[Elecraft] Sherwood Receiver Tests

[Richard Donner]

Hi
 I am no expert but as far as I can tell any of the top  radios with
narrow  dynamic range above 92 db would be fine in most environments.  The
k4d was measured at  101.
A few years ago that dynamic range would have been considered fantastic.
I notice that the k3s is at 106.  Who is going to notice that difference.
The ergonomics on the k4d is much better once you get used to it.
Everything you need to know while operating is plainly visible.  For
example
I find I like having a real time UTC clock and date  kept accurately
automatically.  It is also nice to see the code speed and power levels
readily visible.
etc
Richard
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Re: [Elecraft] Need help with kat500 utility

[Richard Donner]

Hi
 I believe for some intermittent time the tuner did not move the caps to
the antenna side.  It is working now though.
All these boxes we have are computer controlled.  I
Thanks all


On Wed, Feb 23, 2022 at 4:27 PM Richard Donner 
wrote:

> Hi
> Well I checked the  antenna and it is just as before the problem.
>   Is the capacitor setting normally checked by default?
> This setting was not chosen automatically.
>
>   After I  enabled the capacitor setting the tuner tuned immediately to a
> low SWR on the low end of the band.
> I noticed that now it is automatically chosen.
> This has been a nice study time to figure how this tuner works.  It seems
> fine now.
> Thanks for  the help  all seems well.
>
> On another note , my k3 has reached its 15  birthday year
> Thanks all
> Richard
>
>
> On Wed, Feb 23, 2022 at 1:48 PM Richard Donner 
> wrote:
>
>> I  have some question about the operate tab in the kat500 utility.
>> In the "others"  what should be checked off?
>> "caps on the Ant side"
>> "amp key interrupt"
>> "attenuator"
>>   Not sure what these things do.
>>
>> I had been using my kat500 for years and all of a sudden low SWR
>> matches  could not be found on one of my antennas.   It was odd because
>> everything was fine yesterday.
>> I found by checking "caps on the Ant side"  Ii could get a match in
>> manual mode.
>>  I wonder if that had been checked and all of a sudden it stopped being
>> checked?
>>
>> Also I wonder if the"amp key interrupt "  was ever set properly.
>> How should it be set with a KPA500 amplifier all cabled up.
>> I did not see a simple explanation what these kat500 setting are for.
>>
>> Any help would be appreciated.  I think I am going for a walk
>> Thanks   Richard wa6kyr
>>
>>
>>
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Re: [Elecraft] Need help with kat500 utility

[Richard Donner]

Hi
Well I checked the  antenna and it is just as before the problem.
  Is the capacitor setting normally checked by default?
This setting was not chosen automatically.

  After I  enabled the capacitor setting the tuner tuned immediately to a
low SWR on the low end of the band.
I noticed that now it is automatically chosen.
This has been a nice study time to figure how this tuner works.  It seems
fine now.
Thanks for  the help  all seems well.

On another note , my k3 has reached its 15  birthday year
Thanks all
Richard


On Wed, Feb 23, 2022 at 1:48 PM Richard Donner 
wrote:

> I  have some question about the operate tab in the kat500 utility.
> In the "others"  what should be checked off?
> "caps on the Ant side"
> "amp key interrupt"
> "attenuator"
>   Not sure what these things do.
>
> I had been using my kat500 for years and all of a sudden low SWR  matches
> could not be found on one of my antennas.   It was odd because everything
> was fine yesterday.
> I found by checking "caps on the Ant side"  Ii could get a match in manual
> mode.
>  I wonder if that had been checked and all of a sudden it stopped being
> checked?
>
> Also I wonder if the"amp key interrupt "  was ever set properly.
> How should it be set with a KPA500 amplifier all cabled up.
> I did not see a simple explanation what these kat500 setting are for.
>
> Any help would be appreciated.  I think I am going for a walk
> Thanks   Richard wa6kyr
>
>
>
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[Elecraft] Need help with kat500 utility

[Richard Donner]

I  have some question about the operate tab in the kat500 utility.
In the "others"  what should be checked off?
"caps on the Ant side"
"amp key interrupt"
"attenuator"
  Not sure what these things do.

I had been using my kat500 for years and all of a sudden low SWR  matches
could not be found on one of my antennas.   It was odd because everything
was fine yesterday.
I found by checking "caps on the Ant side"  Ii could get a match in manual
mode.
 I wonder if that had been checked and all of a sudden it stopped being
checked?

