trylon.com) especially if >>no need to go real large. Guyed and self supporting. >> >>A silo may be useful if you have a local farmer who would want to rent >>the storage space from you to help pay for it, but I do not thin >>inexpensive unless you can find a used one. >> >>-----Original Message----- >>From: Aaron Bennett [mailto:[EMAIL PROTECTED] >>Sent: Tuesday, November 04, 2003 4:47 PM >>To: [EMAIL PROTECTED] >>Subject: [smartBridges] OT: AP tower >> >>Hey all, >> >>I can't say how informative this mailing list has been... I've been >>holding my question for a while to get a better grip on everything. >>Here's my deal: >> >>I am planning on beginning WISP operations in a fairly rural town in >>Northern California. I have run some numbers and it all seems feasible, >>but there are a number of variables I was curious if someone had more >>information about. I've priced out a T1 line (which seems to be the >>least expensive way to start, and I'm sure I'll be able to fill it with >>enough subscribers to return investment. >> >>I've been searching for suitable locations for my main antenna (or at >>least the one that I'll start with). Unfortunately, I have not found a >>suitable structure for elevation, although I have found an excellent >>location that a structure could be made/placed. The site is outside the >>end of town, allowing me to broadcast in one direction. The bulk of all >>subscribers would fall within .2 to 1.8 miles away. >> >>Because there is no structure existing, I was curious what someone may >>use as a structure. I was considering finding an old farm windmill, and >>placing an APPO + 90* sector on that. I am fortunate enough to have >>power at this location, and a property less than 500 feet away that >>could serve as my NOC. >> >>I figured that an old metal frame windmill would be a) fairly >>inexpensive, b) good height (80'? Or so?) and c) easier to explain than >>something looking like a cell tower or the such. Does anyone have >>opinion on this? Also, if there's anyone in northern CA that has >>experience with what legal limits are for structures, or what kind of >>permits are necessary, I would be eternally grateful. >> >>Sorry for the somewhat OT post; I am, however, planning on using SB >>equipment. I've played a little on a aBO and it seems suitable for what >>I envision. >> >>-- >>Aaron Bennett >>[EMAIL PROTECTED] >> >> >>The PART-15.ORG smartBridges Discussion List >>To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe >>smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in >>the body type unsubscribe >>smartBridges) >>Archives: http://archives.part-15.org >>The PART-15.ORG smartBridges Discussion List >>To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe >>smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in >>the body type unsubscribe smartBridges) >>Archives: http://archives.part-15.org >> >> >>The PART-15.ORG smartBridges Discussion List >>To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe >>smartBridges <yournickname> >>To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe >>smartBridges) >>Archives: http://archives.part-15.org > > >The PART-15.ORG smartBridges Discussion List >To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges ><yournickname> >To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) >Archives: http://archives.part-15.org >--- >[This E-mail scanned for viruses by Declude Virus By Avolve.net] > > --- [This E-mail scanned for viruses by Declude Virus By Avolve.net] The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org
