The present invention is {TAIL ~ a signal observation system} for controlling {HEAD ~ a plurality} of receiver channels simultaneously 
The present invention is { TAIL ~ a signal observation system } for controlling { HEAD ~ a plurality } of receiver channels simultaneously
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH