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1. Effect of Altitude... (score: 1): Author: 0005543629@mcimail.com (David & Barbara Leeson); Date: Tue, 24 Sep 96 21:56 EST; To first order, the wind pressure is proportional to the air density, so altitude should have some effect. I haven't looked up the relationship between pressure and density, but it seems they should; /archives//html/Towertalk/1996-09/msg00191.html (7,506 bytes)
2. Effect of Altitude... (score: 1): Author: Bill_H._Jackson@notes.up.com (Bill H. Jackson); Date: Wed, 25 Sep 1996 07:59:01 -0500; I don't recall seeing anything in the RS-222 specification for towers that make allowances for altitude or precipitation (other than ice), so I would assume the effect is negligible. 73 de Bill, K9RZ; /archives//html/Towertalk/1996-09/msg00193.html (9,603 bytes)
3. Effect of Altitude... (score: 1): Author: crb@nanoteq.co.za (Chris R. Burger); Date: Thu, 26 Sep 1996 09:36:11 +200; As a rule of thumb, the ISA (International Standard Atmophere) looks like this: Pressure: 29.92" Hg at sea level. Lapses at roughly 1" Hg / 1000'. Round figures, at 5000': (30 - 5)" Hg = 25" Hg, or 8; /archives//html/Towertalk/1996-09/msg00202.html (8,040 bytes)

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