Re: [Elecraft] K3 Codecs and Remote Desktop

[Ron D'Eau Claire]

Jack, did you check for proper operation of the speaker and phones logic as
described in the update instructions:

.   Hold CONFIG to enter the configuration menu and turn B (VFO B) to
locate SPKR+PH on the LCD. 

.   Turn the   A (VFO A) knob so no is displayed on the LCD.

.   Check to see if audio is present in the speaker with phones
unplugged.  If not tap the 1 switch on the keypad until you see PH.R SW - on
the LCD (be sure the - sign is displayed at the end). This is the default
setting required with the KIO3B installed that restores normal operation;
Selecting no will silence the speaker when phones are plugged in and if yES
is selected both phones and speaker will be active at the same time.

73, Ron AC7AC

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of wa9fvp
Sent: Saturday, April 9, 2016 9:25 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K3 Codecs and Remote Desktop

After installing the KIO3B, I had no problem passing audio to and from my W7
PC.  The speaker and microphone codec appear in the Sound Control panel. 
When I try to use Remote desktop, the codecs a are gone and there's no sound
on my Dell laptop.  When I check the Sound Control the only sound device
that appears in the Playback tab is a Speaker and the Recording tab is
blank.When I check "Play on remote computer"  and launch RDT, The Sound
Control shows the K3 codecs and I can hear sound on the host computer.  

Before I launched RDT, at the Local Resources tab/Settings I checked "Play
on this computer".  Here's my conundrum.  For a pan-adapter, I use an SDR-14
software defined receiver from RF-Space.  The Spectra-Vue software is
compatible with the K3.  I feeds off the K3's IF and it functions like the
P3 except the spectrum display is on the PC monitor.   Within the span it
can also serve as a 2nd or 3rd receiver and the audio from each demodulator
is fed separately to each speaker.   When I use Remote Desktop the audio is
passed to my Laptop and when I click on the Taskbar-Speaker icon, the
Spectra-Vue volume control is shown.   

My question is "What is the difference between the Spectra-Vue codec and the
K3 codac?   Why is the audio available on the SDR-14 but not on the K3. 



-
Jack WA9FVP

Sent from my TRS-80 :-)
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[Elecraft] NAQCC April Sprint this Tuesday Evening

[Larry W2LJ]

The April sprint is this coming Tuesday evening local time (April 12th,
EDT - 8:30-10:30PM, CDT - 7:30-9:30PM, MDT - 6:30-8:30PM, PDT - 5:30-7:30PM),
which translates as Wednesday, April 13th, 0030 to 0230Z in all cases.

For all the "official" information, please go to:

http://www.naqcc.info/sprint201604.html

There you will find all the details as to time, frequencies and other important
information.

Certificates: SWA (simple wire antennas) certificates by call area, VE and DX
for 1st, 2nd and 3rd place finishers (New!). A Certificate for top score in the
GAIN antenna category.

Prizes: Too many to list!! - check out the prizes page on our website.

This is a monthly event that caters to the CW veteran, the CW newcomer, straight
key and bug fans. All are welcome to participate (this includes QRO); but you
must use QRP power levels to compete for awards.

If you've been hesitant to join in our sprints because you hear other sprints
running at breakneck speeds, have no fear. Our sprints are geared to the
newcomer to CW and/or contesting. Virtually everyone including the many veteran
contesters who regularly enter our sprints will slow down to YOUR speed to help
you make your contacts.

If you are not already a member of NAQCC... membership is FREE! Now is your
chance to join the largest QRP CW Club in the world!! We currently have 7100+
members in: All 50 States - 9 VE Provinces - 100 Countries. Sign up on the
NAQCC website today (http://naqcc.info/) and receive a handsome certificate,
with your membership number on it, which is good for life.

Come join us and have a real good time!


72/73 de Larry W2LJ
NAQCC #35

for NAQCC
http://naqcc.info/
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Re: [Elecraft] Fldigi & K3S USB, Windows 10 setup

[Don Wilhelm]

Howard,

Let me try to help simplify things for you.  I cannot tell you exactly 
how to run your computer, but I can tell you about the K3S part of it.  
Take it one step at a time.


First, yes, the built-in CODEC in the K3S can be used as the soundcard 
for digital applications such as Fldigi.
The first requirement is that the computer install the driver for that 
soundcard which allows it to show up as the available soundcards in Fldigi.
If you do not see that soundcard listed on your computer, that is a 
problem that must be addressed first - likely a bad driver installation.


Once you have the soundcard installed properly on the computer, then you 
should be able to receive and send data modes from Fldigi.
Use DATA A - and you will probably want to widen the DSP filter width 
because it defaults to a narrow width to allow tuning to a single signal 
with VFO A.  For use with a waterfall display such as Fldigi provides, 
you will want a filter width similar to the SSB filter width (2.7 or 2.8 
kHz).


Adjustment of the LINE OUT level on the K3S (a CONFIG Menu setting) 
should allow Fldigi to decode whichever data mode you select in Fldigi.
Adjust the level (and possibly the soundcard slider) to give you the 
proper background color and signal color in the Fldigi waterfall.
Be aware that the default sideband for DATA A is USB.  If you are using 
an Fldigi data mode that requires LSB, you can use ALT to switch 
sidebands on the K3S.


Once you have Fldigi receiving and decoding properly, you can move on to 
transmit.
With the K3S, you can make adjustments in TX TEST mode - everything 
works the same as in transmit mode, but no RF is transmitted.
You can set VOX on but if you choose not to do that, you will have to 
use some sort of PTT.  The K3 has a KEY-PTT config menu item that you 
can set to either RTS or DTR for PTT - make certain that Fldigi and 
whatever you are using for rig PTT is set to use the same signal as you 
have set for PTT in the K3S.


Make certain you do not have anything plugged into the LINE IN jack on 
the back of the K3S - that takes precedence over the K3S internal 
soundcard "line in".


Adjust the soundcard slider for 75% to 100% and then set the K3S LINE IN 
level to produce 4 bars on the ALC meter with the 5th bar flickering.  
That is the correct audio level.


