[Elecraft] K3 deaf on 6m comparing to a FCDP+ ?

[Vic Goncharsky]

Those of us who have built high IP3 contest LNAs for 144 and 432 MHz will have no difficulty to make one for 50 MHz. K3 dynamic range on 6m is excellent, so LNA has to be equally good.
Unfortunately this is not the case with K144XV internal 2 m module, where according to my contest obsevations, dynamic range is almost non-existant. The July 3rd Subregional IARU R1 VHF conest was a disater with a lot of parasitic signals across the band even from S9 stations.
Tring to figure out what's wrong b4 Septemer IARU R1 VHF campionsip. 
If successful will publish the findings. 
73 Vic US5WE/K1WE (UW5W in VHF conests)
--------------------------------------------
On Wed, 7/31/13, DK5EW <dk5ew at mmmonvhf.de> wrote:

 Subject: Re: [Elecraft] K3 deaf on 6m comparing to a FCDP+ ?
 To: hb9ari at bluewin.ch
 Cc: Elecraft at mailman.qth.net
 Date: Wednesday, July 31, 2013, 7:40 PM
 
 Hi dear Rudi,
 yes so far I learned that a preamp is needed for serious 6m
 operation 
 with the K3. TNX for your info as well.
 *****
 As you write you use also the FCDP+. How do you use it
 together with the 
 K3 ? Is there any circuit out there ?
 Or better is there any hint to connect it to the K3?
 *****
 Would be nice to have such a solution.
 *****
 73's Erwin/DK5EW
 
 
 Am 31.07.2013 20:54, schrieb hb9ari at bluewin.ch:
 > Hi Erwin,
 >
 > I own an "old" K3 (#1212) and a FCDP+ too.
 > Without a PR-6 (or an other low noise preamp)
 > i admit that the
 >
 > FCDP+ is better on 6m, speaking of sensitivity only.
 > I bought the PR-6 after the K3, when i was
 > a little bit
 > disappointed with the K3 6m
 > sensitivity.
 >
 > My best 73,
 > Rudi, HB9ARI
 >
 > ----Message d'origine----
 > De: dk5ew at mmmonvhf.de
 >
 > Date: 31.07.2013 06:59
 > À:
 > "Elecraft Reflector"<elecraft at mailman.qth.net>
 > Objet: [Elecraft] K3 deaf on 6m comparing to
 > a FCDP+ ?
 >
 > Hi everybody,
 >
 > since I own a FunVubeDonglePro+  I think my K3 is
 a bit deaf comparing
 > those 2 rigs on same
 > antenna.
 > Even with
 > switched on preamp on the K3 it's sensitivity is
 worse  to the
 > FCDP+
 > I only heard about that the
 > K3 is deaf on 6m but
 > never had a comparison.
 > Is there a fix to make the K3 hearing better on 6m ?
 >
 
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