The pricier RigExpert devices appear to be VNA type analyzers that
incorporate "real" (i.e. selective) receivers and which would be
immune to out of band interference.
VNA type analyzers *still have broadband detectors* and are not
immune from broadcast interference if the broadcast signal is
sufficiently stronger than the source (sweep) signal. Performance
of the VNA type analyzers depends on the resolution of the ADC,
the ratio of the desired to undesired (interfering) signal and the
ability of the software to distinguish between the two.
73,
... Joe, W4TV
On 9/15/2016 2:13 PM, Al Kozakiewicz wrote:
The issue with BC interference is going to be common to any analyzer
that uses a broadband detector. The pricier RigExpert devices
appear to be VNA type analyzers that incorporate "real" (i.e.
selective) receivers and which would be immune to out of band
interference. Don't know about the rest.
Al AB2ZY
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