Trig? Tangent? How far out do you want to focus the main lobe? Take the tower height, divided by that distance (both in the same units) and do the arctan of that.
So if the tower was 200 feet, and you want to target a spot 2 miles away, arctan(200/10560)=1 degree From: Paul McCall via Af Sent: Tuesday, October 14, 2014 8:13 AM To: af@afmug.com Subject: [AFMUG] Downtilt tool We have upgraded a bunch of towers to ePMP (2.4) are finding we are going to really be more exacting with our downtilts to avoid spectrum overlap… more than we did with 100 series, because of the SNR requirements. I assume 2.4 450 would have similar requirements. So, I want to map out my down-tilt plans . Is there a good online tool for this? Paul McCall, Pres. PDMNet / Florida Broadband 658 Old Dixie Highway Vero Beach, FL 32962 772-564-6800 office 772-473-0352 cell www.pdmnet.com pa...@pdmnet.net
