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Search: Posts Made By: GroundUrMast
Forum: Enthusiast's Exchange 22-Mar-2013, 5:41 PM
Replies: 19
Views: 29,773
Posted By GroundUrMast
Log Periodic Dipole Array Example,...

Log Periodic Dipole Array

Example, http://www.arcticpeak.com/antennapages/LPDA.htm
Forum: Enthusiast's Exchange 2-Dec-2011, 11:46 PM
Replies: 19
Views: 29,773
Posted By GroundUrMast
As I have started to work with 4NEC2 modeling...

As I have started to work with 4NEC2 modeling software, I've seen how bandwidth narrows (ie. SWR increases more quickly as you move away from Fc) when more tuned elements are used in an antenna...
Forum: Enthusiast's Exchange 19-Nov-2011, 10:50 PM
Replies: 19
Views: 29,773
Posted By GroundUrMast
It's been my experience that the parabolic really...

It's been my experience that the parabolic really comes into it's prime as you enter the GHz+ region, At sub-GHz frequencies it's easier to build high aperture antennas in panel, curtain and Yagi...
Forum: Enthusiast's Exchange 18-Nov-2011, 11:21 PM
Replies: 19
Views: 29,773
Posted By GroundUrMast
@ ghz24, I'm confident that your contribution...

@ ghz24, I'm confident that your contribution and Dexter702's question are not the reason for anyone choosing to behave unprofessionally. Certainly, neither would justify such immature behavior.
...
Forum: Enthusiast's Exchange 21-Jul-2011, 11:33 PM
Replies: 19
Views: 29,773
Posted By GroundUrMast
10/22/2011: Sadly, JC got upset and vandalized...

10/22/2011: Sadly, JC got upset and vandalized his post... The gist of it was that one could recycle an old C-band satellite dish by replacing the microwave band feed-horn with a UHF dipole or...
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