Re: [Elecraft] KPA500 Minimum Drive?

[Gary Gregory]

or Tap the PWR button the kpa500 and watch the digital display on the
amplifier.
Gary

On 16 June 2016 at 13:50, Jack Brindle  wrote:

> Fred’s assessment is correct - the output power resolution below 25 watts
> is pretty low. But it is still putting out power, at least to a point.
> There _is_ a lower limit to input power - it involves the ability of the
> frequency counter to do its job. If the counter cannot get an accurate
> count, it won’t be able to corroborate the frequency for the correct band
> selection. This level is in the neighborhood of 1 watt, giving you some
> range to play with.
>
> Enjoy playing with your KPA500!
>
> Jack, W6FB
>
>
> > On Jun 15, 2016, at 7:15 PM, Fred Jensen  wrote:
> >
> > Hmmm ... I guess first question is, what's the problem?  25 W to 20W is
> slightly less than 1 dB, 0.16 S-unit.  Just run barefoot?
> >
> > The LED Power display on the KPA500 is digital.  It "measures the
> power," and puts it into one of a number of bins.  If something is in the
> bin, it lights the LED.  If the measured power isn't high enough for the
> lowest bin, all the bins are empty, no LED's light up, although there is
> still RF being made.
> >
> > Measuring power with simple instruments is hard ... well, sort of
> impossible.  You can measure the voltage, but then you need to know the
> impedance, a complex number, not easily measured with a DVM.  You can
> measure the current -- same problem.  KPA500 is designed to emit 500W with
> 25-30W input.  I think you're pushing the envelope here and nothing is
> wrong.
> >
> > 73,
> >
> > Fred K6DGW
> > - Northern California Contest Club
> > - CU in the Cal QSO Party 1-2 Oct 2016
> > - www.cqp.org
> >
> > On 6/15/2016 4:54 PM, James Bennett wrote:
> >> I share my KPA500 with a K3 and a KX3. When I want to operate JT65 or
> >> JT9 I normally run about 25 watts out, using the KX3 to drive the
> >> amp. With the KX3 set to 1.8 watts out, the amp gives me 25; with 2.2
> >> watts from the KX3, I get 30 watts out from the amp.
> >>
> >> But, what if I want to run 20 watts? Or 15? When I back the KX3 power
> >> level below 1.8, the KPA500 shows zero on the LED power display. Does
> >> this mean it is no longer amplifying, or is it actually amplifying
> >> but not enough for the circuitry to determine how much?
> >>
> >> Jim Bennett / W6JHB Folsom, CA
> > __
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-- 



*Gary - VK1ZZ, K3NHLSkype: Gary.VK1ZZhttp://www.qsl.net/vk1zz
Motorhome Portable*
*Miss Behavin'*


*Elecraft K3KPA500FT  #18KAT500FT  #007*
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Re: [Elecraft] K3S master power?

[David Bunte]

I don't understand how that turns on the KPA500.

Dave - K9FN
On Jun 18, 2016 8:50 PM, "Cady, Fred"  wrote:

> Yeah, that has been fixed but it worked before it was fixed.
>
> Cheers,
>
> Fred
>
>
> 
> From: KE8G 
> Sent: Saturday, June 18, 2016 6:28 PM
> To: Cady, Fred
> Cc: lmarion; Elecraft Reflector
> Subject: Re: [Elecraft] K3S master power?
>
> Doesn't that present a problem?  I thought the KAT500 was supposed to be
> powered up before turning on the K3, or has that somehow been changed and I
> am stuck in the past?
>
> 73 de Jim - KE8G
>
> Sent from my iPad
>
> > On Jun 18, 2016, at 7:15 PM, Cady, Fred  wrote:
> >
> >
> > I use a rigrunner 4010S that has 10 outlets and one that, when it
> detects a current draw from turning on the K3, turns on all the others.
> >
> > Cheers,
> >
> > Fred KE7X
> >
> >
> > For all KE7X Elecraft books, see www.ke7x.com.
> >
> >
> > 
> > From: Elecraft  on behalf of lmarion <
> lmar...@mt.net>
> > Sent: Saturday, June 18, 2016 1:26 PM
> > To: Elecraft Reflector
> > Subject: [Elecraft] K3S master power?
> >
> > Is there a K3S setting that will power on the  P3, KAT500 and KPA500
> when you power on the K3S ?
> >
> > Thanks either way, Leroy AB7CE
> > __
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Re: [Elecraft] KX3 S-meter segment stuck

[Bob N3MNT]

>From page 12 if manual: If you reduce RF gain more than
a few dB, a separate segment of the S-meter turns
on as a reminder. The segment used varies with the
amount of RF gain reduction. (A high S-meter
reading may hide the RF gain indicator segment.)



