Fred and Van,
Some comment follows.
On June 09, 2012 at 7:03 AM, Fred Jensen K6DGW wrote:
snip
OK Van, multiple questions. What most folks call splatter is caused by
driving the last amplifier stage into saturation [i.e. it can't produce
any more power so it clips off the peaks]. It
Chris,
With a voltage at U6 pin 4, an indication that does not follow the
voltage at pin 4 tells me that the U6 input was damaged.
73,
Don W3FPR
On 6/9/2012 12:14 AM, cmeag...@dodo.com.au wrote:
My K2 has recently been repaired after a polarity reversal of amp
connected to it blew out the
NAQCC Sprint Tuesday night!
Our June sprint is this coming Tuesday evening local time (May 16, EST -
8:30-10:30PM, CST - 7:30-9:30PM, MST - 6:30-8:30PM, PST - 5:30-7:30PM), which
translates as Wednesday June 13, 0030-0230Z in all cases.
I will refer you to the proper URL:
On 6/9/2012 5:14 AM, Geoffrey Mackenzie-Kennedy wrote:
the reason why a typical ALC can be responsible for splatter is because
these ALC systems sample the output of an amplifier and/or exciter, and due
to time delays cannot throttle back the drive power immediately.
The ONLY proper ways to
What have these last few posts got to do with interpretation of the P3
display?
-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Geoffrey
Mackenzie-Kennedy
Sent: Saturday, 9 June 2012 10:14 PM
To: Elecraft Discussion List
Van did ask , and I quote:
Is this what is known as splatter? Is the station overdriving their
transmitter or linear? Is their ALC or compression too high? Is the
frequency
response of their microphone too wide?
73,
Geoff
LX2AO
On June 09, 2012 at 4:19 PM, Adrian vk4...@bigpond.com wrote:
The replies directly answer the initial poster's question about
the cause of what his P3's display was likely showing.
73!
Ken - K0PP
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Hi All,
At Dayton a few weeks ago I got to test drive a number of Tony's paddles.
I was walking around with my friend Jay, W5JAY, who knows Tony very well.
We spent a fair amount of time chatting, and while Jay and Tony were
discussing various things, I spent a good bit of time trying out
Anything that represents a transmit non-linearity can cause splatter,
and a very quick change in gain represents a non-linearity.
My ICOM 756Pro was one of those offenders that used an internal ALC to
set the power level. The internal delay in the ALC caused nasty power
spikes at the
And thanks to our friend Jay for introducing me to Tony's paddles, I'll
have $450
less in the bank at the end of next month, but I will have a ZN-V
vertical paddle.
The ultimate test will be whether it can displace the honored position
that my
Mercury paddle, that I bought several years ago at
Got my K3/0 and RemoteRigs this morning.
Everything works perfectly except transmit audio. MIC SEL is set to rP.L.
Using factory cables, all set up like the book says they should be.
Any ideas?
Thanks
Eric
W1NEJ
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Elecraft
I just completed assembling a K1. It works fine on receive and transmits
properly on B1 but not on B2.
I have two 2 band filter boards, a 40/20 that I've had for a while and a
30/17 that I just built. Both work the same in the K1. I have full power on
B1, but nothing on B2. The display shows 0.1
Bruce, N7RR has 15 articles available through the ARRL. His two part series
on 'Popular Dual-Lever Keyer Paddles' (May and June 2010) may be the one
Dave suggested. Bruce has also written other QST articles on keys as well as
several on Elecraft products. If you search his call in the ARRL
Is anyone using the Byterunner USB Serial Adapters (RS232) in their Elecraft
stations? My interest is in adding RS232 ports to my USB only laptop. The
single
USB adapter from Elecraft is working fine but if I need to speak directly to
any piece of equipment I have to shut down my logging
Thank you for that info, Gary. I am also going to look it up.
