วันอาทิตย์ที่ 15 สิงหาคม พ.ศ. 2553

Assembly the Sound card interface.

I re-checked problem the design. I make wrong circuit wire in PCB. I must be re-making PCB. After make PCB I assembly in box. In PCB have 2 circuits for Sound card Interface and CAT Interface.

The idea for include the USB interface and Sound card in same box.

วันพุธที่ 4 สิงหาคม พ.ศ. 2553

Complete set up new antenna for EME

complete setting antenna 7 element 4 stack.
actually I'm not install the rotator. It's next project.


Remove current antenna 8el x 2stacks


Add 3m.aluminum pipe for extend the pole. Then set the 3m.horizontal boom. I use door hinge for set this antenna can upsweep.


Final setup stack 4x7el with 2.85m.horizontal and 3m.vertical. In the center use power splitter for connect to coaxcial cord to my rig.
[Remark] All design refer to DK7ZB and thank him.