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OK1DFC 10GHz anténa

(Od: OK1AXH Téma: Krátké zprávy Zveřejněno: 5. 10. 2014)
OK1DFC: 180cm DISH – portable 10 GHz setup

  • Manual of 180cm prime focus dish

  • Used for SAT RXing

  • Dish arrive well packed and in good conditions
 
After the test of my existing 3,2 m portable mesh dish I decide to use something with better aperture for my EME peditions. On the E-Buy I have found dish presented on pictures in left side. Thanks to Peter G3LTF I have dish at home, because company in UK does not send the dish direct to Czech republic. For my EME application was necessary to made some upgrades and mechanical changes as follows. I have completely changed also screws, bolts and nuts.
Specification
REFLECTOR
Type Prime
Diameter 180 cm
Panels (sections) 6
Aperture Efficiency 70% min.
C – Band Gain @4.0 GHz 35.89 dB
KU – Band Gain @12.5 GHz 45.54 dB
F/D Ratio 0.38
Focus Length 682 mm
Material Steel
Finish Polyester Powder Coating
Color White
ENVIRONMENT
Operational Winds 25 m / sec
Survival Winds 40 m / sec
Ambient Temperature -40°C ~ +60°C
Relative Humidity 0 ~ 100 %

  • Mechanical parts expected for use

  • 6 PCs of segments

  • Details
 

  • Smaller ring was used for fix part of the dish

  • Was necessary only cut off bolts

  • Than for test prepare fixing pillars
 

  • Test accuracy of segment on the dish hub

  • Dish hub assembled – all looks very good

  • Dish ready for tripod installation and Sun noise test
 

  • Back view