Take the K3S out of TX TEST and you should be able to transmit. Adjust 
the power level with the K3S power knob - do not attempt to control the 
power with the audio level - that may appear to work, but will work badly.


73,
Don W3FPR

On 4/11/2016 12:19 PM, Silverwater wrote:

Need setup information of Fldigi in order to receive and transmit with
Hellschreiber (Feld Hell). I am asking about CW too, just to have that
option.
Anyhow, I'm currently a CW (80%) and SSB operator, I enjoy antenna
design/construction… but I need help with understanding the computer
interface with rigs. (I have had success with digital setups with other rigs
(not Elecraft). I just followed instruction posted by others… but a deep
understanding I didn't have.
I have the K3s since last November 2015 and have successfully connected/used
the K3 Utility program and now want to use Fldigi with the K3s.
My first question: Is the USB connection, the only cable needed to interface
my computer to the K3s using Fldigi?
Other related questions:
Does the USB connection supply the audio received from the K3s to the
computer AND supply the audio out from the computer to the K3s?
If I'm using the K3s USB cable, does the Fldigi use ONLY the K3s's built in
sound card or a combination with the computer's soundcard?
Should I use Hamlib from the Fdigi configuration, and which check boxes
settings: Audio, DTR, CTS, XON, XOFF, recommended baud rates, stop bits…?
For Hellschreiber and CW modes should I be on DATA A digital mode while
using Fldigi?
If "USB cable ONLY" option is valid, what settings on the K3s need to be
changed for Fldigi?

Additional Notes: My computer OS: Windows 10. I have chosen for both the
recording/playback : USB Audio CODEC… also the proper COM was chosen.
I have read many previous posts… and tried to understand them in search of
answers to the above questions… but still confused… need more info.  Thank
you for your valuable time!
73, 4x1zz Howard Silverwater



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[Elecraft] FS- K3 + Options

[Randy Cook]

Radio was sold. Thanks.


73
Randy Cook - K6CRC
k6cr...@gmail.com





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Re: [Elecraft] Operating remotely via Direct TV satellite provider

[Phil Kane]

On 4/9/2016 9:03 PM, Cliff Frescura wrote:

> Yes, the signal has to travel ~22,300 miles x 2 (up and down).

In the early days of satellite telephone circuits (late 1960s - early
1970s  before they used echo suppressors) the audible echo was about 3
seconds.  Very disconcerting.

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

>From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
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Re: [Elecraft] P3 Ref Lvl saving

[Bill Frantz]

Hi Paul

Thanks for looking into what is really a minor issue.

Here's what I see with my setup: K3 6299, P3 2380 with SVGA 
(which I think I ordered at the same time as the P3). P3 is 
powered from K3.


The K3 is running:

  MCU 5.38, DSPs 2.86, FP 1.25, DVR 1.03

The P3 is 1.60 SVGA 1.34 and SpanScale is OFF. (I noticed this 
issue with earlier versions of the P3 firmware.)


The span on 80M is 100KHz and on 160M is 200KHz.

I power on and set 160M Ref Lvl 96, switch to 80M and note that 
the Ref Lvl is 111.

Power off and on with the K3 power button.
Radio is on 80M and Ref Lvl is 111.
Switch to 160M and Ref Lvl is 96.

If I change SpanScale to REF LVL only and repeat the test:

I power on and set 160M Ref Lvl 96, switch to 80M and note that 
the Ref Lvl is 111.

Power off and on with the K3 power button.
Radio is on 80M and Ref Lvl is 111.
Switch to 160M and Ref Lvl is ***111***.

For completeness, I tried with SpanScale REF LVL & SCALE and the 
160M Ref Lvl was also 111. SpanScale is certainly part of the issue.


73 Bill AE6JV

On 4/11/16 at 11:20 AM, psaff...@elecraft.com (Paul Saffren) wrote:


BIll,

I just cannot duplicate that here on the bench.  I am using 
version 1.60 in my P3.  Here are the steps that I do:


1) put the K3 on 160 meters, and then set the ref level to say 126.
2) put the K3 on 80 meters and then change the ref level to 145.
3) power cycle the unit.
4) go back to 160, and check the ref level.  It is in fact 126.

Question, what is the span on 160?

-Paul

On 04/11/2016 11:12 AM, b...@k1gq.com wrote:

Paul,

With SpanScale ON, if I power cycle with the radio on 160, the REF LVL is 
restored correctly. If I
power cycle with the radio on another band, then the 160 REF 
LVL is not restored correctly. I’ve never seen this happen 
for any band other than 160.


I need SpanScale more than I need remembered 160m REF LVL, so I’m content with 
this small issue.

Thanks for the note about the serial command.

Bill, K1GQ


On Apr 11, 2016, at 1:58 PM, Paul Saffren  wrote:

Hi Bill,

Regarding the serial command not saving the span: there is a known bug in the 
P3 with saving the

span when a serial command is used. This will be available in the next release.


Regarding 160 meters not saving the ref level correctly: it still sounds like 
the ref level issue

is with SpanScale.   If you turn off spanscale, does it fix the problem?


-Paul


On 04/11/2016 10:47 AM, b...@k1gq.com wrote:

Paul,

Interesting. I too see the failure to remember REF LEVEL only on 160. And I 
need SpanScale turned

on.


Perhaps this is related: when I set SPAN using the #SPAN command, change bands 
on K3 then change

back, the SPAN I just set is not remembered. This does work as expected when I 
use the P3 buttons.


Or maybe this only happens to P3 owners named Bill :-)

  Bill, K1GQ


On Apr 11, 2016, at 1:38 PM, Paul Saffren N6HZ  wrote:

Hi Bill,

Make sure you have SpanScale turned off, and then try it.  I just tried it
here on my bench units.  I put the K3 on 160 and set the RevLvl to 139 (it's
noisy here).  Then power cycled the radio and P3.  The P3 came up with 139
on 160 meters.

-Paul


--
Paul Saffren, N6HZ
www.elecraft.com
831-763-4211 x122




---
Bill Frantz|"Web security is like medicine - trying to 
do good for

408-356-8506   |an evolved body of kludges" - Mark Miller
www.pwpconsult.com |

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Re: [Elecraft] K3 UOS? [Answer]

[Bill Frantz]

I notice that fldigi seems to have unshift on space on by default.

