YU7EF 6m and 4m Duo band antenna
Here you will find the results on YU7EF duo band 6,4m
5elm yagi with 12mm elements build by OZ1DJJ.
Pop Have on he's web
www.yu7ef.com a 5 elm 4/6m
duaband Yagi made of taper elements. I ask Pop to make another design
of the same yagi with 12mm Alu tubing, he was so kind to provide me with
this information.
Here is data of YU7EF Pop 5 elm 4+6m douband with 12mm Alu tubing
More pic's on OZ1DJJ Duo band antenna will soon come!
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first 6m element on the boom
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The two first 6m elements is on boom |
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Elements has to be isolated from the boom, I have made elements support like on pic |
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duo band almost done..only need the dipole
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duo band almost done..only need the dipole
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duo band almost done..only need the dipole
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Done. 6m,4m Duo band under test
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Done. 6m,4m Duo band under test
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Done. 6m,4m Duo band under test
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Measurements on 6m,4m 5elm yagi :
All measurements here under is made when antenna mount on
tower
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Return Loss 48-72Mhz
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Smith charts sweep 48-72Mhz
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Return Loss 4m
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Smith charts sweep 68-72Mhz
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Return Loss 6m
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Smith charts sweep 48-52Mhz
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Duoband and the old 6elm 6m
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Design:
