Pattern and Match
by VE3VN
Thursday, December 24, 2015
Winter Doldrums
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Winter has been delayed. As I type this it is 17° C and sunny. There is also a gale blowing from the southwest, bringing this warm and moist...
Wednesday, December 16, 2015
40 Meter 3-element Yagi: Matching vs Optimization
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Yagi performance can be pretty well summarized by the following metrics: Gain F/B SWR We can model or measure these, across the band o...
1 comment:
Thursday, December 10, 2015
2 x 2-element Sloper Yagi for 40 Meters
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I wanted one last kick at sloper arrays as an alternative gain antenna for 40 meters. Right up front I'll state that I have no intention...
Wednesday, December 2, 2015
Notes on CQ WW CW
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This past weekend was the CQ WW CW contest. Again I entered as SOAB (single-op all bands) QRP. Last year I managed to place #1 in North Ame...
2 comments:
Friday, November 27, 2015
Conspiracy of Silence
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This week the low bands were quite good. An extended period of quiet geomagnetic conditions lowered the noise and ionospheric attenuation. W...
Wednesday, November 25, 2015
Choices on Adapting Prop Pitch Motors to Rotator Service
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My plans for a larger station continue. I have the tower , the transmission line , a few antennas and assorted components for building long...
9 comments:
Monday, November 23, 2015
Pile-ups and Dual Receive
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Along with many DXers around the world I chased the VK9WA Willis Island DXpedition . The DXpedition is now history, and I logged several QSO...
Tuesday, November 17, 2015
Performance of Coil-loaded 40 Meter Elements
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Of all the articles on this blog by far the most popular are those for 40 meter antennas. In particular wire yagis and other simple antennas...
3 comments:
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