[Elecraft] Setting ALC for JT-65/jt-9

[Sid Frissell]

Well, let me do a final summary of what I learned from many kind fellow hams 
here and via personal eMail.  There are two schools of thought on how you 
accomplish four solid bars and a fifth blinking (ALC meter).  

1.  Several people sent me fairly long, complex discussions of the problem with 
final recommendations to use the Mic Gain control to control old "blinky 5".  
Well meaning but not helpful as that was exactly what I was complaining about.  
 That control is irritatingly sensitive!, especially for us older gentlemen.

2. The alternative approach was very well-explained by Ian, N8IK (short form) 
and Dave, N5XL (long form).   After very usefuL steps re. Windows audio sliders 
etc, they both set radio audio with mic gain level in the Menu.  Then (trumpets 
and drum rolls here) the final adjustment of Blinky 5 was done with the Power 
Slider in WSIT-X.  Wow.  That slider seems much less sensitive and does the job 
nicely.  

I will wrap up this thread with a cheer and many thanks to you who shared your 
knowledge.   This group rocks!

Sid, NZ7M
(A ham since 1950)

Sent From Sid Frissell's iPad
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Re: [Elecraft] K3EXREF - What am I doing wrong

[Edward R Cole]

Wow! Great tip -- totally forgot the "tap" "2" step.

My EXREF had quit some time ago and checking 10-MHz sources all 
tested good so I figured my "beta test" unit had given it up.  Too 
busy to investigate further.


It stopped after I had a firmware glitch so now guessing that shut 
off the EXREF.


So I did the tap-2 and REF CAL showed no asterisk - uh oh.  I changed 
10-MHz source (I have a 4-way distribution amp) and still 
nothing.  So "utilizing my trouble shooting skills" I decided to 
check the coax and found the sma connector not fully tightened at the 
K3.  About 1/2 turn is all it took and REF * CAL with asterisk 
blinking and the 49.380.000 oscillator is shifting upward again 
compensating TCXO drift (mine tops out at about 49.380.072).


Its my belief the upward drift is from initial radio warm-up and once 
it reaches operating temp** is reached its fairly stable varying only 
a few Hz.  My Beta Tests indicate my EXREF holds my K3/10 within 2-Hz 
at 28-MHz (which is my IF for transverter operation). I have a mw 
frequency counter (with internal TCXO) for checking and also a 
Rubidium oscillator which I use as my Frequency standard.  Counter 
TCXO is never off 1-Hz from the Rb source.  The OCXO requires 
adjustment about 2 times per year for long-term drift.  **NOTE: I 
have a K3/10 so the 10w amp doesn't produce a lot of heat.  When I 
operate in transverter mode the K3 operates at 1mw with no extra heat 
in Tx.  If you have a K3/100 that could be different when on HF/6m.


I did find one of my four port distribution amp has no output (BNC 
appears loose so probably has broke off the wire inside).  I have a 
432 and 1296 transverter that both use a synth-PLL LO locked to 
10-MHz.  My source is a $45 e-bay Russian surplus OCXO.


My Point: Beware that sma must be properly tight to have good contact.

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

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Re: [Elecraft] OT Apple Airport Extreme RFI

[David Ahrendts]

You are MUST READ, Jim. Thank you for your contributing your wisdom on this 
topic. 

David A., KK6DA, LA

> On Feb 28, 2016, at 2:03 PM, Jim Brown  wrote:
> 
> On Sun,2/28/2016 11:24 AM, David Ahrendts wrote:
>> Just replaced an older circa 2012 Apple Time Capsule with a new Airport 
>> Extreme in my home gigabit network. And in the category of “it’s always 
>> something,” I discover that the AEX powers down with my K3S/KPA500 at 500 
>> watts. Just shits off.  Admittedly, they sit just feet away from each other, 
>> but care is taken to separate RF lines from audio lines and network lines. 
>> The newer AEX introduces Apple’s 802.11ac protocol. Any guesses?
> 
> First, take it back and get your money, and tell them why.
> 
> Second, if you decide not to do that, carefully choke all of the cables 
> connected to it, following the guidelines in k9yc.com/RFI-Ham.pdf for ferrite 
> common mode chokes for the ham bands where there is a problem.
> 
> Proximity between transmitter and the box doesn't matter -- transmitters 
> themselves don't radiate. What matters is proximity to ANTENNAS -- that's 
> what radiates. The cables connected to the Apple box can act as both TX and 
> RX antennas, including the power supply, which itself can be a powerful noise 
> source.
> 
> Also, be sure to listen for RF trash. The good news is that the chokes you 
> install to protect the unit will also reduce trash radiated by those cables 
> from the unit (and from the power supply).
> 
> 73, Jim K9YC
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David Ahrendts   davidahren...@me.com   




