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Total 3 documents matching your query.

1. [Towertalk] LPDA stacking distance? (score: 1): Author: jljarvis@abs.adelphia.net (jljarvis); Date: Mon, 18 Mar 2002 23:59:28 -0500; OK, now I'm really curious. Who has stacked LPDA's, and what stacking distance did you choose? Why? N2EA Jim Jarvis Essex Vermont; /archives//html/Towertalk/2002-03/msg00427.html (6,591 bytes)
2. [Towertalk] LPDA stacking distance? (score: 1): Author: coneal@ma.ultranet.com (Chuck O'Neal); Date: Tue, 19 Mar 2002 10:42:38 -0500; Hi, I have and the stacking distance depends upon the characteristis of the LPDA. High taper factor (above .92 or so) and high spacing factor (above 0.05 or so) require larger spacing due to the high; /archives//html/Towertalk/2002-03/msg00435.html (8,111 bytes)
3. [Towertalk] LPDA stacking distance? (score: 1): Author: coneal@ma.ultranet.com (Chuck O'Neal); Date: Tue, 19 Mar 2002 20:53:33 -0500; Hi Jim, That stacking method has been used for VHF antennas and only works in the "free space" that VHF and UHF antennas see many wavelengths above ground. At HF, the ground reflection is important a; /archives//html/Towertalk/2002-03/msg00468.html (9,817 bytes)

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