73 Bill AE6JV

On 4/11/16 at 8:35 AM, n...@elecraft.com (Wayne Burdick) wrote:


Jim Miller  wrote:


Does the RTTY decoder in the K3 implement UOS?



Hi Jim,

Would have answered this sooner but I was on vacation last week.
No, we do not do UOS (unshift-on-space). However, there's a 
menu entry in the K3/K3S, CONFIG:TTY LTR, that you can assign 
to a programmable function switch (PFx/Mx). Having done this, 
you can press that switch to do a figures-to-letters shift at 
any time.

---
Bill Frantz|"We used to quip that "password" is the most common
408-356-8506   | password. Now it's 'password1.' Who said 
users haven't

www.pwpconsult.com | learned anything about security?" -- Bruce Schneier

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Re: [Elecraft] Minimum bandwidth?

[Fred Jensen]

To speak to the original question directly ...

I run remote to W7RN [right now, all I have, just getting local stealth 
antenna up] using RemoteRig RRC-1258 Mk2.  We have DirecTV and ATT 
Uverse at 45 Mbps.  I have watched the Win10 Task Manager WiFi display 
when I'm on CW and my wife is not watching Netflix or Amazon and it 
hangs around 150 Kbps with some occasional peaks to perhaps 200 Kbps.


I've only done one NAQP SSB remotely, and it was about the same.  I 
suspect it is using as much BW as it wants to and since we have way more 
than it needs, it uses it.  I'd bet it would work OK on 128 Kbps ISDN 
... do they still have ISDN?


My RT ping times to W7RN range from about 25 to 60 ms, 70 ms is the 
highest I've ever seen and that was just once, average is about 35-40 
ms.  BW does not seem to be the big issue ... jitter, and 
dropped/delayed packets is more important.


Initially, the latency bothered me, however after a couple of contest 
efforts, I no longer notice it.  The W7RN radio is a K3+KPA500+KAT500. 
I connect to the local PC and remotely control it using TeamViewer and I 
see and control just as if I was on-site.  The Green Heron rotator 
controls are on one screen, I just drag the display for the stack I want 
to use to the heading I want.  The latency is apparent there, I've just 
learned to drag it slowly.  The KPA500 monitor also appears, as does a 
webcam shot of the K3 and antenna usage indicator.  My K3 front panel 
repeats what's on the remote radio.


Jitter and dropped packets are annoying, the severity varies some.  At 
30 WPM, it appears that one dit more or less fits into a packet, and if 
delayed, it is delivered out of sequence to the codec.  That too has 
faded somewhat into the distance for me as I gain experience using the 
remote.  And, the very high CoAA [Coefficient of Aerial Aluminum] at 
W7RN makes up for a lot of other small annoyances -- if I call, they 
generally answer me first. :-))


The RemoteRig manuals and UI are a bit obscure and as my friend N6XI 
mentions, "too many moving parts," but once set up and optimized for the 
I'net connection, you never really need to touch it again.


73,

Fred K6DGW
- Northern California Contest Club
- CU in the Cal QSO Party 1-2 Oct 2016
- www.cqp.org

On 4/11/2016 11:04 AM, Lynn W. Taylor, WB6UUT wrote:

My connection here has exceptionally high jitter, which is worse, but
also fairly unusual.

A half-second of latency means you're hearing what happened a
half-second ago, and when you key the transmitter, it's going to happen
a half-second from now.

Going back to the original question, it is nearly impossible today to
buy too little bandwidth.  We're also talking about audio, not video.

The question "is 1 megabit/sec. enough" is like asking if you can pull a
kids wagon around with a very large truck.  Yes, you can, but you can
also pull it with one hand.


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[Elecraft] For Sale at Visalia.

[Dan Baker]

Hello, I am going to Visalia Thursday through Sunday. I have some items for
sale and can deliver them to anyone interested. They are;

(No scuffs or scratches on these, They are very clean. It has been my
backup radio with very little use.)

KX Kooler $95
XG50 $30
KX3 Paddle $95
Pro Audio Eng Power Supply $45
KX3 Fully Loaded with 2 Meters/Mic and Cable Kit. $1490

SGC-500 $750 I can demo that, it is installed in my pickup.


Please contact me with any questions.

Thanks,Dan KM6CQ
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Re: [Elecraft] P3 Ref Lvl saving

[n9tf]

WOW! I wish my noise floor was only that noisy on 160!! I'm happy when it goes 
down to -110DBm. I average about -100DBm!! 
Gene, N9TF 

  
Hi Bill, 

Make sure you have SpanScale turned off, and then try it.  I just tried it 
here on my bench units.  I put the K3 on 160 and set the RevLvl to 139 (it's 
noisy here).  Then power cycled the radio and P3.  The P3 came up with 139 
on 160 meters. 

-Paul 



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Re: [Elecraft] Minimum bandwidth?

[Lynn W. Taylor, WB6UUT]

My connection here has exceptionally high jitter, which is worse, but 
also fairly unusual.


A half-second of latency means you're hearing what happened a 
half-second ago, and when you key the transmitter, it's going to happen 
a half-second from now.


Going back to the original question, it is nearly impossible today to 
buy too little bandwidth.  We're also talking about audio, not video.


The question "is 1 megabit/sec. enough" is like asking if you can pull a 
kids wagon around with a very large truck.  Yes, you can, but you can 
also pull it with one hand.


73 -- Lynn

On 4/11/2016 4:47 AM, Poul Erik Karlshøj (PKA) wrote:

The key question is always latency.


Maybe the problems Lynn refers to is more due to very high jitter.



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Re: [Elecraft] P3 Ref Lvl saving

[Paul Saffren N6HZ]

Hi Bill, 

Make sure you have SpanScale turned off, and then try it.  I just tried it
here on my bench units.  I put the K3 on 160 and set the RevLvl to 139 (it's
noisy here).  Then power cycled the radio and P3.  The P3 came up with 139
on 160 meters. 

