[Elecraft] K3 Digital Voice Recorder Offset

[Bill Schwantes]

Greetings,


I have an older K3 with the digital voice recorder.  When I play a
digitally recorded message the monitored audio makes it sound like I’m
listening to a sideband station that’s tuned a couple hundred cycles high.
Others who hear my transmitted signal do not hear this offset.  Does anyone
have ideas why this happens and how to correct it?



73 Bill W7QQ
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Re: [Elecraft] [KX3] Power On/Off Feature Request

[Lyle Johnson]

The power switch pair is not a software controlled option, but a 
hard-wired circuit that cannot be made configurable.


73,

Lyle KK7P (designer of the board)


On 7/17/17 3:45 PM, Scott Russell wrote:

On Jul 17, 2017, at 3:22 PM, Scott Russell  wrote:

Would it be possible to add a menu feature to change the Power On/Off
button combo to buttons on the bottom row, for example PRE+DLY.


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Re: [Elecraft] [KX3] Power On/Off Feature Request

[Scott Russell]

To clarify, I fully understand the reason the button combo is needed. I'm only 
asking if a menu option could be implemented to use the bottom row as an 
alternative, not replacing the current setting. With people using the KX3 on 
the desk and not portable it feels more natural to press the lower buttons. 

Thanks,

Scott N1SER 

> On Jul 17, 2017, at 6:16 PM, Nr4c  wrote:
> 
> That's kinda the idea!  It's harder to have the radio accidentally get turned 
> on while hiking up the mountain in the backpack. After all, it's a PORTABLE 
> HF radio. 
> 
> It does however get to be a pain when used on a desk even in the camper. 
> 
> Sent from my iPhone
> ...nr4c. bill
> 
> 
>> On Jul 17, 2017, at 3:22 PM, Scott Russell  wrote:
>> 
>> Would it be possible to add a menu feature to change the Power On/Off
>> button combo to buttons on the bottom row, for example PRE+DLY.
>> 
>> I find when using the KX3 as a base radio the BAND+ATU TUNER buttons are
>> more difficult to press at the same time as would buttons across the bottom
>> row.
>> 
>> Thanks!
>> 
>> -- 
>> Scott Russell, N1SER
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Re: [Elecraft] [KX3] Power On/Off Feature Request

[Nr4c]

That's kinda the idea!  It's harder to have the radio accidentally get turned 
on while hiking up the mountain in the backpack. After all, it's a PORTABLE HF 
radio. 

It does however get to be a pain when used on a desk even in the camper. 

Sent from my iPhone
...nr4c. bill


> On Jul 17, 2017, at 3:22 PM, Scott Russell  wrote:
> 
> Would it be possible to add a menu feature to change the Power On/Off
> button combo to buttons on the bottom row, for example PRE+DLY.
> 
> I find when using the KX3 as a base radio the BAND+ATU TUNER buttons are
> more difficult to press at the same time as would buttons across the bottom
> row.
> 
> Thanks!
> 
> -- 
> Scott Russell, N1SER
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[Elecraft] [KX3] Power On/Off Feature Request

[Scott Russell]

Would it be possible to add a menu feature to change the Power On/Off
button combo to buttons on the bottom row, for example PRE+DLY.

I find when using the KX3 as a base radio the BAND+ATU TUNER buttons are
more difficult to press at the same time as would buttons across the bottom
row.

Thanks!

-- 
Scott Russell, N1SER
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[Elecraft] KX3 (SN01674) and CW in SSB - Feature request

[Martin Theodor Grewe]

Hi Elecraft,

and also a "high five" to David - met you on "HAM radio 2017" at QRP
project!!
Thanks for your time and the nice discussion.

Now my very special problem I try to post to the "masses" to explain
how to improve transverter work at frequencies from 23cm up to 1.5cm with
KX3.
Hopefully other OMs might have similar problems or requests.

In 2012 I ordered the KX3 - was not aware of its "nifty gifty" features -
just would like
to do shortwave and some, when available, 2m repeater work also.

in 2013 I joined the VHF-contest station "DL0LN" here in germany an its a
pleasure to
work with all the SHF guys and equipment. All transverters in these days
worked "on its own".
You have to have change cables, use one IC 202, next band another IC 202
etc.
This was a bit too much "overhead" for me.