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Re: [Elecraft] OT Apple Airport Extreme RFI

[Jim Brown]

On Sun,2/28/2016 11:24 AM, David Ahrendts wrote:

Just replaced an older circa 2012 Apple Time Capsule with a new Airport Extreme 
in my home gigabit network. And in the category of “it’s always something,” I 
discover that the AEX powers down with my K3S/KPA500 at 500 watts. Just shits 
off.  Admittedly, they sit just feet away from each other, but care is taken to 
separate RF lines from audio lines and network lines. The newer AEX introduces 
Apple’s 802.11ac protocol. Any guesses?


First, take it back and get your money, and tell them why.

Second, if you decide not to do that, carefully choke all of the cables 
connected to it, following the guidelines in k9yc.com/RFI-Ham.pdf for 
ferrite common mode chokes for the ham bands where there is a problem.


Proximity between transmitter and the box doesn't matter -- transmitters 
themselves don't radiate. What matters is proximity to ANTENNAS -- 
that's what radiates. The cables connected to the Apple box can act as 
both TX and RX antennas, including the power supply, which itself can be 
a powerful noise source.


Also, be sure to listen for RF trash. The good news is that the chokes 
you install to protect the unit will also reduce trash radiated by those 
cables from the unit (and from the power supply).


73, Jim K9YC
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Re: [Elecraft] K3EXREF - What am I doing wrong

[Mike VE3YF]

Tighe:
Glad you got it working. Mine also works like a charm. I did the calibration on 
both my K3's and then since I had the GPS Antenna on a stick shoved into the 
snowbank, I made it a temp setup. Question, are you leaving the Calibration on 
all the time or just use it once in a while. I am thinking of leaving the 
calibration on and just remount the GPS Antenna to a more suitable location.


73 De Mike
VE3YF

http://www.ve3yf.com
[http://www.ve3yf.com/]
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Re: [Elecraft] OT Apple Airport Extreme RFI

[David Ahrendts]

That did it. Many thanks, Steve. I took it a couple of steps further also. Got 
out a bunch of snap on ferrites and made a couple of one turn wraps on the AEX 
power cable. Further, I had intended on installing the MFJ 1164B AC Line RFI 
Filter (a 4-plug rugged RFI filter with a separate external ground), so I 
plugged it into a separate AC circuit and that combination made the AEX happy. 
500 watts no problem. 
Like so many people, I have several Mac computers, two printers, an audio 
system, lamps, misc. gear all in proximity to the K3S and KPA500, and even 
though I do run a separate AC line for the ham gear, the non-ham gear is 
powered with a hodgepodge of power strips and extension cords. Clearly I need 
to get those in order also. So, case closed — happy to advise anyone who might 
have the same issue on my steps to resolve it. Back to my Oscar party. :—) 

David A., KK6DA, LA


> On Feb 28, 2016, at 11:39 AM, wb6r...@mac.com wrote:
> 
> Hi David - Can you try putting all of the non-radio gear on a separted AC 
> circuit?
> 
> GL - Steve WB6RSE
> 
> 
> 
> On Feb 28, 2016, at 11:24 AM, David Ahrendts  > wrote:
> 
> Just replaced an older circa 2012 Apple Time Capsule with a new Airport 
> Extreme in my home gigabit network. And in the category of “it’s always 
> something,” I discover that the AEX powers down with my K3S/KPA500 at 500 
> watts. Just shits off.  Admittedly, they sit just feet away from each other, 
> but care is taken to separate RF lines from audio lines and network lines. 
> The newer AEX introduces Apple’s 802.11ac protocol. Any guesses? 
> 
> David A., KK6DA, LA  
> 




David Ahrendts   davidahren...@me.com   




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Re: [Elecraft] K3EXREF - What am I doing wrong

[Tighe Kuykendall]

Thanks to everyone that responded.  I looked at that errata several 
times and for some reason had blinders on to the big obvious section in 
the middle of the page which deals with enabling the module.  That's 
what I get for working on it in the middle of the night.


