Re: [Elecraft] KX3 fuses

[Don Wilhelm]

Terry,

The KX3 has internal protection, but a fused power lead (only necessary 
in the positive lead) provides additional protection.  That is important 
IMHO when powered by an external battery - there is a lot of energy in a 
battery, and if the wire is pinched and shorts, it will spew molten metal.


Fuse close to the power source, NOT the radio end of the power cable.

73,
Don W3FPR

On 10/15/2019 12:54 PM, Terry Basom wrote:

I was looking at my power leads and realaized I had no fuses in the lines.
The factory power lead as well had no fuses. I'm about to change that with
inline fuses.

I would appreciate any comments..
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Re: [Elecraft] KX3 fuses

[Fred Jensen]

Well ... yes, best to fuse the + conductor. However, be aware that 
inline fuse holders [and their fuses] are not zero ohm superconducting 
devices.  The best ones seem to be the automotive blade-type [Rig 
Runners use them] with a wide contact surface and wiping action on 
insertion and removal. K [actually, most radios] do not like 
low supply voltages, it increases the IMD among other things.  So after 
installing the fuse, you should adjust your power supply voltage to make 
sure it's not sagging under load from the additional resistance.


In the case of a mobile installation, you should fuse BOTH conductors.  
Should the connection from the battery to vehicle frame become 
disconnected or high resistance, starting current return will be through 
your radio equipment's chassis and return conductor.  I've never heard 
of this actually happening but then there's a reason aircraft connectors 
are made so things can't be cross connected.


I witnessed a real event where cross connection happened, however with 
apologies to Pierre Fermat, the story is too long to fit in this email.


73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

On 10/15/2019 2:19 PM, Don Wilhelm wrote:

Terry,

The KX3 has internal protection, but a fused power lead (only 
necessary in the positive lead) provides additional protection. That 
is important IMHO when powered by an external battery - there is a lot 
of energy in a battery, and if the wire is pinched and shorts, it will 
spew molten metal.


Fuse close to the power source, NOT the radio end of the power cable.

73,
Don W3FPR

On 10/15/2019 12:54 PM, Terry Basom wrote:
I was looking at my power leads and realaized I had no fuses in the 
lines.
The factory power lead as well had no fuses. I'm about to change that 
with

inline fuses.

I would appreciate any comments..


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Re: [Elecraft] KX3 fuses

[Chris Parfitt]

I certainly agree with Don. As I try to keep a modular approach for my 
equipment, I use Powerpoles on everything. For portable equipment, I created 
short fused cables from ATC blade fuses (just got them from Walmart or an auto 
parts store) and some black 12-gauge wire with Powerpoles on both ends. With 
the Powerpoles, I can use on any cable close to the power source.

Hope this helps,
Chris, AC4MP


> On Oct 15, 2019, at 5:19 PM, Don Wilhelm  wrote:
> 
> Terry,
> 
> The KX3 has internal protection, but a fused power lead (only necessary in 
> the positive lead) provides additional protection.  That is important IMHO 
> when powered by an external battery - there is a lot of energy in a battery, 
> and if the wire is pinched and shorts, it will spew molten metal.
> 
> Fuse close to the power source, NOT the radio end of the power cable.
> 
> 73,
> Don W3FPR
> 
>> On 10/15/2019 12:54 PM, Terry Basom wrote:
>> I was looking at my power leads and realaized I had no fuses in the lines.
>> The factory power lead as well had no fuses. I'm about to change that with
>> inline fuses.
>> I would appreciate any comments..
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Re: [Elecraft] KX3 fuses

[Don Wilhelm]

All,

An additional point in mobile installations - do NOT connect the 
negative directly to the battery.  Follow the negative battery lead to 
the point where that lead connects to the frame.


Many modern vehicles have sensing devices in that path from the battery 
negative and the point where it connects to the frame.  Connecting 
directly to the battery bypasses those important sensors.


73,
Don W3FPR

On 10/15/2019 5:37 PM, Fred Jensen wrote:



In the case of a mobile installation, you should fuse BOTH conductors. 
Should the connection from the battery to vehicle frame become 
disconnected or high resistance, starting current return will be through 
your radio equipment's chassis and return conductor.  I've never heard 
of this actually happening but then there's a reason aircraft connectors 
are made so things can't be cross connected.



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Re: [Elecraft] KX3 fuses

[Terry Basom]

Thanks for all the comments?  Really great information. I always wondered
why Elecraft didn't include a fused power lead with their radios.. I have
the KX3... Maybe their desktop radios do come with a fused power lead...

On Tue, Oct 15, 2019 at 5:54 PM Don Wilhelm  wrote:

> All,
>
> An additional point in mobile installations - do NOT connect the
> negative directly to the battery.  Follow the negative battery lead to
> the point where that lead connects to the frame.
>
> Many modern vehicles have sensing devices in that path from the battery
> negative and the point where it connects to the frame.  Connecting
> directly to the battery bypasses those important sensors.
>
> 73,
> Don W3FPR
>
> On 10/15/2019 5:37 PM, Fred Jensen wrote:
>
> >
> > In the case of a mobile installation, you should fuse BOTH conductors.
> > Should the connection from the battery to vehicle frame become
> > disconnected or high resistance, starting current return will be through
> > your radio equipment's chassis and return conductor.  I've never heard
> > of this actually happening but then there's a reason aircraft connectors
> > are made so things can't be cross connected.
> >
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[Elecraft] KX3 For Sale

[Ken Nicely]

I am selling my KX3 transceiver.

KX3  KX3-K 160-6 M Transceiver
KXAT3  Internal automatic antenna tuner
KXBC3  Internal NiMH Charger/Clock
KXFL3   KXFL3 Dual-Passband Roofing Filter
KXPD3  KXPD3 Precision Keyer Paddle
MH3  MH3 Hand Microphone
KX3-PCKT  Cable Kit
KXUSBa USB Cable
Power Cable
Soft Case

I am the original owner.

Asking $1100.00 shipped CONUS.

https://photos.app.goo.gl/oG7jeYb3YsuKAz1EA

Please respond directly to k...@nicelyweb.com if interested.

Ken Nicely KE3C
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[Elecraft] KX3 case paint

[Scott Manthe]

I've got a KX3 in great shape except for a couple of gouges in the paint 
on the back, one on the heatsink and another on the case itself. Does 
anyone sell paint that I can use to "retexture" those areas on the case 
to better match the rest of the case. I'd prefer not to spend $100 or 
more to replace those parts.


73,

Scott N9AA

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[Elecraft] KX3 for sale

[Frank Krozel]

Not using it enough.
KX3  KX3 160-6 M Transceiver
KXAT3  Internal automatic antenna tuner  
KXBC3  Internal NiMH Charger/Clock
KXFL3   KXFL3 Dual-Passband Roofing Filter
KXPD3  KXPD3 Precision Keyer Paddle
MH3  MH3 Hand Microphone
KXUSBa USB Cable
Power Cable
Sidekick end panels
Cable to hook up to computer
Manual
Batteries HR6,1.2v/2500mAh
Never had any issues with it


$1250 USD shipped


-73- Frank KG9H




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Re: [Elecraft] [KX3] KXUSB

[Don Wilhelm]

Ingo,

The KXUSB is an FTDI USB to serial adapter with a 3.5mm plug on the 
serial end.  Yes, it will provide computer control of the KX3 through 
many software applications that support the KX3.  That adapter can also 
be used to allow KX3 Utility to load firmware and do other functions.


If you have a normal USB to serial adapter, you can easily build a short 
equivalent of the KXSER cable - there is a schematic shown in the XG3 
manual near the end.


73,
Don W3FPR

On 11/18/2019 1:57 PM, Ingo Meyer, DK3RED wrote:

Hello Elecrafters,


It is possible to control the KX3 via an USB cable named KXUSB. The 
cable I have is too long for my station, so I always have to roll it in. 
I could buy a shorter cable. But I don't know if it fits. Is the KXUSB 
the same as a normal USB TTL converter cable?

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[Elecraft] KX3 For Sale

[Terry Basom]

KX3 Serial number “10700”  (December 2018)

Factory assembled

KXAT3 internal tuner

KXBC3 Internal NIMH charger/Real time clock

KXFL3 Dual Pass-Band Roofing Filter

USB programming cable

MH3 Hand Mike

AX1 Multi band whip antenna

AXB1 Whip BiPod

Side KX plates and Plastic cover.

   Original sides in package.

Factory manual and factory packaging.

 In pristine condition! Nonsmoking shack.

Please email with any questions

$1200.00 US dollars shipped within the continental USA and Canada.
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[Elecraft] kx3 FOR SALE

[Terry Basom]

My KX3 has sold.
73's to all
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[Elecraft] KX3 temperature compensation

[Mike Harris via Elecraft]

Ref a recent post on this subject:

"That said, I did notice--as with others in previous posts to the various
Elecraft/KX3 lists--that the signal is significantly shifted on 6 meters
when performing the second reference calibration based on a HF signal 
(and vice versa). However, there doesn't seem to be much of a difference

regardless of where one calibrates on HF. For me, since I don't do much
operating on 6 meters, I kept the 10MHz based reference calibration. It
would be nice if one could set a separate reference frequency for 6m/2m 
vs. HF so that the radio can be right on frequency regardless of where 
it's being used."


From the Elecraft wed site:

The XG50 is a simple 49.380MHz signal source specifically designed for 
use with the KX3 Extended VFO Temperature Compensation Procedure.


Regards,

Mike VP8NO




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[Elecraft] KX3 for sale

[JK Hoop Hooper via Elecraft]

My little used Elecraft KX3 S/N 079XX with options & accessories listed below, 
is for sale to a good home in the US.   
$990 obo includes shipping. PayPal preferred. 

73
Hoop
K9QJS 
Good on QRZ 


Elecraft KX3-K S/N 079XX
KXUSB USB Cable
Power cable
KXAT3 Tuner 
KX3-PCKT Cables
Binding post connector
Right angle BNC connector
MH3 Hand Mic
Audio adapter cable for Mic & PTT
Strobe Stuff Think tank case
Fred Cady book

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[Elecraft] KX3 button malfunction

[Pentti A J Pajunen]

Hi'ya all! I have A minor problem with my KX3. The "rate/kHz/lock button 
is inoperative. The phenomenon came up after loading the latest 
software. Could there be A bug, or do I have  missed something. Thanks 
for any advice in forehand.


--
73 & CU Penna, OH2G, OH2CG
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[Elecraft] KX3 firmware wish

[Erlend Grimseid]

When switching to data modes, the mic btn and mic bias settings in the menu
is disabled.
I use vox in some settings and have rigged a cable with ptt for my TNC.
Also if i forget to turn of mic bias before connecting my smartphone, the
phone goes crazy and thinks I'm pushing buttons on my headset.

With the current firmware I have to go to voice mode, change settings and
then back to data A mode.


Would it be possible to enable changing mic settings in data mode?

73
De
LA4TTA
Erlend
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[Elecraft] [KX3] "GT" Command

[Joel Black]

When I had a K3, I used the GT command to set AGC off for data modes using 
GT000;

I cannot seem to get that to work with the KX3. Is it not available? My reading 
of The Programmers Reference implies it *is* available.

Thanks,
Joel - W4JBB
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[Elecraft] KX3 ACC1 Spliter

[stanley frady via Elecraft]

I want to know if the KX3, PX3, etc ACC1 can be broken out to go 2 devices such 
as a PC or Sidekar.  Appears to me to be a serial network like Icom's CV 
system.

Thanks,
Stan
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[Elecraft] KX3 accessory installation

[Dennis L. Haarsager]

I have a KX3, s/n 520, for which I purchased the KXBC3 battery
charger/clock and the KXFL3 roofing filter about four years ago.  It was a
busy period and they got set aside.  However, they just turned up in
unpacking from a recent move from Virginia to Maine.  In the intervening
few years, I've discovered that dexterity loss from arthritis is making a
number things involving small parts (or pills) more difficult for me, so
I'm thinking that to be safe I should ask someone else to take this on.