--
View this message in context: 
http://elecraft.365791.n2.nabble.com/KX3-S-meter-segment-stuck-tp7618953p7618981.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Powered USB hub for multiple KUSB

[Nolan Kienitz]

Jim,

 

I have that same powered Anker 7-port USB hub (USB 3.0 version) and it is still 
in its box in my file cabinet.  I ordered some time ago when it seemed I would 
going through USB hub in short order.

 

I’ve not had to press it into use as of yet. I run everything off my laptop and 
a docking station, but have had to add the additional powered USB hub.

 

So … I have the same product, but have not tested it yet.

 

73,

Nolan Kienitz  KI5IO

SKCC - 9532C

NAQCC - 6230

FISTS - 14948

 

 

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Re: [Elecraft] K3S master power?

[Cady, Fred]

Yeah, that has been fixed but it worked before it was fixed.

Cheers,

Fred



From: KE8G 
Sent: Saturday, June 18, 2016 6:28 PM
To: Cady, Fred
Cc: lmarion; Elecraft Reflector
Subject: Re: [Elecraft] K3S master power?

Doesn't that present a problem?  I thought the KAT500 was supposed to be 
powered up before turning on the K3, or has that somehow been changed and I am 
stuck in the past?

73 de Jim - KE8G

Sent from my iPad

> On Jun 18, 2016, at 7:15 PM, Cady, Fred  wrote:
>
>
> I use a rigrunner 4010S that has 10 outlets and one that, when it detects a 
> current draw from turning on the K3, turns on all the others.
>
> Cheers,
>
> Fred KE7X
>
>
> For all KE7X Elecraft books, see www.ke7x.com.
>
>
> 
> From: Elecraft  on behalf of lmarion 
> 
> Sent: Saturday, June 18, 2016 1:26 PM
> To: Elecraft Reflector
> Subject: [Elecraft] K3S master power?
>
> Is there a K3S setting that will power on the  P3, KAT500 and KPA500 when you 
> power on the K3S ?
>
> Thanks either way, Leroy AB7CE
> __
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Re: [Elecraft] K3S master power?

[Gary]

I must admit that when field testing the kat500, turning on the k3 DID cause a 
real issue, not heard of any change to that.
However, the other day I turned the k3 on before I noticed the kat500 was not 
powered up.
Thinking, oh what the heck, I hit the power on and all was well.
Not wishing to create an issue, I powered both off and powered up in my normal 
way.
Does this mean it doesn't matter which is powered first?...i have no info to go 
by.
Perhaps Wayne may offer his thoughts, without his confirmation I will stick 
with my old method for now.
Gary

-Original Message-
From: "KE8G" 
Sent: ‎19/‎06/‎2016 10:29 AM
To: "Cady, Fred" 
Cc: "Elecraft Reflector" 
Subject: Re: [Elecraft] K3S master power?

Doesn't that present a problem?  I thought the KAT500 was supposed to be 
powered up before turning on the K3, or has that somehow been changed and I am 
stuck in the past?

73 de Jim - KE8G

Sent from my iPad

> On Jun 18, 2016, at 7:15 PM, Cady, Fred  wrote:
> 
> 
> I use a rigrunner 4010S that has 10 outlets and one that, when it detects a 
> current draw from turning on the K3, turns on all the others.
> 
> Cheers,
> 
> Fred KE7X
> 
> 
> For all KE7X Elecraft books, see www.ke7x.com.
> 
> 
> 
> From: Elecraft  on behalf of lmarion 
> 
> Sent: Saturday, June 18, 2016 1:26 PM
> To: Elecraft Reflector
> Subject: [Elecraft] K3S master power?
> 
> Is there a K3S setting that will power on the  P3, KAT500 and KPA500 when you 
> power on the K3S ?
> 
> Thanks either way, Leroy AB7CE
> __
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Re: [Elecraft] K3S master power?

[KE8G]

Doesn't that present a problem?  I thought the KAT500 was supposed to be 
powered up before turning on the K3, or has that somehow been changed and I am 
stuck in the past?

