Καλώς ήλθατε! / Welcome!

Καλώς ήλθατε στην προσωπική μου ιστοσελίδα/blog.

Welcome to my website/blog.

Youtube channel

73 de SV1JRF
George

Popular posts from this blog

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

Image
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.
Read more

DVRPTR v1 - Repeater Interface Cable Schematic

Image
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.
Read more