Re: [Elecraft] KX2 Antenna Curiosity

[Grant Youngman]

Absolutely.  The other advantage of a horizontal dipole (or inverted V) is that 
it will be far quieter than the wire.

An end fed non-resonant wire installed as a sort-of sloper “works” but is far 
from optimum.  Especially since you’re using a minimal counterpoise system.  
One counterpoise wire (elevated) is far from being optimum.  But sure, you can 
make contacts on one.

That said, we all deal with what we have available.  As someone else said, a 
resonant vertical with an adequate radial system will work very well, too, if 
you have the space.  A vertical will be good for DX,  So will a dipole at a 1/2 
wave up.  The dipole at lower heights (or an inverted V if you can’t hang it 
high from both ends) will be far better for local to medium range contacts than 
the vertical.  It depends on your objectives.

I’ve been experimenting with this same kind of non-resonant end-fed wire 
antenna on 20M because in my living situation it is supposedly good for multi 
band operation.  It works poorly everywhere.  My 20M Buddipole vertical (with 4 
elevated radials) works better than that wire.  I recently got a 20M horizontal 
antenna bent around in my restricted space, and it is so much quieter, and 
works well, too.

I’d also suggest a thorough reading of the ARRL Antenna Book if you haven’t 
done so :-)

Grant NQ5T
KX3 (8342)/KXPA100


> On Oct 10, 2019, at 2:59 PM, Tim N9PUZ  wrote:
> 
> If you are talking about a single band dipole then any half wave dipole cut
> to the standard formula and fed with good quality coax should work well. 
> 
> 
>>  I am planning to setup a Dipole at home, but as a newbie am
>> wondering if the “ideal” Ham Dipole can be expected to improve performance.
>> 

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Re: [Elecraft] K4 and VHF/UFH add-ons

[Grant Youngman]

That was worth the 40 minutes … 

Didn’t answer every question ever asked,  but great info, and much more 
thorough than the fester interviews … (Thanks, Eric!)

Grant NQ5T
KX3 (8342)/KXPA100


> On Oct 6, 2019, at 4:55 PM, Dale  wrote:
> 
> Check out the Youtube video posted 3 days ago reviewing the K4 at the UK 
> distributor.  Eric covered that topic.  Search using “Elecraft K4 in Depth”
> 73,
> Dale K9NN
> 

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Re: [Elecraft] K4 and VHF/UFH add-ons

[Grant Youngman]

They’ve made some comments on the VHF/UHF capability previously.  I think 
Elecraft indicated they were thinking around 15W for the VHF/UHF module.  And 
as I recall full-duplex/satellite was not in the initial plans.  I’m going to 
guess this isn’t the current hi priority item on the list.  Availability maybe 
mid-year.  A search in Nabble or a quick review through mailman archives should 
find those posts.  No guarantee my memory is any good of course.

The “official” target dates remain Nov/Dec availability for the K4 according to 
the website.  There were comments during a video interview at a UK hamfest that 
it might be after the 1st of the year.  But there wasn’t much context to those 
comments — so not clear if that was regarding “general availability”, or if 1st 
deliveries to the various deposit/pre-order lists might be sooner. or ….

It will show up when it shows up.  It would certainly be worth the price of 
admission to be a fly on the wall to see what’s going on in Elecraft test and 
development ..  :-)

Grant NQ5T
KX3 (8342)/KXPA100


> On Oct 6, 2019, at 3:30 PM, Bill Frantz  wrote:
> 
> Judging from the lack of activity on this list by the people working at 
> Elecraft, I'd guess they're working their tail off to get it out the door.
> 
> 73 Bill AE6JV
> 
> On 10/6/19 at 7:35 AM, w...@bellsouth.net (Joseph Trombino, Jr) wrote:
> 
>> 1.  Any rumors/inside info on the K4 delivery date(s)?
> 

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Re: [Elecraft] KX3; Firmware Update

[Grant Youngman]

I had actually forgotten that “absolute mode” for the S-meter still showed up 
as “TBD” on the KX3.  I re-discovered it while following the instructions for 
radio setup prior to calibrating opposite sideband null.  I was also hoping for 
synchronous AM, but that didn’t show up either, although I don’t recall it ever 
being advertised.

Neither is particularly critical for most KX3 users if you aren’t using the 
radio as the main station, although there’s much to be said for both features.

Perhaps the 8 cores of processing power in the KX4 will include these?   :-) :-)

Grant NQ5T
KX3 (8342)/KXPA100


> On Sep 30, 2019, at 2:54 PM, AE7AP  wrote:
> 
> It was pointed out to me that the Utility already has the KX3 setting
> function under the "Configuration" tab (I missed that somehow), and also
> that the design of the RTC in the KX3 may not allow for tuning via firmware. 
> Thank you all.
> 
> 73,
> Rob - AE7AP

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Re: [Elecraft] A First Class Company

[Grant Youngman]

This “geezer” finds all kinds of things of interest that might not necessarily 
seem interesting at first look :-)

Grant/NQ5T


Sent from my iPhone

> On Sep 30, 2019, at 2:23 PM, Neil  wrote:
> 
>  Yes indeed, Elecraft is a FIRST CLASS company.Unfortunately with a 
> third world country reflector (just my opinion)
> Other reflectors use the user friendly IO service. QTH.Net is not user 
> friendly. I hope that they can switch to .IO. Why do I have this opinion? It 
> forces the user to scroll thru many messages that a user may not have an 
> interest in, and hunting to find those of interest. Using the .IO all one 
> needs to do is click on the item and it is there. Just one "geezers" take on 
> the issue.
> 73
> Neil   N4FN
> 
> 
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Re: [Elecraft] Not seeing my messages ???

[Grant Youngman]

i have the same problem.  I’ve tried several times to reset the parameter for 
the list, but I never see my own posts.  Have to check the mailman archive if I 
want to  make sure a post actually got through ..

Maybe it’s a moderator level setting, or just a bug ..

Grant NQ5T
KX3 (8342)/KXPA100


> On Sep 28, 2019, at 9:06 PM, Martin Sole  wrote:
> 
> Hi,
> 
> I checked my mailman settings for this list and have enabled the option
> 
> *Receive your own posts to the list?*
> 
> Despite this I do not receive my own messages. Have I missed a setting 
> elsewhere? It only happens on this list.
> 
> 
> Thanks
> Martin, HS0ZED
> 

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[Elecraft] KX3/PX3 Opposite Sideband Nulling

[Grant Youngman]

I posted a couple of queries about these adjustments, and didn’t get any 
responses.  So .. I just went ahead and aligned both the KX3 and PX3.

For what it’s worth, the phase/amplitude settings for opposite sideband null on 
both the KX3 (except for FL1) and PX3 (everywhere) were substantially different 
than the factory/default settings.  Double checked everything.

So there’s a good chance, even if you purchased factory assembled units, that 
it’s worth visiting the opposite sideband null adjustments if you have a 
suitable signal generator and some spare time.

Grant NQ5T
KX3 (8342)/KXPA100


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Re: [Elecraft] {KX3] KX3/PX3 Opposite Sideband Nulling -- Question

[Grant Youngman]

I went ahead, bit the bullet,  and recalibrated opposite receive sideband 
suppression on the KX3.  It was substantially off with both FL3 and FL2.  With 
FL2 I was able to get a very good null.  With FL3 the null was quite shallow, 
but better than before.  Not sure if the FL3 situation indicates an issue with 
the roofing filter module, or if that’s just the way it is.

I’ll run the radio and watch everything for a while before redoing the PX3, 
since that’s band-by-band and more work than I have time for today.  At least 
my 8640B still works :-)

Grant NQ5T
KX3 (8342)/KXPA100


> 
> I’ve noticed (usually on 20M) that with the KX3 preamp OFF and a strong USB 
> SSB signal tuned, that there is a LSB “shadow” on the left side of the cursor 
> that shows up on the PX3 display, some dB down from the tuned signal.  This 
> does not appear if the KX3 preamp is turned ON.  
> 
> Would this be normal with the preamp turned off?  Would it be reasonable to 
> assume that either or both of the KX3/PX3 need opposite sideband nulling 
> adjustments revisited?  And if so, should the KX3 be done before looking at 
> the PX3?
> 
> At this point it’s just a niggle. The KX3 and roofing filter were shipped 
> together from Elecraft and calibration was done at the factory.  Perhaps it’s 
> drifted somewhat with time and just needs to be tweaked.
> 

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[Elecraft] {KX3] KX3/PX3 Opposite Sideband Nulling -- Question

[Grant Youngman]

I’ve noticed (usually on 20M) that with the KX3 preamp OFF and a strong USB SSB 
signal tuned, that there is a LSB “shadow” on the left side of the cursor that 
shows up on the PX3 display, some dB down from the tuned signal.  This does not 
appear if the KX3 preamp is turned ON.  

Would this be normal with the preamp turned off?  Would it be reasonable to 
assume that either or both of the KX3/PX3 need opposite sideband nulling 
adjustments revisited?  And if so, should the KX3 be done before looking at the 
PX3?

At this point it’s just a niggle. The KX3 and roofing filter were shipped 
together from Elecraft and calibration was done at the factory.  Perhaps it’s 
drifted somewhat with time and just needs to be tweaked.

Thanks .,,.

Grant NQ5T
KX3 (8342)/KXPA100


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Re: [Elecraft] Windcamp X3 Li-ion Battery Box usage?

[Grant Youngman]

There’s at least one person who wasn’t happy ….

https://www.youtube.com/watch?v=TqMT1i5AwM8

Grant NQ5T
KX3 (8342)/KXPA100


> 
> 
> I keep seeing these on eBay.  They look neat with packaging that matches,
> and attaches to, the KX3.  Looks like a good way to have an external
> battery pack versus keeping batteries inside the KX3.  Wonder if anyone has
> tried one of these?
> 

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[Elecraft] Biding my time ...

[Grant Youngman]

I was rereading all of the K4 material today.  It occurred to me that waiting 
for a K4 is not unlike waiting for a new key from Alberto Frattini (I1QOD).  
You know you’re going to getting something exceptional … eventually … but you 
have to just put it out of your mind for a few months while the elf is building 
it … 

So I’ve put it out of my mind … I’m trying, anyway.  Really … :-)

Grant NQ5T
KX3 (8342)/KXPA100


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Re: [Elecraft] Low activity

[Grant Youngman]

In the meantime, the rest of us are too busy daydreaming about being able to go 
K4ing … :-)

Grant NQ5T
KX3 (8342)/KXPA100

> Speaking strictly for all of us, the Elecraft Elves are so busy K4ing that 
> some aren't posting as often as usual.
> 
> Wayne
> N6KR
> 
> 

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Re: [Elecraft] Low activity

[Grant Youngman]

September has been fairly quiet.  Only around 160 posts for the (nearly) first 
half of the month.