-Paul



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Re: [Elecraft] OT: HF weather fax

[Fred Jensen]

Ummm ... NAVTEX is transmitted on a rotating schedule covering several 
dozen "regions" world-wide from a variety of stations, all on 518 KHz. 
Each station has a time slot -- 5 mins or so -- and the traffic varies 
and is highly repetitive.  There is some WX, but it's mainly Notice to 
Mariners about various conditions and situations such as hazards, 
objects falling from the sky without warning [aka military exercises], 
lights and buoy's out of service, and the like.


With the new synthesizer, I can copy NAVTEX [or at least could, haven't 
tried since we moved to N. NV] very well on my K3.  If I recall right, 
connect the antenna to the auxiliary  RX ANT jack.  There are a number 
of decoders, I use YAND [Yet Another NAVTEX Decoder] which is free and 
findable using the usual methods.


The transmission is SITOR-B, using the CCIR-476 character code and I 
think is unreadable using a normal 5-unit RTTY decoder, although I've 
never tried it.  I think AMTOR FEC mode will decode it, although I've 
never tried that either.


Any vessel sailing in the open ocean should have NAVTEX receive, but for 
general weather, it is probably not adequate.  The WEFAX transmissions 
include visible and IR satellite photography, what appear to be 
hand-drawn forecast summaries [those of the Bering Sea will have the 
edge of the ice pack marked], wave height charts, schedules, and 
synopses.  They are way bigger than what our printers will handle, you 
need to wait until it gets to the area you're interested in before 
starting to save the image to a file for printing.


On 4/11/2016 5:07 AM, a45wg wrote:

Clint, Your brother will find it easier to revise the 518 Khz NavText
messages - which are transmitted every 6 hours (if memory serves me
correct). They are a simply RTTY format. I tried for long time to get
HF WeFAX to work - but the number of stations transmitting it are
extremely few and far between. They are more local +/- 1500 kms (more
than enough for coastal use). There are some small black boxes
available which do this - for < $200 - which may be worth looking
at.

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Re: [Elecraft] RFI resistant Monitor

[Jim Brown]

You'll find exactly these suggestions in the tutorial at the link I posted.

73, Jim K9YC

On Mon,4/11/2016 6:29 AM, Myron Schaffer wrote:


One thing I have noticed over the years is that the near-field noise 
is present with most any modern electronics. The switching frequency 
is between 200-300kHz and can be easily sniffed with a pocket AM radio 
(harmonics of that fundamental switching frequency are easily spotted 
with an AM radio). When I bring my CCrane Pocket Radio in the near 
field at the operating position, I can’t tune in the semi-local 600 
KCOL out of Greely, CO. If I back up a few feet the noise level drops 
considerably and the station is audible again. The CC Pocket Radio has 
a fairly good front end with somewhat good selectivity but is still 
overloaded with IBOC noise.


I have battery chargers, an old Dell 1501 laptop, an external HD with 
switcher, the list goes on. Common mode noise and strong near-field 
noise is the bane of my ham radio existence in this RFI rich environment.




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Re: [Elecraft] RFI resistant Monitor

[Jim Brown]

In the tutorial at the link posted, I wrote:

Evaluating Equipment For Noise: When someone tells you that XYZ 
equipment produces no noise on the ham bands because he can’t hear any 
noise in his radio, should you believe that the equipment is clean? NO! 
The equipment may be noisy but is not heard because it is being covered 
by other noise from the neighborhood. Figs 7 and 8 compare the daytime 
80M spectra at K6GFJ in a San Jose residential neighborhood and K9YC 30 
miles to the south in the Santa Cruz Mountains. The difference in the 
noise floor is 10 dB. And it’s certainly not dead quiet in the 
mountains, either – everything on the displays from both QTHs is noise 
from either switching power supplies or other electronic sources.
Proximity to Antennas Is What Matters:  Noise radiates from sources on 
wires that are connected to noise sources, and enters our receivers via 
our antennas. My SteppIR that’s up 120 ft and is 200 ft from the shack 
doesn’t hear much noise from the shack, but the 160M Tee vertical only 
25 ft from the operating position does. When someone tells you that a 
particular model of internet router or video monitor sits next to his 
power amp and there’s no RFI, ask him how far it is from his antennas, 
not from his radio.


73, Jim K9YC

On Mon,4/11/2016 7:43 AM, Jim Sheldon wrote:
The switcher supplies for these 2 monitors appear to be virtually 
noise free.  At least I have not had any noise problems that I can 
attribute to them and they have been on the desk for several years now.


My major noise source has always been the 7500 volt power lines that 
run across the South and West sides of my small city lot. Fortunately 
the utility company ran afoul of the FCC several years ago and they 
are very responsive to noise/interference calls.



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[Elecraft] Fldigi & K3S USB, Windows 10 setup

[Silverwater]

Need setup information of Fldigi in order to receive and transmit with
Hellschreiber (Feld Hell). I am asking about CW too, just to have that
option. 
Anyhow, I'm currently a CW (80%) and SSB operator, I enjoy antenna
design/construction… but I need help with understanding the computer
interface with rigs. (I have had success with digital setups with other rigs
(not Elecraft). I just followed instruction posted by others… but a deep
understanding I didn't have. 
I have the K3s since last November 2015 and have successfully connected/used
the K3 Utility program and now want to use Fldigi with the K3s. 
My first question: Is the USB connection, the only cable needed to interface
my computer to the K3s using Fldigi? 
Other related questions:
Does the USB connection supply the audio received from the K3s to the
computer AND supply the audio out from the computer to the K3s?
If I'm using the K3s USB cable, does the Fldigi use ONLY the K3s's built in
sound card or a combination with the computer's soundcard? 
Should I use Hamlib from the Fdigi configuration, and which check boxes
settings: Audio, DTR, CTS, XON, XOFF, recommended baud rates, stop bits…?
For Hellschreiber and CW modes should I be on DATA A digital mode while
using Fldigi?
If "USB cable ONLY" option is valid, what settings on the K3s need to be
changed for Fldigi? 

