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SV1JRF / 5B4AMD

Amateur Radio Station - KM64NQ - Limassol, CYPRUS / Current call in use 5B4AMD

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November 01, 2012

The SV1JRF-6 weather station was inactive due to maintenance. Now is back on line!

Thx,
73 de SV1JRF

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

September 02, 2014

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.

DVRPTR v1 - Repeater Interface Cable Schematic

March 17, 2014

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.