[hpsdr] Alex Bug?

[tbruns]

I also hear the relays click that these frequencies and a shift in the 
noise floor so I suspect I'm seeing it as well.

73 Tom KC5L

On 08/30/2011 05:15 PM, Dan Mitchell wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> I think I have found a bug in Alex operation.
> When tuning upward at the listed frequency in the following Ham bands, the
> next higher low-pass filter switches in. If I am not mistaken, there will
> therefore be no second-harmonic protection from the indicated frequency to
> the top of the band.
> I have verified this operation with my spectrum analyzer.
>
> 160 Meters - 1.992 mHz
> 80   Meters - 3.992
> 40   Meters - 7.292
> 20   Meters - 14.342
> 15   Meters - 21.442
> 10   Meters - 29.692
>
> I did not check 6 Meters.
>
> 73,
> Dan, W0IQ
>
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