Additional Notes: My computer OS: Windows 10. I have chosen for both the
recording/playback : USB Audio CODEC… also the proper COM was chosen.
I have read many previous posts… and tried to understand them in search of
answers to the above questions… but still confused… need more info.  Thank
you for your valuable time!
73, 4x1zz Howard Silverwater




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[Elecraft] FS- K3 + Options

[Randy Cook]

Moving toward a KX3 for portable

I am the original and only owner of the radio. It has always been indoors in a 
non-smoking environment. 
It is fully functional, clean, and well cared for. Never portable or mobile. A 
few very minor marks. 

The serial is 2051 and the radio was updated to current specs and aligned by 
Elecraft. 
The latest revision of DSP Board was installed a year ago as an upgrade.
A new KIO3A was also installed.
All firmware is at the latest release level. 

Includes:

- Standard 2.7kHz 5 pole filter
- Power cable with PowerPoles on both ends
- Owners Manual (latest revision) reproduced on high quality laser printer
- All update and factory mod documentation as supplied by Elecraft
- Third party handheld mic, used only a few times (I use headset normally)
- Serial-to-USB adapter (utilizes standard FTDI chipset)

Options installed with the radio:

KAT3 Internal Tuner
KPA3 100 Watt internal PA
KXV3 RX Ant. I/O, Transverter, IF Output
KFL3B FM 8 pole roofing filter
KBFP3 General Coverage RX Module

Only issue is a hairline crack in VFO B Knob. I have ordered replacement.

$1900.00 via PayPal, shipped UPS Ground Insured to CONUS (only) to PayPal 
registered address.
I am a long time list member, and have 100% feedback on eBay (cander111). 
I will ship next day after payment is received.

73
Randy Cook - K6CRC
k6cr...@gmail.com





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Re: [Elecraft] RFI resistant Monitor

[David Ahrendts]

May I encourage everyone to study the excellent work from Jim Brown, K9YC — he 
weighed in here and you’ll see his link below. I’m also taking his suggestion 
after careful study to replace the parallel zip line red-black cable with 
shielded twisted pair cable (18 AWG ) with the Anderson Power Poles connectors. 
The theory being that anything twisted will resist RFI while parallel cable 
invites it and generates it. A fist full of ferrites helps also. Getting 
surgical, but it really helps. 

David A., KK6DA  


> On Apr 11, 2016, at 6:29 AM, Myron Schaffer  wrote:
> 
> One thing I have noticed over the years is that the near-field noise is 
> present with most any modern electronics. The switching frequency is between 
> 200-300kHz and can be easily sniffed with a pocket AM radio (harmonics of 
> that fundamental switching frequency are easily spotted with an AM radio). 
> When I bring my CCrane Pocket Radio in the near field at the operating 
> position, I can’t tune in the semi-local 600 KCOL out of Greely, CO. If I 
> back up a few feet the noise level drops considerably and the station is 
> audible again. The CC Pocket Radio has a fairly good front end with somewhat 
> good selectivity but is still overloaded with IBOC noise.
> 
> I have battery chargers, an old Dell 1501 laptop, an external HD with 
> switcher, the list goes on. Common mode noise and strong near-field noise is 
> the bane of my ham radio existence in this RFI rich environment. 
> 
> Myron WV0H
> Printed on Recycled Data
> 
> From: Jim Brown
> Sent: Monday, April 11, 2016 12:14 AM
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] RFI resistant Monitor
> 
> On Sun,4/10/2016 10:44 PM, KC6CNN wrote:
>> I just found that when the monitor is on it adds 2 bars of noise to my
>> meter. It is also turning off when I operate on certain bands.
> 
> I had exactly that experience with a Samsung that W4UAT gave me because 
> it did that in his shack too. It also makes RF noise. The good news is 
> that not all Samsung monitors are RFI dogs. I have two recent model 
> Samsungs in my house and four in the shack. They are designed to run on 
> power supplies labeled 14VDC, and the supply they sell you is a 
> switching power supply that makes RF noise. I throw those power supplies 
> away, cut the attached power cable and attach red/black PowePoles, and 
> run them from either the 12V battery system in my shack  or a small 12V 
> lead-acid cell that I float-charge from a linear 12V wall wart.
> 
> I also use ferrite common mode chokes on both the video cable that runs 
> to the computer and the power supply cable "just in case" some RF trash 
> is conducted to those cables, which the cables could radiate.
> 
> All that, and a lot more, is discussed in this "in progress" article for 
> the National Contest Journal.  k9yc.com/KillingReceiveNoise.pdf
> 
> 73, Jim K9YC
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David Ahrendts   davidahren...@me.com   




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Re: [Elecraft] K3 UOS? [Answer]

[Wayne Burdick]

Jim Miller  wrote:

> Does the RTTY decoder in the K3 implement UOS?


Hi Jim,

Would have answered this sooner but I was on vacation last week. 

No, we do not do UOS (unshift-on-space). However, there's a menu entry in the 
K3/K3S, CONFIG:TTY LTR, that you can assign to a programmable function switch 
(PFx/Mx). Having done this, you can press that switch to do a 
figures-to-letters shift at any time.

73,
Wayne
N6KR




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Re: [Elecraft] RFI resistant Monitor

[Jim Sheldon]

I have 3 Acer monitors (one 19" square and two 23" wider screen).  The 
19" runs directly on 120VAC and the twp 23" ones have small switching 
mode power supplies that look like laptop supplies and put out 13.8/14 
volts.  The switcher supplies for these 2 monitors appear to be 
virtually noise free.  At least I have not had any noise problems that I 
can attribute to them and they have been on the desk for several years 
now.


My major noise source has always been the 7500 volt power lines that run 
across the South and West sides of my small city lot.  Fortunately the 
utility company ran afoul of the FCC several years ago and they are very 
responsive to noise/interference calls.


Jim - W0EB

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Re: [Elecraft] RFI resistant Monitor

[Gary Smith]

Gerald,

I'm using a pair of AOC monitors. The 27" 
is the computer display; model E2752She 
Current cost $159, I bought it from 
http://www.bhphotovideo.com/ 
It was $139 when I bought it. Its easily 
worth the $159. It plugs into the wall 
socket, has been running 3 hours now and 
is cool to the touch.