73 de Jim - KE8G

Sent from my iPad

> On Jun 18, 2016, at 7:15 PM, Cady, Fred  wrote:
> 
> 
> I use a rigrunner 4010S that has 10 outlets and one that, when it detects a 
> current draw from turning on the K3, turns on all the others.
> 
> Cheers,
> 
> Fred KE7X
> 
> 
> For all KE7X Elecraft books, see www.ke7x.com.
> 
> 
> 
> From: Elecraft  on behalf of lmarion 
> 
> Sent: Saturday, June 18, 2016 1:26 PM
> To: Elecraft Reflector
> Subject: [Elecraft] K3S master power?
> 
> Is there a K3S setting that will power on the  P3, KAT500 and KPA500 when you 
> power on the K3S ?
> 
> Thanks either way, Leroy AB7CE
> __
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Re: [Elecraft] Powered USB hub for multiple KUSB

[Jim Brown]

On Sat,6/18/2016 3:18 PM, Jim Kutsch, KY2D wrote:

Do any of you have a recommendation of a good, RF quiet powered hub?


In the last few years, I've acquired a couple of different units "just 
in case," and a year or two ago, set them up and checked for RF noise. 
The better one is a 7-port unit with the SIIG nameplate rated for 3.0 
and 2.0. It runs from a 5V wall wart, and the supplied wart is rated 2A 
@5VDC. It also self-powers from a USB port, but with reduced available 
port power.


My note on the unit says "Some noise 160M." The model numbers I see on 
it are 02-1335A and JU-H70212-S1. It's 3.5-in square by 1-in high, 
silver-Al top plate on what feels like a metallic bottom pan.


Both the hub and the wall wart carry FCC and CE labels.

73, Jim K9YC

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Re: [Elecraft] K3S master power?

[Cady, Fred]

I use a rigrunner 4010S that has 10 outlets and one that, when it detects a 
current draw from turning on the K3, turns on all the others.

Cheers,

Fred KE7X


For all KE7X Elecraft books, see www.ke7x.com.



From: Elecraft  on behalf of lmarion 

Sent: Saturday, June 18, 2016 1:26 PM
To: Elecraft Reflector
Subject: [Elecraft] K3S master power?

Is there a K3S setting that will power on the  P3, KAT500 and KPA500 when you 
power on the K3S ?

Thanks either way, Leroy AB7CE
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Re: [Elecraft] Powered USB hub for multiple KUSB

[Phil Wheeler]

My computers have no such limitations (all USB3 
and no issues with un-powered hubs, of which I use 
three).


Phil W7OX

On 6/18/16 3:52 PM, Kevin wrote:

Why powered?

Because motherboard USB ports are limited to 
100ma current draw at computer startup. Then 
once they reach 93% of rated voltage the limit 
goes to 500ma. Maximum power draw for any one 
port is 2.25 watts. With an unpowered hub all 
connected devices share the current/power limit.


Get a powered hub and the seven or eight devices 
hanging off the hub are guaranteed not to 
overload the USB port.



On 6/18/2016 5:30 PM, Phil Wheeler wrote:

Get a USB3 hub while you're at it.

Why powered? None of mine are. Well, maybe due 
to USB3 ports :-)


Phil W7OX

On 6/18/16 3:18 PM, Jim Kutsch, KY2D wrote:
I'm running out of USB ports and need a USB 
hub. It will serve the KUSB for
the KX3, KPA500, and KAT500, as well as a 
SignaLink  and a packet interface.
Do any of you have a recommendation of a good, 
RF quiet powered hub? Are
there any to avoid? It would be great to be 
able to power it from the shack
12 VDC supply rather than have yet another 
power brick. In the absence of
any info, I'm looking at an Anker 7 port 
powered hub that is powered from a

12 VDC adapter.



Thanks and 73, Jim, KY2D


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Re: [Elecraft] Powered USB hub for multiple KUSB

[Walter Underwood]

