If you check the schematic for the ATU-30 you will see connections for the power ground and fused connections for the power lines. These are for carrier current connections.
Check the link below for a description of how this can be used.
I like your approach to this situation, simple and most likely reliable.
Software solutions can be useful but they also can be a pain to implement. Your solution of using hardware makes sense. I have had problems getting the two audio cards in my system to play nice with each other and the OS so I am designing a simple patch panel b…[Read more]
My installation is ground mounted over radials and to give some idea of how I did this I have attached two pictures. The radials are #12 insulated solid wire and there are a total of 12 each being 10 feet long. They are soldered together at the base of the antenna and are connected to a two foot long stake driven in the ground.
I used wire I h…[Read more]
That would be funny if you had planned it to work that way. Using multiple sound cards at my installation has, at times, been challenging. This works under Win XP but not Win 7.
I researched using multiple audio outputs under Win 7 and found a post by a Microsoft support person who said that multiple audio outputs do not work “by design” and am…[Read more]