Phil
Others opinions may vary, but here is my experience - a K2 works well without
DSP.
Yes you already likely heard a base K2 is all analog. But note that is has
this
feature - the xtal filter bandwidth is programmable. I literally have mine set
up for 700, 400, 250 and 100 Hz
I can share my recent experience in the ARRL CW DX contest.
I have a K2/100 with no additional filtering (i.e., no KAF2 or KDSP2). I
had
the variable bandwidth crystal filter set to 1000 Hz, 500 Hz, 300 Hz, and
150 Hz.
I ran most of the contest set to 150 Hz.
There were a few times when I felt
On Feb 27, 2011, at 3:32 PM, Bill Coleman wrote:
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Hi Phil,
I would agree with those who prefer the KAF2 over the KDSP2, I have
them both and have reinstalled the KAF2. All analogue antenna to
ear.
One or the other is a must have. I noticed a huge improvement in
the reduction of high frequency hiss from the audio stage with the
KAF2
: Phil Hystad phys...@mac.com
Subject: [Elecraft] K2 Kit Questions
To: Elecraft Reflector Elecraft@mailman.qth.net
Date: Monday, February 7, 2011, 4:51 PM
Gang,
So, I am thinking that another kit is in my future. I
have a K3 and a KX1 and I am thinking about the K2. I
would be using it for CW
Gang,
Thanks for all the comments in answer to my question about the K2 Kit. As
usual, this group is a real benefit to learning all about the Elecraft stuff.
My K2 plans look like this:
1. Basic K2 Kit, QRP only.
2. Internal ATU.
3. KAF2 Audio Filter.
4. KIO2.
I am in no rush to get the
Phil,
For me, that is an awfully wide filter for CW. I normally tune CW with
a filter set to 700 Hz. a 2.4kHz wide filter hears a lot more of the
band - too much for me.
OTOH, there are some operators who like to use a wide filter to hear a
lot of what is going on around their frequency.
Phil -
I would definitely recommend considering the SSB option. As another
person mentioned, you will need it if you are contemplating using one of
the data modes. There is even the (remote) possibility you might want
to use SSB at least occasionally grin.
However, the beauty of the K2
Hi Phil,
I am exclusively a QRP CW guy. I put the KAF2 audio filter in my K2. It works
great but I have only used it a couple of times. (I've had it for about 7 or 8
months.) The regular audio filter settings on the stock radio do a very good
job for casual operating. The K2 is a lot of
Don,
I still use a fairly wide filter (1 KHz to 1.5 KHz) on my K3 when I am hunting
for CW signals or listening to broad activity. I have the P3 also that helps
out a bit but I usually do not close down my filter until I establish contact
and have narrowed down to the other operator. Then I
Phil,
The K2 variable filter can be set for any width that you desire It is a
5 crystal Cohn filter whose design width is about 400 Hz. The CW filter
width defaults are 1.50 kHz, 700 Hz, 400 Hz and 100 Hz, but there is no
reason you have to stay with the defaults. There are 4 CW filter
A really wide setting is useful when scanning a dead CW band. Rather than
tune very slowly, it tune at a moderate pace with a very wide setting. When
the signal is weak, it's the changing tone as I tune that alerts me someone
is in there.
Ron AC7AC
-Original Message-
Don,
I still use
Gang,
So, I am thinking that another kit is in my future. I have a K3 and a KX1 and
I am thinking about the K2. I would be using it for CW and QRP or 2*QRP only.
So, I wouldn't plan on getting the SSB option and I am not planning on the 100
watt PA or the ATU.
But, I do have questions
Replies in-line
- Jim, KL7CC
Phil Hystad wrote:
Gang,
So, I am thinking that another kit is in my future. I have a K3 and a KX1
and I am thinking about the K2. I would be using it for CW and QRP or 2*QRP
only. So, I wouldn't plan on getting the SSB option and I am not planning on
Hello Phil,
My answers to your questions would be:
1. Question: is the radio a completely analog radio (no DSP) if you DO NOT
buy
the DSP filter option?
Yes, completely analog. Even the KDSP2 is the audio stage.
2. Question: is the DSP filter worth the money?
Personally I don't think
Phil,
The K2 RF stages are all analog. Any digital signals are for control
purposes. The VFO is a PLL/VCO implementation.
You will get varied opinions about the KDSP2 vs. the KAF2 for CW use.
Some like the DSP, others prefer the KAF2, while others advocate that
the variable width IF
On 7 Feb 2011 at 16:51, Phil Hystad wrote:
2. Question: is the DSP filter worth the money?
3. Question: is the Audio filter useful? Is the Audio filter still
useful if I buy the DSP filter?
I am an exclusively CW op. I have the KAF2 fitted but it is never used.
It may be useful for
寄件人﹕ Dave Sergeant d...@davesergeant.com
收件人﹕ Elecraft Reflector Elecraft@mailman.qth.net
傳送日期﹕ 2011/2/8 (二) 2:46:28 PM
主題： Re: [Elecraft] K2 Kit Questions
On 7 Feb 2011 at 16:51, Phil Hystad wrote:
2. Question: is the DSP filter worth the money?
3. Question: is the Audio filter
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