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Lets be clear on this one Marconi. While some clients are forced to share tower space in close proximity to other antennas, I would not be attempting to run gain tests or confirm the pattern while other antennas are present and could interfere with the results. All of my tests were conducted with no other antennas around for many wavelengths and done in the FM mode. The Sigma design produces the exact same signal as a 1/2 wave dipole when the Sigma has a 2db attenuator inline with it. Not measured in needle widths on a signal meter but with the accuracy of digital instruments.

[QUOTE="Shockwave, post: 497693, member: 10882"] Lets be clear on this one Marconi. While some clients are forced to share tower space in close proximity to other antennas, I would not be attempting to run gain tests or confirm the pattern while other antennas are present and could interfere with the results. All of my tests were conducted with no other antennas around for many wavelengths and done in the FM mode. The Sigma design produces the exact same signal as a 1/2 wave dipole [U]when the Sigma has a 2db attenuator inline with it.[/U] Not measured in needle widths on a signal meter but with the accuracy of digital instruments. [/QUOTE]

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