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G0KSC SC0608L 8el 50Mhz Yagi Antenna with a 9.8 Metre Length Boom

Updated June 2010

Please read the whole page, there are several versions of this antenna listed. If you do not the the diameter tubing you need to have this in or require tapered elements, Email me!

 

This antenna has been redesigned and represents what i beleive to the the 'ideal boom length' for an OWA direct feed 50Ohm Yagi. This can be seen in the model in the super flat SWR, the high levels of F/B ratio along with the excellent gain and pattern.

 

The model below is designed with 12.7mm / 1/2 inch elements and also a 12mm element version below. If you require a version of this antenna with another diameter wire, Email me and I will remodel. It is NOT POSSIBLE to simply resize the elements when using a VERY different diameter wire and get the best performance possible. Element positions also need to change for the ideal antenna to be achieved again. Please read all the way down this page, there are other versions of this antenna using tapered elements too. As I have more requests, I will remodel in other element diameters and tapers and pulbish those too.

 

2 x 8el G0KSC OWA installed at BA4SI

 

 

MM0GPZ built the 8 element 6M G0KSC OWA Yagi form the RSGB 2009 Field Day

 

 

 

Dimensions in Metres - all tubing 1/2 inch or 13mm diameter, mail for other sizes and tapered elements

Element spacing:

Element sizes per element half:

 

Performance figures @ 50.150Mhz:

 

Dimensions in Metres - all tubing 12mm

Element spacing:

Element sizes per element half:

 

Performance figures @ 50.150Mhz:

 

Azimuth Plot

 

 

Elevation Plot

 

 

This fantastic antenna at 20m up

 

 

An Excellent SWR to go with the fantastic pattern!

 

Remeber, mail me if you have different diameter tube requirements and send photos of built antenna!

 


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