Also I wonder if the"amp key interrupt "  was ever set properly.
How should it be set with a KPA500 amplifier all cabled up.
I did not see a simple explanation what these kat500 setting are for.

Any help would be appreciated.  I think I am going for a walk
Thanks   Richard wa6kyr
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Re: [Elecraft] Sherwood Engineering

[Richard Donner]

thanks for info

On Wed, May 5, 2021 at 5:28 AM Richard Donner 
wrote:

> I noticed that sherweng is gone from the internet.
> Anyone have information about this?
> tu
>
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[Elecraft] Sherwood Engineering

[Richard Donner]

I noticed that sherweng is gone from the internet.
Anyone have information about this?
tu
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Re: [Elecraft] sensitvity k4

[Richard Donner]

Wayne,
Thank you.
  My main issue here is weak signals.There are no
ham stations near me to cause interference.

A good antenna is what I ought to have but that is not happening.
Richard
Richard Donner

On Tue, Oct 13, 2020 at 12:56 PM Wayne Burdick  wrote:

> Hi Richard,
>
> All K4 models utilize the same front-end circuitry (preamps, filters,
> etc.), so all will have virtually identical sensitivity for a given gain
> setting. These in turn will be similar to the K3/K3S.
>
> 73,
> Wayne
> N6KR
>
> > On Oct 12, 2020, at 4:52 PM, Richard Donner 
> wrote:
> >
> > Anyone have an idea which version of the k4 would have the most
> sensitivity
> > for weak signals?
> > Thanks  Richard
>
>
>
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[Elecraft] sensitvity k4

[Richard Donner]

Anyone have an idea which version of the k4 would have the most sensitivity
for weak signals?
Thanks  Richard
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Re: [Elecraft] height of k4 with legs extended

[Richard Donner]

Hi  Dick
   Thanks I will probably move my monitor  to slightly above 7 inches.
At present it is a little bit too high over my k3.The monitor bottom is
9.5 inches up from the table that the k3 sits upon.
I do not like looking up.
I am going to ponder this a bit
73   Richard


On Thu, May 7, 2020 at 12:13 PM Dick Dievendorff  wrote:

> I just measured my KPA1500 as 6-3/4".  I used a tape measure, I could be
> off
> a little.
>
> I don't have a K4 here, but I've seen one side by side with a KPA1500. The
> intent is that they're the same sized box and that they line up with bottom
> bail extended.
>
> I'd allow a little extra room for airflow (and my measurement accuracy).  I
> believe air is intended to come in from the top and out the back. I don't
> know the K4 specification for airflow clearance.
>
> KPA1500 air comes out the top and bottom edge, and an inch of free airflow
> space is required above the amp. I wouldn't expect the K4 to require any
> more than that inch of airflow space.
>
> 73 de Dick, K6KR
>
>
> -Original Message-
> From: elecraft-boun...@mailman.qth.net 
> On
> Behalf Of Richard Donner
> Sent: Thursday, May 7, 2020 12:00
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] height of k4 with legs extended
>
> Hi
> Anyone know the height of the k4 with front legs extended.   I am going to
> mount a monitor suspended over it.
> bye Richard
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[Elecraft] height of k4 with legs extended

[Richard Donner]

Thank you all.   I believe I now how to proceed in lowering my monitor.
Richard
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Re: [Elecraft] height of k4 with legs extended

[Richard Donner]

Probably should of said bale extended

On Thu, May 7, 2020 at 1:02 PM Nr4c  wrote:

> Same as KPA1500.
>
> I think dimensions are shown on specs on website.
>
> Sent from my iPhone
> ...nr4c. bill
>
>
> > On May 7, 2020, at 3:02 PM, Richard Donner 
> wrote:
> >
> > Hi
> > Anyone know the height of the k4 with front legs extended.   I am going
> to
> > mount a monitor suspended over it.
> > bye Richard
> > __
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[Elecraft] height of k4 with legs extended

[Richard Donner]

Hi
Anyone know the height of the k4 with front legs extended.   I am going to
mount a monitor suspended over it.
bye Richard
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[Elecraft] Power supply for KS

[Richard Donner]

Thanks for all the responses.
Bother way the heading should have K4
Typo on my part
73
Richard
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Re: [Elecraft] Power supply for KS

[Richard Donner]

Hi Ken
Thanks for the info.
I am  not in a rush yet.   I noticed that the voltage is 13.4.. Maybe a
little higher might be better.  Not sure on the last point.
I will check what else they make
TU   73
Richard