I haven’t tried hubs, but we have an Anker USB charging station that is great. 
They can probably make decent powered USB hubs, too.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Jun 18, 2016, at 3:52 PM, Kevin  wrote:
> 
> Why powered?
> 
> Because motherboard USB ports are limited to 100ma current draw at computer 
> startup. Then once they reach 93% of rated voltage the limit goes to 500ma. 
> Maximum power draw for any one port is 2.25 watts. With an unpowered hub all 
> connected devices share the current/power limit.
> 
> Get a powered hub and the seven or eight devices hanging off the hub are 
> guaranteed not to overload the USB port.
> 
> 
> On 6/18/2016 5:30 PM, Phil Wheeler wrote:
>> Get a USB3 hub while you're at it.
>> 
>> Why powered? None of mine are. Well, maybe due to USB3 ports :-)
>> 
>> Phil W7OX
>> 
>> On 6/18/16 3:18 PM, Jim Kutsch, KY2D wrote:
>>> I'm running out of USB ports and need a USB hub. It will serve the KUSB for
>>> the KX3, KPA500, and KAT500, as well as a SignaLink  and a packet interface.
>>> Do any of you have a recommendation of a good, RF quiet powered hub? Are
>>> there any to avoid? It would be great to be able to power it from the shack
>>> 12 VDC supply rather than have yet another power brick. In the absence of
>>> any info, I'm looking at an Anker 7 port powered hub that is powered from a
>>> 12 VDC adapter.
>>> 
>>> 
>>> 
>>> Thanks and 73, Jim, KY2D
>>> 
>>> 
>> 
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> 
> 
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Re: [Elecraft] Powered USB hub for multiple KUSB

[Ramon Tristani]

The Amazon “basics” is a ten-USB 3 port and works very well in my system.

Ramón E. Tristani Sr.
r.trist...@gmail.com
https://www.flickr.com/photos/nq9v/ 
www.tristaniministries.org 
www.tristaniphotography.com 


> On Jun 18, 2016, at 6:18 PM, Jim Kutsch, KY2D  wrote:
> 
> I'm running out of USB ports and need a USB hub. It will serve the KUSB for
> the KX3, KPA500, and KAT500, as well as a SignaLink  and a packet interface.
> Do any of you have a recommendation of a good, RF quiet powered hub? Are
> there any to avoid? It would be great to be able to power it from the shack
> 12 VDC supply rather than have yet another power brick. In the absence of
> any info, I'm looking at an Anker 7 port powered hub that is powered from a
> 12 VDC adapter.
> 
> 
> 
> 
> 
> Thanks and 73, Jim, KY2D
> 
> 
> 
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Re: [Elecraft] Powered USB hub for multiple KUSB

[Kevin]

Why powered?

Because motherboard USB ports are limited to 100ma current draw at 
computer startup. Then once they reach 93% of rated voltage the limit 
goes to 500ma. Maximum power draw for any one port is 2.25 watts. With 
an unpowered hub all connected devices share the current/power limit.


Get a powered hub and the seven or eight devices hanging off the hub are 
guaranteed not to overload the USB port.



On 6/18/2016 5:30 PM, Phil Wheeler wrote:

Get a USB3 hub while you're at it.

Why powered? None of mine are. Well, maybe due to USB3 ports :-)

Phil W7OX

On 6/18/16 3:18 PM, Jim Kutsch, KY2D wrote:
I'm running out of USB ports and need a USB hub. It will serve the 
KUSB for
the KX3, KPA500, and KAT500, as well as a SignaLink  and a packet 
interface.

Do any of you have a recommendation of a good, RF quiet powered hub? Are
there any to avoid? It would be great to be able to power it from the 
shack
12 VDC supply rather than have yet another power brick. In the 
absence of
any info, I'm looking at an Anker 7 port powered hub that is powered 
from a

12 VDC adapter.



Thanks and 73, Jim, KY2D




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Re: [Elecraft] Powered USB hub for multiple KUSB

[Phil Wheeler]

Get a USB3 hub while you're at it.

Why powered? None of mine are. Well, maybe due to 
USB3 ports :-)


Phil W7OX

On 6/18/16 3:18 PM, Jim Kutsch, KY2D wrote:

I'm running out of USB ports and need a USB hub. It will serve the KUSB for
the KX3, KPA500, and KAT500, as well as a SignaLink  and a packet interface.
Do any of you have a recommendation of a good, RF quiet powered hub? Are
there any to avoid? It would be great to be able to power it from the shack
12 VDC supply rather than have yet another power brick. In the absence of
any info, I'm looking at an Anker 7 port powered hub that is powered from a
12 VDC adapter.

  

  


Thanks and 73, Jim, KY2D




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[Elecraft] Powered USB hub for multiple KUSB

[Jim Kutsch, KY2D]

I'm running out of USB ports and need a USB hub. It will serve the KUSB for
the KX3, KPA500, and KAT500, as well as a SignaLink  and a packet interface.
Do any of you have a recommendation of a good, RF quiet powered hub? Are
there any to avoid? It would be great to be able to power it from the shack
12 VDC supply rather than have yet another power brick. In the absence of
any info, I'm looking at an Anker 7 port powered hub that is powered from a
12 VDC adapter.

