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Doppler Home Antenna |
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Pictorial : Doppler Home Antenna |
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Use #22 copper wire for dipoles. |
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Stretch and straighten the wire removing folds. |
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Solder dipoles to small PC Board and insert into PVC pipes. |
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The switcher goes in the center of the waterproof cross. |
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Use four old TV ferrites 75 to 300 ohms as baluns between the dipoles |
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and the coaxes (RG-174). |
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Solder coaxes to dipoles. The coaxes are ready for the switcher. |
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The coaxes (RG-174) are soldered to the switcher. |
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The parts are assembled, Serge VE2HLS and Michel VE2MAA |
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Eagle Eye Jean VE2JMK! |
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Busy, busy, Michel VA2MAA |
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| The antenna is almost completed. Only 8 caps need fitting at ends of pipes. | |||
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The cover and the antenna are completed. |
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The completed antenna. |
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