In december 2015 I could purchase a nice transverterbox, all included, it
needs only
146 MHz drive and only one antenna. So I tried to use my good old KX3 for
these bands @146 MHz.
And: Its working! All bands are stable (after temperature compensating the
LO, see application note).

One Contestmember, Oliver, DJ2QZ and I, DL1MTG, tried to do an optimization
and spend hours
to find and configure the best settings working for SSB and CW operating.

Well, one big finding was "doing CW in SSB mode" so called *C**W-IN-SSB*.
The frequency is at
SHF contest work extremly important - a small change in freq and the QSO is
lost. Therefore
it is a pleasure to call in SSB, station is answering in CW, very weak
signal: *C**W-IN-SSB *is possible.
And now the request: station did not get my call, I have to activate
Voice-Keyer again! But stop,
He can only read my CW signal - lets activate the CW-Keyer... ups, have to
change mode from SSB to
CW - to activate CW keyer: frequency lost!!! Station lost, no QSO!! To
explain further: I also now
the "SSB/CW VFO Offset" - but this is not helpful in "transverterbusiness".

I'd like to get something like "working in SSB", hear an answer in CW,
activate memory 3 or 4 which is only
used in "*C**W-IN-SSB", *to send a CQ-Call from memory 3 or an "QRZ QRZ
DL0LN DL0LN" from
memory 4 etc. in SSB - CW-IN-SSB oc.

Its a special case. Why is it necessary to mix up SSB and CW - this ist the
only case
I know at this time:-) Hopefully other stations have similar requests?

Kind regards,
Martin, DL1MTG / DL0LN
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Re: [Elecraft] Elecraft@mailman.qth.net

[Bob McGraw K4TAX]

I have found certain instances when using a software program to control 
/ communicate with the radio, when closing the software application it 
may not terminate correctly and thus leave some odd data in the radio or 
leave the radio in questionable or unknown state.  This most often 
occurs when one shuts down the station, thus turning the radio off 
before closing the program.   In many cases, a master reset of the radio 
corrects the issue.until next time.


Power up and power down sequence along with software initialization and 
termination can be problematic.   For the most part I allow the computer 
to fully boot, have the radio off but connected to the computer, turn on 
the power supply, turn on the radio, load the operating software / 
application on the computer. To shut down, close the software / 
application on the computer, turn off the radio, turn off the power 
supply and finally shut down the computer.  Your sequence may vary 
somewhat depending on your station configuration.



73

Bob, K4TAX

K3S s/n 10163


On 7/17/2017 10:38 AM, Tom Parish wrote:

I have a feeling I've bumble-fingered something on my KX2 configuration for
CW decoding.

CW decoding is not happening anymore with received signals. Though, oddly,
it's working when I touch the paddles.

As background, I had installed for test purposes Ham Radio Deluxe Software.
After I used it this weekend (well tried to use it) I found my KX2 in an
odd state.  This is likely unreleated but it was something I noticed.

Problem: I'm not seeing any CW decoding anymore except when I manually
touch the paddles.

I can hear CW signals coming in strong but no decoding seems to be occuring
for them.

Settings:
MODE: CW
FILTER: .45
CWT:  on
Logging: On
Green LED is showing
RX Thr - I've tried from THR1-THR4 - no change
The "T" is showing in the lower right hand corner

Is there some other setting I may have inadvertently changed?

appreciatively
Tom
KB5RF





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[Elecraft] Looking to enhance my KX3 station

[Gary Mentro]

 

I am looking for both the PX3 and the KXPA100 with the tuner installed with
all the associated cables.

 

If you are thinking about selling yours please let me know what you are
asking. 

I also have a beautiful ALS-600S w/PS that I would be willing to trade if
someone has interest in that.

 

PayPal is definitely preferred. My zip is 33525 for shipping calculations.
Thanks for reading this and sharing.