All good now.

73, Tighe NK4I


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Re: [Elecraft] Furnace RF Noise

[Chuck Catledge]

John, beware of any furnaces (or ACs) with variable speed motors.  Some are RF 
quiet; some are not.  There are three potential sources of RF leakage I have 
personally experienced:
1) Variable speed inducer motor - this is a small motor used on higher 
efficiency furnaces to provide draft air to the combustion changer.  Some 
manufacturers have a kit that MAY reduce or eliminate the noise from this motor.
2) Variable speed blower motor - this is the large motor used to move air 
through the heat exchanger and into the duct system.  I have a 3/4 HP variable 
speed motor in one system that is dead quiet; I also have a 1 HP version of the 
same motor from the same motor manufacturer in another system that is very 
noisy.  The engineer that designed the motor confirmed that in the 1HP version 
it was difficult to manage RFI emissions.
3) Variable speed condenser fan motor - this is the motor on the outside 
compressor/condenser unit.  Some manufacturers use a variable speed motor 
running at a fixed speed for this application.  The one I have is very noisy.

---
Chuck, AE4CW

-Original Message-
From: John K7JLT [mailto:k7jltex...@gmail.com] 
Sent: Saturday, February 27, 2016 18:03
To: Mailman 
Subject: [Elecraft] Furnace RF Noise

I am blessed with a low noise level that matches my K3 and need to replace my 
gas furnace without degrading my low noise level.  Has anyone out there had any 
experience with a Ruud model U96V? Please excuse the off topic subject.

John K7JLT

John K7JLT

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Re: [Elecraft] OT Apple Airport Extreme RFI

[Matt Murphy]

I have one but only use the wifi network... No issues with RFI.


On Sunday, February 28, 2016, James Austin  wrote:

> I have the same problem, 50-100 watts would shut mine down. Never did solve
> it, but have only been operating QRP since a recent move.
>
> Jim KA2RVO
>
> On Sun, Feb 28, 2016 at 1:24 PM, David Ahrendts  >
> wrote:
>
> > Just replaced an older circa 2012 Apple Time Capsule with a new Airport
> > Extreme in my home gigabit network. And in the category of “it’s always
> > something,” I discover that the AEX powers down with my K3S/KPA500 at 500
> > watts. Just shits off.  Admittedly, they sit just feet away from each
> > other, but care is taken to separate RF lines from audio lines and
> network
> > lines. The newer AEX introduces Apple’s 802.11ac protocol. Any guesses?
> >
> > David A., KK6DA, LA
> >
> >
> > David Ahrendts   davidahren...@me.com 
> >
> >
> >
> >
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Re: [Elecraft] OT Apple Airport Extreme RFI

[Robert Nobis]

James,

I have an Airport Extreme, with no issues.  Mine is plugged into a separate AC 
power outlet through a filter/surge protector. Also I have the Airport Extreme 
power lead looped through a snap-on  ferrite core.

You might want to review Jim Brown’s (K9YC) tutorial on RFI:  
http://www.k9yc.com/RFI-Ham.pdf

73,


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


> On Feb 28, 2016, at 12:38, James Austin  wrote:
> 
> I have the same problem, 50-100 watts would shut mine down. Never did solve
> it, but have only been operating QRP since a recent move.
> 
> Jim KA2RVO
> 
> On Sun, Feb 28, 2016 at 1:24 PM, David Ahrendts 
> wrote:
> 
>> Just replaced an older circa 2012 Apple Time Capsule with a new Airport
>> Extreme in my home gigabit network. And in the category of “it’s always
>> something,” I discover that the AEX powers down with my K3S/KPA500 at 500
>> watts. Just shits off.  Admittedly, they sit just feet away from each
>> other, but care is taken to separate RF lines from audio lines and network
>> lines. The newer AEX introduces Apple’s 802.11ac protocol. Any guesses?
>> 
>> David A., KK6DA, LA
>> 
>> 
>> David Ahrendts   davidahren...@me.com
>> 
>> 
>> 
>> 
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Re: [Elecraft] OT Apple Airport Extreme RFI

[James Austin]

I have the same problem, 50-100 watts would shut mine down. Never did solve
it, but have only been operating QRP since a recent move.

