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VHF Aurora :Status
144 MHz Es in EU :Status
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Popular posts from this blog

Delta Loop Antenna 10m-11m + Balun 4:1

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As i really enjoy using the 10m band and sometimes the 11m band to talk with friends around Athens, it came as a must of constructing a new antenna. Also i wanted to do this because i have an Albrecht 5890EU ,which operates in these frequencies and i didn't have an extra antenna to operate it. Due to the lack of space in my QTH(that is why i 'm using the long wire + UnUn antenna), i was trying to find a solution of a vertical polarization antenna ,with high efficiency and as small as possible.
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DVRPTR v1 - Repeater Interface Cable Schematic

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If you want to create a duplex repeater using the DVRPTR v1 ,you must construct a cable and also you will have to use two transceivers. The cable diagram is shown bellow. You will need 3x6pin mini din male connectors and 2m of ethernet cable cat 5. Of course from the cable you will only use 4 wires from 8.
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