You are spending more then on both cable and antenna than you need... -----Original Message----- From: S Woodside [mailto:[EMAIL PROTECTED] Sent: Tuesday, July 01, 2003 8:37 PM To: Factor 5 Cc: [EMAIL PROTECTED]; Patrick Leary Subject: Re: [BAWUG] A few little trees - wheres my saw gone
Well I suppose you could buy an 18 dBi and then just add a few meters of LMR 400 if it's too strong? simon On Tuesday, July 1, 2003, at 08:31 PM, Factor 5 wrote: > I agree with you Patrick. I'm running in to the same dilemma. It's not > like there are antenna retailers around the corner I can turn to. I can > either buy a 8dbi antenna from say... Supperpass, try to shoot thru > some > trees with it, it fails, then order a 12dbi, and then an 18dbi. What > I'll end up with is a pile of unused antennas. I really wish Fry's down > the street carries this stuff so I can easily return the ones that > aren't right for me. > > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Patrick Leary > Sent: Tuesday, July 01, 2003 5:17 PM > To: 'Loren Zemenick'; [EMAIL PROTECTED]; > [EMAIL PROTECTED] > Subject: RE: [BAWUG] A few little trees - wheres my saw gone > > > Your antennas are horrendous overkill for the application. Those are > the > sort of antennas you use to go 15 or many more miles, NOT 400 meters. > What you are doing is tossing noise out many miles beyond and it is > considered very poor RF design practices. This is not a slam, it is > just > something to learn and the person that sold you the antenna should have > known better. You should replace the antennas with a small 8dBi at > most. > > > Regards, > > Patrick Leary > > -----Original Message----- > From: Loren Zemenick [mailto:[EMAIL PROTECTED] > Sent: Tuesday, July 01, 2003 8:09 PM > To: [EMAIL PROTECTED]; [EMAIL PROTECTED] > Subject: RE: [BAWUG] A few little trees - wheres my saw gone > > > I have two links that penetrate trees, one about 400 meters and the > other about 800. The 400 meter link uses a pair of 18 dbi antennas. The > 800 meter link uses a 17 dbi and a 24 dbi. All links use Linksys > WAP11's. The key issues is the density of your folage. I would try it > knowing if you can get a single ping returned with the omni, a > directional will give you a healthy fade margin. > > Loren Zemenick > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Richard Fennell > Sent: Tuesday, July 01, 2003 4:47 PM > To: [EMAIL PROTECTED] > Subject: [BAWUG] A few little trees - wheres my saw gone > > > ok chaps, im goin to ask a question that youve probably all heard > before > and are fed up with answering. I currently have a high gain antenna on > the top of my employers building. about 15dB hyperlink directional > grid. > > I have just moved to a house about 400 meters away (maybe less). On the > side of the house there is this great big 10 foot pole where the > previous owner used it for a TV antenna (Cable rocks tbh). > > So i have come up with the idea of putting an omni directional at the > top of this pole and seeing if i can link. > > Problem is the good ole LOS, i cant see my house because of trees and > houses and stuff from my employers roof. Is it not even worth bothering > to attempt to link the two or is there a chance that signal may either > bounce or penertrate. Also i might have LOS i just havent got a ladder > long enough or the the guts to go up and have a look, looks about 20-25 > feet. > > Thanks > > Richy > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.495 / Virus Database: 294 - Release Date: 30/06/2003 > > -- > general wireless list, a bawug thing <http://www.bawug.org/> > [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless > > -- > general wireless list, a bawug thing <http://www.bawug.org/> > [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless > > > This mail passed through mail.alvarion.com > > *********************************************************************** > * > **** > ******** > This footnote confirms that this email message has been scanned by > PineApp Mail-SeCure for the presence of malicious code, vandals & > computer viruses. > *********************************************************************** > * > **** > ******** > -- > general wireless list, a bawug thing <http://www.bawug.org/> > [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless > > > -- > general wireless list, a bawug thing <http://www.bawug.org/> > [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless > > -- anti-spam: do not post this address publicly www.simonwoodside.com -- 99% Devil, 1% Angel This mail passed through mail.alvarion.com **************************************************************************** ******** This footnote confirms that this email message has been scanned by PineApp Mail-SeCure for the presence of malicious code, vandals & computer viruses. **************************************************************************** ******** -- general wireless list, a bawug thing <http://www.bawug.org/> [un]subscribe: http://lists.bawug.org/mailman/listinfo/wireless