Jim KA2RVO

On Sun, Feb 28, 2016 at 1:24 PM, David Ahrendts 
wrote:

> Just replaced an older circa 2012 Apple Time Capsule with a new Airport
> Extreme in my home gigabit network. And in the category of “it’s always
> something,” I discover that the AEX powers down with my K3S/KPA500 at 500
> watts. Just shits off.  Admittedly, they sit just feet away from each
> other, but care is taken to separate RF lines from audio lines and network
> lines. The newer AEX introduces Apple’s 802.11ac protocol. Any guesses?
>
> David A., KK6DA, LA
>
>
> David Ahrendts   davidahren...@me.com
>
>
>
>
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Re: [Elecraft] K3, K3S and KX3 - Raspberry Pi 2 as a control/logging computer

[Jerry Moore]

I have full CAT running with FLDIGI using HAMCAT. I'm in the process of
making/installing HAMLIB and CQRLOG.
One nice feature to install and run when needed is ser2net, that allows
comms with the K3S via network, playing with virtual serial ports by
eterlogic.com on the windows side to do updates with the K3 Utility..etc..
It would be nice if we had a K3S Linux group web something to share
notes/installs so we don't have to individually re-invent the wheel.


Jerry Moore
CDXA, INDEXA, SKCC, Fists
AE4PB, K3S - S.N. 010324
http://www.qrz.com/db/AE4PB
An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.


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[Elecraft] OT Apple Airport Extreme RFI

[David Ahrendts]

Just replaced an older circa 2012 Apple Time Capsule with a new Airport Extreme 
in my home gigabit network. And in the category of “it’s always something,” I 
discover that the AEX powers down with my K3S/KPA500 at 500 watts. Just shits 
off.  Admittedly, they sit just feet away from each other, but care is taken to 
separate RF lines from audio lines and network lines. The newer AEX introduces 
Apple’s 802.11ac protocol. Any guesses? 

David A., KK6DA, LA  


David Ahrendts   davidahren...@me.com   




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[Elecraft] Elecraft CW message

[kev...@coho.net]

Good Morning,
   Earlier this week I lost the transmit function of my K3 during a 
contact.  In a subsequent email message I was informed the K3 went off 
the air like the house had lost power.  Such was not the case; I was 
copying just fine.  So until the repairs for the transmitter section of 
the K3 can fit into my budget I'll try to run the net with my K2.  
Conditions being what they are it will be difficult to tell if the K2 is 
working or not.
   If this does not succeed I will try one of my other radios next 
week.  None of them had heard of using PIN diodes for T/R switching so 
they drive me crazy with their relays rattling.  Currently the weather 
is trying to switch from winter to spring.  Not all in one day though, 
there are still high winds and rain.  Antenna repair will have to wait 
for a less windy week.
   If anyone is interested in running the Elecraft CW Net or acting as 
a relay station please apply forthwith.  The wages are sufficient to the 
task.


Please join us on:

14050 kHz at 2300z Sunday (3 PM PST Sunday)
7045 kHz at 0200z Monday (6 PM PST Sunday)

   73,
   Kevin.  KD5ONS
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Re: [Elecraft] K3/0 - How to enable left side mic?

[JOE]

The manual for the K3/0 says:
"It uses its internal speaker and front headphone jack for receive 
audio, and its front

microphone connector for your mic input."

In other words you need to use the front mike connector on the K3/0.  
The mike connector on the back of the K3/0 is actually an output to the 
RemoteRig box.  This is different than the back of your K3/10 K3/100 
radio, where it is an input.  You need the special E85051 (or homemade 
equivalent) cable that connects the K3/0 "SPKRS" and "PTT IN" to the 
RRC1258 "AUX/MIC" jack. BTW, the "PTT IN" on the K3/0 is actually a PTT 
output from the K3/0 to the RRC1258.


You may be able to make a direct connection to the RRC1258 "AUX/MIC" for 
your headset.  I've never done this, but it may be possible.


The HM2 mike is an Electret that needs bias on.  Both Heils are probably 
Dynamic and need bias off.  You'll have to check the Heil literature. I 
don't know how bias is controlled in the K3/0 so I don't know how bias 
on/off woks at the K3/0 but it's worth mentioning as a possible problem.