The P3 monitor is AOC 23" 12367F I paid 
something like $115 for it at Best Buy. 
It's easily worth much more. Runs on a 12V 
supply that looks like a laptop PS. It is 
cool to the touch and also been on for 3 
hours.

Zero issues with the noise level from 
either one. Absolutely beautiful quality 
for the video, makes the P3 SVGA come 
alive. Extremely low power consumption.
 
73,

Gary
KA1J
 
> Hello Everyone. 
> I am running a Samsung 21 inch monitor on my Elecraft P3 SVGA. 
> I just found that when the monitor is on it adds 2 bars of noise to my
> meter. 
> It is also turning off when I operate on certain bands. 
> Does anyone know of a good monitor to combat RFI and Noise. 
> I have had some local hams tell me to cut the power cable and run it from my
> Astron and take out the switching power supply that came with the Samsung
> monitor. 
> Any suggestions and thoughts are appreciated. Oh PS I do have a bunch of
> beads on the cable from P3 to monitor and on the power cable. 
> 
> Thanks
> Gerald
> KC6CNN

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Re: [Elecraft] RFI resistant Monitor

[Myron Schaffer]

One thing I have noticed over the years is that the near-field noise is present 
with most any modern electronics. The switching frequency is between 200-300kHz 
and can be easily sniffed with a pocket AM radio (harmonics of that fundamental 
switching frequency are easily spotted with an AM radio). When I bring my 
CCrane Pocket Radio in the near field at the operating position, I can’t tune 
in the semi-local 600 KCOL out of Greely, CO. If I back up a few feet the noise 
level drops considerably and the station is audible again. The CC Pocket Radio 
has a fairly good front end with somewhat good selectivity but is still 
overloaded with IBOC noise.

I have battery chargers, an old Dell 1501 laptop, an external HD with switcher, 
the list goes on. Common mode noise and strong near-field noise is the bane of 
my ham radio existence in this RFI rich environment. 

Myron WV0H
Printed on Recycled Data

From: Jim Brown
Sent: Monday, April 11, 2016 12:14 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] RFI resistant Monitor

On Sun,4/10/2016 10:44 PM, KC6CNN wrote:
> I just found that when the monitor is on it adds 2 bars of noise to my
> meter. It is also turning off when I operate on certain bands.

I had exactly that experience with a Samsung that W4UAT gave me because 
it did that in his shack too. It also makes RF noise. The good news is 
that not all Samsung monitors are RFI dogs. I have two recent model 
Samsungs in my house and four in the shack. They are designed to run on 
power supplies labeled 14VDC, and the supply they sell you is a 
switching power supply that makes RF noise. I throw those power supplies 
away, cut the attached power cable and attach red/black PowePoles, and 
run them from either the 12V battery system in my shack  or a small 12V 
lead-acid cell that I float-charge from a linear 12V wall wart.

I also use ferrite common mode chokes on both the video cable that runs 
to the computer and the power supply cable "just in case" some RF trash 
is conducted to those cables, which the cables could radiate.

All that, and a lot more, is discussed in this "in progress" article for 
the National Contest Journal.  k9yc.com/KillingReceiveNoise.pdf

73, Jim K9YC
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Re: [Elecraft] OT: HF weather fax

[w4grj]

I receive wefax all the time using fldigi software via soundcard.
There is an extensive amount of wefax transmissions around the globe.
http://www.nws.noaa.gov/om/marine/rfax.pdf

North America I use 
New Orleans http://weather.noaa.gov/fax/gulf.shtml
Boston http://weather.noaa.gov/fax/marsh.shtml

Good Luck,
Jack
W4GRJ




-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of a45wg
Sent: Monday, April 11, 2016 8:08 AM
To: Clint
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] OT: HF weather fax

Clint,
   Your brother will find it easier to revise the 518 Khz NavText
messages - which are transmitted every 6 hours (if memory serves me
correct). They are a simply RTTY format. I tried for long time to get HF
WeFAX to work - but the number of stations transmitting it are extremely few
and far between. They are more local +/- 1500 kms (more than enough for
coastal use). There are some small black boxes available which do this - for
< $200 - which may be worth looking at.

Should you want a more high-tech solution then I would recommend a Pactor 3
Modem (alas not cheap), an HF Radio and a small laptop (or Raspberry Pi) -
and connect to a mail server using SailMail - and receive a GRIB file -
which allows you to do much better weather modelling than some nasty Fax
every did. It takes less than 90 seconds to receive the GRIB files (assuming
you are not taking masses of data like wave height etc).

Fair winds & 73s

   Tim - A45WG

> On 11 Apr 2016, at 01:28, Clint  wrote:
> 
> 
> 
> I am looking for a simple Windows 7, 8, 10 program that can decode 
> NOAA HF weather faxes using a laptop soundcard. I am helping my bro 
> set-up his boat and a Marine SSB/Ham radio.
> 
> Most programs I see are older, run Lunix or are to complex, we need 
> something simple. Any ideas?
> 
> 
> 
> Clint
> 
> KI6SSN
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
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Re: [Elecraft] RFI resistant Monitor

[David Ahrendts]

Gerald, I’ve been on the RFI noise hunt for several weeks with my system. Added 
the SVGA with a very nice LG 23-inch LED monitor (M45 23M45D). Perfect size to 
fit above the K3S and P3. I’ve managed to lower my noise floor to typically 
well below S1, and do notice the LG producing a tiny high pitched noise from 
it’s switching power supply. I would use my 12V PowerWerx, but the LG switching 
PS produces something like 27 volts. I’m confident I can reduce the tiny noise 
some more.

