Hi.
My K3 has a standard 2.7 Khz ssb filter, a narrow 2.1 Khz ssb filter and a
400 hz cw filter.
I am planning to purchase the sub RX KRX3 and would like some filter advice
please. I am much more interested in CW.
Do I have to match up all these filters on the Sub RX for diversity? I know
the
Jim,
I use SO2V in contests with my K3, both unassisted and assisted. My hot
tip would be to familiarize yourself with the actions of the ` key and
Ctrl+Shift+Up/Down arrow keys in N1MM Logger.
My comments on using SO2V with N1MM Logger are at
Hi, Jim - I do SO2V with my K3 and subRX, with N1MM and RBN spots quite
often. My station is not competitive - single wire, KPA500. So, my
strategies are to maximize my rate and a big part of that is avoiding
calling when louder stations will likely beat me. The rates are pretty
amazing - it is
Phil,
Have you loaded the latest KPA500 firmware? If not do so. The new amp
firmware delays fault detection until the KAT500 has a chance to tune.
You will still see a soft fault condition, but that will clear as the
KAT500 tunes.
73,
Don W3FPR
On 12/17/2012 11:30 PM, Phil Hystad wrote:
Chris,
Are you certain the dial calibration is really off on only 40 meters?
The KX1 frequency is controlled by the data sent to the DDS by the firmware.
If indeed the frequency is off by 685 Hz only on 40 meters, I would
suspect the firmware.
Replacement is the only fix - but you will have to
Gordon
I faced the same decision as you just a couple of weeks ago but note I'm not
a big CW op by any means so my filter choices reflect that. In my main I
have a 6Khz for AM, 2.8, 2.1,.400. 250Hz I do Digital also all are 8 pole
filters. First be sure that you don't want any more filters in the
Fred/Mike/Gary.
Thanks for useful replies.
Other than the 2.7 Khz, the 2100 and 400 are both 8 pole filters so no
offset required, hopefully.
Thanks for the tip re inserting any further filters in main RX prior to
installing sub RX.
I was considering a filter for RTTY contesting in the main RX
I have been following this thread and decided it was time I included my
comments.
First of all, I operate only CW only QRP and never more that 5 Watts.
About a year and one half ago I built a K2 and put up a 135 foot OCF dipole
antenna.
Since then, I have worked 168 countries CW, QRP. This
Hi,
I have a recent K3 (SN 6527, FW 4.51) and I see fairly strong VFO tuning
noise on 10m.
More specifically this is centered around 28.004 MHz and spreads around
for about +- 3 kHz.
With the preamp on this can reach S3 on the meter while tuning (well
above the noise level with antenna on).
I agree with Tony. I've earned QRP DXCC, QRP WAC, all states except ID
and MT, and through patience and careful timing I've worked all the big
DXpeditions over the last couple years. My main antenna is a 44'
doublet in my attic. I generally use 3 watts. I credit Elecraft's
introduction of
Great tips, John and Rich! I've used SO2V quite a bit but can't add
anything to what you said, except:
The one thing that would make it PERFECT would be for the P3 to have a VFO
B tracking mode. Because sometimes there's life in between the spots, and
even if not it's good to know what the
I finally succumbed to temptation and ordered a KPA 500 which will arrive
tomorrow. This may be a question that can't be answered on this reflector
but I thought I would try. I have an HF 2500 Commander, the Palstar
version, which I have been using with the k3 and other radios. I am not
sure
So sorry, I forgot to delete the main body of the email in the responce. Damn!
PJH, N7PXY
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Post:
The RBN will usually crash at least once in the big contests. Either have
a
backup cluster connection ready in the Packet/Telnet window, or use
K1TTT's
WinTelnetX software to mix RBN feeds with other cluster feeds. I used to
do
that, but the RBN reliability has gone way up - I haven't felt
I agree with both Stan and Tony. Elecraft's introduction of the KX3 ahead of
the 100 watt amp introduced a lot of folks to QRP. I worked All States QRP on
the K2 and managed 45 DX entities with it. Ever since getting the KX3 in
August ( and since I had to sell 3 radios to get it), I strived
Yes, Igor - good point. You really don't need WinTelnetX anymore unless you
have other streams to consolidate.
73 John K3TN.
-Original Message-
From: Igor Sokolov ua9...@gmail.com
To: John K3TN jpescat...@aol.com; elecraft elecraft@mailman.qth.net
Sent: Tue, Dec 18, 2012 12:56 pm
Better hold off until the VFO tunning noise is fixed, or you will be quite
surprized and once you hear it you won't be able to ignore it.