On Mon, Apr 20, 2020 at 12:51 PM Ken Winterling  wrote:

> Richard,
>
> I use an IOTA DLS-55 SMPS power supply (
> https://www.iotaengineering.com/dls55.htm).  It provides 55 amps, doesn’t
> produce RFI, is audibly quiet, and rugged.  The dimensions are 9.7" x 6.7"
> x 3.4" and the weight is 5.0 lbs.  Mine is on 24/7/365.  IOTA also makes
> them in other output voltages and currents.
>
> Ken
> WA2LBI
>
>
> On Mon, Apr 20, 2020 at 15:21 Richard Donner 
> wrote:
>
>> I need  to get a new power supply for my upcoming K4 and accessories
>> before
>> my present 40 year old supply goes belly up.
>> I want reliability and no fussing , fixing or modifying  things. Any
>> recommendations.
>> I heard that some of the old brands are not what they used to be.
>> Thanks,
>> Richard   wa6kyr
>>
> --
>
> Ken
> WA2LBI
>
> Sent from one of my mobile devices
>
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[Elecraft] Power supply for KS

[Richard Donner]

I need  to get a new power supply for my upcoming K4 and accessories before
my present 40 year old supply goes belly up.
I want reliability and no fussing , fixing or modifying  things. Any
recommendations.
I heard that some of the old brands are not what they used to be.
Thanks,
Richard   wa6kyr
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[Elecraft] Keyoard help

[Richard Donner]

I just bought a new Windows 10 HP omen desktop and it came with a funky
keyboard.
I wanted to use the function keys on N1mm  but  the new  HP keyboard  keys
are dedicated to speaker volume and other stuff. I tried  the System Bios
to disable the Hot keys but that option was missing.  There is also no
function lock button on the keyboard.

My old ( 7 years old ) previous HP keyboard gives   some  wrong letters.
For example typing  M  gave o on this new computer.
So with that in mind does anyone have a recommendation for a new keyboard
 or maybe how to get my old one to work properly.
It likes I am going to have time for contests.
Thanks   Richard
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[Elecraft] anyone recommend where to buy a SERIAL to USB cable for a k3

[Richard Donner]

Thank you for the replies.   Looks like one less issue to fuss with😁
Richard
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Re: [Elecraft] anyone recommend where to buy a SERIAL to USB cable for a k3

[Richard Donner]

Thanks everyone
 Wow I got many responses,Bob, Ray, Max,
Thank you for the replies.  I will call Elecraft Monday.
73 Richardwa6kyr

On Sat, Jan 25, 2020 at 2:01 PM Bob McGraw K4TAX 
wrote:

> Elecraft has cables that work. Also RT Systems have good cables.  Beware
> of cables which do not use the FTDI chipset.  Some “others” may work and
> some may not thus contributing to issues.
>
> Get the good ones and forget the cheap ones.
>
> Bob, K4TAX
>
>
> Sent from my iPhone
>
> > On Jan 25, 2020, at 4:04 PM, Richard Donner 
> wrote:
> >
> > Hi
> >   I have new Windows 10 PC and everything is a software battle!
> >
> > What I need now is a SERIAL to USB cable for a k3.
> > If you know  exactly where to purchase it that would help.
> >
> > Thanks Richard   Wa6kyr
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> >
>
>
>
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[Elecraft] anyone recommend where to buy a SERIAL to USB cable for a k3

[Richard Donner]

Hi
   I have new Windows 10 PC and everything is a software battle!

What I need now is a SERIAL to USB cable for a k3.
If you know  exactly where to purchase it that would help.

Thanks Richard   Wa6kyr
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[Elecraft] beware phony offer

[Richard Donner]

Warning I just received an obviously fake email offer to buy Elecraft
radios at an inflated price.  a scam offer.   The offer had Elecraft logos.
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[Elecraft] equalizer on k4

[Richard Donner]

Does anyone know if the equalizer on the K4  is going to be  adjustable
real time so that you can listen to a station and adjust the equalizer as
you listen to the station.
 Richard
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[Elecraft] whoops

[Richard Donner]

bioennopower.com/
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Re: [Elecraft] KX3 won't go above 10W

[Richard Donner]

Hi Chris
   I use LiFePo4 batteries
The voltage is higher and I can transmit higher power for example 15 watts.
Bioenopower makes some nice ones.
Good luck Richard
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[Elecraft] kx3 modification request and stuff

[Richard Donner]

Here is something I would like.
A 30 watt kx3.  Same size and output 30 watts.
Maybe this could be a modification.
While I am dreaming how about a compact easily managed highly efficient
SOTA antenna.
thanks  Richard
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[Elecraft] kx3 mod request and stuff

[Richard Donner]

Here is something I would like.
A 30 watt kx3.  Same size and output 30 watts.
Maybe this could be a modification.
While I am dreaming how about a compact easily managed highly efficient
SOTA antenna.
thanks  Richard
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Re: [Elecraft] How to use LCD TV for P3 monitor?