Tim Herrick, KQ8M
Charter Member North Coast Contesters
k...@kq8m.com
K3 Serial #5934
AR-Cluster V6 kq8m.no-ip.org
User Ports: 23, 7373 with local skimmer, 7374 without local skimmer
Server Ports: V6 3607, V4 Active 3605, V4 Passive
David, what are you saying? Do the GU74bs dislike or do they tolerate the
spike? You left out an important word in your previous statement. Thanks,
Roy W4WFB
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Eric:
If you are using the factory cables RRK0CBL, then the microphone (MH2) plugs
into the front panel of the K3/0, so I think you need to set the MIC SEL to
fP.L (or H)
73, Doug VE3MV
- Original Message -
From: Eric Jorgensen eric.jorgen...@me.com
To: elecraft@mailman.qth.net
Also forgot to mention that the MH2 needs bias and JMP1 needs to be in place
in the Control RRC - see 2nd page of the K3 Twin section of the RRC User
Manual.
73, Doug VE3MV
- Original Message -
From: D Joyce d_jo...@sympatico.ca
To: Eric Jorgensen eric.jorgen...@me.com;
40-30-20 meter Elecraft KX1 with KXAT1 and KXB30 installed.
- Unbuilt KXB3080 30M/80M adapter included.
also included are the following:
- Whiterook MK-44 paddle cable
- Koss earbuds
- Dual binding post to BNC adapter
- Fiberglass hard case with foam
All for $425 including shipping CONUS.
No, the mic cables I got plug in the back of the k3/100 and the k3/0.
I discovered the problem *may* be that I was using the XMIT button on the k3/0.
It seemed to work using the ptt on the mic. I always use the XMIT to key the
radio. Using XMIT button did key the radio but there was no audio.
The KX3 optional paddle will *not* be going on the shelf after all! I
figured out I can leave it attached to the KX3 at all times and set the
speed control to 30 wpm. Then I set the menu item CW Key 1 to HAND
and I can plug in my bug, 'swiper, or straight key at the same time.
This allows me
I know this has been discussed often, but, when I was looking for the info
recently, I could not find it in the
archives.
At any rate the HD15 Y cable is available from www.cablewholesale.com as P/N
10H1-27708. It is a quality product.
Maybe it is useable for K2 folks also, but I wouldn't
Quick question. My K3 keeps switching back to 6m when I turn it to 2m. It
will go to any frequency on 2m and then a second later switches back to 54.0
MHz. Any thoughts?
In the middle of the VHF contest, will look this up in parallel.
Thanks,
Keith
Just to clarify:
The mic is plugged into the front of the k3/0. The mic cables from the remote
rig boxes are plugged into the mono mic jacks on the back of the k3/100 and
k3/0 as specified in the instruction manual.
When you bring up the menu on the k3/0, you are bringing up the menu on the
Are you running NaP3? I encountered the same thing and found you need to
go into the NaP3 setup and set the highest frequency to 148 MHz. It's 54
by default, so the rig control function of the software will always QSY
you to 54.000 until you change it.
If you're not running NaP3, perhaps
love his guy's work,
Chuck K7QO had an article on one of his keys once,
this was my intro to these good looking paddles, etc
here's a link to his site: http://www.n3znkeys.com/
Al ve3gam
- Original Message -
From: Gary n6...@cox.net
To: elecraft@mailman.qth.net
Sent: Saturday, June
Randy,
Thanks that was the ticket!
Really appreciate it.
Keith
From: Randy Farmer
Sent: Saturday, June 09, 2012 2:20 PM
To: Ham Radio ; elecraft@mailman.qth.net
Subject: Re: [Elecraft] 2m Transverter keeps switching back to 6m
Are you running NaP3? I encountered the same thing and found you
The only path through the KFL1-2 that is not in common use for both bands is
the pre-mixer bandpass filter connections at P1/J6, where band 1 path goes
through pin 1 and band 2 path goes through pin 2. This suggests that you need
to check the RF board from J6-pin 2 back to U7 pin 5, including
On Sat, Jun 9, 2012 at 1:10 PM, stan levandowski sjl...@optonline.netwrote:
The K3 has separate key and paddle inputs so I can do the same thing, of
course, *but then I need to remember to set two keys side-by-side on
the operating desk which takes up room*.
