[Elecraft] Elecraft[K-3] K144XV

[Samuel Strongin]

  If sensitivity is less -140dbm on 2 meters it is DEAF!!!
                             Sam kf4yox

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From: "Matt Zilmer" <mzilmer at verizon.net>
Sent: Thursday, January 07, 2010 4:54 PM
To: "Phillip Buckholdt" <k8mby-1 at wadsnet.com>
Cc: "Elecraft List" <elecraft at mailman.qth.net>
Subject: Re: [Elecraft] Elecraft[K-3] K144XV

> I installed a production K144XV recently.  It's been in K3 #24 for
> about 10 days, and there haven't been any real issues with it.
> 
> Mechanical installation went according to plan, and takes about 60
> minutes.  There is one power pin that needs to be soldered down to a
> pad on the RF Board to power the module.  This step take more time
> than all the rest.
> 
> FM / SSB / CW all worked fine with only a minor calibration on the
> WMTR MW.  It's a good step to follow, and it's referred to in the
> assembly instructions.
> 
> On the air testing went well, with FM and SSB working first time and
> no K3 transmit adjustments needed.  For most if not all users, adding
> the K144XV is transparent from the op's point of view.  You just added
> a band to the radio...  No hassle operating it.
> 
> The noise figure is extremely low (1.0 dB or less) with the
> transverter, so with the K3 using it, it hears quite well.  As with
> the other bands, you can pretty much receive with preamp off and RF
> GAIN at one or two o'clock.
> 
> No weirdness on TX either.  Just good audio reports like with a
> normally equipped K3.
> 
> Sensitivity is better than -125 dBm, and I think the MDS is perhaps 10
> dB better than this figure.  My signal generator only goes down to
> -125.  At this signal strength, you hear a readily discernable signal
> (tone in my case).  I've worked quite a few stations > 40 miles out
> with just a 3 element Yagi at 20 feet.  And that's using only the 10W
> provided by the K144XV.
> 
> 73,
> matt W6NIA
> K3 #24
> 
> 
> 
> 
> On Thu, 07 Jan 2010 12:54:52 -0500, you wrote:
> 
>>Anyone installed the K144XV yet ?
>>Comments
>>
>>     Phil K8MBY
>>     # 609
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