 

Gary N3OS   gmen...@gmail.com or n...@arrl.net 

 

 

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Re: [Elecraft] Really OT: Inside-the-vehicle HF antennas (possible bonus points)

[Lyle Johnson]

In my Model S all AM/FM broadcast reception antennas are hidden in the 
driver-side mirror housing.


I suggest you simply make a physically small antenna that can fit under 
some plastic part of your car.   Wayne has a Prius so it is mostly 
plastic bodywork providing lots of opportunities.


Then insert the small antenna into a very low loss, extremely high-k 
dielectric to make the physically small antenna electrically resonant at 
the desired frequency.  If it works, patent the dielectric material!


You can then encase a typical satellite TV dish in the same dielectric 
and have a very directional HF beam and get around all the HOA problems 
for those who operate radio while NOT in their car :-)


Air as a dielectric is so 20th century...

73,

Lyle KK7P

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Re: [Elecraft] Elecraft@mailman.qth.net

[Brian Hunt]

Is the RF gain all the way up (-0)?  Preamp ON?  Is the CWT cursor blinking 
with the received CW?  Make sure the filter is centered on the PITCH tone 
(indicated by the *. Use the SPT to tune the signal. 

Just a few thoughts. Hope it helps. 

73,
Brian, K0DTJ

> On Jul 17, 2017, at 08:38, Tom Parish  wrote:
> 
> I have a feeling I've bumble-fingered something on my KX2 configuration for
> CW decoding.
> 
> 

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Re: [Elecraft] Really OT: Inside-the-vehicle HF antennas (possible bonus points)

[Peter Eijlander (PA0PJE)]

Not only FM, Ron. In my car it's for both FM, MW and LW
The lines are formed in a strange way, not just horizontal parallel 
wires but here and there are openings. It works well on all three bands, 
that is until the last MW and LW transmitters are turned off here in 
Europe and FM will be left alone... FM is largely swapped for DAB+ at 
the moment.


72,
Peter

Op 2017-07-16 om 19:04 schreef Ron D'Eau Claire:

I thought that was how FM antennas were implemented in some cars already, but 
without using resistance wire.

73, Ron AC7AC

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[Elecraft] Elecraft@mailman.qth.net

[Tom Parish]

I have a feeling I've bumble-fingered something on my KX2 configuration for
CW decoding.

CW decoding is not happening anymore with received signals. Though, oddly,
it's working when I touch the paddles.

As background, I had installed for test purposes Ham Radio Deluxe Software.
After I used it this weekend (well tried to use it) I found my KX2 in an
odd state.  This is likely unreleated but it was something I noticed.

Problem: I'm not seeing any CW decoding anymore except when I manually
touch the paddles.

I can hear CW signals coming in strong but no decoding seems to be occuring
for them.

Settings:
MODE: CW
FILTER: .45
CWT:  on
Logging: On
Green LED is showing
RX Thr - I've tried from THR1-THR4 - no change
The "T" is showing in the lower right hand corner

Is there some other setting I may have inadvertently changed?

appreciatively
Tom
KB5RF


-- 

Inspire Curiosity Together
Bildr  - no code programming platform
512-782-4814 KB5RF
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Re: [Elecraft] QRPworks SideKar

[Raymond Sills]

I, too, have had excellent support from QRPworks with my Ham Central Terminal.  
The SideKar is a newer product and does a bit more than the HCT, so I'm sure 
anyone would do well with it.  I had used my HCT for Field Day to send QSO info 
and for logging.  


73 de Ray
K2ULR
KX3 #211


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Re: [Elecraft] PX3 Problem?

[Dave Sublette]

Good morning all,

I read all of the latest suggestions, and they were good ones.  I got into the 
menu and determined that the noise blanker was off, as it should have been.  
The PX3 seems to be working properly now and the main thing that helped was 
turning on the preamp in the KX3.  I use the KX3 on 28 MHz as an IF for several 
VHF transverters.  Since I have mast mounted preamps for each band, I thought 
it would be better to turn off the internal preamp in the KX3.  BUT — I also 
work HF with the KX3 and that is where I was having the “spur problem”. So, 
when I turned the preamp back on in the KX3 it all went away.  

