I was also wondering how you guys setup several freqs (Tower,ground etc) with one computer?
The simple way to do it is to set up your scanner to scan the multiple frequencies, where it stops on the frequency that has activity. The downside to this is that if you are scanning too many busy frequencies (as some feeds here do), the listener cannot follow any one particular aircraft through several calls. This is especially discouraging if the busy feed catches an aircraft emergency or other interesting situation since it is probable the scanner won't stop on that aircraft's communication again during the event.
I am the feeder for
Syracuse, NY (KSYR), a lightly-to-moderately busy class C airport located in central NY state (US). I chose to scan tower, both approach frequencies, and ground (ground works well for the larger aircraft but doesn't pick up the smaller aircraft), or four frequencies feeding one sound card and one LiveATC feed. Overall this works very well as the activity is just light enough that typically a particular aircraft can be followed from taxi to takeoff to handoff. The feed has captured more than one emergency that was able to be followed for several minutes (search the audio clip forum for examples).
If you desire to scan many more frequencies without having one too cluttered feed, there are ways but it requires more hardware. The feeders here who do this correctly (in my opinion) have multiple scanners that feed multiple sound cards and ultimately maintain multiple LiveATC feeds. Boston Logan airport is one such example, IIRC.
There is another way someone here discovered whereby you can feed some frequencies on the left channel and some on the right channel of a stereo feed, then instruct the user to slide their balance left or right depending on what is desired. This seems very clever but I don't know more than what I read in this feeder's thread, located
here (note: this is the private feeder forum to which you should have access).
Good luck and thank you for volunteering. You are contributing to an incredibly valuable web resource.
