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#1
August 14th 07, 02:38 PM
posted to rec.radio.amateur.antenna
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Franklin Antenna (Collinear) for 2.4 GHz with 20.5 dBi of Gain
Franklin Antenna (Collinear) for 2.4 GHz with 20.5 dBi of Gain
Impedance: 200 Ohms VSWR: perfect! Anyone interested on the design? The impedance have to be adopted via 1:4 lambda/2 balun. Site containing NEC2-Code and model source code. Also some pictures on radiation patterns are included. Average Gain Test indicates the correctness of the model. Link: http://mitglied.lycos.de/pp4nec2/files/index.html Sorry, its in german. |
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#2
August 15th 07, 01:48 AM
posted to rec.radio.amateur.antenna
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Franklin Antenna (Collinear) for 2.4 GHz with 20.5 dBi of Gain
wrote in message ups.com... Franklin Antenna (Collinear) for 2.4 GHz with 20.5 dBi of Gain Impedance: 200 Ohms VSWR: perfect! Anyone interested on the design? The impedance have to be adopted via 1:4 lambda/2 balun. Site containing NEC2-Code and model source code. Also some pictures on radiation patterns are included. Average Gain Test indicates the correctness of the model. Link: http://mitglied.lycos.de/pp4nec2/files/index.html Sorry, its in german. Here's a similar style antenna written in English. This antenna is shorter, has less gain, but does show matching section. Mike shows matching |
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