While I do not endorse ESSB, it seems to me the dogs were let loose almost
immediately.
Doesn't this go against list guidelines?
I don't understand why Eric let this go on.
73
Mike R
Check out the QRZ app
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STOP IT !!
On Apr 27, 2014, at 11:11 PM, mikerodgerske5gbc--- via Elecraft
elecraft@mailman.qth.net wrote:
While I do not endorse ESSB, it seems to me the dogs were let loose almost
immediately.
Doesn't this go against list guidelines?
I don't understand why Eric let this go on.
I was the one who asked what I thought was a simple and logical question about
the receive audio bandpass of the K3. Now after having page after page of
lecturing me and others about the evils of ESSB, I am sorry for asking and
disappointed in many of your responses to my question.
Elecraft
Fellow Elecraft owners,
It seems that about every 6 months or so I make my post to the list.
My mail rules would work very well if everyone would use the suggested
format for the subject line. I quote:
4b. When emailing about a specific rig or option, please add the
rig/option name(s) to the
Hello everyone!
I have a K3/HRD question:
When using the DX cluster and the BandMap (the one with the vertical band
display and all the call signs on the right of it) i'm able to switch bands by
double-clicking on the spot in the cluster window. No matter what band the K3
is presently on.
But
Hi,
All the ESSB talk got me wondering about how accurate the P3 might be
for measuring bandwidth. Could someone review my method for this
outlined below and comment please:
1. Use ATT if needed to avoid very strong signals
2. Set bandwidth to 4 KHz. See note below.
3. Adjust Span on P3 5
Larry,
I have been totally polite to you, and everyone else in this
interchange. I have politely asked you questions, (without adding
prejudice to the question), and I have not gotten a single answer from
you. I did get an answer from W0MU, and for that I am grateful, he and
I disagree on the
As an aside, I will only be answering this and other ESSB questions via
direct email from now on...
--
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net
for MixW support see;
http://groups.yahoo.com/neo/groups/mixw/info
for Dopplergram information see:
I believe that the P3 is tapped prior to any BW restrictions,
Correct. I think the best way to measure an SSB signal's bandwidth on
the P3 is to turn on peak hold. After a few seconds the spectrum
display will show a pretty accurate picture of the spectral shape of the
signal
Alan N1AL
'Bandwidth' is measured by specifying some number of dB that a signal is
down at a particular offset from the center frequency. A measurement in
Hz alone is therefore meaningless.
I suspect that the number of dB needed to make the waterfall display of
a signal disappear depends on various
Hello,
Between Vic's, and Alan's answer I have what I need, thank you all!!! I
can now measure bandwidth, and tell how many db down a signal is vs.
it's width. Thank you gents!
Peak hold, then measure! :)
--
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net
On 4/28/2014 8:37 AM, Vic Rosenthal K2VCO wrote:
What should work is to use the spectrum display of the P3. If you want
to know, for example, the bandwidth of a signal at 30 dB down, you
just find the points where the 'skirts' of the signal are 30 dB below
the peak. This is easy to do on the
Thank-you for your support. The last of the supplemental heat sinks of the
current production is on its way to Sweden. I am now accepting
pre-production orders for the next generation of Cooler KX heat sinks.
Cheers, Fred.
--
View this message in context:
David,
Your assumption is correct. The P3 should show you the true width of
the signal.
73,
Don W3FPR
On 4/28/2014 10:08 AM, David Cole wrote:
Hi,
All the ESSB talk got me wondering about how accurate the P3 might be
for measuring bandwidth. Could someone review my method for this
Jim,
Thank you for the extended explanation, it helps! I want to be sure I
understand the rig, the Panadaptor, and how they interrelate. THank
you again!
--
Thanks and 73's,
For equipment, and software setups and reviews see:
www.nk7z.net
for MixW support see;
Of course it is.
If you would understand that SSB is simply audio mixed up to R-F, you would not
have this mistaken idea. We normally do it in two steps, audio to I-F, I-F to
R-F, but that's all it is, a frequency conversion.
Certainly, if you take a 2 KHz band of audio frequencies and run
Fry's has a special discount on the Logitech K360 wireless keyboard that is
popular with the P3SVGA.
http://www.frys.com/product/7938420?site=frys_promo_ecampaigndate:042814
The in-store price with the secret in-store $6 promo code is only $8.
The code is 8313460, which came from their weekly
Gentlemen,
This thread is now closed.
I apologize for not stepping in earlier, I was off-line most of the weekend.
In general, please do not argue on the Elecraft list pro/con about various
emission modes like ESSB, CW vs no-code, QRP vs QRO, Contesting etc and their
appropriateness to
Is there a swr foldback setting in in the kx3? I can't find such. my friends
kx3 keeps folding power back while swr is 1.1 or 1.2. I suspect it should not
until at least 2.1. any help?
Reggie k6xr
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Is there a way to disable the W2.exe from scanning for W2. I have many
virtual com ports on my computer, some of which are over the network, and it
takes nearly one minute for it to timeout the scan on program launch. Is
there any command line switches to make it not autoscan and try an
If you understood that if you have 3.0 kHz of IF and clip off some of the
lows and some of the highs from the audio. It's not the same as only having
2.3 kHz of IF.
Keith
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View this message in context:
In that case, Rsther than SWR, the fold back is more likely due to low or
drooping supply voltage. Could also be due to temperature, if you are running
the radio hard.