I solve this by putting all
Do you have any software with radio control capability (e.g. a logging
program) connected to the K3? If so, does the problem still happen if
you disable the software control?
73,
Rich VE3KI
AG6AZ wrote:
Quick question. My K3 keeps switching back to 6m when I turn it to 2m. It
will go to
Sorry ...
Amplifiers with a pair of GU-74Bs typically want to be driven at less
than 50 watts for full legal power, and from what I understand (I'm not
an expert) their screen grids can be damaged with excess drive levels.
Those amplifiers almost always have pretty sophisticated drive
I wrote:
...including the pin on the SA602 that is plugged in at the socket.
Ignore that part...U7 is soldered in...there is no socket.
Mike / KK5F
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Hi Harold,
On 6/8/2012 2:45 PM, Harold V wrote:
I have a question for the group regarding interpretation of the P3 display of
SSB signals.
Primarily I use it to spot stations on quiet bands or spot openings on busy
bands. But I am trying to gain a better understanding of what it is showing
Of course it dislikes the spike as every other tube or transistor does.
However some of the GU74B amplifiers have sophisticated protection circuits
that every spike trips , while an unprotected tube amplifier wouldn't notice
it.
73, Val LZ1VB
David, what are you saying? Do the GU74bs
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Gu74B, aka 4CX800A, is a tetrode, a pair used in Alpha manual tune amps
since the 91B, replaced recently with 4CX1000A's in the Alpha 8410. The
4CX1000A's have the same protection needs. The same protection needs exist
for the 4CX150A's in my ancient Tokyo Hy-Power HL-1K, but it's not there
and
It is not unusual to see a wide variation in SSB signal bandwidths having
nothing to do with improper operation or distortion products.
Some rigs, especially older rigs, have wider filters or filters with much
more shallow skirts than others.
Then there are phasing rigs with only audio
Good Evening,
What an event filled week. First a partial lunar eclipse and then
the second transit of Venus. In 2004 I was unable to find a break in
the clouds. This time around I was able to sneak 15 minutes of viewing
out of the event by waiting for the holes in the clouds to pass over
Doug ~~
Here is what I found:
When I first hooked up the K3/0 it was sitting on the desk next to the K3/100,
and everything *seemed* to work the first time.
But, I had not switched the K3/100 mic to rear panel. I just plugged
everything in and powered it up. So, when I press XMIT on the
Why is the KX3 coming out it seems one at a time.
They are still only shipping second day orders
Are there bugs?
I ordered March 29, do I have hope of seeing mine before the World Series?
Burt
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Hi Don,
We have a long weekend here, so I've been able to get back to this.
I reflowed RF board and KSB2 board, with no improvement.
I then took out the KSB2, inserting the previously removed links and the
capacitor (effectively returning radio to pre-KSB2 state). The noise
problem on X1 goes
The weekly Elecraft SSB net will meet tomorrow (6/10/12) at 1800Z on 14.3035
MHz +/- QRM. I will be the net control station from Oregon. See you there.
73,
Phil, NS7P
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A very good indication of an overdriven amplifier or otherwise distorted
signal is when you see energy on the wrong side of the (suppressed) carrier
of an SSB signal, as well as the expected sideband energy. This is obvious
on the P3, and has a completely different appearance than a signal that
I got my KX3 kit (s/n 268) earlier this week. I had a few day pause in
building it while I waited for a couple of missing parts to come from Aptos.
I finished it today. It's a beautiful little rig. The only thing that I
have noticed so far that I am not wild about is that the VFO A knob (main
Phil, this is normal, and intentional. In keeping with the portable ethos of
the KX3, having a completely free-wheeling VFO knob is not particularly
desirable. It helps prevent unintentional frequency shifts. I think you will
find that you get used to it.