Bottom line: Is there anyone out there, especially someone with experience
in calibrating the roofing filter installation, who I could pay to do the
installation of these items?  I could send along my XG3 if that is needed.
Please reply off-list.

This KX3 has the antenna tuner installed but not the 2M option board.

Thanks and 73,
Dennis Haarsager, N7DH/1

-- 
Mail: PO Box 192, Kittery Point, ME 03905-0192
Delivery: 598 Haley Rd, Kittery Point, ME 03905-5628
+1 207-703-2472 (home) | +1 202-431-1556 (mobile) | +1 866-587-3403 (fax)
  
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Re: [Elecraft] KX3 SDR

[tomb18]

Hi It's not that simple Basically you take the I and q signals, sample them 
with the sound card, convert them to a complex number, pop them  in a fast 
Fourier transform, do a rectangular to polar conversion and then calculate the 
magnitude in dBm.  Then plot them. There's a few more nuances but that's the 
overall idea. Check out the free book on the Internet called the scientists 
guide to digital signal processing.73 Tom va2fsq.com


Sent from my Samsung Galaxy smartphone.
 Original message From: Enzo Adrian-Reyes 
 Date: 2016-07-27  7:16 PM  (GMT-05:00) To: 
Elecraft List  Subject: [Elecraft] KX3 SDR 
Hi All

Yes this topic might be a little bit more complicated than the title
suggest.

So I have the KX3 plugged into the audio input of my computer, and its
sending quadrature data (IQ) to the sound card, the sound card samples at
96Khz.

So my question is how I process this? Yes I know use a piece of software,
but I am trying to write this, I know the IQ data is coming through down
and if I use the right process on the IQ data I get base band data out. I
kind of know that however I dont understand the SDR data coming out, so for
example and I getting sample of IQ data at freq point Y, or is it  a
circular buffer arrangement.

I guess what I am saying is, is the IQ data coming from teh KX3 data from
teh Centre Freq (+/-) the bandwith scope, or just the centre freq + some
additional side bands?

How are bandwith and sampling rate related? I mean if I am sampling at at
96Khz, with a band with of 48Khz does that mean I am only getting 2 samples
per second at perticular freq??? Or am I getting the entire band of 48Khz
at 96Khz.

Regards
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Re: [Elecraft] KX3 SDR

[Enzo Adrian-Reyes]

Hi Tom

I never thought it was simple :)

I am just trying to understand what is going on, so given by what you've
said I would push the IQ data coming from the KX3 into an FFT, that FFT
would then produce the circular buffer  that would  let me analyse what
signals are in that band?

But this would be in the frequency domain then, however I am not interested
in a band plot,  I have a signal at Freq X, with the KX3 tuned at Y, (X=Y),
would I have to still pump that IQ data into the FFT to filter all the
other signals out, then inverse teh FFT to get the IQ data that I would
want?

Regards


On Thu, Jul 28, 2016 at 9:41 AM, tomb18  wrote:

> Hi It's not that simple
> Basically you take the I and q signals, sample them with the sound card,
> convert them to a complex number, pop them  in a fast Fourier transform, do
> a rectangular to polar conversion and then calculate the magnitude in dBm.
> Then plot them. There's a few more nuances but that's the overall idea.
> Check out the free book on the Internet called the scientists guide to
> digital signal processing.
> 73 Tom
> va2fsq.com
>
>
>
> Sent from my Samsung Galaxy smartphone.
>
>  Original message 
> From: Enzo Adrian-Reyes 
> Date: 2016-07-27 7:16 PM (GMT-05:00)
> To: Elecraft List 
> Subject: [Elecraft] KX3 SDR
>
> Hi All
>
> Yes this topic might be a little bit more complicated than the title
> suggest.
>
> So I have the KX3 plugged into the audio input of my computer, and its
> sending quadrature data (IQ) to the sound card, the sound card samples at
> 96Khz.
>
> So my question is how I process this? Yes I know use a piece of software,
> but I am trying to write this, I know the IQ data is coming through down
> and if I use the right process on the IQ data I get base band data out. I
> kind of know that however I dont understand the SDR data coming out, so for
> example and I getting sample of IQ data at freq point Y, or is it  a
> circular buffer arrangement.
>
> I guess what I am saying is, is the IQ data coming from teh KX3 data from
> teh Centre Freq (+/-) the bandwith scope, or just the centre freq + some
> additional side bands?
>
> How are bandwith and sampling rate related? I mean if I am sampling at at
> 96Khz, with a band with of 48Khz does that mean I am only getting 2 samples
> per second at perticular freq??? Or am I getting the entire band of 48Khz
> at 96Khz.
>
> Regards
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Re: [Elecraft] KX3 SDR

[Don Wilhelm]

If you are writing your own software, you will have to become proficient 
in Digital Signal Processing.  The I and Q signals are simply baseband 
signals that are 90 degrees out of phase - by themselves, they will do 
nothing but audio signals, but with DSP processing, they can do most 
anything that is possible in the math of digital signals - limited only 
by your processing power and skills at DSP signal processing.


Run them through FFT transforms to convert them to digital signals, and 
then do the math of your DSP algorithms to produce whatever you want - 
panadapter display, demodulation, etc.  You can add filtering and other 
things like AGC, Noise Reduction, Noise Blanking, and a whole variety of 
effects.  It is all in how you choose to implement you DSP mathematical 
functions.


Rather than write your own, there are several DSP applications available 
for free or at nominal cost - try HDSDR or NaP3 or WIN4K3 as examples.
Once you see what is happening with those applications, you may be moved 
to write your own DSP application to process the I and Q signals.


73,
Don W3FPR

On 7/27/2016 7:16 PM, Enzo Adrian-Reyes wrote:

Hi All

Yes this topic might be a little bit more complicated than the title
suggest.

So I have the KX3 plugged into the audio input of my computer, and its
sending quadrature data (IQ) to the sound card, the sound card samples at
96Khz.

So my question is how I process this? Yes I know use a piece of software,
but I am trying to write this, I know the IQ data is coming through down
and if I use the right process on the IQ data I get base band data out. I
kind of know that however I dont understand the SDR data coming out, so for
example and I getting sample of IQ data at freq point Y, or is it  a
circular buffer arrangement.

I guess what I am saying is, is the IQ data coming from teh KX3 data from
teh Centre Freq (+/-) the bandwith scope, or just the centre freq + some
additional side bands?

How are bandwith and sampling rate related? I mean if I am sampling at at
96Khz, with a band with of 48Khz does that mean I am only getting 2 samples
per second at perticular freq??? Or am I getting the entire band of 48Khz
at 96Khz.




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Re: [Elecraft] KX3 SDR

[Enzo Adrian-Reyes]

Hi

Yes, well I have used those in the past, hence my confusion, when I see
bandwith of a SDR at lets say 24Khz
and I am sampling at 48Khz. Does that mean I am sampling the whole bandwith
of 24Khz centered on freq X, or
am I a sampling some point Y at +/- from the center frequency.

I am trying to design a digital mode, and while I do understand the
concepts, could do it in GNU radio but it abstracts a lot of this away, and
I would like to do this in C/C++
So before getting there I have to know what is going on, especially what
data is coming from the device.

Thinking about it yeah it would have to be a stream of IQ signals coming
from the KX3 with a certain freq set, but I am guessing its in the time
domain. Not at the freq domain?



On Thu, Jul 28, 2016 at 10:26 AM, Don Wilhelm 
wrote:

> If you are writing your own software, you will have to become proficient
> in Digital Signal Processing.  The I and Q signals are simply baseband
> signals that are 90 degrees out of phase - by themselves, they will do
> nothing but audio signals, but with DSP processing, they can do most
> anything that is possible in the math of digital signals - limited only by
> your processing power and skills at DSP signal processing.
>
> Run them through FFT transforms to convert them to digital signals, and
> then do the math of your DSP algorithms to produce whatever you want -
> panadapter display, demodulation, etc.  You can add filtering and other
> things like AGC, Noise Reduction, Noise Blanking, and a whole variety of
> effects.  It is all in how you choose to implement you DSP mathematical
> functions.
>
> Rather than write your own, there are several DSP applications available
> for free or at nominal cost - try HDSDR or NaP3 or WIN4K3 as examples.
> Once you see what is happening with those applications, you may be moved
> to write your own DSP application to process the I and Q signals.
>
> 73,
> Don W3FPR
>
>
> On 7/27/2016 7:16 PM, Enzo Adrian-Reyes wrote:
>
>> Hi All
>>
>> Yes this topic might be a little bit more complicated than the title
>> suggest.
>>
>> So I have the KX3 plugged into the audio input of my computer, and its
>> sending quadrature data (IQ) to the sound card, the sound card samples at
>> 96Khz.
>>
>> So my question is how I process this? Yes I know use a piece of software,
>> but I am trying to write this, I know the IQ data is coming through down
>> and if I use the right process on the IQ data I get base band data out. I
>> kind of know that however I dont understand the SDR data coming out, so
>> for
>> example and I getting sample of IQ data at freq point Y, or is it  a
>> circular buffer arrangement.
>>
>> I guess what I am saying is, is the IQ data coming from teh KX3 data from
>> teh Centre Freq (+/-) the bandwith scope, or just the centre freq + some
>> additional side bands?
>>
>> How are bandwith and sampling rate related? I mean if I am sampling at at
>> 96Khz, with a band with of 48Khz does that mean I am only getting 2
>> samples
>> per second at perticular freq??? Or am I getting the entire band of 48Khz
>> at 96Khz.
>>
>>
>>
>
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Re: [Elecraft] KX3 SDR

[Lyle Johnson]

The signals at the IQ jack on the KX3 are analog, not digital. They are 
centered approximately 8 kHz away from the dial frequency as the KX3 
uses an internal offset of 8 kHz.  Depending on the firmware release and 
user settable options, that offset may be on either side of the center 
of the IQ audio.


The rate at which you sample it in general will determine, and in any 
case will certainly limit, the maximum bandwidth you can digitize for 
further processing.


Internally, the KX3 samples the analog IQ signals at 48 kHz.

Externally you can sample at any rate you desire that your A/D 
(soundcard) will support, as long as you take into account anti-aliasing 
filtering and the bandwidth/response of the analog circuitry in the KX3 
itself, and any similar limitations of the soundcard including its 
analog circuitry and the characteristics of its ADC.  For example,many 
ADCs do noise shaping of their sampling systems to prefer 0 to 20 kHz at 
the expense of internal noise humps above 20 kHz.


General information about the frequency rolloff of the KX3 analog IQ 
signals have been discussed here in the past, and I think (but have not 
checked) that they are in the Owner's Manual.  You can also observe 
them, perhaps using your proposed soundcard and the tools that gnu radio 
provides for you to explore these topics.


73,

Lyle KK7P



On 7/27/16 5:43 PM, Enzo Adrian-Reyes wrote:

Hi

Yes, well I have used those in the past, hence my confusion, when I see
bandwith of a SDR at lets say 24Khz
and I am sampling at 48Khz. Does that mean I am sampling the whole bandwith
of 24Khz centered on freq X, or
am I a sampling some point Y at +/- from the center frequency...


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Re: [Elecraft] KX3 SDR

[tomb18]

HiI have little experience in demodulation of the signals but I did do SSB and 
AM at one time. Basically once you have the samples in the fre1uency domain you 
will want to apply a bandpass filters and shift it down to baseband,  do an 
inverse fft and then a Hilbert transform to demodulate the SSB signal.Again you 
best bet is the free online book I mention.73 Tom 


Sent from my Samsung Galaxy smartphone.
 Original message From: Enzo Adrian-Reyes 
 Date: 2016-07-27  8:04 PM  (GMT-05:00) To: tomb18 
 Cc: Elecraft List  Subject: Re: 
[Elecraft] KX3 SDR 
Hi Tom
I never thought it was simple :)
I am just trying to understand what is going on, so given by what you've said I 
would push the IQ data coming from the KX3 into an FFT, that FFT would then 
produce the circular buffer  that would  let me analyse what signals are in 
that band?
But this would be in the frequency domain then, however I am not interested in 
a band plot,  I have a signal at Freq X, with the KX3 tuned at Y, (X=Y), would 
I have to still pump that IQ data into the FFT to filter all the other signals 
out, then inverse teh FFT to get the IQ data that I would want?
Regards

On Thu, Jul 28, 2016 at 9:41 AM, tomb18  wrote:
Hi It's not that simple Basically you take the I and q signals, sample them 
with the sound card, convert them to a complex number, pop them  in a fast 
Fourier transform, do a rectangular to polar conversion and then calculate the 
magnitude in dBm.  Then plot them. There's a few more nuances but that's the 
overall idea. Check out the free book on the Internet called the scientists 
guide to digital signal processing.73 Tom va2fsq.com


Sent from my Samsung Galaxy smartphone.
 Original message From: Enzo Adrian-Reyes 
 Date: 2016-07-27  7:16 PM  (GMT-05:00) To: 
Elecraft List  Subject: [Elecraft] KX3 SDR 
Hi All

Yes this topic might be a little bit more complicated than the title
suggest.

