[Lowfer] SDR-IQ and spurs

[craig wasson]

I have used my SDR-IQ extensively on LF and never noticed any spurs I could
attribute to it.  I have tons of spurs and garbage coming from the variety
of computers, routers, lights, power supplies, etc in the house though.
Luckily when doing very narrow QRSS receiving those interfering sources move
around enough to pretty much disappear.   One of my favorite activities is
to monitor LF broadcast carriers and the receiver is absolutely rock solid
down to a small fraction of 1 Hz for weeks at a time.

I have noticed a lot of spurs and odd carriers above 10 MHz though.  Maybe
one every 1 or 2 hundred KHz.  Not bad enough to cause problems but
noticible - especially during the low sunspot activity during the last few
years.   I have never observed any images or intermod with it.

I highly recommend the SDR-IQ - I would not part with mine.
Craig - N6IO


On Wed, Mar 30, 2011 at 9:35 PM, Gary <garylyons at cox.net> wrote:

> Garry and Dick,
>
> Thanks for the feedback on the SDR-IQ - and the reassurances.  I suspect I
> will have one on the desk in the not too distant future.
>
> Gary/w0gx
> Edmond OK/EM15fp
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