If you are using the E850511 that came from Elecraft, there is a 
possibility of a "digital noise" problem.  The pairs used for mike audio 
are split between two pairs, causing an imbalance.  This may or may not 
show up in your K3/0.


There is also a small noise problem in the E980207 speaker cable that 
goes between the K3/0 and the RRC1258.  I fixed that with isolation 
transformers.


73, Joe, K1ike

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[Elecraft] FS: KFL3A-6K filter

[Tadej Arcon]

Hello Group,



*I would like to sell or swap my KFL3A-6K filter for KFL3B-FM. Price 100
EUR. Please contact me off list to my email s...@hamradio.si
*
73s, tnx
-- 
Tadej, S52X
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[Elecraft] K3, K3S and KX3 - Raspberry Pi 2 as a control/logging computer

[Jim Sheldon]

I recently picked up a Raspberry Pi 2 to use as a small internet 
computer in case the main desktop died.  So far I've been pretty 
impressed with it's ham radio capabilities.


FLDIGI was pretty easy to get running though I haven't progressed to the 
USB hookup on my K3S yet (a few other programs to get running first).  
In the Logging Programs thread, CQRLOG was mentioned as a good Linux 
based logging program and I have successfully gotten it running on the 
Pi 2.  It is a little tricky to install and there is at least one 
depencency (mysql) that isn't in the CQRLOG package so you're on your 
own finding and installing that first.


There are others out there that apparently have some version of the RPi 
running as a K3/KX3 control computer, so this is really nothing new, 
just a reiteration of the fact it can be done and the little single 
board Linux box seems to be up to the task.


I'd look forward to seeing how someone else has done the K3S USB 
interface (off line please to avoid Eric's wrath for too much clutter on 
the reflector) and as I get time I'll continue the attempt myself.  As 
far as I have gotten, everything appears to work well and using WiFi, I 
have a stable internet connection which is absolutely necessary to keep 
frustration to a minimum when looking for and installing programs on the 
Pi 2.


Jim - W0EB


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Re: [Elecraft] Logging Programs

[Jim Rodenkirch]

Yes, Mark.smilingmea culpa for NOT reading the original post more
carefully71.5 de Jim R. K9JWV



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Re: [Elecraft] K3/0 - How to enable left side mic?

[Oliver Dröse]

Jim,

the menu settings RF.L, RF.H, etc. only effect the remote K3, *not* the 
mini! So do not change them, they need to be configured as needed on the 
remote side.


For the mini there's no selection. The front panel mic socket is enabled 
as long as you do not plug-in anything into the left mic socket. As soon 
as you do it will disable the front panel socket and take audio from the 
3,5 mm plug.


Internal to the K3/0 mini is a jumper that sets mic bias for the 3,5 mm 
socket. Maybe you need to check if it is set accordingly. Mine was, I 
had to disable it to allow me using my non-electret mic there.


73, Olli - DH8BQA

Contest, DX & radio projects: http://www.dh8bqa.de


Am 27.02.2016 um 20:16 schrieb jlbates4:

I'm beyond frustrated...

Situation:  I've got a K3/0 attached to Remote Rig boxes to my K3 in the
shack.  MH2 mike works perfectly.  Headset plugged into the left SPKR jack
works fine.

No matter what I do, I can NOT get any audio transmitted from the left MIC
connector!

I've tried using 2 types of heil headsets - iC & HC4/5; I've detached the
MH2 mike and tried it; I've removed the RRC cable and configured the mic
input to RF.L, RF.H, RP.L, RP.H, Line In all to no avail!

Can anybody please help me with a suggestion?

Jim - K8OI



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(804) 592-1068
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Re: [Elecraft] ALC adjustment on K3S

[Wes (N7WS)]

I don't use JT modes, but on RTTY and PSK I've found a similar issue with my 
K3S.  I've mentioned it here in the past more in reference to the built-in sound 
card super sensitivity affecting VOX setup.  The best I've done is to go into 
the Windows Sound setup and reduce the output (speaker) gain to about -30 dB.  
This will reduce the touchiness of the Mic (Line Level). Still I find it near 
impossible to set up for "flickering" bars, however.


This isn't an issue with my old K3 using the computer sound card and analog 
audio in and out of the K3.  Progress?