So I have the KX3 plugged into the audio input of my computer, and its
sending quadrature data (IQ) to the sound card, the sound card samples at
96Khz.

So my question is how I process this? Yes I know use a piece of software,
but I am trying to write this, I know the IQ data is coming through down
and if I use the right process on the IQ data I get base band data out. I
kind of know that however I dont understand the SDR data coming out, so for
example and I getting sample of IQ data at freq point Y, or is it  a
circular buffer arrangement.

I guess what I am saying is, is the IQ data coming from teh KX3 data from
teh Centre Freq (+/-) the bandwith scope, or just the centre freq + some
additional side bands?

How are bandwith and sampling rate related? I mean if I am sampling at at
96Khz, with a band with of 48Khz does that mean I am only getting 2 samples
per second at perticular freq??? Or am I getting the entire band of 48Khz
at 96Khz.

Regards
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Re: [Elecraft] KX3 SDR

[Joe Stone (KF5WBO)]

Hi Enzo,

I'd recommend that you look at some of the Raspberry Pi / Elecraft KX3
panadapters,

http://twitter.com/giorgiofox/status/694969541521207296

https://github.com/Giorgiofox/panadapter

73's

Joe Stone
KF5WBO



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Re: [Elecraft] KX3 SDR

[James Austin]

Another free online DSP book, that I stumbled upon this evening is Signal
Processing for Communications. I have not gone much past the table of
contents, but it looks interesting.

http://www.signalprocessingforcommunications.org/
<http://www.signalprocessingforcommunications.org/index.html>

<http://www.signalprocessingforcommunications.org/index.html>Jim KA2RVO


On Wednesday, July 27, 2016, tomb18  wrote:

> Hi It's not that simple Basically you take the I and q signals, sample
> them with the sound card, convert them to a complex number, pop them  in a
> fast Fourier transform, do a rectangular to polar conversion and then
> calculate the magnitude in dBm.  Then plot them. There's a few more nuances
> but that's the overall idea. Check out the free book on the Internet called
> the scientists guide to digital signal processing.73 Tom va2fsq.com
>
>
> Sent from my Samsung Galaxy smartphone.
>  Original message From: Enzo Adrian-Reyes <
> enzo.adrianre...@gmail.com > Date: 2016-07-27  7:16 PM
> (GMT-05:00) To: Elecraft List >
> Subject: [Elecraft] KX3 SDR
> Hi All
>
> Yes this topic might be a little bit more complicated than the title
> suggest.
>
> So I have the KX3 plugged into the audio input of my computer, and its
> sending quadrature data (IQ) to the sound card, the sound card samples at
> 96Khz.
>
> So my question is how I process this? Yes I know use a piece of software,
> but I am trying to write this, I know the IQ data is coming through down
> and if I use the right process on the IQ data I get base band data out. I
> kind of know that however I dont understand the SDR data coming out, so for
> example and I getting sample of IQ data at freq point Y, or is it  a
> circular buffer arrangement.
>
> I guess what I am saying is, is the IQ data coming from teh KX3 data from
> teh Centre Freq (+/-) the bandwith scope, or just the centre freq + some
> additional side bands?
>
> How are bandwith and sampling rate related? I mean if I am sampling at at
> 96Khz, with a band with of 48Khz does that mean I am only getting 2 samples
> per second at perticular freq??? Or am I getting the entire band of 48Khz
> at 96Khz.
>
> Regards
> __
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Re: [Elecraft] KX3 SDR

[Bob N3MNT]

Also be aware that many PC's ( especially laptops) do not have stereo line
-in jacks.  There is an excellent program written for the BeagleBone Black
that does a Panadapter for the KX3.  You can find it here.
http://www.arrl.org/files/file/QST/This%20Month%20in%20QST/April%202014/Ewing.pdf



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Re: [Elecraft] KX3 SDR

[Lyle Johnson]

Sorry, I was thinking of the KX2 which always has the IF shift enabled.

In a KX3, the center of the IQ stream is approximately the dial setting. 
I say approximately because some modes (AM, FM) or submodes (narrow SSB 
using Weaver demodulation) there may be some offset regardless of the 
setting of IF shift.


Thank you for your careful reading, Greg!

73,

Lyle KK7P


The signals at the IQ jack on the KX3 are analog, not digital. They
are centered approximately 8 kHz away from the dial frequency as the
KX3 uses an internal offset of 8 kHz.  Depending on the firmware
release and user settable options, that offset may be on either side
of the center of the IQ audio.

Do you mean always 8 kHz off, or is this only if the IF shift is
enabled?  I would expect a 0 offset without that.



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Re: [Elecraft] KX3 SDR

[Phil Wheeler]

I built that one using a Raspberry Pi a couple of 
years ago, pre-PX3. Worked fine for what it is, 
but ergonomics are not even close to that of a PX3.


73, Phil W7OX

On 7/28/16 4:58 AM, Bob N3MNT wrote:

Also be aware that many PC's ( especially laptops) do not have stereo line
-in jacks.  There is an excellent program written for the BeagleBone Black
that does a Panadapter for the KX3.  You can find it here.
http://www.arrl.org/files/file/QST/This%20Month%20in%20QST/April%202014/Ewing.pdf





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Re: [Elecraft] KX3 SDR

[Bob N3MNT]

Did not mean to imply that the Raspbery Pi or BBB panadpater was anywhere
close to the PX3, but that looking at the code could help with OP's original
question.  Built mine while waiting for PX3 and yes they are day and night
re functionality and ease of use.  I love my PX3



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[Elecraft] KX3 / FLDIGI Problem

[James Bennett]

I have a KX3 and am running FLDIGI 3.22.01 on my Raspberry Pi 3. Everything 
works… except for one annoying thing and I’m trying to find out if this is an 
FLDIGI issue or something I need to tweak on the KX3.

When I fire off a macro such as a CQ message, the rig goes into transmit as it 
should, sends the text in the macro as it should, but never returns to receive: 
the red TX light on the KX3 stays on, although the RF output ceases. I have to 
manually “tickle” the KX3 XMIT button to get the radio into receive mode. Here 
is a sample macro text I’ve been using to get this resolved:

Testing testing de w6jhb w6jhb k

Seems pretty darn basic, but in my case, basic isn’t getting the job done. 
Anyone else with a KX3 and FLDIGI know what I need to do to get this working 
w/o having to reach up there and press that XMIT button to get back to receive 
mode?

Thanks, Jim / W6JHB

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[Elecraft] [KX3] assembly issue

[Jim Spears]

I am assembling KX3 s/n 9112 and have run into an interesting snag.  On page
30 where I mount the shield onto the RF board, when I removed the protective
back from the shield, all of the stickum came with it.  Now there is not
enough stickum to hold the shield onto the RF board.

 

I need a safe work around.  Elmer's glue?

 

Please reply directly as I get the digest and might not see the next digest
until late today or tomorrow depending on message traffic load.

 

Jim/N1NK

n...@cox.net

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[Elecraft] KX3 Software Request

[Larry D. Warner]

Not sure if anyone else wants this but I will ask.  There are many settings
in the KX3 and sometimes I get one wrong then can't figure out what it
should be or maybe even can't figure out what I set improperly.  It would be
really great if I could save every setting in the KX3 as a setup file in the
KX3.  It would be even nicer if I could save multiple setups.  I could have
one for my favorite PSK31 setup and another for SSB operation.  Each setup
would store all the settings in the KX3 so when I recall it I don't need to
set anything else.  As a new HAM I already have a lot to remember and this
would help me with my memory overload.

 

Regards,

 

Larry

KG7ZSB

 

You cannot live a perfect day without doing something for someone who will
never be able to repay you.

-- John Wooden

 

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[Elecraft] KX3 QSK working.??

[w4sc]

FW 2.38

KX3 QSK not working.  Yes it took a while for me to discover this, but now am 
retired and have mucho time to play radio.  

There was an “experimental” QSK released a few f/w revs back for the KX3.  But 
appears there is NO QSK for f/w 2.38 (delay == 0).  Anyone comment on this.

Haven’t used QSK much, as I never could adjust to the RX “noise” between 
characters!!  Then I bought KX2, and the QSK is smooth as silk!!!  The bar is 
set high for KX3 on this point.

Ben W4SC

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[Elecraft] KX3 Vehicle mount

[Wayne Michael]

I have a 2012 Kia Sedona minivan.
I currently have a FTM-400 mounted using a seat mount. 
Any ideas what mounts might be available to put a KX3 in the van along with the 
FTM-400? 
Anyone have experience with the KX3 mobile in a car?  Worth the effort?
Thanks,
Wayne AC9HP   
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[Elecraft] KX3 vehicle mount

[Gmail]

Newer cars that have the auto stop feature ( engine turns off at stop lights) 
have a sensor between battery negative and car frame.  In these cars the radio 
has to be connected to frame ground not the battery negative post or the sensor 
will not work right correctly.

Ray
W8LYJ

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[Elecraft] KX3 SDR MAC

[Fred Moore]

I am looking for recommendations on a good SDR application that will run
under Mac OSX.   I also have parallels installed with a windows VM, but
don't want anything that runs under windows.. 

What are you Mac users using?..   Fred


-- 
Fred Moore
WD8KNI 
email: f...@fmeco.com
  
phone:  321-217-8699

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[Elecraft] KX3 For Sale

[Buck via Elecraft]

KX3 with roofing filter, key, clock/charger, tuner, microphone and cable 
set. Very mild use and in perfect condition. Also includes 8 eneloop 
Ni-Mh batteries, Power Pole cable, and padded carry case. Photos 
available. New price over $1,600 plus shipping. Yours for only $1,275 
plus $23 shipping to ConUS. PayPal OK.


Wonderful radio.  I got it thinking I would be doing some SOTA and 
outdoor activity.  That hasn't happened and I hate to have it sitting 
around unused.


Please reply directly to k four ia at AOL

--

K4ia
Buck
Honor Roll 335
8BDXCC

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[Elecraft] KX3/KXPA100 issue

[David F. Reed]

I am running a KX3 into a KXPA100.

It all plays very nicely except for one issue; on a seemingly random 
basis, it seems to lose communications between them in a big way. The 
KX3 has (without my doing anything) reset the PA Mode to Off, and the 
PWR to 5.0.  When this happens, let's say I have power set to 30 watts; 
the KXPA100 shuts down and to get it back up, I have to go to the KX3, 
re-enable PA MODE from Off to On, and and reset the PWR level from 5.0 
watts to 30 watts.


My questions are:

1. Is anyone else experiencing this?
2. What is going on?
3. How do I fix it

Any help appreciated.

Thanks & 73 de W5SV, Dave
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[Elecraft] KX3 for sale

[Matt Murphy]

I'm considering switching to a KX2, if anyone is interested in my KX3
please make an offer.

- Mint condition 700 range serial number.
- Contains the crystal filter and ATU
- Includes the matching "Pro Audio Engineering" power supply.
- Includes a new matching pelican case.
- Includes the Elecraft matching paddle.

Not in a hurry to sell and very happy with the setup, but my last trip made
me think that I might prefer the slightly smaller size transceiver so I can
pack more clothing in the same backpack.