Grant NQ5T
KX3 (8342)/KXPA100


> On Sep 13, 2019, at 1:46 PM, Szabó István  wrote:
> 
> During last week I got very few e-mails. Is it low activity or e-mails lost 
> somewhere?
> 
> 73, István ha4zd
> 
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Re: [Elecraft] K3 - Selecting a freq memory slot via a CAT command

[Grant Youngman]

Look at the MCnnn; command, p15 of the Programmer’s Reference.

Sent from my iPhone

> On Aug 30, 2019, at 7:00 PM, Fred Jensen  wrote:
> 
> I've gone through the K3 command list several times and I can't find a 
> command that allows me to select a specific frequency memory channel from a 
> macro.  I've been making a few CW QSO's on 60 m, I have an empty slot on my 
> KPOD, and I'd like to:
> 
> M>V
> Select slot
> M>V
> 
> My 60 meter slots are set up for channel hopping thru the 5 "channels" with 
> VFO A set to center of channel [CW, PSK] and VFO B set to the suppressed 
> carrier frequency for USB.
> 
> 73,
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
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Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and

[Grant Youngman]

Yes, of course.  I know how things work. And I agree with Don’s comment that 
came in in another email while I was typing. That does NOT mean the vertical 
element is the “counterpoise" to a long elevated wire (or more than one) a few 
feet off the ground.  Yes those wires may radiate, but probably not where you 
want them to, unless you want to talk straight up.

Like I’ve argued, if you want a wire to radiate, put in in the air.  And if you 
do that, there’s no point in having the AX1 in the system.  That’s all.

Over and out, SK :-)

Grant NQ5T
KX3 (8342)/KXPA100


> On Aug 27, 2019, at 5:34 PM, Bob McGraw K4TAX  wrote:
> 
> The "wire" is just the other 1/2 of the dipole.
> 
> 73
> 
> Bob, K4TAX
> 

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Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and

[Grant Youngman]

I don’t think I’m missing anything.  You’re basically arguing for an elevated 
counterpoise.  Of course the AX1 needs a counterpoise.  And I run an elevated 
counterpoise on most of my portable vertical antennas. 

My 31’ portable wire works better than an AX1 most of the time.  It’s not 
always convenient or possible to put a wire in a tree.  And a wire counterpoise 
for your AX1, 3-5’ off the ground, straight as an arrow, won’t radiate much 
anyway (although it can help adjust the native imdedance of the 
AX1/counterpoise system).  When I walk to the dock, I take the AX1 and the 
recommended counterpoise.  The counterpoise goes over the end of the dock — no 
trees down there :-)

I’m not saying that an elevated counterpoise won’t work with the AX1, just that 
I’m having trouble getting my head around considering the wire as the main 
radiator, and the AX1 as a counterpoise???

Grant NQ5T
KX3 (8342)/KXPA100


> On Aug 27, 2019, at 4:31 PM, David Gilbert  wrote:
> 
> 
> The point you're missing is that the AX1 wants (needs) a wire counterpoise to 
> work very well at all, and since it's that counterpoise wire that is doing 
> most of the actual radiating you're better off trying to optimize what you do 
> with it.  I don't see how that is so difficult to understand, especially 
> since there have been several testimonials here that say the same thing ... 
> the AX1 works much better when you keep the wire "counterpoise" (actually the 
> primary radiator) as straight and in the clear as possible.
> 
> 73,
> Dave  AB7E
> 
> 

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Re: [Elecraft] K3 & K3S for sale

[Grant Youngman]

An upgraded K3 (synth, other)  is far better than a mere 90% of an S.  Where’s 
the 10% as far as actual performance (not just a dB or two here and there) is 
concerned?

Of course, you could (it was originally talked about but never offered as an 
“official” upgrade, but you can order it as a part now) buy a K3S 4-layer RF 
board, re-kit your K3 and put it in.  But, honestly, the difference between the 
radios is in the margin.  If it had been THAT much better it would have been 
the K4 and the new one would have been a K5.

I have more than a little sellers's remorse over parting with my updated K3, 
but I’ll get over it … maybe this Winter.  Although even that likely may not be 
a better radio than a K3 with the critical updates, at least until the hybrid 
“H” update is released.

Grant NQ5T
KX3 (8342)/KXPA100


> 
> I consider these radios 90% of a K3S from a performance point of view.
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Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and

[Grant Youngman]

Not trying to start a disagreement here, but I don’t see the point.

If you want to run a wire antenna, then, good gracious, run a wire antenna.  
They work pretty well portable.  I carry two in my bag.  But I fail to see the 
rationale of using the AX1 as a “counterpoise”.
For quick low profile portable, the AX1 works as well as you can expect a very 
short loaded radiator to work.  For that purpose it’s easy, quick on the air, 
and does fine.

Grant NQ5T
KX3 (8342)/KXPA100


>> 
>> I think users of the AX1 would be better off thinking of IT as the 
>> counterpoise, and making the most out of what they normally consider to be 
>> the counterpoise wire.
>> 
\
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[Elecraft] Portable Speakers

[Grant Youngman]

Here’s been a lot of discussion from time to time about compact lightweight 
speakers for portable operation with the KX3, and probably the KX2 also.

I’ve tried several things recommended here, and they’ve mostly all ended up in 
a storage bin in the garage awaiting their fate in a trash compactor — sound 
awful, too flimsy, quit or broken after a week, whatever.  And I reverted to my 
old “portable” Sony SRS-X33 that weights about 1.5 lbs.

I recently discovered the SoundMatters FOXL Dash 7.  Weighs less than 8 oz, 12 
hour internal battery life, stereo, and sounds good.  Takes up no noticeable 
space in my (Rose Kopp) KX3 go bag.  This speaker was introduced around 2015, 
but is still available from the vendor (priced high) or from various eBay 
sellers for $90-95.  I bought mine from the manufacturer for $90, but they’ve 
since deleted that offer.  You can see mine in the top pic of my QRZ page.

Just an FYI … in case you’re still hunting for something useful that won’t hurt 
your ears.  Pricey compared to some, but I’ve concluded you get what you pay 
for.

Grant NQ5T
KX3 (8342)/KXPA100


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Re: [Elecraft] KX3 CMP n/a

[Grant Youngman]

Good question.  Could you be HOLDING the button instead of just tapping it?  A 
HOLD (long press) on the button will take you to Pitch, which does return N/A.

Grant NQ5T
KX3 (8342)/KXPA100


> On Aug 25, 2019, at 4:41 PM, k1oj  wrote:
> 
> k1oj

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Re: [Elecraft] USB vs RS232 for K3/P3

[Grant Youngman]

Yes …

Grant NQ5T
KX3 (8342)/KXPA100


> 
> Would changing to USB eliminate any need for Line IN/OUT connections to solve 
> the digi problem?

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Re: [Elecraft] PX3 Keyboards

[Grant Youngman]

Don’t know what happened to the list.  Keyboard models change so frequently it 
probably got to be a mess to keep up with it.

This Logitech is a Bluetooth keyboard.  Last I saw something about it, 
bluetooth wouldn’t work because it needed a PC BIOS to make the connection.

I use an Anker 2.4GHz wireless keyboard that works fine.  It comes with the 
wireless/USB adapter that stores in the keyboard battery compartment.  There 
are several types of these around.

Grant NQ5T
KX3 (8342)/KXPA100


> On Aug 24, 2019, at 7:12 PM, John Hendricks  wrote:
> 
> Does anyone know if the Logitech K380 keyboard works with the PX3.  Can not
> find a current list on the Elecraft site.
> 
> John K7JLT
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Re: [Elecraft] CAT Controls for KX3

[Grant Youngman]

Opps, sorry.  I was looking at the K3 table.

For the KX3 it would be SWT24;

Grant NQ5T
KX3 (8342)/KXPA100


> On Aug 22, 2019, at 12:16 PM, John Pierce via Elecraft 
>  wrote:
> 
> Does anyone know what the CAT commands that allow you to switch from VFO A
> to VFO B?
> 
> I have the phone section of a band set to VFO A,  and the CW section of that
> band in VFO B.   I have the filters and mode set for each section of the
> band.
> 
> 
> 
> John,  AD2F
> 
> 
> 
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Re: [Elecraft] CAT Controls for KX3

[Grant Youngman]

If you want to swap the contents of A and B, use SWT11;

Grant NQ5T
KX3 (8342)/KXPA100


> On Aug 22, 2019, at 12:16 PM, John Pierce via Elecraft 
>  wrote:
> 
> Does anyone know what the CAT commands that allow you to switch from VFO A
> to VFO B?
> 
> I have the phone section of a band set to VFO A,  and the CW section of that
> band in VFO B.   I have the filters and mode set for each section of the
> band.

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[Elecraft] PX3 Cursor with KXPA100

[Grant Youngman]

So it's normal, I guess, that every new user of a product “rediscovers" some of 
its unique characteristics.  

I rediscovered the issue of the effects of the KXPA100 on PX3 cursor behavior, 
making it twitchy and jumpy.  Since there has been previous discussion of a fix 
that Elecraft chimed in on, but there’s been no fix, I assume it may be a 
hardware/processing limitation, either of the KX3 or PX3.

To ameliorate the issue, I’ve added PA Mode ON/OFF functions as macros in the 
PX3 (since it isn’t an issue when the PX3 doesn’t come along on an outing).  
Saves digging into KX3 menus to change the PA status and is certainly quicker.

PA Mode ON:  MN146;MP001;MN255;PC080;
PA Mode OFF:  MN146;MP000;MN255;PC010;

(I change power settings as well, YMMV).

Still — it would be nice if there were a way to solve the underlying problem 
without waiting for the KX4 :-)

Grant NQ5T
KX3 (8342)/KXPA100


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Re: [Elecraft] KXPA100 Question

[Grant Youngman]

Should have searched on Nabble first.  Finally found some discussion of this 
PX3 cursor lag issue when running a KXPA100 back in 2017.

Elecraft apparently recognized it as a bug, and talked about a fix, but I guess 
nothing has been forthcoming.

Grant NQ5T
KX3 (8342)/KXPA100


> On Aug 18, 2019, at 7:07 PM, Brian Hunt  wrote:
> 
> Just out of curiosity, is the serial speed set to 38400?  Running slower 
> would make a difference. 
> 
> 73,
> Brian, K0DTJ
> 
>> On Aug 18, 2019, at 15:41, Grant Youngman  wrote:
>> 
>> I fiddled with it a bit, and really didn’t notice any major changes in how 
>> the PX3 controls function.  Not that there aren’t any.
>> 
>> The simple solution is to simply set PA Mode: Off when generally tuning 
>> around.
>> 
>> Grant NQ5T
>> KX3 (8342)/KXPA100
>> 
>> 
>>> On Aug 18, 2019, at 5:30 PM, Donald Wines  wrote:
>>> 
>>> Grant,
>>> 
>>> Something else I've noticed since getting the KXPA100 is the Select knob on 
>>> the PX3 gets flaky if it's turned too fast. It seems to work fine if you 
>>> turn it slowly. For instance when setting the Ref Level if the Select 
>>> control is turned very fast the display just jitters and doesn't change the 
>>> level. But when turned at a very slow rate the level changes appropriately. 
>>> I didn't notice this behavior before I put the KXPA in line.
>>> 
>>> You might try that and let me know what happens.
>>> 
>>> Thanks,
>>> Don, K5DW
>> 
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Re: [Elecraft] KXPA100 Question

[Grant Youngman]

I fiddled with it a bit, and really didn’t notice any major changes in how the 
PX3 controls function.  Not that there aren’t any.