On 2/27/2016 3:17 PM, Sid Frissell wrote:

Howdy
Been using my K3s  (S/N 10462) for JT-65/JT-9 and am struggling with setting 
the ALC.  I am using the Mic Gain control for fine tuning---unbelievably fine.  
You really can't actually touch the knob,  you just breath on it or think hard 
about moving it!   It is the most sensitive control I have ever had to deal 
with in my 60 years as a ham!  Am I missing something?  Is there a better way 
to get old bar No. 5 jumping?  KE7K says that's what you do.  I can do it but 
hoping there's a easier way.  Any help?

Sid, NZ7M

Sent From Sid Frissell's iPad
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Re: [Elecraft] ALC adjustment on K3S

[Tristani Ramon]

Dave:

This is a great post. I am not currently working JT but you just motivated me. 
I will begin using it. Thank you for taking your time to write this very useful 
set of instructions. 

Ramon
NQ9V




> On Feb 28, 2016, at 9:00 AM, N5XL .  wrote:
> 
> Sid,
> 
> While I am not using a K3 (I am running a KX3/KXPA100), I can give you a 
> general guideline of how I control things here for successful operation in 
> JT.  It should give you a general guideline on what to initially adjust, look 
> for, and set up for your K3 / computer / software package.  
> 
> My specifics are a KX3/KXPA100 with Windows 10, no rig interface (kx3 
> connects to computer directly via audio cables and usb cables) and WJST-X. 
> Antenna is a 40 meter extended double zepp fed with open wire feed for 
> multiband operation.  I make all my JT contacts in DATA mode and not SSB 
> mode, and while I can and have made data contacts in SSB mode, I find it much 
> less worrysome from an ALC settings standpoint to use DATA mode for digital 
> contacts.  I make hundreds of JT contacts on the bands, 40-15 meters mostly.
> 
> First, make sure you have your computer and JT software set up to control rig 
> keying correctly.  It is important to make sure the computer, JT software and 
> the K3 all talk together properly and perform as expected with regard to rig 
> keying first.  In WSJT-X, I use cat control to key the radio.  I do not use 
> VOX.
> 
> On the radio side, in DATA mode, I have the mic gain on my KX3 at 25.  This 
> is generally where I run the mic gain when I make SSB contacts and should 
> serve as a good initial starting point for you.  Be aware that, at least on 
> the KX3, too high of a mic gain setting will show no ALC indication and can 
> give erratic rig performance regard to TX output stability (what I would call 
> as “power hunting”…a cycling or slow oscillation of ALC indication and 
> indicated power output as the KX3 tries to maintain a stable output).  I 
> would imagine the K3 to be similar.  Generally speaking, err on the low side 
> of mic gain settings as you can easily make ALC fine tuning adjustments for 
> higher ALC within the JT software later.  Once the mic gain on the radio is 
> set where you have solid radio keying and power output performance, do not 
> touch it again in normal JT operation.  You can always come back later after 
> performing the below rough adjustments and make any minor settings for 
> optimal performance later.  As a general guide, once the mic gain is set for 
> good solid operation, you never touch it again.
> 
> On the computer side, specifically with regard to the audio slider settings 
> in Windows, I have the Playback device level set at 50 (midscale).  If your 
> soundcard in your computer allows for advanced settings such as audio 
> equalization or audio effects, make sure all of these are turned off.  On the 
> Recording side, it too is set for midscale or 50.  Make sure you have any 
> special audio effects on the recording side turned off.  Pay special 
> attention to any mic gain or boost settings if your soundcard has these 
> features and ensure they are all turned off.  Once set within Windows, I do 
> not touch the audio slider settings again.  There is a lot of variation here 
> with regard to proper audio settings you will end up within Windows due to 
> hundreds of different possible audio cards found in various computers and the 
> final mic gain setting you choose on the K3, but generally speaking, you are 
> looking for non-overdriven audio input as indicted by the ALC display on the 
> K3 with the mic gain set as described above.
> 
> In your JT software, you should have some sort of audio sliders that do 
> basically the same thing as the Windows sliders settings.  In WSTJ-X, there 
> are two controls you will use to make the necessary audio fine tuning 
> adjustments.  Set the RX audio input slider so that you have acceptable RX 
> audio levels for good decode.  In WSJT-X, this control can be found on the 
> main program window, on the far left hand side of the display.  I find the 
> best decoding performance to be when the RX audio slider is adjusted so that 
> the software displays a levels of approximately 25-30 dB in RX mode with no 
> stations transmitting (ie, monitoring a quiet band).  This is approximately 
> midscale on the visual display.  Once the RX level is set, you can then 
> adjust your waterfall visual display so that you have whatever visual 
> settings you prefer to see (all of these visual sliders are at the bottom of 
> the WSJT-X Wide Graph window.)  The takeaway here is to have the AF gain 
> settings on the rig and recording audio sliders within Windows to give 
> approximately 30db of indication within WSJT-X.  Fine tuning here can be done 
> within WSJT-X or even with the AF gain control on the K3 if need be.
> 
> With regard to TX audio levels in WSJT-X, the slider you want to adjust for 
> proper ALC indication on the K3 is