Adi
M0THX
On Dec 17, 2012, at 7:47 AM, WN8HGZ wrote:
Wayne and Elecraft team . I have been holding off purchasing kx3
until most of the bugs both
bruce , I also have two amps...which I flip
between using two topten a/b switches.
works like a charm...
used to be a TT titan and a Hercules...
now an ACOM and the kpa500
easy to automate or just put a little toggle led array
see bottom center of pix
How come I don't hear this VFO tuning noise on my KX3? As far as I know, I do
not have
this problem.
phil, K7PEH
On Dec 18, 2012, at 10:12 AM, Adi Andrei e.adi.and...@gmail.com wrote:
Better hold off until the VFO tunning noise is fixed, or you will be quite
surprized and once you hear it
Probably for the same reason I don't here it. At my location the atmospheric
noise exceeds the VFO noise. When I go out to the state park near here then I
can hear it a little but with VFO NR on it doesn't bother me.My IC706MkIIG
and FT-817 don't have any tuning noise but they can't pull
OK, I probably wouldn't notice it then unless I was on 10 meters where it is
very quiet usually.
Maybe I will look for it this afternoon -- is it just white noise when you turn
the VFO ??
phil
On Dec 18, 2012, at 10:36 AM, Bob Stephens a...@bobandgloria.com wrote:
Probably for the same
I notice noise when tuning near 28.004 when on a dummy load. When on an
antenna, the background noise at S1 level masks it.
73, Red
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Help:
I use headphones on SSB most of the time through the front PHONES jack. I
have the SPKR+PH option set to 'no'. MCU 4.6 installed.
Not
always, but too often when I have been listening through the speaker and
decide to plug in the headphones I get audio in both headphones and
speaker.
If I go
This will depend on the input relay or other switching circuit used in the Commander. Some
QSK circuits use a small reed relay in the input and a vacuum relay for the output. In
that case it's possible that 500-600w from the KPA500 will be too much for it. Others use
a pair of vacuum relays,
Wow, I wonder if this only a issue with certain units. I have a KX3 and I love
it. Yes, I can hear artifacts and some other weird stuff (has a result of its
SDR design) but that has not prevented me from hearing any signal clearly and
working lots of DX even with 5 or 10 watts. I'm really glad
I am pretty sure that I would never be bothered by a noise that is easily
masked by an S1 noise level.
On Dec 18, 2012, at 10:59 AM, WO0W w...@acegroup.cc wrote:
I notice noise when tuning near 28.004 when on a dummy load. When on an
antenna, the background noise at S1 level masks it.
Phil,
Same experience as you on this side.
73,
Robert-KP4Y
Phil Hystad phys...@mac.com wrote:
How come I don't hear this VFO tuning noise on my KX3? As far as I know, I do
not have
this problem.
phil, K7PEH
On Dec 18, 2012, at 10:12 AM, Adi Andrei e.adi.and...@gmail.com wrote:
Better
Jonh,
VE7CC can consolidate as many streams as you wish. You can start several
instances of VE7CC with different filter connected to different clusters and
all the streams will be combined in the main window (and also fed to your
logging program).
IMHO VE7CC is much more versatile in many
I guess using the word Dial may be misleading. I am simply trying to say
that on 40m the frequency that is being transmitted on is 685 hz higher than
what is on the display. This is only on 40m. The other 3 bands are pretty
accurate. The BFO and DDS menu options are set to 0.
On Dec 18,
So - I got curious and tested my rig for the noise on ten meters. It
is so faint that I had to use phones to be sure it was actually there. I
agree with Phil, this will never bother me. Perhaps this varies from one
rig to another?
__
Chris,
There is one thing that might produce the condition you state, and that
is if you have 40 meters set for USB. Tap the band button and see if
there is a u in the left of the display when the 7 digit is displayed.
The KX1 firmware controls both the transmit and receive frequencies.
If you are 20db over S9 with the KPA500, you can be 25 to 27db over S9 with the
Commander in line. The path is clear...
Sent from my iPad
Chuck, KE9UW
(Jack for BMW motorcycles)
On Dec 18, 2012, at 11:45 AM, Bruce McLaughlin bmcla...@bex.net wrote:
I finally succumbed to temptation and
I agree, the path is clear -- it is obvious --- sell the Commander as 5 to 7 dB
is not worth having extra stuff around to fool with. As said by a person with
a growing interest and desire for QRP contacts.
73, phil, K7PEH
On Dec 18, 2012, at 12:28 PM, hawley, charles j jr
Sure could have used the extra 5-7 db when chasing the recent ZL9
Dxpedition on RTTY from the East Coast.