The simple solution is to simply set PA Mode: Off when generally tuning around.

Grant NQ5T
KX3 (8342)/KXPA100


> On Aug 18, 2019, at 5:30 PM, Donald Wines  wrote:
> 
> Grant,
> 
> Something else I've noticed since getting the KXPA100 is the Select knob on 
> the PX3 gets flaky if it's turned too fast. It seems to work fine if you turn 
> it slowly. For instance when setting the Ref Level if the Select control is 
> turned very fast the display just jitters and doesn't change the level. But 
> when turned at a very slow rate the level changes appropriately. I didn't 
> notice this behavior before I put the KXPA in line.
> 
> You might try that and let me know what happens.
> 
> Thanks,
> Don, K5DW
> 

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Re: [Elecraft] KXPA100 Question

[Grant Youngman]

Don …

Thanks.  That answers my question.  You’re right, it’s close enough if you’re 
tuning slowly, but if you try to tune quickly the PX3 cursor doesn’t follow so 
well.

Grant NQ5T
KX3 (8342)/KXPA100


> On Aug 18, 2019, at 4:30 PM, Donald Wines  wrote:
> 
> Grant,
> 
> Don’t know if it’s normal behavior but my setup is exactly like yours and the 
> behavior is the same. Especially noticeable at a high tuning rate. I bought 
> the KXPA100 from an individual but it had never been used, essentially new.
> 
> Don, K5DW
> 
> Sent from my iPad
> 

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[Elecraft] KXPA100 Question

[Grant Youngman]

Just got a shiny new KXPA100.  

I’m using “tight” integration with my KX3.  The one downside I’ve observed is 
that when PA Mode is On, the cursor display on the PX3 gets jerky and doesn’t 
follow well.  It isn’t terrible, just jerky.  I assume this is the result of 
the KXPA adding data load through the PX3.

Can anyone confirm for me if this is normal behavior, or if I should be looking 
elsewhere?

Thanks ..

Grant NQ5T
KX3 (8342)/KXPA100


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Re: [Elecraft] FS: v1.3 Y-Box

[Grant Youngman]

The Y-Box has been sold.

Grant/NQ5T


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[Elecraft] FS: v1.3 Y-Box

[Grant Youngman]

I have an unused as-new Y-Box (v1.3) with one 2.5’ M/M cable for connection to 
the K3/K3S.

$75.00 (Paypal) Shipped CONUS.

Grant NQ5T
K3 #2091, KX3 $8342

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Re: [Elecraft] KX3 ATU not working

[Grant Youngman]

It sounds like you need to contact Elecraft support …

Grant NQ5T
K3 #2091 KX3 #8342

> On Aug 13, 2019, at 6:42 PM, Aaron  wrote:
> 
> For some reason, I could not reply to the mail list.
> 
> The ATU on my KX3 is not tuning. When I hit the tune button I hear the
> relays and the display shows an SWR of 25.4-1
> Here is what I have done so far.
> Under the menu, the ATU MD is set to Auto
> I hooked the KX3 to a dummy load with a good piece of coax and it still
> showed SWR of 25.4-1.
> I opened the KX3 up, removed the batteries, removed the 2-meter
> transverter, and removed the ATU. The cable from J1 to the BNC was well
> connected at both ends.  Upon inspection, I could find no loose cables or
> parts in the rest of the KX3.
> I reassembled everything and I am still getting an SWR of 25.4-1 with the
> dummy load.

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Re: [Elecraft] AX1 Loaded Whip Antenna - Elevation and

[Grant Youngman]

Makes you wonder if the Chinese seller is bonkers or just trolling … ??

Grant NQ5T
K3 #2091 KX3 #8342

> On Aug 8, 2019, at 10:04 AM, Bob McGraw K4TAX  wrote:
> 
> Just seen on E-Bay.  Wow that's some mark-up!
> 
> 73
> 
> Bob, K4TAX
> 
> 
> 
> 
> 
>  
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Re: [Elecraft] K Pod Intermittently Errors

[Grant Youngman]

Of the differences enumerated by Elecraft between the K3 and K3S, processing 
power on the FP board was not one of them.

I find it hard to believe that the problem had anything to do with “processing 
power” in the gentleman’s K3S.  It sounds like there was some other issue with 
his K3 .. and everyone gave up to soon to figure out what it was.

Grant NQ5T
K3 #2091 KX3 #8342

> On Jul 28, 2019, at 3:10 PM, Tom Doligalski via Elecraft 
>  wrote:
> 
> My K3 is even older than yours (#969) but the KPOD worked flawlessly out of 
> the box. 
> 
> Tom W4KX
> 
> Sent from my iPad
> 
>> 
>> Years later I upgraded to a K3S and the same K POD works perfectly.  
>> Apparently my 2013 K3 CPU processing power was not robust enough to support 
>> the K POD fully.  I did not us the XIT/RIT function often and really liked 
>> the tuning and macro buttons so overall I was happy.  
>> 

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[Elecraft] FS: K3/P3

[Grant Youngman]

One more shot here before it goes elsewhere.

Very nice, fully featured K3/100, P3 for sale.  No dings, no scrapes, no dirt.  
(Maybe some dust).  $3395, shipped UPS.

Details and photos are at this link:
https://drive.google.com/file/d/1ejKV67rN9lfuHUoDgHPsd-Zn8SGumkpe/view?usp=sharing

Please respond privately.

Grant NQ5T
K3 #2091 KX3 #8342

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Re: [Elecraft] K4 EXRef

[Grant Youngman]

Great!!

Thanks .. Grant/NQ5T

Sent from my iPhone

> On Jul 24, 2019, at 4:38 PM, Wayne Burdick  wrote:
> 
> Standard. 
> 
> Wayne
> 
> 
> elecraft.com
> 
>> On Jul 24, 2019, at 1:04 PM, Grant Youngman  wrote:
>> 
>> Does anyone know (or perhaps Elecraft could chime in) whether the EXREF 
>> equivalent is a “standard feature” of the K4 or an option?  And if it is an 
>> option, whether it will be available at the time of initial K4 shipments?
>> 
>> Thanks ...
>> Grant NQ5T
>> K3 #2091 KX3 #8342
>> 
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[Elecraft] K4 EXRef

[Grant Youngman]

Does anyone know (or perhaps Elecraft could chime in) whether the EXREF 
equivalent is a “standard feature” of the K4 or an option?  And if it is an 
option, whether it will be available at the time of initial K4 shipments?

Thanks ...
Grant NQ5T
K3 #2091 KX3 #8342

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Re: [Elecraft] Dummy Load recommendation

[Grant Youngman]

As a new ham (1958-9) my "dummy load" was a 60 watt light bulb.  Even made a 
few local contacts with it.  Couldn’t afford anything else.  A good pi-network 
could load most anything, anyway .. :-)

Grant NQ5T
K3 #2091 KX3 #8342

> 
> But as a new young ham (1960's) I bought a cantenna (paint can filled with 
> mineral oil and resistor load immersed) for HF stuff and a Knight-Kit SWR 
> meter.  But as I got older and had more cash I got better stuff.
> 

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Re: [Elecraft] equalizer on k4

[Grant Youngman]

I’m scratching my head.  What’s cumbersome?

Grant NQ5T
K3 #2091 KX3 #8342

> 
> Since the K3 EQs are a little cumbersome to adjust, I wrote a small python
> program a year or two ago:
> 
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Re: [Elecraft] K4 SDR version

[Grant Youngman]

Probably HTML.  Or maybe RTF (don’t know if RTF makes it through or not)

Grant NQ5T
K3 #2091 KX3 #8342

> 
> This is not the first time I've seen an email with zero content, just a
> clause as a subject.  And this is not the first venue I've seen it on.
> 

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Re: [Elecraft] 6kHz Filter Install in K3

[Grant Youngman]

From the manual … (K3S p 85 — same rules apply to K3)

"Rule #2: You can install any filter in any slot, and can leave any slot empty 
in anticipation of installing a crystal filter there later. However, you should 
install the widest filter closest to FL1, the next widest to its left, etc. “

So yes, you should move the filters.


Grant NQ5T
K3 #2091 KX3 #8342

> On Jul 14, 2019, at 11:15 PM, Mike March  wrote:
> 
> I am installing a 6kHz filter in a K3.
> The current filters are in positions FL1, FL2 and FL3.
> Do I need to move the other filters so the 6kHz is in the FL1 position?
> Thanks in advance.
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Re: [Elecraft] Am settings?

[Grant Youngman]

Do you have either the 6 or 13 KHz filter?

If you’re transmitting through the SSB filter, your bandwidth is going to be 
substantially constricted, and may sound pretty muddy.

Grant NQ5T
K3 #2091 KX3 #8342

> On Jul 12, 2019, at 7:07 PM, Frank Krozel  wrote:
> 
> So let me start out by saying I am a CW guy but listen to the AM guys on the 
> weekends.
> Reminds me of when I just got into ham radio back in 1968. They guys were on 
> 1805 here in Chicago area.
> 
> I have not yet bought the 13kHz filter so I am strapped with what I have in 
> it now, stock.
> 
> Can anyone tell me how to set-up the transmit  TX EQ for AM?
> 
> As I understand it, the EQ set-ups are specific for SSB and AM, separately.
> 
> I have SSB set-up where I have presence but just cannot get AM to sound good.
> 
> de Frank KG9H
> 
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Re: [Elecraft] K3S IF signals seen in P3 and NaP3 but nothing heard

[Grant Youngman]

i have never had a problem with TMP cables themselves.  They’ve been in and out 
of my K3 many times doing upgrades, etc.  I HAVE had a problem with my own 
careless installation.

In some socket locations you have to be careful.  You can’t just jam the plug 
in the socket when you feel resistance.  On a few of the sockets (not all), if 
the cable enter pin is slightly misaligned and you keep pushing, you will end 
up displacing the tip end of the socket.  Can’t say that’s what happened here, 
but appropriate care can put off a lot of head scratching and diagnosis time 
later.

Hard lessons learned the hard way .. 