[Elecraft] ALC adjustment on K3S

[N5XL .]

Sid,

While I am not using a K3 (I am running a KX3/KXPA100), I can give you a 
general guideline of how I control things here for successful operation in JT.  
It should give you a general guideline on what to initially adjust, look for, 
and set up for your K3 / computer / software package.  

My specifics are a KX3/KXPA100 with Windows 10, no rig interface (kx3 connects 
to computer directly via audio cables and usb cables) and WJST-X. Antenna is a 
40 meter extended double zepp fed with open wire feed for multiband operation.  
I make all my JT contacts in DATA mode and not SSB mode, and while I can and 
have made data contacts in SSB mode, I find it much less worrysome from an ALC 
settings standpoint to use DATA mode for digital contacts.  I make hundreds of 
JT contacts on the bands, 40-15 meters mostly.

First, make sure you have your computer and JT software set up to control rig 
keying correctly.  It is important to make sure the computer, JT software and 
the K3 all talk together properly and perform as expected with regard to rig 
keying first.  In WSJT-X, I use cat control to key the radio.  I do not use VOX.

On the radio side, in DATA mode, I have the mic gain on my KX3 at 25.  This is 
generally where I run the mic gain when I make SSB contacts and should serve as 
a good initial starting point for you.  Be aware that, at least on the KX3, too 
high of a mic gain setting will show no ALC indication and can give erratic rig 
performance regard to TX output stability (what I would call as “power 
hunting”…a cycling or slow oscillation of ALC indication and indicated power 
output as the KX3 tries to maintain a stable output).  I would imagine the K3 
to be similar.  Generally speaking, err on the low side of mic gain settings as 
you can easily make ALC fine tuning adjustments for higher ALC within the JT 
software later.  Once the mic gain on the radio is set where you have solid 
radio keying and power output performance, do not touch it again in normal JT 
operation.  You can always come back later after performing the below rough 
adjustments and make any minor settings for optimal performance later.  As a 
general guide, once the mic gain is set for good solid operation, you never 
touch it again.

On the computer side, specifically with regard to the audio slider settings in 
Windows, I have the Playback device level set at 50 (midscale).  If your 
soundcard in your computer allows for advanced settings such as audio 
equalization or audio effects, make sure all of these are turned off.  On the 
Recording side, it too is set for midscale or 50.  Make sure you have any 
special audio effects on the recording side turned off.  Pay special attention 
to any mic gain or boost settings if your soundcard has these features and 
ensure they are all turned off.  Once set within Windows, I do not touch the 
audio slider settings again.  There is a lot of variation here with regard to 
proper audio settings you will end up within Windows due to hundreds of 
different possible audio cards found in various computers and the final mic 
gain setting you choose on the K3, but generally speaking, you are looking for 
non-overdriven audio input as indicted by the ALC display on the K3 with the 
mic gain set as described above.

In your JT software, you should have some sort of audio sliders that do 
basically the same thing as the Windows sliders settings.  In WSTJ-X, there are 
two controls you will use to make the necessary audio fine tuning adjustments.  
Set the RX audio input slider so that you have acceptable RX audio levels for 
good decode.  In WSJT-X, this control can be found on the main program window, 
on the far left hand side of the display.  I find the best decoding performance 
to be when the RX audio slider is adjusted so that the software displays a 
levels of approximately 25-30 dB in RX mode with no stations transmitting (ie, 
monitoring a quiet band).  This is approximately midscale on the visual 
display.  Once the RX level is set, you can then adjust your waterfall visual 
display so that you have whatever visual settings you prefer to see (all of 
these visual sliders are at the bottom of the WSJT-X Wide Graph window.)  The 
takeaway here is to have the AF gain settings on the rig and recording audio 
sliders within Windows to give approximately 30db of indication within WSJT-X.  
Fine tuning here can be done within WSJT-X or even with the AF gain control on 
the K3 if need be.

