OK, I will try the Vertical Alignment again to see if it is on a vertical side lobe. I will give that a try next week and see what happens. Thanks.
Bill Gaylord, President COLI Inc. On 11/5/2010 9:37 AM, Chuck Hogg wrote: > Sounds like a side lobe...we had the same issue...link was coming in > at -70...link budget said -50...finally got it out of the side lobe > and within 1-2 dB of the link path. > > Regards, > Chuck > > > > On Fri, Nov 5, 2010 at 9:12 AM, Bill Gaylord<bi...@torchlake.com> wrote: > >> I have a Dragonwave link that was performing about 35-40db lower than >> the link budget says it should. I sent tower climbers up to repeak the >> link and found they did have it on aligned on a horizontal side lobe. >> After re-peaking it got better, but is now about 15-20db lower than the >> link budget. It is running about a -52 and the budget calls for a -34. >> They did peak the vertical axis, but is it possible that even though >> both antennas were mounted plum, that they are aligned on a vertical >> side lobe. Like I said, they did say they peaked the vertical, but I >> don't know if they did a proper sweep on the vertical because it is not >> a quick to do as on the horizontal. They are both plum, but the >> antennas have about 300ft of vertical separation at 5 miles. Would >> difference in height put them in into a vertical side lobe? I am asking >> because the 30in antenna's had come slightly damaged, but it appeared to >> just be where the raydom attached to the dish. Dragonwave did not think >> this would cause an issue. I just need to know if I need to pay for 2 >> more tower climbs to re-peak the vertical, or take down the dishes to >> return them. Thank you in advance for any advice that can be given >> here. By the way, it is our first licensed link, so it is my first >> experience with anything above 5ghz. >> >> Bill Gaylord, President >> COLI Inc. >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> 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: wireless@wispa.org > > 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: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