Grant NQ5T
K3 #2091 KX3 #8342

> On Jul 10, 2019, at 12:25 PM, Tom Doligalski via Elecraft 
>  wrote:
> 
> I have had similar problems with the TMP cables. Was tempted to just replace 
> all of them, but everything seems to be working great now!
> 
> Tom W4KX
> 
> Sent from my iPad
> 
>> On Jul 9, 2019, at 8:36 PM, Brian  wrote:
>> 
>> Anyhow, earlier today (a month later ? )  the same thing happened. So before 
>> pulling the receiver board and re-setting it in the pin socket (hoping for a 
>> better connection) I looked at the other hardware connection there.. the two 
>> TMP plugs/sockets. So I took the two cables out with the TMP plugs on them 
>> and reset them twice.
>> Behold, signals heard.
>> 

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Re: [Elecraft] K4

[Grant Youngman]

The operative word is “typo :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On Jul 4, 2019, at 11:18 AM,   
> wrote:
> 
> Wayne,
> 
> May I ask how would I use  direct sampling mode in the K3?
> 
> -Original Message-
> From: elecraft-boun...@mailman.qth.net  On
> Behalf Of Wayne Burdick
> Sent: Wednesday, July 3, 2019 17:34 PM
> To: RALPH TURK 
> Cc: Elecraft Reflector 
> Subject: Re: [Elecraft] K4
> 
> 
>> On Jul 3, 2019, at 7:46 AM, RALPH TURK  wrote:
>> 
>> Will the k4 with Mars software transmit from 1.8 through 30 Mhz with 
>> no band stop like the K3 has at the IF freq?
> 
> The K3 will transmit and receive in the 8 MHz range as long as you're using
> direct sampling mode. The HDR module (in the K4HD model) has an 8 MHz I.F.,
> like a K3, so it would have to be turned off in this case.
> 

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[Elecraft] FS: K3/100, P3 -- Reduced Price

[Grant Youngman]

This is a price reduction on the fully featured and updated K3/100 and P3 I 
posted for sale a few days ago.  Both are in exceptional physical condition.

This K3 has the sub receiver, 2M, VLF on Main receiver, and many other 
features.  The P3 has SVGA and TXMON.

Full configuration details and photos are here:

https://drive.google.com/file/d/1AKXbTvGAVxyH8SP8G3EJ9ADuuWN00lVD/view?usp=sharing

Asking $3400 shipped (UPS Ground, CONUS).  Open to offers.

Please reply off list — ghyoungman at gmail dot com

Grant NQ5T
K3 #2091 KX3 #8342

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[Elecraft] FS: Elecraft K3/P3

[Grant Youngman]

Since I currently have no reasonable solutions for fixed station operation and 
am primarily KX3-portable, I have reluctantly decided to part with my K3 and P3

The K3 is fully featured and updated.  The P3 has both SVGA and TXMON options 
installed.  The K3 was back at Elecraft in October 2018 for a health check and 
it is operating fully to specifications.  Both units are in as-new physical 
condition (well, there might be some dust).

The specifics of the radio, options, updates, etc. can be found here:
https://drive.google.com/file/d/1lOUwAigCL3lXVDASYb9i5BkKFWGFKDsw/view?usp=sharing

Photos are here:
https://flic.kr/s/aHsmEE9gX4

I am asking $4300 including shipping (UPS, CONUS) in Elecraft shipping cartons.

Please respond off-list with questions, interest, etc.

Thanks .. 
Grant NQ5T
K3 #2091 KX3 #8342

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Re: [Elecraft] OT - A Personal Note

[Grant Youngman]

Really sorry to hear that.  Any of us (especially those of us getting up there 
in age) could have troubles hit at any moment.  I’m at the point where I’m just 
glad to wake up every morning … so far.  But I no longer appreciate the things 
my doctor is telling me, especially when he’s using me as a case study for some 
random intern  :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On Jun 12, 2019, at 4:59 PM, Dauer, Edward  wrote:
> 
> 
> Hello All –
> 
> Writing on Day 11 after a severe hemorrhagic stroke, now in the Spalding 
> Rehabilitation Hospital in Denver – a city blessed with more than its share 
> of world-class medical specialization, including Spalding.  Hemmorhage was in 
> the medulla in the brain stem, a place where – by way of crude analogy – much 
> of the final digital to analog neural translation occurs for almost 
> everything left of midline.
> 
> It hit me as I was about to leave for a weekend at my operating QTH.  Two 
> days in a general hospital ER; three in a neural-intensive care unit at the 
> next hospital, where my friend and yours Fred Cady KE7X passed away just a 
> couple of weeks ago; then a transfer here where I am trying to learn how to 
> stand up and walk again.  Fine motor control in left hand is gone – so 
> probably not able at present to send with right fist and turn the Big Knob 
> with the left.
> 

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Re: [Elecraft] K3 Gold Pins

[Grant Youngman]

My #2091 did not have them..   But even if the radio you want to buy doesn’t 
have them, they are not difficult to install, or Elecraft will do it for you.

Grant NQ5T
K3 #2091 KX3 #8342

> On Jun 9, 2019, at 2:37 PM, hawley, charles j jr  
> wrote:
> 
> Mine had them at #4580.
> 
> Chuck KE9UW
> c-haw...@illinois.edu
> 
> Sent from my iPad
> 
>> On Jun 9, 2019, at 1:17 PM, mike stokes  wrote:
>> 
>> I am looking at picking up another K3.  Does anyone know what SN# Elecraft
>> started using the gold plated pins ?  The owner has no idea.
>> 
>> Thanks in advance.
>> 
>> -- 

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Re: [Elecraft] New K1 Kit

[Grant Youngman]

That’s the key, of course. Most don’t have the right tools ... regardless, I 
think it would be a losing proposition since it would require basically 
re-engineering the radio .. 

Grant NQ5T

Sent from my iPhone

> 
> With the right tools building surface mount can be easier than thu hole.
> 
> ---Paul AK1P
> 
>> On 6/6/2019 3:18 PM, Grant Youngman wrote:
>> There probably aren’t more than a handful  of folks who could actually build 
>> an SMD kit of any size without having to send it back to Elecraft to be 
>> built or to fix the mess.
>> 
>> Grant NQ5T
>> K3 #2091 KX3 #8342
>> 
>>> On Jun 6, 2019, at 3:13 PM, Gwen Patton  wrote:
>>> 
>>> I have a decent soldering station, but for SMD beyond a few parts I don't
>>> use a soldering iron. I use an i-Extruder pencil (a stepper-motor powered
>>> syringe dispenser) to apply dots of solder paste to the pads, then tweezers
>>> to pick-and-place the components. If it's a small area, I use my hot air
>>> station to melt the paste and solder the parts. If it's a larger board, I
>>> use a microcontroller-driven heating plate called a ReflowR to precisely
>>> ramp up the heat, melt the paste, and cool it off so as to cause the least
>>> thermal shock to the board or the components.
>>> 
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> 
> 
> ---
> This email has been checked for viruses by AVG.
> https://www.avg.com
> 
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Re: [Elecraft] New K1 Kit

[Grant Youngman]

There probably aren’t more than a handful  of folks who could actually build an 
SMD kit of any size without having to send it back to Elecraft to be built or 
to fix the mess.

Grant NQ5T
K3 #2091 KX3 #8342

> On Jun 6, 2019, at 3:13 PM, Gwen Patton  wrote:
> 
> I have a decent soldering station, but for SMD beyond a few parts I don't
> use a soldering iron. I use an i-Extruder pencil (a stepper-motor powered
> syringe dispenser) to apply dots of solder paste to the pads, then tweezers
> to pick-and-place the components. If it's a small area, I use my hot air
> station to melt the paste and solder the parts. If it's a larger board, I
> use a microcontroller-driven heating plate called a ReflowR to precisely
> ramp up the heat, melt the paste, and cool it off so as to cause the least
> thermal shock to the board or the components.
> 

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Re: [Elecraft] K4 standing on Sherwood's RX list

[Grant Youngman]

Certainly agree.  And you never know — if the K4 has a life-cycle similar to 
the K3/K3S, there may one day be new (affordable) plug-in 24 bit A/D boards 
without having to buy.a whole new radio :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On Jun 6, 2019, at 1:47 PM, Scott Manthe  wrote:
> 
> Where a particular rig lands on "The List" isn't the only consideration. The 
> K4 seems improved in a number of ways beyond its raw performance compared to 
> the K3. It is a more modern design (direct sampling) with the ability to add 
> extra features as needed. I'm not sure I'll be upgrading soon, but the 
> package is a lot nicer and the interface improvements (band stacking, etc.) 
> seem to be a real step forward.
> 

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Re: [Elecraft] K4 standing on Sherwood's RX list

[Grant Youngman]

The way I operate, I’d probably be fine with a DX-20 and SX-99 :-)

Grant NQ5T
K3 #2091 KX3 #8342

> As you can tell, I am no RF engineer but simply a numbers guy
> who is interested in having a better performing rig purely for ego sake
> because the K3 already supplies and outperforms my contesting skills
> significantly.  

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Re: [Elecraft] K4 Beta Testers

[Grant Youngman]

Surely you know better than expecting a beta tester to speak up at this point, 
when the software and features aren’t yet complete.

If there are current beta testers, and If I had been sufficiently “prominent” 
to have been anointed one, i’d have to keep my mouth shut, too.

I think the best option at this point is to just take a really deep breath.  
I’m waiting for the kit version next year — not because I want to save a few 
bucks, but because I want the pleasure of knowing where every screw and 
piece-part goes and won’t be afraid to remove the top cover.

In the meantime, I’m selling mucho stuff piled in my house that I no longer 
use/need so when the kit hits the market I can order a K4HD spouse-guilt free … 
doing pretty well at that, too :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On Jun 5, 2019, at 2:54 PM, Leroy Buller  wrote:
> 
> Are there any K4 Beta Testers out there yet?  If so, can we get reports or
> is that verboten?
> 
> Lee K0WA
> __

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Re: [Elecraft] K4 and Linux Infrastructure

[Grant Youngman]

The Elecraft guys might agree to this after a night of heavy drinking, but I 
doubt that will happen.  You’re right … if it isn’t locked down it would be a 
nightmare for them, and one for the rest of us, too.

Grant NQ5T
K3 #2091 KX3 #8342

> On Jun 3, 2019, at 5:43 PM, Fred Jensen  wrote:
> 
> Jeff:  In addition to the nightmare for Elecraft you point out, can you 
> imagine the traffic load it would create on this list?  "I loaded WSJT-X, 
> HRD, and N1MM+ and now the K4 doesn't work.  What's wrong?" [:-)
> 
> 73,
> Fred ["Skip"] K6DGW
> Sparks NV DM09dn
> Washoe County
> \

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Re: [Elecraft] Handedness

[Grant Youngman]

There actually should be NO difference between the K3 and K3S in this regard …. 

Grant NQ5T
K3 #2091 KX3 #8342

> On Jun 3, 2019, at 2:55 PM, Dave New, N8SBE  wrote:
> 
> My mistake, then.  I moved recently from a K3 to a K3S, and must have
> missed this change in the manual.
> 
> I'll check that out.
> 
> Thanks for the info, and sorry to have come across so strong on the
> list.
> 
> 73,
> 
> -- Dave, N8SBE
> 
>  Original Message 
> Subject: Re: [Elecraft] Handedness
> From: Michael Blake 
> Date: Mon, June 03, 2019 2:45 pm
> To: "Dave New, N8SBE" 
> 
> The K3s does support independent selection of the Bias on/off for the
> front and rear mics.  I have an electret headset plugged into the rear
> and an EV dynamic plugged into the front.  The bias selection remembers
> the on/off option selected for each mic jack.
> Mike - k9JRI

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Re: [Elecraft] K4HD question

[Grant Youngman]

Any of these things you mentioned  might not bother you now BECAUSE you are 
using a K3.