David A., KK6DA, Los Angeles   

> On Apr 10, 2016, at 10:44 PM, KC6CNN  wrote:
> 
> Hello Everyone. 
> I am running a Samsung 21 inch monitor on my Elecraft P3 SVGA. 
> I just found that when the monitor is on it adds 2 bars of noise to my
> meter. 
> It is also turning off when I operate on certain bands. 
> Does anyone know of a good monitor to combat RFI and Noise. 
> I have had some local hams tell me to cut the power cable and run it from my
> Astron and take out the switching power supply that came with the Samsung
> monitor. 
> Any suggestions and thoughts are appreciated. Oh PS I do have a bunch of
> beads on the cable from P3 to monitor and on the power cable. 
> 
> Thanks
> Gerald
> KC6CNN
> 
> 
> 
> 
> -
> KC6CNN - Gerald
> K1 # 0014
> K2 # 5486
> K3 # 6294
> KX3 # 757
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/RFI-resistant-Monitor-tp7616198.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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David Ahrendts   davidahren...@me.com   




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Re: [Elecraft] OT: HF weather fax

[a45wg]

Clint,
   Your brother will find it easier to revise the 518 Khz NavText messages 
- which are transmitted every 6 hours (if memory serves me correct). They are a 
simply RTTY format. I tried for long time to get HF WeFAX to work - but the 
number of stations transmitting it are extremely few and far between. They are 
more local +/- 1500 kms (more than enough for coastal use). There are some 
small black boxes available which do this - for < $200 - which may be worth 
looking at.

Should you want a more high-tech solution then I would recommend a Pactor 3 
Modem (alas not cheap), an HF Radio and a small laptop (or Raspberry Pi) - and 
connect to a mail server using SailMail - and receive a GRIB file - which 
allows you to do much better weather modelling than some nasty Fax every did. 
It takes less than 90 seconds to receive the GRIB files (assuming you are not 
taking masses of data like wave height etc).

Fair winds & 73s

   Tim - A45WG

> On 11 Apr 2016, at 01:28, Clint  wrote:
> 
> 
> 
> I am looking for a simple Windows 7, 8, 10 program that can decode NOAA HF
> weather faxes using a laptop soundcard. I am helping my bro set-up his boat
> and a Marine SSB/Ham radio.
> 
> Most programs I see are older, run Lunix or are to complex, we need
> something simple. Any ideas?
> 
> 
> 
> Clint
> 
> KI6SSN
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
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Re: [Elecraft] Minimum bandwidth?

[PKA]

The key question is always latency.

Maybe the problems Lynn refers to is more due to very high jitter.

In my experience fairly high latency *can* be used - if the jitter is low. It 
will not make you feel like being directly on the rig and you may have to adapt 
your operating style.
But high jitter is hard to cope with mainly because the programs may stop and 
you need to re-start. It will drive you mad.

My non-scientific experience is: Programs like IP-Sound, HRD, TeamViewer, 
KPA500 and KAT500 remote software will suffer first. Other programs like 
WKRemote and K3iNetwork annd Skype are more robust (dont recall ever having had 
to restart WKRemote due to jitter).

I wonder what makes the difference. Maybe related to buffer control or some 
programs using TCP/IP and others UDP?

73/OZ4UN
Poul-Erik
Sent from my iPad

On 10 Apr 2016, at 18:52, Lynn W. Taylor, WB6UUT 
> wrote:

Ignore the faster speed, it's the slower speed on non-symmetric service.

The key question is always latency.

You can check out a VoIP calculator if you want to play the numbers, but most 
VoIP (and most cellular service) run around 8 kilobits/second.  No one offers 
IDSL service anymore, but it'd work beautifully at 128k (symmetric) with 
bandwidth to spare.

Where the problem lies is in the way the line is provisioned.

Where I live, there is only one provider that's worthwhile, the local 
telco.simply doesn't have enough bandwidth from the local central office to 
their first router.  The cable company doesn't admit they have service, even 
though there is a drop to the house.

That doesn't stop the Telco from selling 7 megabit service -- over and over and 
over.

So, sometimes I get 7 millisecond pings.  A lot of the time it's single digits, 
but every minute it'll jump over 500 msec.  Right now it's averaging about 250 
msec, and the maximum has been 998 msec.

I've seen more than 4000 msec. (4 seconds).

Imagine trying to snag some amazing DX, and having the audio just stop for four 
seconds.

I could buy a faster wire, but they won't add bandwidth from the C.O. to the 
rest of the internet, so the latency would be the same.  I'd buy slower if they 
offered it.

73 -- Lynn

On 4/10/2016 2:59 AM, John Langdon wrote:
At my remote transmitter site, I have 10 mbps 'down' and 1.2 mbps 'up' and
everything works fine.
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Re: [Elecraft] What's best Soundcard Interface for KX3

[David Anderson via Elecraft]

George, check that Data is set to DATA A. (Change it using the VFO B knob). 
Also widen the filter passband when in DATA mode and it should work. Also make 
sure that you have DATA A set to USB and not LSB ( Hold ALT to change it from 
one to the other). There are advantages in DATA rather than USB for digital 
modes, especially on transmit as mic TX equalisation and compression are 
automatically disabled on DATA. 

73 from David GM4JJJ

> On 11 Apr 2016, at 00:58, George_yv5wz  wrote:
> 
> Hey Robert
> 
> 
> Yes I think I'm ok with my Sony VPCW12AX.probably is cause better sound
> device than laptop  hahahaha..
> 
> I have WSJT-X  v1.6.0 r6263
> 
> What are the settings for VOX?  
> 
> By the way my software decode with KX3 set at USB I couldn't get any
> decode set at DATA
> 
> 
> 73's
> 
> 
> 
> --
> View this message in context: 
> http://elecraft.365791.n2.nabble.com/What-s-best-Soundcard-Interface-for-KX3-tp7616157p7616188.html
> Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] What's best Soundcard Interface for KX3

[Edward R Cole]

I assume you are talking about JT-65HF on HF bands.

I decode JT-65 signals down to -28.  -26 is 100% copy level and get 
more marginal at weaker signals.  I have decoded as low as -31 but 
that is rare.  Of course I am talking about JT-65b on 2m-eme where 
sky noise is much lower.


For WSJT10 (which is a suite of sw that includes JT-65) I run 
monaural audio from line-out from my K3.  I run JT65c on 1296 with 
this sw which only requires simple audio input thru a 
soundcard.  Bandwidth on the sw is limited to 2.5 KHz display.


