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 _______________________________________________ IRCA mailing list IRCA@hard-core-dx.com http://montreal.kotalampi.com/mailman/listinfo/irca Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers For more information: http://www.ircaonline.org To Post a message: irca@hard-core-dx.com