With regard to TX audio levels in WSJT-X, the slider you want to adjust for 
proper ALC indication on the K3 is the Pwr slider, found on the far right hand 
side of the main program window.  Set the Pwr slider to be approximately 
midscale initially.  Key up the K3 with the TUNE function within WJST-X and 
while transmitting, slide the slider using your mouse wheel (don’t drag the 
slider by clicking and holding with the mouse), up or down, to obtain 4 solid 
bars as displayed on the K3.  It wont take mu

Re: [Elecraft] Logging Programs

[NZ0T]

CQRLOG is a very good general logging program for Linux and there is now a
version that works well on the Raspberry Pi B 2:

https://www.cqrlog.com/node/1455

I used it with an RPI2 running Linux Mate and it worked very well.  The only
reason I switched back to a desktop machine is that WINE does not work on
the PI and I use it to run the W2 wattmeter software which is not available
in Linux.

73 Bill NZ0T



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Re: [Elecraft] K3EXREF - What am I doing wrong

[David Pratt]

Yes, you could be missing something, Tighe.
There is an addendum to Page 4 which reads:

After installing the K3EXREF module, you must enable it in the K3 menu
before it can be used if your K3 is equipped with MCU firmware 4.57 or
later.

Enable the K3EXREF module as follows:

* Turn the K3 on. Confirm that TECH mode is on (CONFIG:TECH MD On).
* Turn the VFO B knob to locate the CONFIG:REF CAL menu entry.
* Tap the REV / 2 switch and note that the VFO B display flashes between
XREF IN (K3EXREF module active) and XREF OUT (K3EXREF module disabled).
Tap the REV /2 switch so that XREF IN is displayed.

Ii is important to disable the module in the menu if you remove the
K3EXREF module in the future.

http://www.elecraft.com/manual/E740156E%20K3EXREF%20Errata%20A2-5.pdf

I hope that helps.

73 de David G4DMP

In a recent message, Tighe Kuykendall  writes
>I picked up the Leo Bodnar frequency reference and a K3EXREF board
>after reading a couple of threads here.  I Installed the board
>according to instructions, took static precautions, am using a known
>good cable from the K3 to said reference.  I can clearly hear the 10MHz
>tone on my K3 when I tune a VFO to 10MHz and the signal goes away if I
>disconnect the coax from the freq reference.  I've checked all of the
>tmp connectors and reseated the K3EXREF board on the K3REF board and
>all pins are properly engaged.  But still no * on the display and the
>REF CAL setting remains unlocked.
>
>Am I missing something, is there something to do to enable the K3EXREF
>other than plug in the freq reference and wait for some magic to
>happen?
>
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 + - - - - - - - - - - - - - - - - +
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 | Website: http://www.g4dmp.co.uk |
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Re: [Elecraft] K3EXREF - What am I doing wrong

[David Anderson]

Have you gone to Config: Ref Cal and tapped 2 to enable XREF IN ?

See page 63 of the manual.

73 from David GM4JJJ

> On 28 Feb 2016, at 05:31, Tighe Kuykendall  wrote:
> 
> I picked up the Leo Bodnar frequency reference and a K3EXREF board after 
> reading a couple of threads here.  I Installed the board according to 
> instructions, took static precautions, am using a known good cable from the 
> K3 to said reference.  I can clearly hear the 10MHz tone on my K3 when I tune 
> a VFO to 10MHz and the signal goes away if I disconnect the coax from the 
> freq reference.  I've checked all of the tmp connectors and reseated the 
> K3EXREF board on the K3REF board and all pins are properly engaged.  But 
> still no * on the display and the REF CAL setting remains unlocked.
> 
> Am I missing something, is there something to do to enable the K3EXREF other 
> than plug in the freq reference and wait for some magic to happen?
> 
> 73, Tighe NK4I
> 
> 
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