73 DE Brian/K3KO
On 12/18/2012 20:31, Phil Hystad wrote:
I agree, the path is clear -- it is obvious --- sell the Commander as 5 to 7 dB
is not worth having extra stuff around to fool
The noise sounds like scratching. As if there was something rubbing on the
VFO knob. Put the radio on a dummy load, tune to 10M, make sure menu item VFO
NR is off, and then tune the dial with the audio level up. On the couple of
bands where I have heard the noise, i.e. 10M, I turned on VFO
Is it possible to program/set up the KX3 so I can send CW while listening to
either LSB or USB? Please advise! tnxThis IS completely, simply possible,
on the KX1... -maybe simple because it's a CW-only rig?73, Steve K7E
On 12/18/2012 12:11 PM, Bill Clarke wrote:
So - I got curious and tested my rig for the noise on ten meters. It
is so faint that I had to use phones to be sure it was actually there.
I agree with Phil, this will never bother me. Perhaps this varies from
one rig to another?
On mine I can
This is high on the firmware list for the KX3.
73,
Wayne
N6KR
On Dec 18, 2012, at 12:50 PM, Steve Saslow wrote:
Is it possible to program/set up the KX3 so I can send CW while
listening to either LSB or USB? Please advise! tnxThis IS
completely, simply possible, on the KX1...
I've had the KX3 for a couple of months now and have heard the noise for the
first time just recently.
At the time I had no antenna connected to the unit whilst charging the
batteries and turned the knob and there it was. It was barely above the
noise level of the rig itself (which is awful
Steve,
Not yet.
That is coming - it is one of the things on Wayne's to-do list.
73,
Don W3FPR
On 12/18/2012 3:50 PM, Steve Saslow wrote:
Is it possible to program/set up the KX3 so I can send CW while listening to
either LSB or USB? Please advise! tnxThis IS completely, simply
Actually, if you just want to listen to SSB and send CW, there are a couple of
ways to achieve that even without Wayne's upcoming CW-in-SSB enhancement
1) set split mode on the KX3, with SSB on the RX VFO, and CW on the TX VFO
2) set the radio to CW mode, and open up the bandwidth of the PBT to
What about hearing tuning noise in the main RX when the sub-RX is
tuned? In my case it is not discrete signals, rather an increase in the
noise, and is clearly audible over band noise on 10.
73, Pete N4ZR
Check out the Reverse Beacon Network at
http://reversebeacon.net,
blog at
I disconnected my Alpha 87A when I got the KPA500. Working DX
doesn't seem any more difficult after learning to watch the pile-up
with the P3, but I don't use SSB, where one might notice a
difference.
73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member
On Tue, 18 Dec
I hate to be a contrarian, but the path is not quite so clear. That 5 to
7 dB can be the difference between making a contact or not making a
contact, especially on the low bands. We're not always talking about the
difference between S9, plus 20 or 25, but the difference between S0 or
S.5, or
I totally agree ... there is nothing clear about that path at all. 5 db
is a HUGE difference if you're anywhere near the noise level on the
other end, and it is a major difference if you're competing against
other weak stations for a contact. Under the right circumstances even 2
db can make
Hi Group,
FWIW, I have an observation about the KX3 VFO tuning noise.
I assembled my #2511 (absent any options) from the kit. Over
a month of use, I noticed the raspy VFO tuning noise only on 10m, in
quiet band conditions. I couldn't hear it anywhere else.
John,
Did you try setting RX SHFT to 8.0 on affected bands?
Wayne
N6KR
On Dec 18, 2012, at 3:05 PM, zen...@netspace.net.au wrote:
Hi Group,
FWIW, I have an observation about the KX3 VFO tuning noise.
I assembled my #2511 (absent any options) from the kit.
Try turning VFO NR to ON.
Dave K9SW
On Dec 18, 2012, at 5:05 PM, zen...@netspace.net.au wrote:
Hi Group,
FWIW, I have an observation about the KX3 VFO tuning noise.
I assembled my #2511 (absent any options) from the kit. Over
a month of use, I noticed the raspy
Ok...I was a little hasty I think. I've never been a contester and didn't
consider HAVING to make the contact in adverse conditions.
Sent from my iPad
Chuck, KE9UW
(Jack for BMW motorcycles)
On Dec 18, 2012, at 5:05 PM, David Gilbert xda...@cis-broadband.com wrote:
I totally agree ...
I think the K2 has a very nice feature that allows hooking up any number and
type of keys - paddles, straight keys, bugs - so that one can switch among
them at any time without going through any menu settings. This is made
possible by a simple circuit using just two diodes shown in the K2 Owner's
Hi all,
If you'd like to put the KX3's DVR function through its paces, please
email me directly and I'll send you the field-test firmware release
(rev 1.31).
I'll take the first 20 or so. Assuming testing by this group and our
regular field testers goes well, the new firmware will be
Gordon,
I am going to give you a slightly different answer than I have seen
posted on the reflector.
If diversity mode is your main consideration, then ideally, you need to
have matched filters
The 5 pole filters can be matched at extra cost from Elecraft, but the
9 pole Inrad filters
John,
There is not an equivalent to the K2 diode hookup in the KX3. Your
various paddles will work fine if simply wired in parallel. The problem
is the straight key and the bug.