 

 

Thanks and 73, Jim, KY2D

 

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Re: [Elecraft] KX2 real life power

[Jim GM]

Just had to recharge battery for the first time.

I used just about 2.1 hours of battery time.  Real time I had the radio on for 
just over 7 hours calling CQ and just in the receive mode.  Output of my KX2 
was 5 watts and the Battery Min was set for 9.0 V.

My question what is a better setting for this radio  8.7 V. to get my full 2.5 
hours or is my thinking wrong?  If so why?

Jim K9TF

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Re: [Elecraft] KX3 S-meter segment stuck

[Nr4c]

It indicates that RF Gain is not set to zero. 

Sent from my iPhone
...nr4c. bill


> On Jun 18, 2016, at 4:18 AM, Erik Basilier  wrote:
> 
> Hi All,
> 
> 
> 
> Today I have the S-5 segment stuck on my KX3 display. That is also the SWR 2
> segment. What I mean is the segment is black with no receive signal, while
> the segments to the left of it are not black, and there is no transmission
> going on. Reloading the firmware didn't help. Any ideas?
> 
> 
> 
> Thanks,
> 
> Erik K7TV
> 
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[Elecraft] New KX2 arrived

[Joe W2KJ]

Howdy Gang:

My KX2, s/n 347 ordered on 25 May, was delivered this afternoon.

Putting it through its paces now.

Hard to believe how small this radio is!!

73, Joe W2KJ
I QRP, therefore I am

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Re: [Elecraft] KX3 S-meter segment stuck (Greg Cote)

[Mark via Elecraft]

As a follow on to David's post:
"Check the RF Gain setting.  I'll bet it is not zero!"

I had the same problem when I first got my KX3.  Thought I was going to have to 
send the radio in for an LCD replacement until Wayne politely suggested I press 
the AF/RF SQL knob until RF appears, then turn it all the way to the left until 
-0 appears.  That fixed it.  The reason is in the Owners Manual on page 12:

"If you reduce RF gain more than a few dB, a separate segment of the S-meter 
turns on as a reminder. The segment used varies with the 
amount of RF gain."

Mark
KE6BB 

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[Elecraft] K3S master power?

[lmarion]

Is there a K3S setting that will power on the  P3, KAT500 and KPA500 when you 
power on the K3S ?

Thanks either way, Leroy AB7CE
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Re: [Elecraft] P3/TX Mon Coupler Switching Idea

[Dr. William J. Schmidt, II]

One of the guys at Elecraft (Mike?) did this with a cheap switch box available 
off Amazon. I took that box and added some video analog switches and a band 
decoder to do it automagically and basis power level. Its a simple matter to 
do. Just get creative. 


Dr. William J. Schmidt - K9HZ J68HZ 8P6HK ZF2HZ PJ4/K9HZ VP5/K9HZ PJ2/K9HZ
 
Owner - Operator
Big Signal Ranch – K9ZC
Staunton, Illinois
 
Owner – Operator
Villa Grand Piton - J68HZ
Soufriere, St. Lucia W.I.
Rent it: www.VillaGrandPiton.com

email:  b...@wjschmidt.com
 

> On Jun 17, 2016, at 8:10 PM, Mike VE3YF  wrote:
> 
> I am thinking of getting a 2nd DCHF Coupler for my P3 TX Monitor Setup. This 
> way I could Monitor 2 Outputs from the same P3. Currently I have a coupler 
> right after my main linear via Ant 1 on the K3, but want to add a second 
> coupler to the output of the KPA500 via Ant 2 on the K3. I then could switch 
> between the outputs and use the same P3. I realize I can only use 1 coupler 
> at a time, but changing cables etc out all the time would be a pain. Does 
> anyone know of a switch that could handle this job. I have done a search on 
> the internet and eBay and found nothing that would mate up to a RJ8 Connector 
> which the TX Monitor and Couplers use. If any one is doing what I am 
> contemplating I would like to hear from you. Tnx.
> 
> 73 De Mike
> VE3YF
> 
> http://www.ve3yf.com
> [http://www.ve3yf.com/]
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Re: [Elecraft] KX3 S-meter segment stuck (Greg Cote)

[David Shoaf]

Check the RF Gain setting.  I'll bet it is not zero!

