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Re: [TowerTalk] 135 degrees phasing.

To: "Rex Lint" <rex@lint.mv.com>, "'Rex Lint'" <rex@lint.mv.com>,<yv5lix@yv5lix.org.ve>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] 135 degrees phasing.
From: Terry Conboy <n6ry@arrl.net>
Date: Fri, 21 Oct 2005 15:11:14 -0700
List-post: <mailto:towertalk@contesting.com>
>-----Original Message-----
>From: towertalk-bounces@contesting.com
>[mailto:towertalk-bounces@contesting.com] On Behalf Of Rex Lint
>Sent: Thursday, October 20, 2005 9:06 AM
>To: yv5lix@yv5lix.org.ve; towertalk@contesting.com
>Subject: Re: [TowerTalk] FW: 135 degrees phasing.
>
>Why wouldn't you just add half of a 1/4 wave to a 1/4 wave?  90 degrees plus
>43 degrees - 135 degrees.

That's fine if the load is matched to the line Z, or for 90 or 180 
degree lines, but the phase shift will not be 135 degrees if the line 
is mismatched, which is often the case with verticals in a phased 
array, especially when mutual impedances are taken into account.

73 Terry N6RY

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