However, there are 2 paddle inputs to the KX3 - one for the 3.5mm jack
and another for the 4 pin connector
have no identified any
other actions that precede the event but I'm certain it shouldn't be
happening.
Any others with this experience or a fix for the problem?
?
God Bless??73!
Jack - WE5ST
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database 7814 (20121218
Hi Wayne and group,
Thanks for replies and suggestions. Sorry, I forgot to mention:
the VFO NR menu item does reduce the amplitude of the artefact, but
doesn't eliminate it. The RX SHIFT to 8.0 is effective too, but with
that selected, I give up the dual rx feature.
for the problem?
?
God Bless??73!
Jack - WE5ST
__ Information from ESET Smart Security, version of virus signature
database 7814 (20121218) __
The message was checked by ESET Smart Security.
http://www.eset.com
Is the optional 5V signal on the ANT3 center pin intended to be a T/R
signal to a remote amp/preamp?
I'm just trying to learn a bit about 2m stuff. What sort of external
amps/preamps have folks found useful? Are the preamps/amps mast mounted,
combined or separate?
Thanks
jim
KX3 gurus:
Has anyone found a wall wart they like for the KX3? Like most hams, I
have a big box of wall warts, and have tried several different 12 V
adaptors with the KX3. They all worked ok for general operation, but I
noted that when I added the KXBC3 battery charger option to the KX3, I
Ed,
I for one would not trust any radio to a wall-wart power supply unless
it stated on the label that it was regulated.
In most cases, the open circuit voltage will soar, and the KX3 maximum
voltage is 15 volts. Under the supply's rated load, the voltage will
normally reduce to the
Paul:
Just updated my P3 and K3 to latest FW after both in storage after a move.
P3 MCU from 1.0 to 1.20. Have SVGA option installed, but before attaching
monitor, noted slowdown of P3 display update. I've confirmed Nate's
feedback that it drops to a crawl at about 150 ms and basically
Enercell wallwart from Radio Shack is what I use and have been happy with
it.
http://www.radioshack.com/product/index.jsp?productId=3875404numProdsPerPage=60
73,
Christian
AK4VV
On Dec 18, 2012 9:17 PM, Ed Picha n...@comcast.net wrote:
KX3 gurus:
Has anyone found a wall wart they like for
Agree. And an Astron RS-35M does the heavy lifting in my shack. But a
little wallwart can go a long ways when the Astron isn't in reach.
73,
Christian
AK4VV
On Dec 18, 2012 9:33 PM, Don Wilhelm w3...@embarqmail.com wrote:
Ed,
I for one would not trust any radio to a wall-wart power supply
Hi Don,
I am using my elmer's very expensive service monitor to watch the frequency
that the KX1 is generating. I set the VFO to a given frequency, type that
same frequency into the service monitor, then start a solid tune on the KX1.
There is a BNC cable connected between both devices.
On 12/18/2012 5:13 PM, PTA_ABD wrote:
Almost the same problem here. The difference is that toggling SPKR+PH
on and off has no effect. I'm also sure the MCU isn't the reason, as
this popped up well after changing to 4.6, but I suppose there could
be different reasons for you and I.
FWIW: K3
I have been using the Jameco's #319920, 15V regulated wall-wart
from http://www.jameco.com for my Small Wonder Labs PSK-20 as
recommended by the kit's designer. I have not noticed any noise
from the wall wart on 20 meters, the only band supported by the PSK-20.
The wall wart is rated at 18
Chris,
Let me be specific and succinct.
There are only 2 conditions that would cause that behavior.
1 - The KX1 is set to receive upper sideband on 40 meters.
2 - the firmware is sending incorrect data to the DDS.
Re-read my last email.
I do not question the accuracy of the service monitor, but
Could be used for TR signal to a mast preamp or an external amp, but most of
those I have seen need 12V by deafult. I suspect the 5V is more useful for
transverter TR switching for simplified connections (fewer wires). You
could have the transverters mounted on a tower making this method more
On 12/18/2012 06:17 PM, Ed Picha wrote:
Has anyone found a wall wart they like for the KX3? Like most hams, I
have a big box of wall warts, and have tried several different 12 V
adaptors with the KX3. They all worked ok for general operation, but I
noted that when I added the KXBC3 battery
I got a PS for a Respirator from MPJ. A 12v 4.16 amp unit.
Runs the K2. and KX3
It's quite, RF wise. Take a look at their web site and you will see 16 volt
units available.
http://www.mpja.com/Desktop-Power-Supplies/products/475/
Ciao
de w7kxb-Bill . .
Date: Tue, 18 Dec 2012 20:17:55
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