The K4D adds a second A/D chain with dedicated front end filters for whatever 
band the second receiver is tuned to.  Plus diversity reception.

I seem to recall some reference to a “wide-band” mode, which may come in to 
play if the two receivers in the K4 are tuned to widely disparate frequencies 
(e.g., one on 80M, one on 20M).  This could exacerbate the A/D overload issue 
with wide-band direct sampled SDRs.   Wouldn’t be an issue with the K4D.  
Although you might need a K4HD to get to the heat-proof front end you currently 
have with the K3.

Grant NQ5T
K3 #2091 KX3 #8342

> On May 29, 2019, at 3:52 PM, Gary Smith  wrote:
> 
> At this time there are no nearby hams to 
> disrupt my K3s. There are no local AM 
> broadcasters that come in as overload. I 
> do have issues with a few 2nd harmonic 
> stations from the BC band, one for example 
> from S. America on 1.8400. I won't likely 
> be using my K4 at a contest site and I am 
> the only ham in the house.
> 
> With that, is there anything the K4HD 
> offers me Rx-wise, or otherwise, that the 
> K4D does not?
> 

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Re: [Elecraft] Help with K3S upgrades

[Grant Youngman]

What are you going to count?  Beats?

Doing it by ear will be fine.  There’s certainly no reason to send the radio to 
California.

Grant NQ5T
K3 #2091 KX3 #8342

> 
> One thing I'm concerned with is the reference calibration.  Without a good
> frequency counter, I'm using WWV on 15Mhz and using beat cancelation.  My
> ears are pretty good, but no match for a good frequency counter.
> 

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Re: [Elecraft] Elecraft Customer Service - Outstanding

[Grant Youngman]

Since on at least one occasion your unanswered email was discovered in 
Elecraft’s spam folder, it’s possible your email domain is being flagged for 
some reason by whatever mail host/service/application is being used at Elecraft.



Grant NQ5T
K3 #2091 KX3 #8342

> On May 24, 2019, at 3:46 PM, Hisashi T Fujinaka  wrote:
> 
> Oh, one thing I forgot, I did send an email to Eric and Wayne about my
> odd interactions and I got no reply.
> 

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Re: [Elecraft] K144XV issues in K3S - audio distortion and fading signals over time

[Grant Youngman]

Have you double checked all of the connections in and out of the 2M module?  
I’ve found it’s important to remove the transverter’s top cover to do this — 
because it is possible when pushing cables into the female connectors blind, 
even being careful, to actually bend back the business end of the sockets.  I 
don’t remember off hand which two it is, but I’ve had enough problems with them 
that I now support them from the rear with a screwdriver blade when seating 
cables to ensure a solid connection.

Otherwise, it sounds offhand like there’s something bad on the transverter 
board … 

Grant NQ5T
K3 #2091 KX3 #8342

> On May 24, 2019, at 1:28 PM, Hank  wrote:
> 
> 
> OK...here are some test results:
> 
>  - Neither problem occurs on 10m FM 
> 
>  - The output power does also diminish on 2 meters - roughly follows the 
> reception "weakening".  The S-Meter went from 60 over S9 to S8 over the 
> period of 45 minutes and the output power (measured by a Bird WM) fell from 
> 12 watts to below 5.
>  - The audio distorts almost immediately
>  - no testing on 2 meter AM or SSB yet
> 

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Re: [Elecraft] Elecraft K4 - WiFi ability

[Grant Youngman]

There were a couple of comments by Wayne during some pre-announcement 
“speculation” on the K4.  If my memory serves me correctly the discussion was 
around the possibility of there being a Linux machine in the radio.

Presuming there is in fact s Linux machine in the K4, then it is probably 
tasked with managing I/O and networking, in addition to the remote connection 
server, and whatever else.  So there would be a standard OS type available for 
managing thing like a wireless adapter.

Guesswork of course, since (at least in the videos I saw) there was no explicit 
discussion of the network environment in the booth or exactly how the K4 was 
connected to the wireless network.  Wayne did comment that they were using the 
infrastructure installed at the hamfest facility.  But there was clearly a 
wireless connection to the Microsoft table computer, which was running client 
side remote software in a Linux virtual machine.

Eventually, there will be block diagrams of the control/processing structure in 
the radio .. and more will be known.

Grant NQ5T
K3 #2091 KX3 #8342

> 
> 
> this is not good for K4. These products are thought to be manage by operative 
> systems and drivers (like Windows or Mac or Linux), this is not the case of 
> the K4 that have a custom "OS" and can't manage that kind of devices.
> Maybe you can use more complicated and expensive devices thought to be used 
> with RJ-45 ports, 

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Re: [Elecraft] Elecraft IC-7610,

[Grant Youngman]

Weil .. with an Icom you’ll have the privilege and the ultimate enjoyment of 
eventually being sucked in by the next shiny object, and purchasing a 7610XL, 
and 7615, and 1715XL and … and …

With the E’craft, (if history is any indication), you will be able to purchase 
a few boards over time.  Sure,  they’re not free .. but it’s just boards.  And 
you may actually get software updates and new features in the “old” radio.

But I don’t know if that means you should part with your 7610,  You can always 
ask the 756Pro guys what they think (?).   :-)

Clearly I’m biased … 

Grant NQ5T
K3 #2091 KX3 #8342

> On May 20, 2019, at 2:37 PM, David Bunte  wrote:
> 
> Charlie -
> 
> I have not read EVERYTHING in this thread... but I sure don’t recall anyone
> saying you should get rid of your IC-7610.
> 
> Maybe I missed something.
> 
> Dave - K9FN
> 
> On Mon, May 20, 2019 at 12:21 PM  wrote:
> 
>> OK, So why should I dump my IC-7610 for a K4?
>> 
>> The Icom comes standard with dual Rx diversity, and is between 2/3 to 1/2
>> the (proposed) price of the K4.
>> 
>> Hm,  Charlie k3ICH
>> 
>> 
>> 
>> 
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Re: [Elecraft] K4 Observations

[Grant Youngman]

I think your observations are spot on in most respects.

While the basic K4 is certainly going to be a great radio, it will likely NOT 
have the strong signal handling characteristics of the K3/K3S.  There will 
still be the likelihood of A/D clipping suffered by virtually all 16-bit SDRs 
in a high-density RF environment.  And although there is a second receiver it 
appears to be more like a Flex “slice” .. sharing front end filters with the 
main receiver.  In that regard, the K4D will be a great advantage for dual 
receivers in general,  or for diversity.

So by the time you get to the K4HD, you will spend a (I would guess) quite a 
bit more than a K3S for (perhaps improved by a few dB here and there) strong 
signal performance in the the most demanding conditions.

Lot of tradeoffs to be considered … for sure.

I have far more than the current list price in my existing K3 .. I’ve purchased 
several new boards for it over the years as various K3 upgrades and the K3S 
upgrades came out.  So the value it has is as a radio, and not a retirement 
plan.

One way or the other, I’ve set up a K4 piggy bank, in anticipation of the kit 
version next year … but have no plans at all to part with my K3.  It’s too good 
a radio :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On May 18, 2019, at 11:09 PM, Buck  wrote:
> 
> The following is offered based on my observations and discussions at the 
> Elecraft booth.  I am *not* an official, or even unofficial, Elecraft 
> spokesman and stand willing to be corrected.
> 
> First, this is going to be another game-changer from Elecraft.  The radio 
> will have outstanding performance figures and an interface to die for.  The 
> screen is beautiful and functions can be controlled from either buttons or 
> the touch-screen.  There is band-stacking on the touch screen, a nit people 
> have complained about on the K3.
> 
> The radio is full SDR as opposed to the analog front end of the K3. However 
> an option, the K4HD, is a superhet receive function.  Like previous Elecraft 
> radios, this can be added later if you think you need it.  Preliminary is 
> that it will not be necessary unless you operate in the presence of strong 
> stations (multi-multi).
> 
> Another option has a second set of band pass filters and ADC module that will 
> allow the two receivers to operate on different bands or antennas (K4D).
> 
> The radio contains a Linux computer so all this magic does not require an 
> external computer except for logging or audio input. The rig will be 
> addressable locally or over the internet with no additional software.  I saw 
> it operated from an iPad and Android is coming.  The iPad screen looked 
> exactly like the front panel, including the panadapter.
> 
> There are multiple USB ports, an Ethernet port, RS232 and an HDMI port so you 
> can project the front panel, or parts of it, to an external monitor.  The 
> panadapter looks awesome on the external monitor and you will be able to 
> point and click to QSY the radio.
> 
> The prices are targets but I got the impression the final will be very close. 
>  The cost is less than a fully loaded K3s. The kit version will be cheaper 
> than factory-assembled and ship several months later to allow time to write 
> the assembly manual.  Target for the factory version is November.
> 
> I suspect the K4 will replace the K3 series as K3s sales are sure to suffer 
> because of product age and competition from the K4.  I did not hear any talk 
> about sun-setting the K3s when the K4 comes out.  I am sure there are many 
> people who will want to buy the basic K3s and upgrade over time (or not) 
> rather than plunk down $4,000 for the K4.
> 
> What does this do to the value of a K3 or K3s?  I expect there will be some 
> coming on the market.  Anyone who buys, or retains, a K3 or K3s will still 
> have one of the finest radios ever made.  We are at the point where the 
> difference among the top 5 or so on Sherwood's charts is a decibel or two, 
> almost within the margin of error and certainly beyond the ability of the 
> human ear to discern.  So, don't panic.  The demand for the K3 series will be 
> strong for many years to come.
> 
> Keep an eye on the website as more information comes from Watsonville.
> 
> 
> -- 
> Buck, k4ia
> Honor Roll
> 8BDXCC
> EasyWayHamBooks.com
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Re: [Elecraft] SP4

[Grant Youngman]

Since it would likely be a switcher to fit in the space — it is a great idea as 
long as it’s absolutely, positively, DEAD QUIET.

I live in a townhome, and am forced by geography to have antennas which aren’t 
200' out in the back 40 (since I no longer have a back 40) on sky needles 
(which are DOA by default).  Switchers of all ilks have been a problem even 
when weighed down by multiple toroids everywhere.   I finally gave up and 
recently went back to a linear supply. And yes, it’s about the same size as the 
radio … but it IS quiet :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On May 18, 2019, at 3:18 PM, Dauer, Edward  wrote:
> 
> Just before the weekend and its major news, I think it was Eric or maybe it 
> was Wayne, or maybe someone else, asked if there was any interest in having 
> an SP4 with a 13 VDC supply inside.  If the supply were sufficient to run the 
> transceiver and have an amp or two left over for other accessories, then yes, 
> it would definitely interest me.
> 

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Re: [Elecraft] K4 and Predistortion

[Grant Youngman]

There is an input on the real panel for a “sample” from an RF amp.  No 
indication that I’ve seen yet on the purpose of this input.  