73,
Matt VK2RQ
On 29 Apr 2014, at 5:14 am, Reginald J Mackey SR k...@icloud.com wrote:
Is there a swr foldback setting in
Chris,
Go into Setup and select the port that you want to use for the W2.
That selection should be sticky.
Once that port is selected, it will not scan for eligible ports.
73,
Don W3FPR
On 4/28/2014 3:15 PM, Chris Johnson wrote:
Is there a way to disable the W2.exe from scanning for W2. I
Odds are it's PA temperature issue. I believe the
power will roll back when 60 deg-C is reached.
That should only happen in high duty cycle modes
(digital, FM, etc.), not in CW or SSB. If he's
getting roll back in SSB or CW there must be some
other issue.
73, Phil w7ox
On 4/28/14, 12:14
Thanks, Eric; I had been hoping this would be policed and a reminder
issued. I had no part in the discussion; but I must say that it was in
some ways and on some contributors' parts a disappointing conversation.
The problem is not simply that it takes up space and time, but more
importantly
On 4/27/2014 9:26 PM, David Cole wrote:
The legal issue will sort itself out. If ESSB does not have it's own
emission definition, (one accepted by the FCC), and is classed with SSB,
then it is not legal.
Both conventional SSB and ESSB have the same emission designator - A3J
- when used for
For a look at good bandwidth control, tune down into the AM
broadcast band with the K3 and P3. Note that AM stations are
powerful enough that you can receive them at the upper end of
the broadcast band even without the extended receive option for
the K3.
When I tuned down there in the San
No, it isn't actually. It scans all com ports when start up. I can see it
when it starts up on my remote base. Even when you have selected a port.
I actually want a smaller version of the W2 so that it just shows 2 bars.
Call it a 'compact' mode view.
Mike va3mw
On Mon, Apr 28, 2014 at
Hi Phil - This thread has been closed. Please see my earlier posting.
73,
Eric
elecraft.com
On 4/28/2014 1:41 PM, Phil Kane wrote:
On 4/27/2014 9:26 PM, David Cole wrote:
The legal issue will sort itself out. If ESSB does not have it's own
emission definition, (one accepted by the FCC),
Don maybe should have stated if you have a port selected that is available
then it will not scan.
Keith
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Hi,
I've been trying for the last four days to figure out what is wrong with my
rig. I'm at Phase 2 Test and Alignment and got to testing the frequency of
the VCO. It had a reading of 0. Also the voltage on R30 was 7.87V.
This is consistent with the VCO not oscillating. The reference
On 4/28/2014 8:57 AM, David Cole wrote:
Between Vic's, and Alan's answer I have what I need, thank you all!!! I
can now measure bandwidth, and tell how many db down a signal is vs.
it's width. Thank you gents!
As others will probably tell you as well, Occupied Bandwidth is defined
as the
On 4/28/2014 11:10 AM, Jim N7US wrote:
Fry's has a special discount on the Logitech K360 wireless keyboard that is
popular with the P3SVGA.
That's a nice keyboard, but my fingers and brain demand one with the
F-keys on the left side, the Ctrl and Alt keys straddling the left-side
Shift key,
The only time I remember seeing keyboards with function keys on the left was
the summer I interned at Boeing in the 80's, but you can still get buckle
spring keyboards (with USB interfaces now) from
http://pckeyboard.com/
73, Byron N6NUL
Sent from my iPad
On Apr 28, 2014, at 17:44, Phil
I, too, disliked it when the transition to AT-style keyboards, with all
of the function keys along the top, was made.
Unfortunately, after a while, my old original keyboard, and my wife's,
gave out and we had to adjust.
My first professional programming jobs involved using the good-old IBM
Right you are! I think this is what Phil (the
other Phil, not this one!) likes:
http://pckeyboard.com/page/category/PC122
73, Phil w7ox
On 4/28/14, 6:10 PM, Byron N6NUL wrote:
The only time I remember seeing keyboards with function keys on the left was
the summer I interned at Boeing in
Joseph,
The first thing to check is T5. The direction of the windings is
critical, and the leads must be in the proper holes as shown in the
diagrams in the manual. In other words, the sense (direction) of the
green wire turns on T5 must be the same as the direction of the red wire
Don,
Thanks for the reply. I should have mentioned that I checked the windings on
T5. Pins 1 and 3 should be coming out of the top of the core, no? That's what
I have. I also used the yellow core for the transformer.
Thanks,
Joseph
On Monday, April 28, 2014 8:43 PM, Don Wilhelm-4 [via
I am trying to set up the K3 Sub Rx audio to come out on the right Line
Out. I hear nothing on that side. The Main Audio is fine on the left
side.
I can't find anything about a setting that would control this. I
thought it would be automatic.
Can someone point me in the right direction
Yes, leads 1 3 should come out the top of the core. However, you also need to
make sure the windings are in the same direction, like in figure 6-16,
otherwise you are applying negative instead of positive feedback, and the VCO
won't oscillate.
Also, make sure leads 1 2 are both red, and go
Joseph,
Yes, leads 1 and 3 should be coming out of the top of the core, but the
leads must look like the illustration on page 56 of the manual, the
green wires must not cross over each other, but be wound between the red
wires.
You can check with the internal counter probe or the RF Probe
Can you hear the subrx in the headphones or speaker?
-
73, Stan - KR7C
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