73,
Matt NQ6N
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[Elecraft] KX3 Unwanted Scanning

[David Inger]

I decided to get my new (to me) KX3 going on psk31.  I ordered the proper
cables from Elecraft. Plugged the cables into the KX3 ("red" cable go to the
Phones jack; "green" cable goes to the Mic jack).  Put the radio in data
mode  ("PSK D" selected).  The radio begins to scan, and will not stop until
I unplug the green cable going to the Mic jack).  I tried this set up with
two different external soundcards and well as the one internal to the Sony
laptop; no joy.  I also tried different digital software programs to see if
that was the problem; still no joy.
 
I checked the archives and did find a mention to this problem in 2015 but no
definitive answer.  I am sure I am overlooking the obviously.  I will be
happy to put on my dunce cap, once someone can point me in the right
direction.
 
73 de K6SBA
David in Santa Barbara
K2, K3, KX3, K-this, K-that and K-the other
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[Elecraft] KX3 Macros commands

[Gerard Elijzen]

Hi all,

Just been playing with commands for the KX3 and found that when using the KX3 
Utility on my MacBook Pro, that some commands don’t get a return.
For example: PO; always returns P despite that the power has been set at 
10W.
There are others as well which do not return anything after issuing a command 
to the KX3.

I am only just starting to look into the possibilities with Macros and I hope 
to make a Macro which will do (roughly) the following:

1. CW mode
2. set Power 100mW
3. sent message 1
4. Pause 10 seconds
5. set Power 1W
6. sent message 2
7. Pause 10 seconds
8. set Power 5W
9. sent message 3
10. go back to 2 or exit

Not sure if “a Pause can be done”.

Newbie here and just starting, testing and reading up with the KX3 commands.

Cheers
Gerard VK2JNG
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[Elecraft] KX3 tuner loss?

[Barry N1EU]

I'd appreciate knowledgeable estimates of the loss in dB through the KX3
ATU when working into a 44ft (NorCal) doublet fed with twinlead, with or
without a BL2 balun inline, on 20/17/15M.

Thanks & 73,
Barry N1EU
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[Elecraft] KX3 Rechargable Batteries

[Doug Millar via Elecraft]

Taking the batteries in and out  of the radio between portable operations is a 
pain. Can I take out just one in the string? That would eliminate any current 
drain. Are there other considerations?  Doug K6JEY
 

 
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[Elecraft] KX3 and FLDIGI

[Kevin - K4VD]

When using the KX3 with fldigi can I use the RX I/Q output from the radio
to the computer? I can't find any reference to i/q in the fldigi docs so
I'm assuming the answer is no but thought I'd ask before giving up.

Kev K4VD
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[Elecraft] KX3 CW Decode

[Aaron K5ATG]

I am in the process of learning CW and I am having a little bit of issue
with my KX3 on decoding CW. I am wanting it to be able to decode CW on TX
only so I can work on sending. By pressing the DATA button I selected TX
ONLY and I have the power setting at 0.0 watts into a dummy load. I am
using the plug in paddles for the KX3. However it will not decode anything.
I tuned to a strong signal and tried the different RX Thresholds and it
would not decode anything there either. I am not sure if I have it set up
right or I am missing a setting or something. Can anyone please help?

Thank you
Aaron Scott K5ATG
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[Elecraft] KX3 power limit?

[Phil Hystad]

I am confused.  Is the new 15 watt limit on output power a feature of new KX3 
only or is it a software upgrade so that all KX3 rigs can be updated to 15 
watts?
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[Elecraft] KX3 PTT Question

[James Bennett]

I have a minor issue with my KX3 that has me scratching my head. Because of 
occasional background noise (XYL and two young boys) I seldom use VOX when on 
those rare occasions I venture to the SSB part of the bands. I’m using an 
inexpensive headset with a boom mic and there is no PTT switch on this unit. 
With VOX turned off, I know I can push the XMIT button on the KX3 to put the 
radio into transmit mode, and that works fine. But, I’d like to be able to lean 
back in my desk chair and carry on a conversation w/o having to lean forward to 
push that XMIT button every time I want to talk.  I thought there was a way to 
do this via a home brew PTT switch, connected across the tip and sleeve of the 
ACC2 plug. In fact, I thought that at one time long ago I WAS able to do this. 
But no longer.

So, I tried another way - I connected the Elecraft-supplied RCA-RCA cable to 
the female RCA jack on the KX3-KXPA100 Adapter Cable and connected the shield 
and center conductor. Doesn’t seem to put the rig into “full” transmit mode. 
What happens is that the received signals on that frequency drop quite a bit in 
amplitude, almost to inaudible, but the red TX light on the KX3 does not light 
up.

I’m guessing that I’ve accidentally changed something in the config settings, 
but I sure can’t determine what I did.

Any ideas here?

Jim Bennett
Folsom, CA


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[Elecraft] KX3 power socket

[Mark Hogan]

I have SN 31, I recently finished our house and setup the shack.  Radios
been boxed about a year since we moved.  It was a desk rig at the last
house with a occasional trip to the back yard.
When I plug it in to 12v I get nothing.  I unplugged and plugged it in
several times and got voltage to charge the batts.  Looking in the hole it
appears the sockets got one leg loose on the board. Was that a issue or am
I one of the special kids? :)

Mark Hogan N5OBC
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Re: [Elecraft] KX3 Problem

[Bob N3MNT]

Turn it off and back on.




--
View this message in context: 
http://elecraft.365791.n2.nabble.com/KX3-Problem-tp7625305p7625311.html
Sent from the Elecraft mailing list archive at Nabble.com.
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[Elecraft] KX3 for sale

[Joe W2KJ]

Howdy Gang:

The KX3 I offered for sale yesterday has been sold.

73, Joe W2KJ
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[Elecraft] KX3 Switch Tones

[Thorpe, Jeffrey]

I've noticed that with switch tones set on (SW TONE) that the KX3 will transmit 
the tone out the speaker port when in data mode. Shouldn't this be disabled in 
data mode? It does it whether transmitting or receiving, and messes things up.

Jeff - kg7hdz
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[Elecraft] KX3 For Sale

[Bill Wetherill]

I have two of these.  Only need one.

For Sale:  KX3  SN 1559 excellent condition.
Antenna Tuner
Roofing Filter
KX3 Desk Stand
KX3 End Panels
KX3 Cover
Construction and Operation Manuals
Power Cord
Shipped to CONUS  $1,100.00

Pics on request.
PayPal Preferred

Thanks, Bill - N2WG
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[Elecraft] KX3 Headphone Clicks

[Jim Bennett]

Hi All - just this past weekend completed building KX3 # 5539. Seems to work 
fine except for one thing. When I've got headphones plugged in and running full 
break-in I'm hearing a fairly strong clicking noise. I set the rig into 
semi-QSK with a 1-second DLY and see that the click is happening when the radio 
goes back into receive, NOT when I key it and send RF out into the ozone. Any 
idea what's happening here? I've tried it with three different sets of 'phones: 
A Sony MDR-V6, a Bose Triport, and an el-cheapo pair of 'round-the-ear phones 
that I use with my iPhone at the gym. I hear the same click on all three. I 
then unplugged the 'phones and listened to the built-in speaker with DLY at 
zero. The clicks are there, too. Very annoying. Any hints??

Jim / W6JHB

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Re: [Elecraft] KX3 Amp

[KF5TEU]

Just FYI, I got the Elecraft 100W amp in two or three weeks ago. At over $
1100 it better beat these other amps. It has a tuner but I also have the ATU
in the KX3 and two more discrete ATU's for higher power, balanced (PAL) ,
etc.

Have you tried the Elecraft amp yet ?

 

Bill Haden

KF5TEU

 

From: Igor Sokolov-2 [via Elecraft]
[mailto:ml-node+s365791n7576093...@n2.nabble.com] 
Sent: Monday, July 01, 2013 11:56 AM
To: KF5TEU
Subject: Re: KX3 Amp

 

Another correction. HLA 300 (and probably 150) have RF sensing PTT and 
automatic band switching. They also have decent IMD is not driven to full 
output power. HLA 300 is about 25-30 db IMD when driven to 150-200 watts 
(5-7watt input) and cost under 500 USD. No antenna tuner though. 

73, Igor UA9CDC 
- Original Message - 
From: "John Marvin" <[hidden email]> 
To: <[hidden email]> 
Sent: Monday, July 01, 2013 11:54 AM 
Subject: Re: [Elecraft] KX3 Amp 


> One correction. The HF Packer is not a 50w amp. It's about 45w at 160m, 
> and then steadily less as you go up in frequency (40w for 80m, 35w for 
> 40-20m, 30w for 17/15m, 25w for 12m and about 20w for 10m). It doesn't 
> support 6m. These numbers come directly from a graph in the HF Packer 
> manual. 
> 
> John 
> AC0ZG 
> 
> On 6/30/2013 10:18 PM, Ariel Jacala wrote: 
>> Hands down the KXPA100.  It isn't out yet - shipping in August but offers

>> the greatest flexibility with a tuner and portability.  The Hardrock is 
>> ~$260.  It is only available to members of the Yahoo group right now.  It

>> is 160-6m and generates a solid 50w from 160-10, less on 6m.  I own a 
>> Hardrock and it was a difficult build but Jim Veatch helped me out a 
>> lot - WA2EUJ.  No tuner though so you will have to invest in a ZL100 or 
>> equivalent.  The Elecraft tuner is  faster and tunes a wider range.  Size

>> wise is only slightly smaller than the Elecraft 4 1/8 wide and tall by 7 
>> deep.  The TenTec is a larger amp - $800 plus a 100w tuner.   The THP 
>> HL45B is a solid performer at about $450 from HRO.  Again you need an 
>> outboard tuner.  You have to manually switch bands.  If you don't it will

>> go on standby - a self protective feature.  I played with a THP for a 
>> while and it works well.  You can get one used - not easy - for about 
>> $250-$300.  There are the RM Italy variants - beware do 
> no 
>>   t overdrive - IMD artifacts - HL300B is the model - only drive to 
>> 100W - I have no experience with this amp. These are not certified by the

>> FCC.   Some people have had great luck with the Juma 100w amp and some on

>> the reflector may have owned one or built one.  The Jumas can be 
>> programmed to band switch with the rig.  Again - it needs an external 
>> 100w tuner. 
>> 
>> So here are your choices: 
>> 
>> Juma 100w - no tuner - band switches with rig automatic - FCC certified 
>> Hardrock 50w - no tuner - manual switching - not FCC certified 
>> TenTec - 100w - no tuner - band switching with rig automatic 
>> HFPacker - 50w - manual swiching 
>> KXPA100 - 100w - tuner - automatic band switching - FCC certified 
>> THP HL45B - 45w - no tuner - manual switching (except for FT817) - FCC 
>> certified 
>> THP HL100B - 10w - no tuner - manual switching - not FCC certified 
>> RM Italy HL150 - 150w - no tuner - manual switching? not FCC certified 
>> RM Italy HL300B = 300w - no tuner - manual switching? not FCC cerified 
>> 
>> Antennas 
>> Too many to list 
>> Personal favorites - G0GSF- multiband dipole - 4 bands are OK w/o a 
>> tuner, EFHW - cut to 45 ft with EARCI matchbox KX3 tuner will match 
>> 80-10m 
>>   Ariel NY4G 
>> Sent from my iPad 
>> 
>> On Jun 30, 2013, at 11:39 PM, "KF5TEU" <[hidden email]> wrote: 
>> 
>>> While all these posts have good advice for a bc trip , I really just 
>>> want the KX3 amplifier. I have the other items already ( Delorme GPS 
>>> plus SPOT with rescue insurance paid up, sat. phone rented , several 2M 
>>> HT's ( APRS godd idea , I'll add that ) and the usual flares , panels , 
>>> noisemakers and things that go bang ) . 
>>> 
>>> 
>>> But...I need an amplifier and the right antennas to add to this. 
>>> We will be doing the check in via SPOT , sat. AND am. band. 
>>> SPOT loses lock in jungle and mountain ,vso do sat. phones and GPS. 
>>> Certain unfriendlies like to jam their freq's as well. 
>>> In addition to that any or all that gear can be broken , lost or 
>>> confiscated by certain sticky fingered locals ( it.s happened ). 
>>> Hard to jam 

Re: [Elecraft] KX3 Amp

[Fred Smith]

I don't have the amp but would very much enjoy hearing comments from all
those that do have them. I might add I do have other amps and a KPA500 as
well but using it with an Icom radio for mostly 6m.


