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<blockquote data-quote="Mark Schumacher" data-source="post: 34120" data-attributes="member: 937">Re: Helical Antenna &quot;Spin&quot; Determination?From Wiki:Polarization is defined from the point of view of the source. When using&nbsp; this convention, left or right handedness is determined by pointing&nbsp; one&#039;s left or right thumb away from the source, in the same&nbsp; direction that the wave is propagating, and matching the curling of&nbsp; one&#039;s fingers to the direction of the temporal rotation of the field at a&nbsp; given point in space. When determining if the wave is clockwise or&nbsp; counter-clockwise circularly polarized, one again takes the point of&nbsp; view of the source, and while looking away from the source and in the same direction of the wave’s propagation, one observes the direction of the field’s temporal rotation.If this is true, PWS antennas that I&#039;ve seen are Left Hand Polarization. All A5000&#039;s are Right Hand unless otherwise marked on the ground plane. So far only about 6 of the Left Hand versions have been built.Mark</blockquote>

[QUOTE="Mark Schumacher, post: 34120, member: 937"] Re: Helical Antenna "Spin" Determination? From Wiki: Polarization is defined from the point of view of the source. When using this convention, left or right handedness is determined by pointing one's left or right thumb [B]away[/B] from the source, in the [B]same[/B] direction that the wave is propagating, and matching the curling of one's fingers to the direction of the temporal rotation of the field at a given point in space. When determining if the wave is clockwise or counter-clockwise circularly polarized, one again takes the point of view of the source, and while looking [B]away[/B] from the source and in the [B]same[/B] direction of the wave’s propagation, one observes the direction of the field’s temporal rotation. If this is true, PWS antennas that I've seen are Left Hand Polarization. All A5000's are Right Hand unless otherwise marked on the ground plane. So far only about 6 of the Left Hand versions have been built. Mark [/QUOTE]

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