Andy Talbot wrote:

Crafty.   'should' be pretty foolproof.   Any old soundcard without
48000Hz ought to just throw-up an error.

Not under Windows XP.... Windows will duly and silently try to please the user
of the sound card (i.e. the program) resampling at the sample rate requested.
If you are not convinced, start Winrad and set the sampling rate at 192 kHz with
a sound card that is not capable of that speed.

You will see 192 kHz of spectrum (-96 to +96), but only the central part has
some meaning, that covered by the hardware sampling rate of the card. You will
also see the shape of the card's anti-aliasing filters (if any...)

73  Alberto  I2PHD