73,
Fred/N0AZZ
K3 Ser # 6730--KX3 # 5210--K2/100 # 6470-KAT100
P3/SVGA--KAT500--W2
Amps Elecraft KPA500 HF/6m--Alpha's 9500 HF--87A HF--Mirage B-5030-G
300+w--(2) B-5016-G's 165w 2m




-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of KF5TEU
Sent: Monday, December 30, 2013 10:25 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] KX3 Amp

Just FYI, I got the Elecraft 100W amp in two or three weeks ago. At over $
1100 it better beat these other amps. It has a tuner but I also have the ATU
in the KX3 and two more discrete ATU's for higher power, balanced (PAL) ,
etc.

Have you tried the Elecraft amp yet ?

 

Bill Haden

KF5TEU

 

From: Igor Sokolov-2 [via Elecraft]
[mailto:ml-node+s365791n7576093...@n2.nabble.com]
Sent: Monday, July 01, 2013 11:56 AM
To: KF5TEU
Subject: Re: KX3 Amp

 

Another correction. HLA 300 (and probably 150) have RF sensing PTT and
automatic band switching. They also have decent IMD is not driven to full
output power. HLA 300 is about 25-30 db IMD when driven to 150-200 watts
(5-7watt input) and cost under 500 USD. No antenna tuner though. 

73, Igor UA9CDC
- Original Message -
From: "John Marvin" <[hidden email]>
To: <[hidden email]>
Sent: Monday, July 01, 2013 11:54 AM
Subject: Re: [Elecraft] KX3 Amp 


> One correction. The HF Packer is not a 50w amp. It's about 45w at 
> 160m, and then steadily less as you go up in frequency (40w for 80m, 
> 35w for 40-20m, 30w for 17/15m, 25w for 12m and about 20w for 10m). It 
> doesn't support 6m. These numbers come directly from a graph in the HF 
> Packer manual.
> 
> John
> AC0ZG
> 
> On 6/30/2013 10:18 PM, Ariel Jacala wrote: 
>> Hands down the KXPA100.  It isn't out yet - shipping in August but 
>> offers

>> the greatest flexibility with a tuner and portability.  The Hardrock 
>> is ~$260.  It is only available to members of the Yahoo group right 
>> now.  It

>> is 160-6m and generates a solid 50w from 160-10, less on 6m.  I own a 
>> Hardrock and it was a difficult build but Jim Veatch helped me out a 
>> lot - WA2EUJ.  No tuner though so you will have to invest in a ZL100 
>> or equivalent.  The Elecraft tuner is  faster and tunes a wider 
>> range.  Size

>> wise is only slightly smaller than the Elecraft 4 1/8 wide and tall by 7 
>> deep.  The TenTec is a larger amp - $800 plus a 100w tuner.   The THP 
>> HL45B is a solid performer at about $450 from HRO.  Again you need an 
>> outboard tuner.  You have to manually switch bands.  If you don't it 
>> will

>> go on standby - a self protective feature.  I played with a THP for a 
>> while and it works well.  You can get one used - not easy - for about 
>> $250-$300.  There are the RM Italy variants - beware do
> no
>>   t overdrive - IMD artifacts - HL300B is the model - only drive to 
>> 100W - I have no experience with this amp. These are not certified by 
>> the

>> FCC.   Some people have had great luck with the Juma 100w amp and some on

>> the reflector may have owned one or built one.  The Jumas can be 
>> programmed to band switch with the rig.  Again - it needs an external 
>> 100w tuner.
>> 
>> So here are your choices: 
>> 
>> Juma 100w - no tuner - band switches with rig automatic - FCC 
>> certified Hardrock 50w - no tuner - manual switching - not FCC 
>> certified TenTec - 100w - no tuner - band switching with rig 
>> automatic HFPacker - 50w - manual swiching
>> KXPA100 - 100w - tuner - automatic band switching - FCC certified THP 
>> HL45B - 45w - no tuner - manual switching (except for FT817) - FCC 
>> certified THP HL100B - 10w - no tuner - manual switching - not FCC 
>> certified RM Italy HL150 - 150w - no tuner - manual switching? not 
>> FCC certified RM Italy HL300B = 300w - no tuner - manual switching? 
>> not FCC cerified
>> 
>> Antennas
>> Too many to list
>> Personal favorites - G0GSF- multiband dipole - 4 bands are OK w/o a 
>> tuner, EFHW - cut to 45 ft with EARCI matchbox KX3 tuner will match 
>> 80-10m
>>   Ariel NY4G
>> Sent from my iPad
>> 
>> On Jun 30, 2013, at 11:39 PM, "KF5TEU" <[hidden email]> wrote: 
>> 
>>> While all these posts have good advice for a bc trip , I really just 
>>> want the KX3 amplifier. I have the other items already ( Delorme GPS 
>>> plus SPOT with rescue insurance paid up, sat. phone rented , several 
>>> 2M HT

[Elecraft] KX3 "Full" SDR

[Craig Schroeder]

Happy New Year,

I want to move into the hobby aspects of SDR and have narrowed my list to the 
KX3 with 100 watt Amp or a Flex 3000.  I have been told that though the KX3 
will connect to a PC it is not a "full" SDR radio (my understanding of "full" 
is in regard to signal processing but there may be other factors implied that I 
am not aware of being new to the SDR world).  

If this perspective is on target, what are the important SDR limitations with 
the KX3 that I should consider?  If there are no important limitations, I do 
like the form factor and knobs on the KX3 over the Flex software-only interface.

Thank you,

Craig Schroeder
KD0TXL
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[Elecraft] KX3 FW 1.84

[Johnny Siu]

Hello Wayne,

I am very pleased with the new FW for MW broadcast RX.  It now makes the KX3 
really useful in receiving MW broadcast.  Previously, I felt the sensitivity of 
KX3 below 1300KHz was worse than K3.

I like this improvement and thanks for the hard work.

73

Johnny VR2XMC
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[Elecraft] KX3- WTB PIGLET

[Bill Conkling]

I am looking for a Pignology PIGLET.  They seem to be out of stock
currently.  If you have one avail email me 'off list' to n...@arrl.net or
n...@widomaker.com

Also looking for tips or assistance in setting this up with Samsung TAB2 and
KX3.  Have HAMLOG already.

Thanks for your consideration.

nr4c  bill

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[Elecraft] KX3 error message

[Gerry leary]

Today I noticed that when I turn on my KX3 the beginning banner does not 
display on the FOB. It says error message too am. If I Any key that goes away 
and allows me to change the frequency with VF OA I am sorry that I am using 
Siri. Siri does not always get my voice very well. If you have trouble 
understanding this message please write back and ask me when I get this error 
message most of the knobs on the KX3 do nothing until I tap One of the 
pushbuttons Sent from my iPhone this time 
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[Elecraft] KX3 & BOSE speakers...

[bill conkling]

What's the opinion on BOSE COMPANION 2 SERIES III MULTIMEDIA Speakers for use 
with K3 or KX3?

Just ordered from Amazon...

...bill nr4c

Sent from my Verizon Wireless 4G LTE DROID
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[Elecraft] KX3 transverter offset

[Jim Klitzing]

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[Elecraft] KX3 transverter offset

[Jim Klitzing]

Let's try this post again, looks like the text was truncated...
Can't seem to get the XVn OFS function to work...anyone else out there 
have it working, or is this an unimplemented feature?


Thanks, Jim
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Re: [Elecraft] KX3 Macros

[Lyle Johnson]

Still two, but since at power up the first item if you hold the MENU 
button is the backlight, I'd consider re-assigning PF2 to the new 
function you want.


73,

Lyle KK7P


After recently reading (and re-reading, several times!) Fred Cady's excellent 
book on the KX3, I was thinking about some of the functions I'd like to have in 
macro form...


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Re: [Elecraft] KX3 Macros

[Jim Bennett]

Hi Emory -

Yep, I'd like a couple more programmable buttons, too. I also run a logging 
program on my Mac - MacLoggerDX - and am going to ask the developer if he has 
any way (or plans for) to send macros to the KX3, or K3. Since that program 
uses my KX3-->computer port, I can't run it and the KX3 utility at the same 
time. I suppose that running the KX3 utility would also be a way of having 
additional macros, but I haven't read up on that because of my logging program 
using the port.

On the KX3 and K3 sharing - it works real slick! My first suggestion is to 
spend the $30-something dollars for that KE7X book on the KX3 - has some great 
info in it, including several diagrams in the back on EXACTLY how to have the 
KX3 share "stuff" with the K3. In my situation, I have the RF output from each 
radio going into a Daiwa two position coax switch. The output port of that 
switch goes to my KPA500 amp, and the RF output of the KPA500 goes to the 
KAT500 auto tuner. The tuner is connected to three different antennas: an 88 
foot long doublet for 40-6 meters, an 80 meter Inverted L, and a 160 meter 
Inverted L. Of course, I have the requisite 15-pin connectors running between 
the K3, KPA500, and KAT500. I've got on order from Elecraft the special RCA 
adapter cable that will run from the KX3 ACC2 jack to the back of the KAT500. 
This is needed if you plan on having the K3 powered off when you run the KX3. 
Otherwise, as I found out, the powered off K3 pulls the PTT down on the KPA500 
and ugly stuff happens. Anyway, Fred's book shows and explains how it works, 
and it DOES work! I can run my KX3 barefoot if I want, or I can run it through 
the KPA500 and get 190 watts output with 12 out of the KX3. If I want to run 
PSK31 at 25 watts out, I can dial the KX3 back to 2 watts and the KPA500 gives 
me 25. That's the lowest it goes. Dropping the KX3 power below 1.8 watts causes 
the KPA500 to drop back to zero out. But that's fine with me.

Hope that helps!

73, Jim / W6JHB


On   Tuesday, Jan 14, 2014, at  Tuesday, 10:40 AM, WM3M wrote:

> Jim,
> I too would like more buttons to use.
> I know Wayne has mentioned doing it but not done yet.
> If you don’t mind I have a question for you, how do you share the 
> KAT500/KPA500 between the K3 and the KX3?
> I have been wanting to do that but had not figured out a good way, please let 
> me know.
> Thank you... 73
> Emory  WM3M
> 
> -Original Message- From: Jim Bennett
> Sent: Tuesday, January 14, 2014 12:55 PM
> To: Elecraft Reflector Reflector
> Subject: [Elecraft] KX3 Macros
> 
> After recently reading (and re-reading, several times!) Fred Cady's excellent 
> book on the KX3, I was thinking about some of the functions I'd like to have 
> in macro form. I already have PF1 set to switch the AGC from Fast to Slow and 
> PF2 set to turn off or on the backlight. I've got the KX3 sharing a 
> KAT500/KPA500 and several antennas with a K3. It would be nice to have 
> another macro function that would allow me to set the KX3's internal tuner to 
> Bypass, w/o having to go into the Menu and hunt for it. Fred's book notes 
> that PF1 and PF2 were the only keys available at time of writing the book, 
> but more were planned for a future firmware release. The owner's manual I got 
> with the KX3 made no mention of any other keys being available. Have any been 
> added but not incorporated into the manual, or is this still on the drawing 
> board?
> 
> Tnx, Jim / W6JHB
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[Elecraft] KX3 audio quirk

[Mike Lichtman]

  I am using the KX3 with the KXPA100 with the built in tuner. Earlier today 
when I turned on the Notch filter to kill a heterodyne, it was successful but 
also muted the audio a bit. When I then turned the Shift/Width control the 
slightest amount the audio came back to normal volume. Has anyone noticed this 
before? Did I miss something in the manual on it?  73 Mike KF6KXG
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Re: [Elecraft] KX3 comparison

[Brian Hemmis]

I think we'd all like to hear your observations. Why don't you post them here ?
73, Brian K3USC

On Jan 17, 2014, at 11:10 PM, george fritkin  wrote:

> I have a KX3 and the new Ten Tec Argonaught Vl.  I would like to share notes 
> with any body that has both
> 
> Thanks, 
> 
> George, W6GF
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Re: [Elecraft] KX3 comparison

[Jim Lowman]

I'm sure that a lot of us would like to see the results of that 
comparison, George.


