Marlon, Those experiences - what band and product?
On 10/1/09, Marlon K. Schafer <[email protected]> wrote: > First, your signal is much too high. Multipath is a reflected signal. The > newer radios hear quite nicely down to -94 or lower. The AVERAGE reflected > signal is about 30dB. > > So if you have a signal any greater than -65 you'll be MORE likely to get > multipath. It can't always be helped but I try.... > > If you think it might be multipath move the radio up or DOWN by a foot or so > at a time. Sometimes I've had to put a radio very close to the ground or > something in order to get it to work right. > > Up is the direction you want to go if you can, but sometimes down will > actually work better. I've doubled people's speeds by moving the antennas > down by as little as 2 feet. > > marlon > > ----- Original Message ----- > From: "Mark McElvy" <[email protected]> > To: "WISPA General List" <[email protected]> > Sent: Tuesday, September 29, 2009 11:39 AM > Subject: [WISPA] Multipath > > >>I am curious if anyone thinks this is multipath and has a suggestion on >> how to fix. >> >> >> >> This just happens to be my dads house, radio mounted to a j-mount on eve >> of house, clear LOS to tower <1 mile away, -56 signal. This eve is over >> the porch roof to the east and signal shoots over the south plane of the >> roof which is an approx 30deg angle. I was over this morning and he is >> complaining the Internet is not working and I go in to do some >> troubleshooting. I setup a constant ping to the AP and I am getting >> <1ms, I start to browse and the pings jump to >300ms and random lost >> packets. >> >> Configure a new radio in the house and have a -75 signal in the house, >> try the ping thing again and all seems fine. I replace he radio on the >> roof and I am back to the poor ping times again. >> >> >> >> Now I don't understand multipath as well I should but it seems to make >> sense in this case. Is it possible to reduce or remedy without moving >> the radio to a totally different location? >> >> >> >> Mark McElvy >> AccuBak Data Systems, Inc. >> >> >> >> >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: [email protected] >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -- Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 "When you have eliminated the impossible, that which remains, however improbable, must be the truth." --- Sir Arthur Conan Doyle -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