I suspect it may be a while before all is revealed .. :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On May 18, 2019, at 12:42 PM, Bob McGraw K4TAX  wrote:
> 
> Tongue and cheek, .from what I hear on the bands, pre-distortion 
> starts with mostly that which comes out of the operators mouth.  Electronics 
> won't improve this artifact.
> 
> 73
> 
> Bob, K4TAX
> 
> 
> On 5/18/2019 11:35 AM, Roger wrote:
>> As there is a lot of buzz going around with the announced K4 and I have seen
>> 1 or 2 messages on this reflector that referred to "Predistortion" I wonder
>> if there is any further detail on that. I probably fall out of the regular
>> scheme as I couldn´t care less about the ability for remote control and
>> another 10 USB ports rather than predistortion. FLEX is using the customer
>> request for more remote control possibilities and more USB ports to hold
>> their 5 or 6 years ago announced predistortion on standby - at least that is
>> what they say. With the radios receiverwise reaching the physical limits it
>> now is time to pull up the transmitter side to the state of the art as well.
>> Regarding transmit IMD  we are still in the 70s or 80s and sometimes even
>> worse than that therefore no progress has been made the last 40 to 50 years!
>> 
>> So is there any deadline (vague or not) when predistortion will be
>> implemented?
>> 
>> 73s Roger, DL5RBW
>> 

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Re: [Elecraft] Kx3 Tone being received by nearby receivers

[Grant Youngman]

Also, you have to have TECH MD turned on to see this entry.

Grant NQ5T
K3 #2091 KX3 #8342

> On May 17, 2019, at 9:37 PM, Grant Youngman  wrote:
> 
> look at the menu parameter “RX ISO” and set it to ON.
> 
> Grant NQ5T
> K3 #2091 KX3 #8342
> 
>> On May 17, 2019, at 9:15 PM, vk6ea  wrote:
>> 
>> Hi Folks
>> 
>> While tuning the KX3 through frequencies that other receivers are tuned to
>> in the shack, a tone similar to the kx3 sidetone is being picked up by those
>> receivers (ts480HX and an FT2000).
>> 
>> Anyone have the same issue? haven't noticed this before at this end.
>> 
> 

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Re: [Elecraft] Kx3 Tone being received by nearby receivers

[Grant Youngman]

look at the menu parameter “RX ISO” and set it to ON.

Grant NQ5T
K3 #2091 KX3 #8342

> On May 17, 2019, at 9:15 PM, vk6ea  wrote:
> 
> Hi Folks
> 
> While tuning the KX3 through frequencies that other receivers are tuned to
> in the shack, a tone similar to the kx3 sidetone is being picked up by those
> receivers (ts480HX and an FT2000).
> 
> Anyone have the same issue? haven't noticed this before at this end.
> 

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Re: [Elecraft] Quandary - Anyone Seriously Considering the Alternative to the K4?

[Grant Youngman]

I think it’s too early to tell.  The really interesting radio in the K4 series 
is the K4HD .. so the question for me becomes the HD performance versus the 
basic K4/K4D SDR, and of course, compared to the rest of the field.

(Although if I decide to purchase yet another in my series of “last this-is-it 
retirement” radios, it's unlikely to be anything but Elecraft)

Grant NQ5T
K3 #2091 KX3 #8342

> On May 17, 2019, at 11:45 AM, Kevin, N4TT  wrote:
> 
> Hi:
> 
> I plan to drop my use of Flex radios this year. Until yesterday, I had the
> new FTdx-101 and a K3S in mind but I'm not in a big rush and was hoping the
> rumors of a K4 would turn out to be true. Have to admit, I'm surprised by
> how fast it was announced.
> 
> So I'm wondering what other people might be thinking about what seems to be
> two or three great options (Ftdx, K3S, K4). We can do this by direct mail
> if you like as I don't want to turn this into something it isn't meant to
> be. I'm just looking for other hams that might be thinking on the same
> options and maybe want to bounce some ideas around.
> 
> My goal is a purchase by March 2020 but by the end of the year if I can
> pull it off. I'll have a 6500, 6700 and Maestro to offset the costs. I have
> a KX3 I'll be keeping for days in the fresh air.
> 
> 73,
> Kev N4TT

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Re: [Elecraft] Photos of K4 prototypes

[Grant Youngman]

Yes, that’s what it would be.  Just commenting that it may be an option and not 
part of the basic radio.

Grant NQ5T
K3 #2091 KX3 #8342

> On May 17, 2019, at 11:39 AM, Kevin Cozens  wrote:
> 
> On 2019-05-17 9:54 a.m., Grant Youngman wrote:
>> I noticed the "REF IN" connection has a hole plug in it.  I wonder if this 
>> means it’s an add-on option?
> 
> Hm... Possibly a future input for a 10 Mhz external frequency standard signal?
> 

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Re: [Elecraft] Photos of K4 prototypes

[Grant Youngman]

I noticed the "REF IN" connection has a hole plug in it.  I wonder if this 
means it’s an add-on option?

I guess all will be known in good time. :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On May 17, 2019, at 9:50 AM, T Witherspoon  wrote:
> 
> Hi, Group,
> 
> Elecraft kindly allowed me to take some photos of the K4 prior to the open
> of Hamvention today.
> 

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Re: [Elecraft] Elecraft K4?

[Grant Youngman]

You have to know know that the 50lb bigger-than-a-breadbox (radios that come 
with caster wheels instead of a carrying handle) guys aren’t going to be happy 
…  :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On May 16, 2019, at 4:15 PM, Wayne Burdick  wrote:
> 
> turnbull  wrote:
>> 
>> No need for separate P3 so overall station smaller. 
> 
> Yes, by about 4” (horizontal). 
> 
> 

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Re: [Elecraft] Elecraft K4?

[Grant Youngman]

And pre-order quit working ..

Looks like someone let the cat out of the bag a bit too soon ..

Grant NQ5T
K3 #2091 KX3 #8342

> On May 16, 2019, at 2:31 PM, Peter Pauly  wrote:
> 
> They just took the web page down.
> 
> On Thu, May 16, 2019 at 6:16 PM Richard Thorne  wrote:
> 

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Re: [Elecraft] No CW side tone with KX2

[Grant Youngman]

Do you have the MON (monitor) gain turned up?

Grant NQ5T
K3 #2091 KX3 #8342

> On May 9, 2019, at 10:59 AM, Lin ingram  wrote:
> 
> Hi folks, new KX2 owner here.  Have been working for several days to get 
> familiar and operating the KX2.  Have been trying to use as CW practice per 
> the manual prior to trying first QSO but I am not hearing a side tone.
> 
> I am using an external key and when I key it “breaks squelch” but I’m not 
> hearing the tone.
> 
> Any ideas will be helpful..  thank you and 73s.
> 
> Lin Ingram
> WN4BIY
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Re: [Elecraft] Prospective K4

[Grant Youngman]

>> 
>> But Flex messed with the firmware to where if you were in full QSK mode and 
>> used the internal ATU a loud relay would start clicking when sending CW 
>> characters,  messing with the normally quiet QSK changeover from RX to TX.
>> 

Lousy QSK makes it a non-starter.  Flex has always had issues with CW — QSK 
with too much latency to work to, now, clunky QSK?  And the Sun looks nice, but 
I would never buy a radio hanging its hat  on Microsoft, especially on Windows 
10.

On buying that last retirement radio — I bought an Orion as my retirement 
radio.  Then I bought an Orion II as my absolute last upgrade.  Then I bought a 
well-appointed K3.  It never really ends :-)

A “breathtaking" display doesn’t necessarily make a radio any better.  I guess 
if I'd come up in the iPhone generation I’d think differently about that.  But 
we’ll see — a K4 would have to be a markedly better RADIO first.

Grant NQ5T
K3 #2091 KX3 #8342


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Re: [Elecraft] No Pwr out 20M

[Grant Youngman]

Sounds like you might have inadvertently changed the antenna selection — e.g., 
ANT 2 when your antenna is on ANT 1.

Grant NQ5T
K3 #2091 KX3 #8342

> On Apr 28, 2019, at 8:01 PM, Jim Kennedy  wrote:
> 
> Hi all, I'm new to the list. Just turned on my K3 and noticed I have no power 
> out on 20 meters. I have performed all the normal trouble shooting stuff. The 
> transmitter is fine on all other bands and has normal 100w output on a Bird 
> 43 and Bird dummy load. It makes no difference if the rig is in bypass or 
> ATU. It flashes HI SWR. I also put it on one of my antennas on another band 
> and the tuner performed as it should. I suspect the ATU has gone wacky but 
> wanted to consult here just on the off chance I may have missed something. 
> Any input would be appreciated before I take a deep dive into the tuner. 
> Thanks in advance for any help. 
> 
> Jim 
> W7OUU 

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Re: [Elecraft] K3 - DVR installation question

[Grant Youngman]

It’s fairly involved to add after the fact.  Not difficult — but considerably 
more than “pull the cover, plug it in”.

https://ftp.elecraft.com/K3S/Manuals%20Downloads/E740130%20KDVR3%20Option%20Installation%20Rev%20C.pdf

Grant NQ5T
K3 #2091 KX3 #8342

> On Apr 26, 2019, at 9:19 AM, Bill  wrote:
> 
> What is entailed in installing a DVR into the K3? Sadly, I have to Move the 
> KPA-500 and a PalStar manual (large) tuner before I can even get to the K3, 
> For me, this is a big job. So thought I'd ask before I blindly jump into this.
> 
> Bill W2BLC
> 

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Re: [Elecraft] K3S Audio buzz on transmit, especially AM

[Grant Youngman]

Microphone?  Or anything in between the mic and the radio, if there is anything?

Grant NQ5T
K3 #2091 KX3 #8342

> 
> 
> Any other ideas?  I'm running out of them.
> 
>   Nick
> 
> -- 
> *N6OL*
> Saying something doesn't make it true.  Belief in something doesn't make it
> real. And if you have to lie to support a position, that position is not
> worth supporting.
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Re: [Elecraft] Suggested enhancements for K3

[Grant Youngman]

I suppose that would be useful, as long as it didn’t beep at you incessantly 
every time an internal ATU cycle was run.

But If I had to reach around to use an external matchbox and didn’t have a 
visual indication of SWR while trying to do that, I think I’d rearrange my 
station :-)  Trying to tune a matchbox with nothing but a digital readout 
(rather than an analog meter indication) is a hair-pulling PITA anyway.


Grant NQ5T
K3 #2091 KX3 #8342

> On Apr 5, 2019, at 12:25 PM, Drew AF2Z  wrote:
> 
> I have also thought that an audible SWR indicator would be very useful but 
> never bothered to mention it as most would probably consider it to be a 
> little too gimmicky. But it would be quite handy for me when I'm using an 
> external match box-- when I lean across the desk to adjust it I can no longer 
> easily see the little SWR meter indicator in the K3 display.
> 
> I'd suggest a "geiger counter" type audible indicator: a fast beep  for SWR 
> values greter than 3:1 and progressively slower as you zero in on 1:1.
> 

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Re: [Elecraft] Macintosh version of Elecraft KX3 Utility

[Grant Youngman]

It’s kind of the way things go.  I’d like to be able to run some 8-bit Z-80 
apps I wrote in the 1970’s (in FORTH) without pulling my old Digital Group 
system out of the attic,  but I can’t.