What we do know is that the Argonaut VI has a higher current demand on 
receive, and is missing some bands.
The Argonaut should have a very good receiver, like the Eagle, and 
excellent break-in CW; a Ten-Tec legend.
But an actual A/B comparison would be useful.  The human ear can't 
detect everything that laboratory instruments can.


After much wringing of the hands over the missing bands, I realized that 
I have an Argonaut VI+ so to speak.

All I have to do is turn my Eagle down to 5w.  :-)

73 de Jim - AD6CW

On 1/17/2014 8:10 PM, george fritkin wrote:

I have a KX3 and the new Ten Tec Argonaught Vl.  I would like to share notes 
with any body that has both

Thanks,

George, W6GF



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[Elecraft] KX3>KXPA100>KPA500

[Robert Chadbourne]

Has anyone figured out using the KXPA100 to drive the KPA500

73, K1LJO
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[Elecraft] KX3 Mobile Mount

[Mike Lichtman]

   Was the mobile mount for the KX3 ever sold or is it on the development 
list? If available, how can I order one? I would like to adapt it as part of an 
under shelf mount in my base station yet also be able to quickly take the xcvr 
portable. 73 Mike KF6KXG
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[Elecraft] KX3 Power Socket

[Dominic Baines]

The power lead/barrel connector on the second #2334 KX3 is starting to 
intermittently drop out. Most notable if you remove the internal 
batteries and try and operate from a supply only. It seems it is the 
socket itself that is duff. Yes using the Elecraft power leads not 
something homebrewed.


I am thinking it might be worth removing the socket, fitting a couple of 
power poles on a pig tail, and a grommet where the original socket was.


Anyone else done anything similar?

A second wash with iso propyl alcohol and the KX3 I thought wind blown 
sand had killed (#1082) seems fine now... there was a lot of dirt/dust 
that had not previously been removed.


72

Dom
M1KTA
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[Elecraft] KX3 firmware question

[Gerry leary]

What is the version number of the current KX3 firmware that is available? Sent 
from my iPhone this time 
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Re: [Elecraft] KX3 ordered!

[Barry LaZar]

Sean,
 Congratulation on your decision. You will like it. Plan on 
spending some time really learning how powerful a capability you have 
invested in, and then go out and work the world. Very best of luck.


73,
Barry
K3NDM

On 2/27/2014 2:08 PM, Sean Wall wrote:

Hi folks!

The big moment - I just ordered my KX3!  I decided to splurge and get the
ATU, roofing filter, and... the keyer paddle.  *gulp* Guess I'm committed
to learning Morse now! (Well, I did get a mic as well.   Gotta give myself
something to do until I can learn the code.)   I'll be getting an antenna
soon.  I'm thinking of an end-fed antenna from kx3helper.com and stringing
it up in the attic and making the garage (where the attic hatch is) my
"shack".  Pretty exciting stuff.  :)

As soon as I get my rig set up (and my call sign from the FCC) I'll be on
the air.  I'll let you know when I am.

-Sean  (call sign TBD)
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Re: [Elecraft] KX3 ordered!

[Sean Wall]

Wow, it's a bumper crop of excitement. Just got notified that my call sign
is in the ULS database. I've been assigned KK4YPE. Now it's *really*
official. ;)

-73 Sean
KK4YPE


On Thursday, February 27, 2014, Sean Wall  wrote:

> Hi folks!
>
> The big moment - I just ordered my KX3!  I decided to splurge and get the
> ATU, roofing filter, and... the keyer paddle.  *gulp* Guess I'm committed
> to learning Morse now! (Well, I did get a mic as well.   Gotta give myself
> something to do until I can learn the code.)   I'll be getting an antenna
> soon.  I'm thinking of an end-fed antenna from kx3helper.com and
> stringing it up in the attic and making the garage (where the attic hatch
> is) my "shack".  Pretty exciting stuff.  :)
>
> As soon as I get my rig set up (and my call sign from the FCC) I'll be on
> the air.  I'll let you know when I am.
>
> -Sean  (call sign TBD)
>
>
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Re: [Elecraft] KX3 ordered!

[Phil Wheeler]

Or "Yipes" -- Oops no "i" in there :-)

Congratulations, Sean. Once, in Aug 1953, I felt 
just as you seem to today!


I also have a KX3 on order to join my K3/P3 combo 
(and my first two Elecraft rigs, K2 and K1). 
Elecraft gets it right.


73, Phil w7ox

On 2/27/14, 12:36 PM, Sean Wall wrote:

Wow, it's a bumper crop of excitement. Just got notified that my call sign
is in the ULS database. I've been assigned KK4YPE. Now it's *really*
official. ;)

-73 Sean
KK4YPE


On Thursday, February 27, 2014, Sean Wall  wrote:


Hi folks!

The big moment - I just ordered my KX3!  I decided to splurge and get the
ATU, roofing filter, and... the keyer paddle.  *gulp* Guess I'm committed
to learning Morse now! (Well, I did get a mic as well.   Gotta give myself
something to do until I can learn the code.)   I'll be getting an antenna
soon.  I'm thinking of an end-fed antenna from kx3helper.com and
stringing it up in the attic and making the garage (where the attic hatch
is) my "shack".  Pretty exciting stuff.  :)

As soon as I get my rig set up (and my call sign from the FCC) I'll be on
the air.  I'll let you know when I am.

-Sean  (call sign TBD)






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Re: [Elecraft] KX3 ordered!

[Phil Hystad]

I think it is a contraction of "Yippie!!"


On Feb 27, 2014, at 12:43 PM, Phil Wheeler  wrote:

> Or "Yipes" -- Oops no "i" in there :-)
> 
> Congratulations, Sean. Once, in Aug 1953, I felt just as you seem to today!
> 
> I also have a KX3 on order to join my K3/P3 combo (and my first two Elecraft 
> rigs, K2 and K1). Elecraft gets it right.
> 
> 73, Phil w7ox
> 
> On 2/27/14, 12:36 PM, Sean Wall wrote:
>> Wow, it's a bumper crop of excitement. Just got notified that my call sign
>> is in the ULS database. I've been assigned KK4YPE. Now it's *really*
>> official. ;)
>> 
>> -73 Sean
>> KK4YPE
>> 
>> 
>> On Thursday, February 27, 2014, Sean Wall  wrote:
>> 
>>> Hi folks!
>>> 
>>> The big moment - I just ordered my KX3!  I decided to splurge and get the
>>> ATU, roofing filter, and... the keyer paddle.  *gulp* Guess I'm committed
>>> to learning Morse now! (Well, I did get a mic as well.   Gotta give myself
>>> something to do until I can learn the code.)   I'll be getting an antenna
>>> soon.  I'm thinking of an end-fed antenna from kx3helper.com and
>>> stringing it up in the attic and making the garage (where the attic hatch
>>> is) my "shack".  Pretty exciting stuff.  :)
>>> 
>>> As soon as I get my rig set up (and my call sign from the FCC) I'll be on
>>> the air.  I'll let you know when I am.
>>> 
>>> -Sean  (call sign TBD)
>>> 
>>> 
>> 
> 
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Re: [Elecraft] KX3 ordered!

[Keith Heimbold]

Congrats! You have picked an awesome transceiver as your first rig! As a fellow 
newbie (38 months), you will find the folks on this reflector to be nice and 
accommodating to all manners of questions related to the hobby and Elecraft 
equipment.

Good luck & 73,

Keith
AK6ZZ

Sent from my iPhone please excuse typos

> On Feb 27, 2014, at 12:47 PM, "Phil Hystad"  wrote:
> 
> I think it is a contraction of "Yippie!!"
> 
> 
>> On Feb 27, 2014, at 12:43 PM, Phil Wheeler  wrote:
>> 
>> Or "Yipes" -- Oops no "i" in there :-)
>> 
>> Congratulations, Sean. Once, in Aug 1953, I felt just as you seem to today!
>> 
>> I also have a KX3 on order to join my K3/P3 combo (and my first two Elecraft 
>> rigs, K2 and K1). Elecraft gets it right.
>> 
>> 73, Phil w7ox
>> 
>>> On 2/27/14, 12:36 PM, Sean Wall wrote:
>>> Wow, it's a bumper crop of excitement. Just got notified that my call sign
>>> is in the ULS database. I've been assigned KK4YPE. Now it's *really*
>>> official. ;)
>>> 
>>> -73 Sean
>>> KK4YPE
>>> 
>>> 
 On Thursday, February 27, 2014, Sean Wall  wrote:
 
 Hi folks!
 
 The big moment - I just ordered my KX3!  I decided to splurge and get the
 ATU, roofing filter, and... the keyer paddle.  *gulp* Guess I'm committed
 to learning Morse now! (Well, I did get a mic as well.   Gotta give myself
 something to do until I can learn the code.)   I'll be getting an antenna
 soon.  I'm thinking of an end-fed antenna from kx3helper.com and
 stringing it up in the attic and making the garage (where the attic hatch
 is) my "shack".  Pretty exciting stuff.  :)
 
 As soon as I get my rig set up (and my call sign from the FCC) I'll be on
 the air.  I'll let you know when I am.
 
 -Sean  (call sign TBD)
>> 
>> __
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Re: [Elecraft] KX3 ordered!

[Rick Tavan N6XI]

Congratulations, Sean. Welcome to a great hobby. Consider the CW Operators
Club "CW Academy," http://www.cwops.org/cwacademy.html as a path to Morse
Code proficiency. There is a backlog for online classes, so you may have to
wait a bit. During that time, learn to use your KX3 on SSB and how to tune
in CW signals. There are also some stand-alone learning programs that can
get you started before you get into a CWA class. See
http://www.cwops.org/resources.html . CW isn't just the best mode for QRP
operation with a KX3, it's also the best mode, period! Hope to hear you on
the air soon.

73,

/Rick N6XI


On Thu, Feb 27, 2014 at 11:08 AM, Sean Wall  wrote:

> Hi folks!
>
> The big moment - I just ordered my KX3!  I decided to splurge and get the
> ATU, roofing filter, and... the keyer paddle.  *gulp* Guess I'm committed
> to learning Morse now! (Well, I did get a mic as well.   Gotta give myself
> something to do until I can learn the code.)   I'll be getting an antenna
> soon.  I'm thinking of an end-fed antenna from kx3helper.com and stringing
> it up in the attic and making the garage (where the attic hatch is) my
> "shack".  Pretty exciting stuff.  :)
>
> As soon as I get my rig set up (and my call sign from the FCC) I'll be on
> the air.  I'll let you know when I am.
>
> -Sean  (call sign TBD)
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>



-- 
Rick Tavan N6XI
Truckee, CA
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[Elecraft] KX3 feature request

[GDR]

It sure would be nice to activate the ANT button so that it would toggle 
between two different antennas "settings", 1 or 2, when the ATU is installed. I 
have an OCF dipole and a vertical for HF. Each time I switch between the two I 
have to retune the ATU. I would much prefer to tap/hold the ANT button to go 
from one to the other. I know the KPA100 with ATU will do this but I want the 
KX3 to do it barefoot. Seems like it would be doable through software 
programming. 
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Re: [Elecraft] KX3 KXPA100

[Cady, Fred]

Hi,
There is a power calibration that you can do.  This is from the KX3 firmware 
notes for KX3 firmware 1.76.  Maybe you can try that.

MCU 1.76 / DSP 1.27, 11-20-2013

* MENU:PA MODE NOW HAS POWER-OUT CAL (P out CAL) SETTING:  This enables 75-W 
power calibration in TUNE mode. When PWR is adjusted, and "P out CAL" mode is 
in effect, setting power to 75 watts shows "CAL 75W" on VFO B.

