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  QSL image for OZ1CX

OZ1CX Denmark flag Denmark

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Lookups:   6910 XML Subscriber

Email: Login required to view QSL: LOTW, DIRECT, EQSL[AG]
My QSL confirm rate is 100% - if you QSL direct, i will QSL direct!
i strongly prefer real paper QSL cards for my collection 


Online log search and DIY projects   HERE  

Images from the Icelandic FF activations are now online   HERE  


 

Operator handle is Chris, i was created in 1970.
QTH located in Denmark, in the Northern part of the Sjaelland archipelago (IOTA EU-029)
about 45Km north of the capitol Copenhagen.

for more info on my PA, antenna projects & alot of DIY , check my site, HERE

Radio has been a part of my entire life, both personal and proff.
i work as an electronics engineer and have been SWL listning since childhood.

I also enjoy being portable on the HF bands, using my homebrew arsenal of antennas.

Newest addition to my antenna farm, a 6 band broadband Hexbeam project.
The 6-band Hexbeam: i've worked Alaska, Malaysia, Mexico, Falkland Isl., Maldive Isl.,
South Africa, Hawaii, Svalbard with great results.

This antenna really rocks. Despite it's size it has aprox.
same data as a 2 element full size yagi. not bad for a bunch of wires and fibreglass.

6 band hexbeam project

Cobweb 5-band design gone mobile.

 

My homebrew Linear amplifier, for a little more oomph in the pileups.

 

VDA - Vertical Dipole Array, as used by many DXpeditions, end fed halfwave for 20 meters.
the red element is the driven element, the blue one is a parasitic reflector.
This design gives approx. 3-5db forward gain and very high feed impedance,
no elaborate ground system needed.

 

the antenna design can be optimized for max forward gain or front/back attenuation.

vda antenna

 

This is why the VDA is so popular with DXpeditions. (this was modelled from my own antenna)

 

Gas prices being what they are, i got myself a smaller car (a lot smaller hi hi) and had
to come up with another form of mount for portable operations.

i also put the cobwebb on the shelf and set out on a quest for the
"perfect portable multiband antenna".

Some quest that has been, but i learned alot along the way. anyways, here is the current
portable setup.

it's working a treat, but only on 5 bands so far. you may have guessed i prefer high impedance
antennas, because i hate laying out radials when portable.

new mount 1

 

49:1 Impedance transformer used to match the TX 50 ohm output to the ~2700 ohm

feedpoint resistance of the vertical above.

 

 

20/40m halfwave, with 40m coil assembly in plastic container to keep the rain and snow out.
wireis an electric half wavelenght long on 20 & 40 meters, and a full wave on 10 meters.

The coil is wound on 32mm pvc form and sealed with heat shrink tubing.

 

 

My Santa Claus diploma from Christmas 2012.

santa

dx_code_of_conduct


Other hobbies includes nature photography. check out my galleries at www.fiftydee.comand www.cafoto.dk

 

Snefellnes Iceland

 

marsh harrier

marsh harrier

 

Last modified: 2014-04-09 12:15:15, 7436 bytes

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