[Elecraft] K3 or SDR-5000?

[DaleJ]

How does the Flex handle image rejection?  Any spec's for image rejection?

Dale



Richard Smith-23 wrote:
> 
> I think Dave is overstating the computing power you need for a Flex. 
> Computing power is pretty cheap these days, and getting cheaper all the 
> time.  You may be able to do just fine with the $399 machine he mentions. 
> In fact, for under $425 you can get a dual-core AMD Athlon X2 4000+  with 
> 1GB DDR2 RAM  from BestBuy.  That machine will not only run your
> Flex-5000A, 
> but you will also be able to surf the web, read your email, run your
> contest 
> logging program all at the same time with plenty of extra processing power 
> to spare.  Really folks, computing power is not an issue these day.  In 
> fact, I would guess that a large percentage of hams already have more than 
> enough computing power already sitting in the shack.
> 
> There continue to be a lot of misconceptions about SDR radios.  There is
> an 
> earlier thread about K3 vs. Flex-5000A in the Elecraft reflector archives 
> from October 2007.  Search "5000A" and you should find them.  They are
> worth 
> reading, as they go into some depth about the issues, questions and 
> misconceptions that keep coming up.
> 
> 73,
> 
> Rich W1EZ
> 
> 
> ----- Original Message ----- 
> From: "R. Kevin Stover" <rkstover at mchsi.com>
> To: "Dave G4AON" <elecraft at astromag.co.uk>
> Cc: <elecraft at mailman.qth.net>
> Sent: Sunday, December 23, 2007 8:56 AM
> Subject: Re: [Elecraft] K3 or SDR-5000?
> 
> 
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>> I think he was looking for an N1MM type band map layed out over a real
>> time PowerSDR pan adapter display. Which would be downright cool. A
>> visual representation of the DX/contester's signal and strength.
>>
>> One thing that might not have been mentioned in the K3/Flex discussion
>> is the need for a high performance PC. The $399 HP/Dell/Whoever
>> "special" at Sam's Club or Costco just won't cut it.
>>
>> Dave G4AON wrote:
>>> Barry
>>>
>>> You can already do that with the free contest logging program from N1MM,
>>> you have the band displayed as a slide rule with frequencies and DX
>>> Cluster reported stations, just click on one and the rig tunes to it...
>>>
>>> 73 Dave
>>> ============
>>> It would be very cool if some future generation of PowerSDR software
>>> provided
>>> a clickable bandmap overlay to the displayed spectrum from the K3.
>>> Functions such as quick qsy to any point in the spectrum and labeling of
>>> sigs with callsigns would be great tools for dxing/contesting.
>>>
>>> 73,
>>> Barry N1EU
>>
>>
>> - --
>> R. Kevin Stover, ACØH
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