* KXPA100 DRIVE POWER CAL DATA UTILIZED: If the KXPA100's per-band 75-W drive 
power has been saved at the factory, the KX3 will use it.  If not, the KX3's 
own per-band amplifier drive data is used (if available). This data is created 
by setting PA MODE to Pout CAL (see above), then doing a TUNE on each band at 
75 W.


Cheers,
Fred KE7X

"The Elecraft K3: Design, Configuration and Operation 2nd ed"
"The Elecraft KX3 - Going for the summit"
www.ke7x.com or www.lulu.com 
KPA500 and KAT500 Quick Set Up Guide
http://www.ke7x.com/home/k-line-introduction-and-set-up-guide 
(Coming soon: "The Elecraft KPA500 and KAT500 - the K-Line Dream Station")


-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of G7KXZ
Sent: Tuesday, March 04, 2014 10:14 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] KX3 KXPA100

Hi All,

I have had my KX3 for some time, just completed a kit KXPA100 with Tuner.

Testing all works well, ATU tunes very well. Audio reports on TX good.

My issue is with the Power out LED's and the Utility program monitoring the 
power. I do not have an accurate Power Meter Output appears as indicated not to 
exceed 70W

The LEDs follow the Utility program (makes sense) Can an adjustments be made? 
I am off to EA8 land on Monday. and would like to run 100w and not 12w 
!!!

Att On
SWR 1:1
KX3 Dial= 25W
Utility Input= 0.4
Utility Forward= 7
Dissipated= 52
Relected= 0.0

SWR 1:1
KX3 Dial= 50W
Utility Input= 1.2
Utility Forward= 20
Dissipated= 74
Relected= 0.1

SWR 1:1
KX3 Dial= 75W
Utility Input= 2.1
Utility Forward= 36.5
Dissipated= 87
Relected= 0.3

SWR 1:1
KX3 Dial= 100W
Utility Input= 4
Utility Forward= 64
Dissipated= 96
Relected= 0.4

SWR 1:1
KX3 Dial= 110W
Utility Input= 5
Utility Forward= 75
Dissipated= 96.5
Relected= 0.4



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Re: [Elecraft] KX3 KXPA100

[Matt VK2RQ]

First check the supply voltage to the amp -- if you're not giving it at least 
13,8V you may find it winds back the max output power.

73, Matt VK2RQ

> On 5 Mar 2014, at 4:36 am, "Cady, Fred"  wrote:
> 
> Hi,
> There is a power calibration that you can do.  This is from the KX3 firmware 
> notes for KX3 firmware 1.76.  Maybe you can try that.
> 
> MCU 1.76 / DSP 1.27, 11-20-2013
> 
> * MENU:PA MODE NOW HAS POWER-OUT CAL (P out CAL) SETTING:  This enables 75-W 
> power calibration in TUNE mode. When PWR is adjusted, and "P out CAL" mode is 
> in effect, setting power to 75 watts shows "CAL 75W" on VFO B.
> 
> * KXPA100 DRIVE POWER CAL DATA UTILIZED: If the KXPA100's per-band 75-W drive 
> power has been saved at the factory, the KX3 will use it.  If not, the KX3's 
> own per-band amplifier drive data is used (if available). This data is 
> created by setting PA MODE to Pout CAL (see above), then doing a TUNE on each 
> band at 75 W.
> 
> 
> Cheers,
> Fred KE7X
> 
> "The Elecraft K3: Design, Configuration and Operation 2nd ed"
> "The Elecraft KX3 - Going for the summit"
> www.ke7x.com or www.lulu.com 
> KPA500 and KAT500 Quick Set Up Guide
> http://www.ke7x.com/home/k-line-introduction-and-set-up-guide 
> (Coming soon: "The Elecraft KPA500 and KAT500 - the K-Line Dream Station")
> 
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of G7KXZ
> Sent: Tuesday, March 04, 2014 10:14 AM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] KX3 KXPA100
> 
> Hi All,
> 
> I have had my KX3 for some time, just completed a kit KXPA100 with Tuner.
> 
> Testing all works well, ATU tunes very well. Audio reports on TX good.
> 
> My issue is with the Power out LED's and the Utility program monitoring the 
> power. I do not have an accurate Power Meter Output appears as indicated not 
> to exceed 70W
> 
> The LEDs follow the Utility program (makes sense) Can an adjustments be made? 
> I am off to EA8 land on Monday. and would like to run 100w and not 
> 12w !!!
> 
> Att On
> SWR 1:1
> KX3 Dial= 25W
> Utility Input= 0.4
> Utility Forward= 7
> Dissipated= 52
> Relected= 0.0
> 
> SWR 1:1
> KX3 Dial= 50W
> Utility Input= 1.2
> Utility Forward= 20
> Dissipated= 74
> Relected= 0.1
> 
> SWR 1:1
> KX3 Dial= 75W
> Utility Input= 2.1
> Utility Forward= 36.5
> Dissipated= 87
> Relected= 0.3
> 
> SWR 1:1
> KX3 Dial= 100W
> Utility Input= 4
> Utility Forward= 64
> Dissipated= 96
> Relected= 0.4
> 
> SWR 1:1
> KX3 Dial= 110W
> Utility Input= 5
> Utility Forward= 75
> Dissipated= 96.5
> Relected= 0.4
> 
> 
> 
> __
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Re: [Elecraft] KX3 KXPA100

[G7KXZ]

Thanks for the quick response 
Much appreciated. 
The PA CAL has made things a whole lot better across the bands.

Just worked W1AW/P0 on 10m running 25w to a Buddipole 

Who needs QRO just use the right band and propagation ;)

73
Kev


Sent from my iPhone5


> On 4 Mar 2014, at 18:21, Matt VK2RQ  wrote:
> 
> First check the supply voltage to the amp -- if you're not giving it at least 
> 13,8V you may find it winds back the max output power.
> 
> 73, Matt VK2RQ
> 
>> On 5 Mar 2014, at 4:36 am, "Cady, Fred"  wrote:
>> 
>> Hi,
>> There is a power calibration that you can do.  This is from the KX3 firmware 
>> notes for KX3 firmware 1.76.  Maybe you can try that.
>> 
>> MCU 1.76 / DSP 1.27, 11-20-2013
>> 
>> * MENU:PA MODE NOW HAS POWER-OUT CAL (P out CAL) SETTING:  This enables 75-W 
>> power calibration in TUNE mode. When PWR is adjusted, and "P out CAL" mode 
>> is in effect, setting power to 75 watts shows "CAL 75W" on VFO B.
>> 
>> * KXPA100 DRIVE POWER CAL DATA UTILIZED: If the KXPA100's per-band 75-W 
>> drive power has been saved at the factory, the KX3 will use it.  If not, the 
>> KX3's own per-band amplifier drive data is used (if available). This data is 
>> created by setting PA MODE to Pout CAL (see above), then doing a TUNE on 
>> each band at 75 W.
>> 
>> 
>> Cheers,
>> Fred KE7X
>> 
>> "The Elecraft K3: Design, Configuration and Operation 2nd ed"
>> "The Elecraft KX3 - Going for the summit"
>> www.ke7x.com or www.lulu.com 
>> KPA500 and KAT500 Quick Set Up Guide
>> http://www.ke7x.com/home/k-line-introduction-and-set-up-guide 
>> (Coming soon: "The Elecraft KPA500 and KAT500 - the K-Line Dream Station")
>> 
>> 
>> -Original Message-
>> From: elecraft-boun...@mailman.qth.net 
>> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of G7KXZ
>> Sent: Tuesday, March 04, 2014 10:14 AM
>> To: elecraft@mailman.qth.net
>> Subject: [Elecraft] KX3 KXPA100
>> 
>> Hi All,
>> 
>> I have had my KX3 for some time, just completed a kit KXPA100 with Tuner.
>> 
>> Testing all works well, ATU tunes very well. Audio reports on TX good.
>> 
>> My issue is with the Power out LED's and the Utility program monitoring the 
>> power. I do not have an accurate Power Meter Output appears as indicated not 
>> to exceed 70W
>> 
>> The LEDs follow the Utility program (makes sense) Can an adjustments be 
>> made? 
>> I am off to EA8 land on Monday. and would like to run 100w and not 
>> 12w !!!
>> 
>> Att On
>> SWR 1:1
>> KX3 Dial= 25W
>> Utility Input= 0.4
>> Utility Forward= 7
>> Dissipated= 52
>> Relected= 0.0
>> 
>> SWR 1:1
>> KX3 Dial= 50W
>> Utility Input= 1.2
>> Utility Forward= 20
>> Dissipated= 74
>> Relected= 0.1
>> 
>> SWR 1:1
>> KX3 Dial= 75W
>> Utility Input= 2.1
>> Utility Forward= 36.5
>> Dissipated= 87
>> Relected= 0.3
>> 
>> SWR 1:1
>> KX3 Dial= 100W
>> Utility Input= 4
>> Utility Forward= 64
>> Dissipated= 96
>> Relected= 0.4
>> 
>> SWR 1:1
>> KX3 Dial= 110W
>> Utility Input= 5
>> Utility Forward= 75
>> Dissipated= 96.5
>> Relected= 0.4
>> 
>> 
>> 
>> __
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[Elecraft] KX3 Travel Stand

[Richard Newstead]

Hi Elecrafters

I have just made a video about the latest version of our popular KX3 Travel
Stand.

https://www.youtube.com/watch?v=uPny-121AfI

I hope that you like it!

73 Richard G3CWI
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Re: [Elecraft] KX3 KXPA100

[G7KXZ]

I think I may have found the problem, although not tested

My dummy load has gone open circuit ( at QRP Power it matches 1:1 anything over 
10w and it goes to 6:1 !!
Its now in the bin.

The losses are obviously reflected

I will post again when tested with a 'functional' dummy load


Cheers
Kevin


On 4 Mar 2014, at 18:21, Matt VK2RQ  wrote:

> First check the supply voltage to the amp -- if you're not giving it at least 
> 13,8V you may find it winds back the max output power.
> 
> 73, Matt VK2RQ
> 
>> On 5 Mar 2014, at 4:36 am, "Cady, Fred"  wrote:
>> 
>> Hi,
>> There is a power calibration that you can do.  This is from the KX3 firmware 
>> notes for KX3 firmware 1.76.  Maybe you can try that.
>> 
>> MCU 1.76 / DSP 1.27, 11-20-2013
>> 
>> * MENU:PA MODE NOW HAS POWER-OUT CAL (P out CAL) SETTING:  This enables 75-W 
>> power calibration in TUNE mode. When PWR is adjusted, and "P out CAL" mode 
>> is in effect, setting power to 75 watts shows "CAL 75W" on VFO B.
>> 
>> * KXPA100 DRIVE POWER CAL DATA UTILIZED: If the KXPA100's per-band 75-W 
>> drive power has been saved at the factory, the KX3 will use it.  If not, the 
>> KX3's own per-band amplifier drive data is used (if available). This data is 
>> created by setting PA MODE to Pout CAL (see above), then doing a TUNE on 
>> each band at 75 W.
>> 
>> 
>> Cheers,
>> Fred KE7X
>> 
>> "The Elecraft K3: Design, Configuration and Operation 2nd ed"
>> "The Elecraft KX3 - Going for the summit"
>> www.ke7x.com or www.lulu.com 
>> KPA500 and KAT500 Quick Set Up Guide
>> http://www.ke7x.com/home/k-line-introduction-and-set-up-guide 
>> (Coming soon: "The Elecraft KPA500 and KAT500 - the K-Line Dream Station")
>> 
>> 
>> -Original Message-
>> From: elecraft-boun...@mailman.qth.net 
>> [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of G7KXZ
>> Sent: Tuesday, March 04, 2014 10:14 AM
>> To: elecraft@mailman.qth.net
>> Subject: [Elecraft] KX3 KXPA100
>> 
>> Hi All,
>> 
>> I have had my KX3 for some time, just completed a kit KXPA100 with Tuner.
>> 
>> Testing all works well, ATU tunes very well. Audio reports on TX good.
>> 
>> My issue is with the Power out LED's and the Utility program monitoring the 
>> power. I do not have an accurate Power Meter Output appears as indicated not 
>> to exceed 70W
>> 
>> The LEDs follow the Utility program (makes sense) Can an adjustments be 
>> made? 
>> I am off to EA8 land on Monday. and would like to run 100w and not 
>> 12w !!!
>> 
>> Att On
>> SWR 1:1
>> KX3 Dial= 25W
>> Utility Input= 0.4
>> Utility Forward= 7
>> Dissipated= 52
>> Relected= 0.0
>> 
>> SWR 1:1
>> KX3 Dial= 50W
>> Utility Input= 1.2
>> Utility Forward= 20
>> Dissipated= 74
>> Relected= 0.1
>> 
>> SWR 1:1
>> KX3 Dial= 75W
>> Utility Input= 2.1
>> Utility Forward= 36.5
>> Dissipated= 87
>> Relected= 0.3
>> 
>> SWR 1:1
>> KX3 Dial= 100W
>> Utility Input= 4
>> Utility Forward= 64
>> Dissipated= 96
>> Relected= 0.4
>> 
>> SWR 1:1
>> KX3 Dial= 110W
>> Utility Input= 5
>> Utility Forward= 75
>> Dissipated= 96.5
>> Relected= 0.4
>> 
>> 
>> 
>> __
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[Elecraft] KX3 through TSA

