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OE5CSP Austria flag Austria

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Portable with my ham friend Chris,OE5CCP, using 200w and a 2el cubical quad

Portable with my ham friend Chris,OE5CCN(he took the picture), using 200w and a cubical quad for 10m during the Oceania Contest, 1000m above sea level.What a great day!!

Antennas

Ultrabeam UB-50-3 element dynamic yagi from 10-20m, rotary dipole for 30/40m (U shape).

The antenna is broken at the moment, the reflector motor does not work, so it´s just a 2 element now.The 30 and 40m rotary dipole is not working either, because it´s included in the reflector motor.

I put up a fixed dipole for 30m and a sloping delta loop for 40m.The delta loop is fed in the corner, favouring Europe a bit and it´s very interesting to switch between the delta loop and the oblong, which is working very well on 40 .Generally speaking there is not much difference, if I´m working dx. Soemtimes they are they same, sometimes there is a difference of 3-6db, depending where the signal comes from.The top of the delta loop is up about 17m sloping down to 6m.

Oblong for 80m.I found the design in a Swiss antenna book. The top wire is up about 8m, the bottom wire about 3m, so the vertical section is 5m.At first I fed it in the middle of the vertical section, but I wasn´t happy with the results, the antenna was very noisy!I always thought a loop antenna is generally a quiet antenna, which is not the case.EU was down as expected, because of the vertical polarisation and dx wasn´t that  strong.Please keep in mind that our mountains are really high and the waves have to get over them!

Now I feed it in the bottom corner. According to some antenna books this should give me a mixed polarisation.I´ve good swr in the cw portion of the band, but I need a tuner at the top end. The results  were ok, but not superb, as I had hoped for. Next year I plan to put it up as a delta loop and see if it is any better.

I put this antenna up during a field day and I could use it on many ham bands with good results.There is a 2: 1 balun and I feed it with coax.

 

GP for 2m/70cm, above the big beam and UHF/VHF  yagi below.

View to the southeast, long path to W6/7.As you can see on this picture, an antenna with a very low take off angle is not a benefit in this valley- but I do get out, even with low dipoles on 40 and 80m.

The peak in the background is the home of our 2m FM repeater OE5XKL(Krippenstein) on 145.712.5-Echolink international:534058.

Echolink national:504

 

 

Living menu on an alpine meadow !I took a photo of one cow only, but there were many others offering all kinds of drinks or food.
 

 



 

 

1994117 Last modified: 2015-05-26 17:06:08, 3659 bytes

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