Developers need to keep up.  I imagine that the Elecraft macOS apps will show 
up as 64-bit compatible at some point, too.If not, Elecraft will alienate a 
(arguable small, perhaps) subset of their users, and I doubt that will happen.

Grant NQ5T (Windows free for as long as I can remember)
K3 #2091 KX3 #8342

> On Mar 27, 2019, at 4:43 PM, Bill Frantz  wrote:
> 
> Apple plans to not support 32 bit applications with the next major release of 
> MacOS. This change will hit a number of ham radio applications as well as the 
> Elecraft utilities.
> 
> My favorite program for SO2V RTTY, cocoaModem is one of them, and there is no 
> formal support for it, and the available sources won't build under the modern 
> MacOS development environment.
> 
> I'm hoping for a miracle.
> 

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Re: [Elecraft] K4?

[Grant Youngman]

It is of some note that (except for a niggle here or there including the 
elimination of all possible noise — good luck with that) there hasn’t been much 
said about basic performance of the radio.  That’s for good reason.

I would like to see a feature that would eliminate all “shouting at the K3” 
anytime one’s attached Windows-something computer running 15 ham radio apps 
gets confused and can’t talk to the radio or screws something up :-) 

Most of the feature requests seem to be related to contesting or remote 
operation or the furthering of the evolutionary enhancement of the index finger 
— but not being a gamer myself, I’m perfectly happy with a radio being just a … 
ah … um … compact, lightweight, transportable (and portable) high performance 
radio.  Bogged down into a larger and heavier box? — not so much.  I replaced 
several of those larger, heavier, and perfectly adequate boxes with a K3 for a 
reason.  It would be hard to go back.

Now, all that might change if the new one was truly “spectacular” and made the 
K3 look like a DX-20 by comparison — the right radio could be better than food 
on the table :-). And I do like the EER idea.

Grant NQ5T
K3 #2091 KX3 #8342

> On Mar 25, 2019, at 2:35 PM, W2xj  wrote:
> 
> I’ve read a lot of interesting ideas relating mostly to features. Here are 
> some cutting (or should I say bleeding) edge ideas.
> 
> The most radical would be to eliminate linear amplification on transmit. 
> Instead, go with a class E design and in DSP generate EER compatible signals. 
> This is how very high powered commercial transmitters do SSB but any waveform 
> can be generated that way. Efficiency goes to nearly 90% as opposed to less 
> than 50% for a linear. IMD can be lower than -80 db while power consumption 
> is reduced and there is less heat to remove. This would be a radical 
> departure from the competition and work well in portable operation. 
> 

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Re: [Elecraft] Mic Noise

[Grant Youngman]

Not sure about the Heil, but the MH4 requires Bias to be ON.


Grant NQ5T
K3 #2091 KX3 #8342

> On Mar 16, 2019, at 4:24 PM, Buck  wrote:
> 
> Thanks.  I was using a Heil Goldline and also tried an Elecraft MH4 plugged 
> in the front.  I get the same noise on FP.L and FP.H  Bias is off.  And, I 
> still get the noise even when in TEST mode, so there is no RF.
> 
> I had the Tx Dly on the K3S set to 8.  I set it to 15 and the problem went 
> away.  Was I hitting the amp too soon?  Amp is a KPA500.
> 
> Now the problem is back, even with the Tx Dly set to 20.
> 
> 

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Re: [Elecraft] 80m KPA1500 High reflected power problems

[Grant Youngman]

Great info. Thanks, Jim …

Grant NQ5T
K3 #2091 KX3 #8342

> 
> I've recently completed a year's worth of extensive lab work that has 
> convinced me that #43 is NOT a good material for HF chokes. Ditto for the #52 
> material that G3TXQ recommended. Two characteristics combine to make it a 
> poor choice. First, it's a relatively high Q material, so the resonance it 
> produces can get very narrow. Second, like all Fair-Rite parts, it's a wide 
> tolerance part -- +/- 20%.  A part at the low end of the tolerance range will 
> produce a very different choke (resonance in the wrong place, very narrow 
> bandwidth, wider resonance and not high enough impedance.
> 

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Re: [Elecraft] 80m KPA1500 High reflected power problems

[Grant Youngman]

Don’t overlook any F-F connector’s in the system.  The first time I hit my 
Hexbeam with the legal limit, the F-F connector joining my feed line to the 
antenna connection stub arced over.  It had always been fine at low power, but 
was a fester find that turned out not to be a bargain.  It was completely 
cooked.  Fortunately, my SWR bridge tripped off the transmit line on high SWR. 
Probably at some high but lower power level it would have only sporadically 
arced creating a much more fun diagnosis problem.

Grant NQ5T
K3 #2091 KX3 #8342

> On Mar 9, 2019, at 2:09 PM, Jamie WW3S  wrote:
> 
> Any cheap bulkhead connectors in the feed? I just got burnt by one on my 
> radial plate
> 
> Sent from my Verizon Motorola Smartphone
> On Mar 9, 2019 2:04 PM, Don Wilhelm  wrote:
>> 

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Re: [Elecraft] [K3] questions about using a sub-receiver

[Grant Youngman]

Just to clarify.  The “yes” answers apply to the questions you posed, not the 
negative which immediately follows.

Grant NQ5T
K3 #2091 KX3 #8342

> On Mar 5, 2019, at 9:38 PM, Grant Youngman  wrote:
> 
> 
> 
>> On Mar 5, 2019, at 8:57 PM, Robert G Strickland via Elecraft 
>>  wrote:
>> 
>> If/when I install a sub-receiver in my K3 [SN 6232] will I be able to hear 
>> each receiver separately in each side of my stereo headphones? If so, ok. If 
>> not, is there some way/work around to make this possible?
> 
> Yes 
> 
>> 
>> Is the DSP of the basic radio able to have two concurrent settings, one for 
>> each of the receivers? Or, does each receiver have to share the same 
>> settings?
> 
> The sub receiver is independent.  Sub and main do not have to match.
> 
>> 
>> The same question concerning crystal filters: can one receiver be using its 
>> narrow filter while the other receiver uses a wide filter? Or, do the filter 
>> selections track each other between the two receivers?
>> 
> 
> Yes
> 
> Grant NQ5T
> K3 #2091 KX3 #8342
> 

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Re: [Elecraft] [K3] questions about using a sub-receiver

[Grant Youngman]

> On Mar 5, 2019, at 8:57 PM, Robert G Strickland via Elecraft 
>  wrote:
> 
> If/when I install a sub-receiver in my K3 [SN 6232] will I be able to hear 
> each receiver separately in each side of my stereo headphones? If so, ok. If 
> not, is there some way/work around to make this possible?

Yes 

> 
> Is the DSP of the basic radio able to have two concurrent settings, one for 
> each of the receivers? Or, does each receiver have to share the same settings?

The sub receiver is independent.  Sub and main do not have to match.

> 
> The same question concerning crystal filters: can one receiver be using its 
> narrow filter while the other receiver uses a wide filter? Or, do the filter 
> selections track each other between the two receivers?
> 

Yes

Grant NQ5T
K3 #2091 KX3 #8342

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Re: [Elecraft] KPA 500 - Can you use it on AM?

[Grant Youngman]

No reason why not.  If it were me, I’d keep the unmodulated carrier out to 
around 90-100 W to allow for some headroom.  There’s no reason to push it past 
that.

Grant NQ5T
K3 #2091 KX3 #8342

> On Feb 27, 2019, at 9:20 PM, Mike Lichtman via Elecraft 
>  wrote:
> 
> I know the KPA 500 is designed for SSB and CW, but I have always wondered if 
> you can use a KPA500 on AM and, if so, what would be the maximum wattage you 
> should use? The manual
> doesn’t say anything about it.  73 Mike KF6KXG
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Re: [Elecraft] KFL3C-400 offset?

[Grant Youngman]

Just an opine.  Since these are ROOFING filters, and not the means of 
determining the radio’s ultimate selectivity, you may not notice a substantial 
performance improvement of the radio with 8-pole vs 6-pole filters.

I have my flame suit on, just in case — (it can be almost guaranteed to be 
needed around here).  :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On Feb 27, 2019, at 12:33 PM, Carl Jón Denbow  wrote:
> 
> To put a wrapper on this thread: I ended up ordering two 400Hz filter direct 
> from Inrad.  They had them clearly marked as eight pole and said they were 
> mount-compatible with the K3.   I had email exchanges with K3 support, most 
> of which were helpful, but the question about a KFL3C-400 eight-pole filter 
> went unanswered.  They seem to have a problem in this area.  Not exactly sure 
> why.  Uncharacteristic.   So, I have two 6-pole 400Hz filters for sale!  You 
> can find an ad for them on qth.com: 
> https://swap.qth.com/search-results.php?keywords=n8vz&fieldtosearch=call
> 

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Re: [Elecraft] Bodnar GPS Question

[Grant Youngman]

Thanks everyone for the replies.  I set it to the lowest output level (8 dB), 
and it appears to be working just fine.  

Grant NQ5T
K3 #2091 KX3 #8342

> On Feb 14, 2019, at 2:36 PM, Dave Van Wallaghen  wrote:
> 
> Grant,
> 
> I just bought one of those a few months ago. I don't have it in front of me, 
> but as I remember, the default output from the Bodnar unit was exactly in 
> range of what is required by the K3. I didn't have to change anything in the 
> setup to get it working correctly with my K3.
> 
> HTH
> 
> 73,
> Dave W8FGU
> 
> On 2/14/2019 1:35:59 PM, "Grant Youngman"  wrote:
> 
>> To reduce the overall footprint of “stuff” around here, I’ve purchased a 
>> Bodnar GPS to replace a Trimble Thunderbolt, open frame power supply, and 
>> status display for use with my K3.
>> 
>> Is there a recommended output level from the Bodnar for the K3?  it seems 
>> the lowest level should work ok, but just checking in case I don’t 
>> understand something .. which is probably more likely than not.
>> 
>> 
>> Grant NQ5T
>> K3 #2091 KX3 #8342
>> 

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[Elecraft] Bodnar GPS Question

[Grant Youngman]

To reduce the overall footprint of “stuff” around here, I’ve purchased a Bodnar 
GPS to replace a Trimble Thunderbolt, open frame power supply, and status 
display for use with my K3.

Is there a recommended output level from the Bodnar for the K3?  it seems the 
lowest level should work ok, but just checking in case I don’t understand 
something .. which is probably more likely than not.


Grant NQ5T
K3 #2091 KX3 #8342

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Re: [Elecraft] K3S boom mic ensemble options.

[Grant Youngman]

Same here.  Most of the spring loaded “booms” sold for the ham market are pure 
junk — wimpy springs, fall apart, basically cheap lampshade holders.