[eric norris]

I have flown with a QRP radio exactly once in the past ten years.  I was pulled 
out of line after x-ray, and sent to an area some distance from the x-ray 
machine.  There I stood until a guy came over and donned nitrile gloves, and 
using a pair of tongs, swabbed my radio, cables, atu, paddles, etc, then stuck 
the large swab into a machine.  I started to speak to him, but another TSA 
official told me to remain quiet.  The rest of the passengers filed by, looking 
at me like I was Mohammed Atta.  I was not asked a single question.

The non-swabbing guard then motioned me back over, apparently unaware I was, in 
fact, fluent in English.  He then pointed to the line, indicating I could go.  
I was a bit surprised, because everyone knows at FT-817 can blow up at any 
time.  
73,

Eric  
WD6DBM
Sent from Yahoo Mail on Android

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Re: [Elecraft] KX3 Manuals

[Matt VK2RQ]

http://www.ke7x.com/The-KX3

73,
Matt VK2RQ

> On 14 Mar 2014, at 6:27 am, Hunter Ellington  wrote:
> 
> One and all, I am about to receive a new (to me) KX3.  Is there an after 
> market operator's manual like the one Fred Cassy wrote for the K3?
> 
>  
> K0GFY  R. Hunter Ellington
> 303-996-6585/720-560-8139
> P.O. Box 44
> Larkspur, CO 80118
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Re: [Elecraft] KX3 Manuals

[Hunter Ellington]

Thanks.

 
K0GFY  R. Hunter Ellington
303-996-6585/720-560-8139
P.O. Box 44
Larkspur, CO 80118



On Thursday, March 13, 2014 1:31 PM, Matt VK2RQ  wrote:
 
http://www.ke7x.com/The-KX3

73,
Matt VK2RQ


> On 14 Mar 2014, at 6:27 am, Hunter Ellington  wrote:
> 
> One and all, I am about to receive a new (to me) KX3.  Is there an after 
> market operator's manual like the one Fred Cassy wrote for the K3?
> 
>  
> K0GFY  R. Hunter Ellington
> 303-996-6585/720-560-8139
> P.O. Box 44
> Larkspur, CO 80118
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Re: [Elecraft] KX3 Manuals

[Bob]

Also this:

http://www.niftyaccessories.com/Elecraft_RefGuide.htm

A smaller condensed manual, easy to pack and take.

I have and could recommend both. They serve different purposes

73,
Bob
K2TK Ex KL2TKR (1956) & K2TKR

On 3/13/2014 3:31 PM, Matt VK2RQ wrote:

http://www.ke7x.com/The-KX3

73,
Matt VK2RQ


On 14 Mar 2014, at 6:27 am, Hunter Ellington  wrote:

One and all, I am about to receive a new (to me) KX3.  Is there an after market 
operator's manual like the one Fred Cassy wrote for the K3?

  
K0GFY  R. Hunter Ellington

303-996-6585/720-560-8139
P.O. Box 44
Larkspur, CO 80118



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[Elecraft] KX3 Heat Sink

[Gary Schultz]

Check out my listings on eBay for my new heat sinks with engraved
callsign.  Just do a search for "kx3 heat sink".   They will also be
available without callsign soon.  Thanks  Gary, N8WTT
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[Elecraft] KX3 firmware issue

[Dick Hanson]

Howdy.

 

After successfully upgrading my firmware on two previous occasions,
yesterday's efforts left me with a dead radio.

To make matters somewhat worse, I'd since changed computers so the backup
file was gone.

 

The upgrade would have been to 1.87 had it completed successfully.

I replaced the serial cable; didn't help.

Changed to a different computer; that also did not help.

All of my computers are running Win 7 OS.

 

The utility window message is 'reload mcu'; did that a half dozen times or
so.

 

Help of any sort would be sincerely appreciated.

Please reply off list and I'll post any successful ideas.

 

73, 

Dick, K5AND

Be sure to join us at the 48th Annual CSVHF Conference on July 24-27 in
Austin, TX. 

Visit   www.csvhfs.org for more information.

 

 

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[Elecraft] KX3 Heat Sink

[Gary Schultz]

Due to the overwhelming response,  I'm temporally out of stock for the CALL
SIGN option  A much bigger batch is in the works  Watch for my ebay
listings or send me an email n8...@arrl.net to be notified of
availability.  BTW the no call sign options are still available.
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[Elecraft] KX3 / NaP3 Question

[Jim Bennett]

I'm running NAp3 v2.2.4.2 on Windows 8.1, connected to the RX I/Q port on my 
KX3 at one end and to the Line In jack on an iMac on the other end. As some 
other folks have seen, there is an initial issue with "images" or "duplicated" 
signals when NaP3 starts up. Ken (W0CZ) tipped me to a way to get rid of the 
image issue by opening the NaP3 Config panel, going to the DSP tab, and then 
doing a "Calibrate". This works quite well and just about completely eliminates 
those images. However

When I key the KX3, I see my own signal (quite strong) on the NaP3 display and 
this completely throws out the calibration, bringing back the images, big time. 
I have tried several things to eliminate this: First, I tried using a PTT 
switch with the KX3 instead of QSK - I still see my signal on the pan display. 
Then, I pressed XMIT on the KX3 prior to keying it - no change, still see my 
signal. Next, I built an audio isolator to put in the line between the KX3 and 
the Line In jack on the iMac. No change. Finally, I wound the cable through a 
2.4" mix 31 ferrite core nine times, thinking that maybe RF was somehow getting 
things hosed. That didn't help.

So, my questions are: why am I seeing my signal from the KX3 RX I/Q when I 
transmit? Shouldn't that line be cut off completely when the KX3 goes into 
transmit? If not, can this be changed so it does? :-)

Jim / W6JHB


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[Elecraft] KX3 Audio Power

[Doug Person]

Now that the KX3 can function as a full QRO transceiver with the new 
amplifier, I find myself a bit disappointed with audio output power.  
Even with the most efficient speaker I can find, I can't really get a 
comfortable audio level.  So, I'm kind of stuck with headphones to 
really hear well.  Wondering if anyone has tried building a simple audio 
amp that will power a decent desk speaker. I was wondering if these 
class "D" modules are worth investigating. Anyone have any ideas?


73, Doug -- K0DXV
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[Elecraft] KX3 Batt Err

[gt-i]

I get an "bat Err" message if I want to charge my battery pack on the KX3.
The battery (NiMh) seems to be very low, as the KX3 doesn't start with 
them. The LEDs light up shortly then nothing.

But if powered externally, I'd expect I get my battery recharged.

What can I do?
Tnx,
Gernot, DF5RF
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[Elecraft] KX3 - CW weighting

[pa3deb]

Hi,

I'm experiencing a difference in handling the cw-weighting by my KX3 (serial
4766, MCU 01.87, DSP 01.28)
I don't have a scope, but my hearing is ok ;-) 
I adjusted the menu setting for cw weight to 1.15, because I like a little
bit more "rounded" tone.
I can only hear that back, when I use the XMIT-button to place the rig in
TX-mode. When I'm using the VOX the keying seems unaffected by the
weight-setting.
Please tell me if this is reproducable and if so, can it be changed?

Thanks for any input.
Kees, PA3DEB



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View this message in context: 
http://elecraft.365791.n2.nabble.com/KX3-CW-weighting-tp7586486.html
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Re: [Elecraft] KX3 Heatsinks

[Howard Hoyt]

There has been a lot of talk recently regarding the KX3, thermal limits 
and heatsinks.


Some of you may remember the heatsink design and pictures I originally 
posted six months ago.  I think I was one of the first to execute a 
heatsink design for the KX3, but soon afterward my company machine shop 
closed.  In the intervening months I have done a lot of testing and 
modeling to the KX3 thermal situation, and I'm now making them at a new 
machine shop.  Interestingly enough, concurrent with the release of a 
couple of other heatsink designs recently, I have begun receiving quite 
a few requests to make my heatsink design available for purchase.  This 
says to me there is a market for a heatsink not satisfied by the others, 
so I'm within two weeks away from the first production run returning 
from anodizing.  This list isn't the place to post an advertisement, so 
if you are interested in the PAE-Kx31 heatsink, please check it out at:

http://www.proaudioeng.com/?page_id=40

Considering all of the optional accessories coming out for the KX3, I 
would say the experimenter spirit hasn't gone out of ham radio yet!



Cheers & 73,

Howard Hoyt - WA4PSC
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[Elecraft] KX3-2M module?

[Lance Collister, W7GJ]

Has anybody heard anything regarding the timing of the KX3-2M module for the KX3?  Is 
it still planned for high enough stability for JT65B mode and a maximum power of 10w? 
TNX and VY 73, Lance*

*

--
Lance Collister, W7GJ
(ex WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8, E51SIX, 3D2LR, 5W0GJ, E6M, TX5K)
P.O. Box 73
Frenchtown, MT   59834-0073
USA
TEL: (406) 626-5728
QTH: DN27ub
URL: http://www.bigskyspaces.com/w7gj
Windows Messenger: w...@hotmail.com
Skype: lanceW7GJ
2m DXCC #11/6m DXCC #815

Interested in 6m EME?  Ask me about subscribing to the Magic Band EME
email group, or just fill in the request box at the bottom of my web
page (above)!

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[Elecraft] KX3 caring case

[Richard Range]

Does anyone know if Rose is still making the cases for Elecraft radios? I
ordered mine back in Feb. for the KX3 and haven't heard from her since. Rich
WB9SFG

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[Elecraft] KX3 Temp compensation

[P.J.Hicks]

Shortly after I got my KX3, #1716 I think, I noticed some moderate drift while 
doing PSK31. I bought, built and ran the Extende d VFO C ompensation procedure 
and things improved. Now, about a year or 18 months later I am told I have 
drift showing up on my signal. I re-ran the procedure and all appears to bbe 
good. My question regards the last statement on pg 5 of the procedure yhat says 
" Be sure to perform the RECAL calibration at room temperature, as described in 
your KX3 manual.". Is this statement in referance to the 'Initial  Reference 
Calibration' done at the start of the procedure or to the procedure in the 
manual which I have already done? Must it be done again after the VFO 
procedure? 

I guess it wouldn't hurt to do it again but is it necessary? 



PJH, N7PXY 
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[Elecraft] KX3 broadcast interference

[Thaire Bryant]

Yesterday afternoon I noticed an odd issue with my KX3.  I've had it almost two 
years and have never seen this before.  17 meters had broadcast interference 
from one end to the other on USB and CW (same station).  I could hear nothing 
on AM.  I checked the K3 and K2 on the same antenna and had no interference.  
On the KX3 it was only on 17M but on any antenna.  Any ideas?

Thaire. W2APF

Sent from my iPhone
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