I run MAP-65 on 2m-eme which requires IQ input which comes from a 
LP-Pan connected to the K3 1st IF.  I get up to 90-KHz panadaptor 
display.  The LP-Pan provides IQ into a M-Audio Delta44 soundcard 
which can provide 90-KHz bandwidth.


SDR sw require stereo soundcards with IQ baseband input.

73, Ed - KL7UW

Date: Sun, 10 Apr 2016 16:51:39 -0700
From: Robert Nobis 
To: George_yv5wz 
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] What's best Soundcard Interface for KX3
Message-ID: <1bbdc298-1100-4051-b11f-474f4ceeb...@nobis.net>
Content-Type: text/plain; charset=us-ascii

George,

That is great. -24 dB is good for a built in sound card. By the way 
what version of JT65 are you using?


Note that your transmit signal level is usually critical for JT65 and 
JT9. Also, I always use VOX to key the transmitter.


73,


Bob Nobis - N7RJN
n7...@nobis.net



73, Ed - KL7UW
http://www.kl7uw.com
"Kits made by KL7UW"
Dubus Mag business:
dubus...@gmail.com

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Re: [Elecraft] What's best Soundcard Interface for KX3

[Jim Brown]

On Sun,4/10/2016 11:51 PM, Rick WA6NHC wrote:
To be clear, the SLUSB VOX is the weak point if it is used for PTT. It 
is not reliable... this has little to do with the radio of any brand.


Thanks for the clarification, Rick.  There are many weak things about 
the SignalLink USB -- that's only one of them. I don't recommend it.


Yes, that 160M Q to VK0EK was a thrill, as was the one to the team at 
Amsterdam Island last year that many of us around the world achieved 
thanks to the great work by both of these teams.


73, Jim K9YC
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Re: [Elecraft] What's best Soundcard Interface for KX3

[Rick WA6NHC]

To be clear, the SLUSB VOX is the weak point if it is used for PTT. It 
is not reliable... this has little to do with the radio of any brand.


Rick

PS Congrats on the 160M VK0EK QSO, I know what an effort that was, I saw 
your call on DXA3 just after.




On 4/10/2016 10:58 PM, Jim Brown wrote:

On Sun,4/10/2016 10:28 PM, Rick WA6NHC wrote:
While your decode level is admirable, using the SLUSB VOX to trigger 
the PTT is less than reliable. 


I have no experience with the Signal Link unit, but I use AFSK RTTY, 
JT65, JT9, ISCAT, and FSK441, making thousands of QSOs in a weekend 
contest. I've never used anything but VOX for any voice or digital 
mode, whether I was using the sound card built into my laptop or a 
nice USB sound card. It makes life MUCH simpler, and it works quite 
reliably if you set it up well.


Like with any VOX setup, you start with high VOX sensitivity while 
you're getting modulation levels right, then set the VOX for reliable 
operation. There are detailed setup instructions for audio levels (but 
not for setting VOX) in my review of USB sound cards at 
k9yc.com/publish.htm


73, Jim K9YC


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[Elecraft] P3 Ref Lvl saving

[Bill Frantz]

I have noticed that my P3 does not correctly save the Ref Lvl 
for 160M over a power off/on cycle. The normal level for 160M 
here is about 96 while all the other bands are above 100. When I 
power off when set to another band, power on again, and switch 
to 160M, the Ref Lvl is set to the level of the band where I was 
when I turned off the power.


For example, if I am on 12M with a Ref Lvl of 144, and I power 
the K3 and P3 off and then on again, I come up on 12M with a Ref 
Lvl of 144 like I expect. If I then change bands, all the bands 
15M thru 80M come up to the last Ref Lvl I used on those bands, 
but 160M comes up at 144.


Note that I power the P3 from the K3 12V output and use the K3 
power switch to turn both of them on and off.


Has anyone else seen this behavior?

73 Bill AE6JV

---
Bill Frantz| Since the IBM Selectric, keyboards have gotten
408-356-8506   | steadily worse. Now we have touchscreen keyboards.
www.pwpconsult.com | Can we make something even worse?

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Re: [Elecraft] RFI resistant Monitor

[Jim Brown]

On Sun,4/10/2016 10:44 PM, KC6CNN wrote:

I just found that when the monitor is on it adds 2 bars of noise to my
meter. It is also turning off when I operate on certain bands.


I had exactly that experience with a Samsung that W4UAT gave me because 
it did that in his shack too. It also makes RF noise. The good news is 
that not all Samsung monitors are RFI dogs. I have two recent model 
Samsungs in my house and four in the shack. They are designed to run on 
power supplies labeled 14VDC, and the supply they sell you is a 
switching power supply that makes RF noise. I throw those power supplies 
away, cut the attached power cable and attach red/black PowePoles, and 
run them from either the 12V battery system in my shack  or a small 12V 
lead-acid cell that I float-charge from a linear 12V wall wart.


I also use ferrite common mode chokes on both the video cable that runs 
to the computer and the power supply cable "just in case" some RF trash 
is conducted to those cables, which the cables could radiate.


All that, and a lot more, is discussed in this "in progress" article for 
the National Contest Journal.  k9yc.com/KillingReceiveNoise.pdf


73, Jim K9YC
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Re: [Elecraft] What's best Soundcard Interface for KX3

[Jim Brown]

On Sun,4/10/2016 10:28 PM, Rick WA6NHC wrote:
While your decode level is admirable, using the SLUSB VOX to trigger 
the PTT is less than reliable. 


I have no experience with the Signal Link unit, but I use AFSK RTTY, 
JT65, JT9, ISCAT, and FSK441, making thousands of QSOs in a weekend 
contest. I've never used anything but VOX for any voice or digital mode, 
whether I was using the sound card built into my laptop or a nice USB 
sound card. It makes life MUCH simpler, and it works quite reliably if 
you set it up well.


Like with any VOX setup, you start with high VOX sensitivity while 
you're getting modulation levels right, then set the VOX for reliable 
operation. There are detailed setup instructions for audio levels (but 
not for setting VOX) in my review of USB sound cards at 
k9yc.com/publish.htm


73, Jim K9YC
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