Re: [IRCA] Re : 1710

[Deane McIntyre <dmcintyr@xxxxxxxxxxx>]

On 2010-12-16, at 3:17 PM, bill kral wrote:

>  The signal on 1710 was much stronger last night around midnight but I was a little dismayed at what I heard.It turned out to be a mix of my local 900 and KGO 810 SF so I tried to figure out how an IF image of those two signals could show up on 1710. 455 Khz x 2 is 910 so 1710 - 910 = 800 . that doesn 't quite fit in but it's not that far off. Does anybody out there know how this can happen with a digitally tuned receiver?

This is a second order mixing product:

900 + 810 = 1710

The mixing could be either external or internal to your receiver.

73,

Deane McIntyre VE6BPO
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