I thank you all for your patient and kind help.  I learn a little every time I 
go through one of these exercises.  It’s good for me to keep up.  60 years ago, 
when I got my first ticket, the equipment to do what the KX3 does today would 
have filled a wall in my shack. In fact, there wasn’t any equipment available 
to do what the KX3 does in some ways.  It’s a great thing, this radio stuff.  
But I think the best thing about it is the people we interact with.

73 all,

Dave, K4TO

> On Jul 17, 2017, at 4:42 AM, David Anderson  wrote:
> 
> This comes up quite often, and here is a reply from Wayne about it. You can 
> check your PX3 as follows.
> 
>> Are you using a PX3 or P3? Assuming it's a PX3, try this:
>> 
>> - make sure RX I/Q is set to ON (KX3 menu)
>> - make sure the PX3->KX3 cables are fully seated
>> - connect an antenna to the KX3
>> - switch to 20 meters
>> - turn the preamp ON and set the PREAMP menu entry on the KX3 to 20 dB
>> - set the PX3's SPAN to 50 kHz or lower
>> - adjust the REF level so the "grass" (noise floor) is close to the bottom 
>> of the spectral plot
>> 
>> With the above setup, there will typically be no visible fixed spectral 
>> lines on the PX3.
>> 
>> As described in the PX3 FAQ on our web site, very wide SPAN settings and low 
>> front-end gain (e.g., turning off the preamp) will reduce the 
>> signal-to-noise ratio of an RX I/Q-based pandapter, including making 
>> wideband spurs more apparent. The same limitations apply when using the KX3 
>> (or other quadrature downconversion radio) with a PC sound card. Typically 
>> this doesn't impact usability, e.g. locating signals of interest. In fact 
>> most sound cards are limited to displaying about 48 kHz of spectrum, while 
>> the PX3 can go wider thanks to its high-performance/high-speed A-to-D 
>> converter.
> 
> 73 from David GM4JJJ
> 
> On 16 Jul 2017, at 23:47, Dave Sublette  > wrote:
> 
>> Tnx Roger and Matt.  Roger — I don’t have the KX3/PX3 interfaced with the 
>> audio on the computer.  I do have the usb port connected.
>> 
>> Matt — I believe it is the 2.5 mm jacks that carry the Rx I/Q between the 
>> KX3 and PX3.  I unplugged the antenna and the spikes are still there.  I 
>> unplugged the Rx I/Q plug from the PX3 and the irregularly space spikes went 
>> away and the regularly spaced spikes were still there at the same levels as 
>> when the cable was plugged in.
>> 
>> I’m still thinking there is a failure in the PX3.
>> 
>> Dave
>>> On Jul 16, 2017, at 6:06 PM, Dave Sublette >> > wrote:
>>> 
>>> I have had my PX3 for a little over a year (I think).  It has been used 
>>> sparingly.  Until this afternoon, it has worked perfectly.  Now I see a 
>>> spike in the center of the display and periodic spikes across the entire 
>>> screen. Almost all are symmetrical in frequency and amplitude about the 
>>> center line. There are some that are not symmetrical.  I have plugged and 
>>> unplugged all the cables, taking care to see that each is fully into the 
>>> socket.
>>> 
>>> So, perhaps I have a failure that requires returning to Elecraft?  Have any 
>>> of you had the same experience?
>>> 
>>> 73,
>>> 
>>> Dave, K4TO
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>>> 
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>>> 
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>> 
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Re: [Elecraft] PX3 Problem?

[David Anderson via Elecraft]

This comes up quite often, and here is a reply from Wayne about it. You can 
check your PX3 as follows.

