Sunday, October 24, 2010. There are so many arguments for and against whether online social networking is good. However, three key arguments will be gathered for the idea thatonline social networking is beneficial at all for human beings. Online social networking as a whole makes communication much more convenient.

Smart SO2R Antenna Switching using Arduino and a SixPak. Middot; in arduino projects. One improvement I had wanted to make to my station for some time was the addition of automatic antenna switching.

Here are a few pictures showing some of the vintage radios I have restored. As you can see, they are not only operational but in daily use. This is a Johnson 500 AM Transmitter. It is paired with the Collins R-390A receiver. I use the diode load output from the 390 to feed an Onkyo Stereo in turn feeding a speaker system using a sub woofer. We also incorporate a SONY mini disk for recording and play back from both the AM and SSB stations.

This web site is devoted to Amateur Radio Digital Modes. You will find articles about PSK31 and other digital modes, presentations and handouts for ham clubs, hardware designs and links to other sites in the items listed below. To contact Clint Hurd, kk7uq, please email at the. Extracts of handouts from Hamfests and Presentations. Presented at Anchorage August 2, 3 2008. The full design and construction manual and.