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QHA 137Mhz antenna
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Antenna for satellite reception
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- GNU General Public License v3.0
Antenna Quadrifilar Helix Antenna for 137Mhz (NOOA, Meteor) weather satellite.
Materials:
Pole - 1.5m 32mm PVC pipe
RG - 58 cable
Elements - 8mm x (photo lenght) alluminium/copper tube
- 2mm x 1cm x (photo lenght) of alluminium/copper flat aluminum bars
- Screws to hold together the bars and the tube
Cutting lenght:
2 - 190mm lengths - lower horizontal tubes
2 - 903mm lengths - short helical elements
2 - 1002mm lengths - long helical elements
4 - 90mm lengths - upper horizontal elements
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