73,
Bruce, N1RX
I got my KX3 kit (s/n
Mike,
It is on the KSB2 board somewhere. Check everything on the end of that
board containing the filter crystals. Check T1 and T2 to be certain all
the leads are well stripped, tinned and soldered and be sure there are
no shorted turns on those toroids. I recently repaired a K2 that had
Van , It seems you weren't interested in answering whether you use the P3
waterfall display or not,
however a clean signal regardless of audio bandwidth will have clean
straight sides on the column,
whereas a signal containing excessive IMD products will show horizontal
spikes protruding from
Hal my issue is the same whether I have the 40/20 or 30/17 board installed so
it would need to be two crystals - one on each board. I guess that's possible.
I have another k1 with a 4 band board, but I'm hesitant to put that board in
because I think its also possible that something on the rf
Is anyone else seeing the following: KXPD3 randomly fails to produce a
*beginning* dit - happens infrequently; perhaps once or twice every
couple hundred characters. Issue does *not* occur with external paddle
via key jack on left side.
Keying speed does not seem to be a factor.
Only
Burt,
I think your impression may be blurred. The ship rate is increasing -
yes, it is one at a time from each of the kit and factory assembled
lines, and that is the way it is intended to be - full attention to
each, one at a time, but many in one day. The rate is increasing.
The problem
I thought that could be the reason. Along the lines of the two button
turn-on sequence to prevent accidental power-ups in a pack. This is a
wonderful K2 replacement for my SOTA pack. Thank you.
73,
Phil
-Original Message-
From: elecraft-boun...@mailman.qth.net
Phil,
Going back to the K2 days, a fully free-spinning VFO knob is not
desirable, if the knob is bumped in any way (or even drumming fingers on
the table), the frequency can change.
I can't say that the KX3 is exactly the same as the K2, but if you hold
the KX3 so the encoder shaft is vertical
Stan,
Information from Wayne on May 15 is below - try it.
73,
Don W3FPR
---
A few KXPD3 users have found that the paddles operated intermittently.
This can be easily corrected.
First, completely remove one of the paddle
Don, thanks. I guess I missed this. Also my KX3 was shipped on June 4
and arrived on June 7. According to Wayne's note, mine should have been
modified prior to shipment, but I'll check it out anyway tomorrow. Many
thanks, Stan WB2LQF
On Sat, Jun 9, 2012 at 5:29 PM, Don Wilhelm wrote:
My take on this is that there will be probably more home/portable users of the
KX3 than those using it mobile in a car...in any event why not make the degree
of friction adjustable by the user?
I hate to have to grind away trying to turn a main tuning knob when
operating...my K2 knob is
Don, that was a very quick and effective fix. Just had a nice QSO on
40M with the KXPD3 paddles and no problems at all now.
73, Stan WB2LQF
On Sat, Jun 9, 2012 at 5:29 PM, Don Wilhelm wrote:
Stan,
Information from Wayne on May 15 is below - try it.
73,
Don W3FPR
Stan,
If that does not fix it, it is time to contact support.
73,
Don W3FPR
On 6/9/2012 8:34 PM, stan levandowski wrote:
Don, thanks. I guess I missed this. Also my KX3 was shipped on June 4
and arrived on June 7. According to Wayne's note, mine should have been
modified prior to
Thanks Mike. I double checked all solder joints and components in the area. I
also checked all voltages on U7. They are correct. Guess it could be the chip.
BTW the chip is the alternate, the 612.
Joe
Mike Morrow k...@earthlink.net wrote:
The only path through the KFL1-2 that is not in common
I agree with Bruce. Whey I want to QSY fast, I change the RATE via
the push button, and can be at the other end of the band in a few
turns of the tuning dial. Another trick I do is -not- use the dimple,
but place my index finger on the ribbed dial grip and spin the dial by
letting it
Hi,
I have a KPA500 amp and have some issues with it. I ran on my Cushraft R-8
vertical with fault (SWR) problems. I went to use it on the VHF contest with
my meager 3 element yagi and it faults out? Hunhh? Checked the VSWR with a
meter and my antenna analyzer and it shows a 1.2 to 1
Another option is to use the VFO B to for more coarse tuning.