Grant NQ5T
K3 #2091 KX3 #8342

> On Feb 9, 2019, at 8:34 PM, hawley, charles j jr  
> wrote:
> 
> In that case, I have used one of these for a decade or more. It supports up 
> to 8 pounds and doesn't make noises when you move it with a live mic.
> 
> https://www.bswusa.com/Microphone-Booms-OC-White-51900BLK-P4184.aspx
> 

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Re: [Elecraft] KX3 issue

[Grant Youngman]

Do you have mic bias turned on?


Grant NQ5T
K3 #2091 KX3 #8342

> On Feb 6, 2019, at 7:37 AM,   wrote:
> 
> Yesterday I tried to use it on 10M SSB and was getting no audio indication on 
> the level meter. Tried it on AM and FM with same results. When I got home I 
> tried the MH3 Mic on my KX2 and it worked perfectly.
> I glanced through my "quick reference" ( it didn't come with the manual when 
> I bought it" and didnt see anything obvious about turning the audio on or off.
> Any ideas fellers?

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Re: [Elecraft] [KX3] Urban stealth HF: Inside-the-backpack loop antenna?

[Grant Youngman]

It might be useful to read W8JI’s take on the E/H antenna … 
https://www.w8ji.com/e-h_antenna.htm 

Grant NQ5T
K3 #2091 KX3 #8342

> On Jan 23, 2019, at 10:07 PM, Wayne Burdick  wrote:
> 
> That might fit. Maybe something a little shorter, say 18". 
> 
> Can it be used with just 2 feet of coax? What's the bandwidth? How does it 
> compare to a 3' loop or a 4' whip?
> 
> Wayne
> N6KR
> 
> 

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Re: [Elecraft] Urban stealth HF: Inside-the-backpack loop antenna?

[Grant Youngman]

Yes, it does not have to be round.  The actual measurement of interest is 
Circumference of whatever shape it is (e.g, the total length of the radiator).  
A 12” loop or square, or whatever,  is still going to have a very low 
efficiency at this size point.  But closer to rounder is better … 

Grant NQ5T
K3 #2091 KX3 #8342

> On Jan 22, 2019, at 4:51 PM, K9MA  wrote:
> 
> On 1/22/2019 15:46, Grant Youngman wrote:
>> The problem is loop diameter.
> 
> It doesn't have to be round.
> 
> 73,
> 
> Scott K9MA
> 
> 
> -- 

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Re: [Elecraft] Urban stealth HF: Inside-the-backpack loop antenna?

[Grant Youngman]

The problem is loop diameter.  Efficiency on 20m of a 12” diameter loop would 
be on the order of 5%. Forget it entirely on 40m .. essentially a dummy load 
that would take around 1200 pf to resonate. On 17m efficiency would go up to 
around 11%. 

I use a loop portable all the time (Alexloop, W4OP) and they work well. They’re 
both about 3 ft in diameter. The Alexloop is light enough to be carried around 
hand held ... the W4OP needs a table top or tripod. 

Grant NQ5T

Sent from my iPhone

> On Jan 22, 2019, at 3:57 PM, Wayne Burdick  wrote:
> 
> 
> 
> So, just for grins, I’d like to try something completely incognerdo: no 
> visible antenna. A small remotely tuned loop (say 12” diameter) would seem to 
> be the best choice, as it would fit entirely inside a small backpack. It 
> could have  modest efficiency while not requiring a counterpoise wire. Rigid 
> 1” copper pipe formed in a square would be convenient to deploy. 
> 
> The loop would be only 6 to 8” from soft tissue, so you’d want to run QRP, of 
> course.  OTOH, we’re talking about HF. A cellphone by your ear is probably 
> worse. 
> 
> Any other antenna suggestions?
> 
> Wayne
> 
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Re: [Elecraft] K3 SWR Anomaly

[Grant Youngman]

The revised KAT3A has a hard bypass with relays.  The KAT3 does a “soft” bypass 
by placing the tuning network in some kind of neutral position.

I don’t know what the KAT3 actually does to achieve this, but is it possible 
this is somehow related to the anomaly you are seeing?  With the KAT3 in  
“neutral” (whatever that actually means), since the SWR bridge sits between the 
KPA3 output and the KAT3 input, maybe that’s something to look at — or at least 
get more info from Elecraft about how it works and if that might be related.

Grant NQ5T
K3 #2091 KX3 #8342

> On Jan 21, 2019, at 8:34 AM, Ed G  wrote:
> 
> Hi Barry,
> I think what I am seeing is related to your experience. I ran through 
> some additional testing. I see perhaps some slight differences between ANT1 
> and ANT2 positions as far as SWR readings, but nothing significant, at least 
> on 40 meters.
> I do now see something I’m even more puzzled over. While collecting SWR 
> readings into a dummy load on 10 meters, I initially did see a high (2.0:1) 
> reading on the K3 meter. I switched in the K3 tuner, and brought the SWR down 
> to 1:1.  But when I then bypassed the tuner, the low 1:1 SWR remained.  This 
> was true for either ANT1 or ANT2.  I really don’t understand that.
> So back to 40 meters, where I first noticed the high SWR anomaly. I 
> thought I would try the tuner again, and then bypass it, to see if SWR would 
> stay low on the K3 meter as it did on 10 meters.  It did not.  So I still 
> have the anomaly on 40 meters, and it is the same on either ANT1 or ANT2 
> positions.  
> To summarize:
> 1.  SWR using a dummy load on 40 meters remains constant using an external 
> LP-100A meter, but varies greatly using the K3 meter. As you tune up in 
> frequency on the 40 meter band, the SWR on the K3 meter rises to almost 3:1, 
> and the K3 output power drops back significantly. 
> 2. Antenna tuner settings appear to “stick” on 10 meters, even when the tuner 
> is bypassed.
> 
> I believe some users, assuming there are others that have K3s which would 
> exhibit this behavior, may not have noticed this anomaly. I do believe it may 
> be responsible for what some users have noticed when using their K3 with an 
> amp such as the KPA1500. That is, power overshoot. I suspect the K3, at least 
> for me on 40 meters, is folding back power in response to a false SWR 
> reading, and this can be seen in how the KPA1500 amp correspondingly drops 
> back in power as the user transmits.  That is perhaps why (again, for my 
> situation) I see the power overshoot only on 40 meters when using my KPA1500.
> --Ed—
> 

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Re: [Elecraft] Battery Low K3

[Grant Youngman]

I’ve never seen one leak, either.  CR2032 batteries are ubiquitous.  My car 
fobs, various other electronic remotes, my memory keyer,  portable calculator, 
gate and garage door openers, and several other odd bits around the house use 
them and others of the same chemistry but different physical size) all over the 
place.  I have allowed to sit in their devices unused for years.

Maybe I live a charmed life, but I have NEVER seen one “leak” and destroy 
something.  (Wish I could say that about AAA Duracells, which were designed 
specifically to destroy whatever you put them in).  I don’t think 
how-ever-many-thousand K3 radios out there need to be opened up, the 2m module 
removed, the 2nd receiver module removed, just to make sure the battery isn’t 
leaking.  Of course I don’t use the Cute Kitty (or whatever) brand battery from 
the cheap imported junk store, either.

There’s a tendency to unnecessarily generate a sense of panic over everything …

Grant NQ5T
K3 #2091 KX3 #8342

> On Jan 15, 2019, at 12:37 PM, Keith Trinity WE6R  wrote:
> 
> However, I have never seen one leak in the thousands of K3's I have worked on.
> I have only replaced the battery upon request as I have never seen one 
> actually be dead.
> 

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Re: [Elecraft] KPA500 & Drake TR7

[Grant Youngman]

As an aside on the TR-7 (one of my all-time favorite radios), Drake generally 
limiting output power to about 120W (adjusted on 20M) to keep the PA healthy 
long term.  While the PA is capable of 150-200W output, it was certainly not 
recommended. 

As to cooling, there was an optional fan to cool the PA for modes with high 
duty cycle (RTTY, etc).

Grant NQ5T
K3 #2091 KX3 #8342

> On Jan 13, 2019, at 2:14 PM, ab2tc  wrote:
> 
> Hi again,
> 
> True, but the TR7 is all solid state, including the finals. See here:
> 
> http://www.wb4hfn.com/DRAKE/DrakeArticles/InsideTheTR7/Inside_The_TR7-01.htm
> 
> According to that article Drake claims 130-150W output for bands at above
> 20m and 60-100W on 80-15m.
> 
> Boy, is that transceiver ever jam-packed! Wonder how it does cooling-wise.
> 
> AB2TC - Knut
> 

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Re: [Elecraft] Battery Low K3

[Grant Youngman]

Actually it does.  I think it keeps the clock running … 

Grant NQ5T
K3 #2091 KX3 #8342

> 
> 
> I assume you mean the KX3.  The K3 has no internal battery.
> 

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Re: [Elecraft] New DSP features? ... thanks

[Grant Youngman]

I love that one. Along the same lines, a broad brick-wall notch that 
auto-detects the recurring clown show on 7200 KHz would be a welcome addition 
... especially if it could auto-suppress music.

Sent from my iPhone

> 
> My favorite so far is the request for Semantic Filtering Mode (SFM), which 
> "might, with skillful adjustment, suppress political commentary from 75 
> meters." Our DSP IC does include odd/even partisan check bits, so this is a 
> SMOP.
> 
> 
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Re: [Elecraft] whats a updated K3 called?

[Grant Youngman]

Except, it doesn’t actually MEAN anything.  Unless you’ve been living in a cave 
since you bought one, almost every K3 is “upgraded” to some extent.  It doesn’t 
solve the basic problem — a K3 (or even  K3S to a lesser extent) needs to 
specify precisely (1) what published mods have been installed, (2) what factory 
mods have been installed, and (3) what options it contains.

I’d certainly never buy someone’s K3U thing without that information … with a 
“U” or not.

This is just nuts … 

Grant NQ5T
K3 #2091 KX3 #8342

> 
> But K3U is simple and, if adopted by this group, probably will "stick"!
> 

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Re: [Elecraft] whats a updated K3 called?

[Grant Youngman]

Couldn’t agree more.  I’ll wager there is at least one early K3 out there with 
a new synthesizer board and none of the published K3 updates installed.  Sure 
.. it’s “upgraded”, but what is it?

The whole “I have a K3S and you have a mere K3” bit of puffery going around is 
just … well … puffery :-)

Grant NQ5T
K3 #2091 KX3 #8342

> On Jan 11, 2019, at 9:31 AM, Don Wilhelm  wrote:
> 
> All this is fun and good, but if you are selling it, it needs to be listed as 
> a K3 SN  with the specific upgrades enumerated - so the buyer knows what 
> he is buying.
> 
> I have run into this problem many, many times with the early K2s - they are 
> listed as being upgraded, only to find out (for instance) that only the 
> firmware has been changed while the A to B upgrades have not been installed.
> What upgraded means to one person does not equal the perception of another 
> person.
> 
> 73,
> Don W3FPR
> 

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