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1. [TowerTalk] Terrain question (score: 1): Author: no6x@inreach.com (Mike); Date: Sun, 19 Jul 1998 07:45:16 +0100; Here is a good one for the masses. I have to the north of me about 1.5 miles a hill of about 1100 feet how is this going to effect radiation angle? We wont mention the 5000 foot mountains to the nort; /archives//html/Towertalk/1998-07/msg00533.html (7,229 bytes)
2. [TowerTalk] Terrain question (score: 1): Author: n4kg@juno.com (T A RUSSELL); Date: Sun, 19 Jul 1998 03:36:08 -0600; Use trigonometry. TAN (angle) = Height / Distance = 1100 / 1.5 X 5280 = 1100 / 7940 = 0.139 The Angle = 7.9 degrees (per my college slide rule...can't find my calculator!) Above 7.9 degrees, NO PROBL; /archives//html/Towertalk/1998-07/msg00540.html (8,672 bytes)
3. [TowerTalk] Terrain question (score: 1): Author: k6ll@juno.com (k6ll@juno.com); Date: Sun, 19 Jul 1998 17:16:52 +0100; Mike, The answer depends on several different factors, especially the height of your antenna. You can download a copy of the program TA from the ARRL server and run the numbers through it. The answer; /archives//html/Towertalk/1998-07/msg00551.html (8,588 bytes)
4. [TowerTalk] Terrain question (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun, 19 Jul 1998 20:54:35; However .... your signal will have some radiation below 7.9 degrees, and it will be either reflected or refracted in ways that may either add or subtract. The right way to assess this is to use YTAD; /archives//html/Towertalk/1998-07/msg00556.html (7,892 bytes)

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