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SCREEN SHOT THAT SHOWS THE WINRAD PROGRAM IN ACTION.  THE PERFORMANCE OF
ANY OF THESE PROGRAMS, PARTICULARLY IN THE AREA OF UNWANTED SIDEBAND
SUPPRESSION, DEPENDS GREATLY ON THE QUALITY OF THE SOUND CARD.  THE CHEAPER
ONES WITH ROCKBOTTOM PRICES LEAVE A LOT TO BE DESIRED IN THE CRUCIAL AREAS
OF CROSSTALK BETWEEN CHANNELS AND DYNAMIC RANGE, AS DO THE SOUND CHIP SETS
THAT ARE INTEGRATED ONTO THE COMPUTER MAINBOARD.  PERFORMANCE A SPECTRUM
DISPLAY SUCH AS WINRADS MAKES PERFORMANCE MEASUREMENTS MUCH EASIER THAN
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USING CONVENTIONAL METHODS.  FOR EXAMPLE, THE MINIMUM DETECTABLE SIGNAL MDS
AND SINGLE TONE COMPRESSION LEVELS CAN BE READ RIGHT OFF THE DISPLAY.  THE
RATIO OF THESE TWO LEVELS GIVES THE SINGLE TONE DYNAMIC RANGE OF THE
RECEIVER.  SIMILARLY, BY FEEDING THE RECEIVER TWO SIGNALS SPACED A FEW KHZ
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500 2 1 2,250 OH KE7NO 749 2 1 2,100 MT N5JB 436 2 1 2,082 NTX W0AAA 496 2
1 2,006 MN KV2X 454 2 1 1,966 NNY KM5VI 815 2 1 1,880 MI W9ZRX 486 2 1 1,
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