[Richard Donner]

Hi  I bought this monitor from Best Buy and it works fine.

AOC E2060SWDA 195 LED HD Monitor Textured Black

*Model: *E2060SWDA
*SKU: *3541004
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[Elecraft] K3 Sub RX stopped working on 20/17 meters

[Richard Donner]

Hi
This is my first help idea.  Perhaps your sub receiver is not connected
to an active antenna on 17 and 20 meters.
I have done stuff like that  and pulled my hair out until I realized the
above.
luck
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[Elecraft] New KX2 feature: Internal logging of outgoing CW/data text

[Richard Donner]

Hi  would like that for my kx3 too
Thanks  Richard
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[Elecraft] Sp3 a/b switch

[Richard Donner]

Hi
I was wondering if there is a problem using the A/B switch   on the SP3
as a  on / off   switch for audio from the k3.  The k3 would be on.
It seems like this would be ok but I am checking with the experts here.
Thanks Richard
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[Elecraft] amp-hr reading from kx2

[Richard Donner]

hi
anyone know how to get the amp-hr usage on the kx2 ??
thanks
Richard
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[Elecraft] {OT} Alexloop Walkham Antenna

[Richard Donner]

Hi Stan
I own an AlexLoop  and a few of us hams went into a park and did some
 signal comparisons on  20 meters.   We compared an
Alexloop,  a full size vertical with four radials, and a 1/2 wave  end fed
for 20 meters.
I used an a/b switch on receive and transmit.
The vertical beat out the other antennas by less than an  an s unit.   The
Alexloop was almost as good as the full size vertical.  The only drawbacks
I see with this antenna is that it needs to be in the clear.   It also has
a very narrow bandwidth maybe  30Khz.
On a SOTA activation  making phone contacts on 20 meters was quite doable
with 10 watts last year.   You will need an SWR meter with a needle to
catch the quick dips as you tune the loop.

 bye Richard
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[Elecraft] KX3 - headphones AND speaker simultaneously?

[Richard Donner]

To do this I bought a portable powered stereo speaker for ipads
and used a stereo splitter cable  one side goes to headphones and the other
to the speaker
bye
Richard
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[Elecraft] Internal keyer decode on on svga monitor

[Richard Donner]

Hi
I was wondering how to display  the k3 internal keyer transmission on
the P3 svga  display monitor.

I can see the receive text of the k3  on the svga monitor but not when I
use the k3 internal keyer.
I can also see the sent text using the keyboard hooked up to the p3
thanks
richard
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[Elecraft] Elecraft] KX3 screen protection

[Richard Donner]

I use this.  Better check the size

http://www.bhphotovideo.com/c/product/16160-REG/Domke_722_15R_15x15_Color_Coded_Protective.html
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Re: [Elecraft] KX3 go kit?

[Richard Donner]

Could everyone give the weight of the entire kit?
Step on scale with and without the kit.  That will give sufficient accuracy
for me.
Thanks
Richard
wa6kyr
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Re: [Elecraft] Atmospheric noise increases

[Richard Donner]

I had a problem like that. I shut off all power to my house at the circuit
breakers. I ran my radio on batteries and noticed the noise went away.
By turning on the breakers one at a time the culprit was found. It was the
switching power supply for the cable TV.
Richard
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Re: [Elecraft] Miniature self-supporting HF antennas

[Richard Donner]

My two cents worth.  My favorite antenna  for SOTA
turns out to be the 20 meter Endfedz followed by the Alex Loop.
I have done a receive comparison between the Alex loop , Endfedz and a full
size 20 meter vertical with radials.   In this  sketchy little test the
Verical came out best followed very closely by the other two antennas.

It was amazing to see how well the 3 foot diameter loop performed.

I guess I would like a 20 meter 2 elment beam that sets up in 2 minutes and
weighs two pounds. If it could pop open and shut like an umbrella that
would work for me.   Any ideas.
Richard
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[Elecraft] email listing working if you see this

[Richard Donner]

richard
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