> Are you using a PX3 or P3? Assuming it's a PX3, try this:
> 
> - make sure RX I/Q is set to ON (KX3 menu)
> - make sure the PX3->KX3 cables are fully seated
> - connect an antenna to the KX3
> - switch to 20 meters
> - turn the preamp ON and set the PREAMP menu entry on the KX3 to 20 dB
> - set the PX3's SPAN to 50 kHz or lower
> - adjust the REF level so the "grass" (noise floor) is close to the bottom of 
> the spectralplot
> 
> With the above setup, there will typically be no visible fixed spectral lines 
> on the PX3.
> 
> As described in the PX3 FAQ on our web site, very wide SPAN settings and low 
> front-end gain (e.g., turning off the preamp) will reduce the signal-to-noise 
> ratio of an RX I/Q-based pandapter, including making wideband spurs more 
> apparent. The same limitations apply when using the KX3 (or other quadrature 
> downconversion radio) with a PC sound card. Typically this doesn't impact 
> usability, e.g. locating signals of interest. In fact most sound cards are 
> limited to displaying about 48 kHz of spectrum, while the PX3 can go wider 
> thanks to its high-performance/high-speed A-to-D converter.

73 from David GM4JJJ

> On 16 Jul 2017, at 23:47, Dave Sublette  wrote:
> 
> Tnx Roger and Matt.  Roger — I don’t have the KX3/PX3 interfaced with the 
> audio on the computer.  I do have the usb port connected.
> 
> Matt — I believe it is the 2.5 mm jacks that carry the Rx I/Q between the KX3 
> and PX3.  I unplugged the antenna and the spikes are still there.  I 
> unplugged the Rx I/Q plug from the PX3 and the irregularly space spikes went 
> away and the regularly spaced spikes were still there at the same levels as 
> when the cable was plugged in.
> 
> I’m still thinking there is a failure in the PX3.
> 
> Dave
>> On Jul 16, 2017, at 6:06 PM, Dave Sublette  wrote:
>> 
>> I have had my PX3 for a little over a year (I think).  It has been used 
>> sparingly.  Until this afternoon, it has worked perfectly.  Now I see a 
>> spike in the center of the display and periodic spikes across the entire 
>> screen. Almost all are symmetrical in frequency and amplitude about the 
>> center line. There are some that are not symmetrical.  I have plugged and 
>> unplugged all the cables, taking care to see that each is fully into the 
>> socket.
>> 
>> So, perhaps I have a failure that requires returning to Elecraft?  Have any 
>> of you had the same experience?
>> 
>> 73,
>> 
>> Dave, K4TO
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Re: [Elecraft] PX3 Problem?

[David Anderson via Elecraft]

One other thing, have you perhaps got the PX3 Noise Blanker switched on and the 
PX3 NB level turned up high? That causes spikes at the centre.  (I am not 
referring to the KX3 noise blanker) 

73 from David GM4JJJ

> On 16 Jul 2017, at 23:06, Dave Sublette  wrote:
> 
> I have had my PX3 for a little over a year (I think).  It has been used 
> sparingly.  Until this afternoon, it has worked perfectly.  Now I see a spike 
> in the center of the display and periodic spikes across the entire screen. 
> Almost all are symmetrical in frequency and amplitude about the center line. 
> There are some that are not symmetrical.  I have plugged and unplugged all 
> the cables, taking care to see that each is fully into the socket.
> 
> So, perhaps I have a failure that requires returning to Elecraft?  Have any 
> of you had the same experience?
> 
> 73,
> 
> Dave, K4TO
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Re: [Elecraft] QRPworks SideKar

[Mark Petiford via Elecraft]

Ted,


Re:  "I would appreciate hearing from anyone who is willing to share their 
experience with it."

I can't speak to the SideKar, but I can speak to the support the company 
provides.  I purchased a Ham Central Terminal (HCT, forerunner of the SideKar) 
from a list member for use with my KX3.  Sometime later I learned that there 
was new firmware for the HCT, so I sent an e-mail to QRP Works, explaining I 
was interested in the upgrade but that I had not purchased the unit from them.  
They replied with the new firmware and the utility to install it.  When I had a 
problem with the installation, they provided additional suggestions, and the 
firmware load was successful.  I believe this was over and above what they were 
required to do. 


 I use the HCT for keyboard support for the KX3's native digital modes, and to 
provide backup decoding of CW.  I prefer to copy CW in my head but refer to the 
HCT occasionally for something I may have missed.  Logging appears to be 
useful, but I haven't taken the time to learn it yet.


Mark,
KE6BB



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