Dave Higdon KD4ICT
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Hi Kent.
It could be an RFI issue but it could also be a faulty connection somewhere
that won't pass enough current for high power.
Do the KPS's SWR LEDs light up like a Christmas tree when you operate
barefoot at about 100W with the KPA in standby? If so, you clearly have a
problem with
Joe,
There is no grinding involved, just use the allen wrench supplied to
loosen the VFO knob setscrews and adjust for more or less drag between
the knob and the felt washer. The optical encoder is quite
free-spinning, and if there is not enough friction, unexpected
frequency changes can
Joe,
There is no difference between the SA602 and the SA612. They come off
the same line and while they all conform to the better SA612 specs,
some hams are convinced that the SA602s are better, so they label some
of them '602 - You will find many ham laments about the demise of the
'602.
Many thanks for the info Don...makes my mind rest easy (grin)...I do like the
free spinning tuning on my K2 and K3.
I should know from past experience that Elecraft wouldn't field a rig that
wasn't just superb.
I don't have a KX3 yet...ordered a kit on 18 Feb and still waiting (sigh).
And so
I'm OK with it, but my encoder shaft does not appear to be free spinning.
Keeping the knob away from the felt washer still shows drag. I'll give it
some time. Probably OK as it is.
73,
Phil, NS7P
-Original Message-
From: elecraft-boun...@mailman.qth.net
Joe,
The shipping estimates for orders placed *today* is 90 to 120 days, so
if you ordered earlier than yesterday, your KX3 should arrive between
Aug 09, 2012 and Sept 09, 2012. I suspect your order date is before
yesterday, so your shipment should be prior to that time range. It will
not
Just as a reference point, my order confirmation for a kit was 44 minutes
after the opening email announcement. I got my kit on Tuesday (6/5/12).
Shipped 6/1/12). Then three more days to get all of the needed parts.
Worth the wait, however! It will probably be on a SOTA summit this coming
week!
Jim and All,
Bruce Prior, N7RR, wrote several QST articles about paddles he had tested.
In March 2009, there is one on High End Dual Lever Paddles. That one
includes the Mercury, the Begali Sculpture, and a top end N3ZN paddle. Then
in May 2009, he followed up with an article on Portable
As the prior poster has suggested, the RF board path from from P1 pin 2
to U7 pin 4 is suspect...
Not really. That's the band 1 path, for which satisfactory performance was
reported.
...as is the path between P1 pin 1 ans U7 pin 5.
Which, assuming the fault does not stem from the same
Did anyone else on this list give this class a go? I'm just finishing up a
monster of a final exam, having spent thirteen hours on it today (got an A
in the course, woo hoo.)
I would like to thank Bill profusely for posting the message before the
start of the class. I certainly would not have
I can't figure out how to set the ACC2IO on the KX3 so that it will key the
KPA500 properly. I currently have the ACC2IO in the off position. When I
connect the cable between the ACC2IO and the PA Key on the back of the KPA500
it puts the KPA500 in a transmit mode. I have to manually put the
The K3's VFO encoder shaft has bearings that allow it to freewheel.
The KX3's doesn't have these. I doubt this will change.
With a portable transceiver, it's better if the VFO stays where it's
put. This attribute also assists in mobile ops with a lot more lumps
and bumps to the VFO.
73,
matt
Thanks all. I checked all solder joints and components in the pre-mixer and
reflowed solder on U7. Still the same. I'll try the 4 band board tomorrow.
Joe
Don Wilhelm w3...@embarqmail.com wrote:
Joe,
There is no difference between the SA602 and the SA612. They come off
the same line and while
74 matches
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