K2100 and KAT100 Question and a side note about Alaska

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K2100 and KAT100 Question and a side note about Alaska

Edward A. Dauer
Thanks, Don. I feared that might be the case – that once the amp and tuner are mated in the EC-2, using that tuner by itself for a different amp would require severing it from its mate.  Then, to return to the “twins” configuration for the other K2, means doing all of that in reverse.  A separate KAT100 sounds like the better choice by far.

OK; here we go.  An order will go to Elecraft tomorrow.

Incidentally, in case Ed Cole, KL7UW, is reading the mail, I have been cruising the inside passage for the past week, Sitka today and heading for Anchorage two days from now.  Is it always incessant cold rain this time of year?  Never mind sunspots; I have forgotten what the sun looks like.  Otherwise, beautiful territory.

Ted, KN1CBR


On 7/26/16, 1:16 PM, "Don Wilhelm" <[hidden email]> wrote:

Ted,

The answer is if you want to go to some bit of trouble, yes you can use
the KAT100 in the EC2 enclosure.  If you want to do it only once in a
while, then you can, but if you think you will do it frequently, you
will want another KAT100.

You will have to electrically disconnect the KPA100 in the EC2. You can
disconnect it by removing the right side panel and unplugging the ribbon
cable, the power cable and the input coax.
Disconnect the short PL-259 to PL259 coax from the KAT100 RF IN jack and
connect a longer cable from your new K2/100 to this RF IN jack.

You will have to power the KAT100 from the 2.1mm coaxial jack.

You will need to have a control cable from the K2/100 AUX IO to the DE-9
connector on the KAT100. (if you are using this connector in your
current configuration, plug it into the KPA100 - the one in the EC2
enclosure - AUX IO connector instead, it can stay there).

You will need to build a 2nd control cable as shown in the KAT100 manual
(it can have the cable to the computer too, but that is not required).

If desired, put the right side panel back on the EC2 enclosure, although
it will operate just fine with it off.

When you are finished using the KAT100 with your new K2/100, restore the
internal cables between the KPA100 and KAT100 and re-do your external
cables.

With the KPA100 on the base K2 enclosure, you will not need the KIO2 -
in fact, there will be no place to put it.

73,
Don W3FPR


On 7/26/2016 1:57 PM, Dauer, Edward wrote:

> I am just about to order my second K2 – principally for the experience of building it, but also to have an additional configuration in the station.  I have a question about using a K2/100 with an existing KAT100 already in an EC2 with another KPA100.
>
> Specifically:  I already have a K2/10 with the internal low power tuner, the KAT2.  And I have a KPA100 with a KAT100 in an EC-2 enclosure.  What I am about to order will be a K2/100, i.e. another K2 with its own internal KPA100.
>
> There may be occasions when I will need an ATU for that soon-to-be K2/100.  The easiest option would be to build another KAT100 in the low-profile box.  But to lower the total cost I was thinking I might on those occasions use my existing KAT100 in the EC-2.  Can I do so?  The problem is that the existing KAT100 is wired into the existing KPA-100 within the EC-2.  There is an 8 connector ribbon cable, as I recall, conveying power and control data from one to the other.  That makes me wonder whether the KAT100 already tethered to its KPA100 in the EC-2 could work with an outside KPA100 in the new K2/100, without having to open the EC-2 and undo the control line connection every time?
>
> A second question is whether, for the same purpose, I would need a KIO2 in the soon-to-be K2/100, assuming I can use the EC-2’s ATU with it?  The KPA100 in the new K2/100 will have its own RS232.  Will that be sufficient?
>
> Thanks for any insights anyone can offer.
>
>



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KX-2 well alrighty then!

w5sum
it will be here friday! my 20th anniversary gift from my Bride!

W5SUM Ronnie
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Re: KX-2 well alrighty then!

Jim GM
That’s just great!

Next thing to do is to work on getting her to say Go with the guys to Dayton and buy what ever you want!

Cheers 😉

Jim K9TF

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Re: KX-2 well alrighty then!

w5sum
In reply to this post by w5sum
Dayton is on the list for next year!

Jim GM <[hidden email]> wrote:

>That’s just great!
>
>Next thing to do is to work on getting her to say Go with the guys to Dayton and buy what ever you want!
>
>Cheers 😉
>
>Jim K9TF
>
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>
>This list hosted by: http://www.qsl.net
>Please help support this email list: http://www.qsl.net/donate.html
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Re: K2100 and KAT100 Question and a side note about Alaska

Edward R Cole
In reply to this post by Edward A. Dauer
Ted,

Can't tell you how often folks with lower-48 experience expect to
take a vacation in late August or September during "the cooler sunny
fall months".  Maybe where you live its like that in August-September
but in southcentral and southeast Alaska its time for the fall
monsoons.  Summer wx up here is great from mid-May to mid-July after
which the wx shifts to the rainy season and temps drop.  In parts of
AK first frost arrives the third week of August and leaves start
dropping.  Our trees are bare by end of Sept.

But the coastal climate from the Alaska Peninsula thru Anchorage -
Prince William Sound down the SE coast is overcast rainy and 50-60F
wx starting mid to end of July.  Oh it stops raining about every
8-9th day so one can mow the lawn which has grown 6-8 inches in
between "dry" days.

We had a super nice summer this year with up into the 70's sunny and
clear.  But that is over now (except very occasional day or two thru
fall until it snows (usually by Halloween).  Except the last three
winters have been unusually warm with above freezing temps and nearly
no snow (I plowed only two time last winter).  Normally we have 18-24
inches of snow cover all winter with temps down to -15F and a very
few down to -25F (not seen in almost 8 years).

Welcome to global warming!  Not a theory up here.

73, Ed
PS I've lived up here for 37 years so have seen the change.

At 03:32 PM 7/26/2016, Dauer, Edward wrote:
>snip-------
>
>Incidentally, in case Ed Cole, KL7UW, is reading the mail, I have
>been cruising the inside passage for the past week, Sitka today and
>heading for Anchorage two days from now.  Is it always incessant
>cold rain this time of year?  Never mind sunspots; I have forgotten
>what the sun looks like.  Otherwise, beautiful territory.
>
>Ted, KN1CBR

73, Ed - KL7UW
http://www.kl7uw.com
     "Kits made by KL7UW"
Dubus Mag business:
     [hidden email]

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