Cheers,

David



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Re: [Elecraft] P3/TX Mon Coupler Switching Idea

[Ron D'Eau Claire]

>From the P3 manual:

Using Multiple Sensors

If you wish to use more than one sensor with the
P3, such as separate sensors for HF and VHF, you
must switch the sensor cable to the active sensor as
needed. A convenient way to do this is to use an
external RJ45 switch that allows you to select the
desired sensor. A suitable four-way switch box with
RJ45 female connectors made by Sanoky Network
1 Input 4 Output RJ45 8P8C Manual Sharing
Switch available on various on-line web sites.
Others are the GadKo RJ45 switch box or the
Electro Standards 8079 RJ45 A/B switch box. You
will need an extra sensor cable with male RJ45
connectors to attach the switch box to the P3. A
suitable 6-foot W2 Sensor Cable available from
Elecraft (Order E850638).

73, Ron AC7AC

-Original Message-
Subject: Re: [Elecraft] P3/TX Mon Coupler Switching Idea

 > I am thinking of getting a 2nd DCHF Coupler for my P3 TX Monitor  >
Setup. This way I could Monitor 2 Outputs from the same P3. ...
 > Does anyone know of a switch that could handle this job.


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[Elecraft] Win4K3Suite now supports the SDRPlay SDR as a panadapter allowing 1.8MHz bandwidth!

[Tom]

Hello,
Win4K3Suite now supports the SDRPlay software defined radio when used as a 
panadapter.  This device provides the lowest cost panadapter available for the 
K3 and K3S with an IF output and allows useable bandwidths up to 1.8MHz!  No 
sound card is required.
Unlike competing panadapter software for the K3, Win4K3Suite is truly plug and 
play requiring only refinement of the global offset.  All bands and modes work 
without any configuration required.
This release of Win4K3Suite also now supports connection to a K3/0 allowing 
remote control of your radio using the Elecraft K3/0 just like a K3.
There are addition enhancements such as a doubling of the waterfall resolution, 
support for the 15W output of the KX3 and a few bug fixes.
Win4K3Suite is the most comprehensive control program available for the 
Elecraft radios and interfaces to all third party hardware and software with 
minimum fuss.
You can see Win4K3Suite in operation here: 
https://www.youtube.com/watch?v=htVlc9x0IoU
A free full functioning download is available at va2fsq.com
73 Tom

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[Elecraft] K3Mini to BY?

[cx7tt]

Anybody successfully taken a K3Mini and RRC1258 to China? If so, any
special advice or precautions?

73
Tom
HP1XT
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Re: [Elecraft] P3/TX Mon Coupler Switching Idea

[Clay Autery]

To make sure I have truly beat this horse to death...

Go here: *http://www.elecraft.com/manual/P3%20Xmit%20Mon%20FAQ-ver-A-7.pdf
*

This is a Tx Mon FAQ...
Page 6, 3c.  "These 2 items will be connected with CAT5/CAT6 cable
plugging into RJ45 jacks."

"RJ8" in the Tx Mon Installation Manual is a "typo".

73,

__
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MONTAC Enterprises
(318) 518-1389

On 6/18/2016 4:36 AM, Mike VE3YF wrote:
> Hi Alan:
>
> Tnx for the info, good to see someone else has done it. Question though, does 
> the Coupler cable use RJ45 connectors, reason I ask I see on the Elecraft 
> site it says RJ8, and I am not finding too much info on the Internet ref RJ8 
> Connectors. Perhaps I am reading too much into it.
>
> 73 De Mike
> VE3YF

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Re: [Elecraft] P3/TX Mon Coupler Switching Idea

[Clay Autery]

Followup:

Looking in the manual, the picture of the TXMON board clearly shows that
the modular jack has 8 conductors.  I'm almost certain that is an RJ-45
8P8C jack...
But from what I can see, they are using AT LEAST conductors 2,4,6, and
8... (the solid wires for both 568A and 568B). You can see traces coming
back from those 4 conductors to some SMT components on the board
indicating the conductors are in use.  Cannot tell if the other four
connect at the board for sure.

So... either they are 1) using all 8 wires, 2) Using 4 wires and
grounding the paired wires to reduce crosstalk or RFI, or 3) they are
using 4 wires for signals and leaving the other four completely open,
thus surrendering the value of twisted pair.

High probability that Elecraft used straight through wiring but verify
anyway...


Bottom Line...  LOOK at your coupler cable count the conductors... 
If there are 8, then good.  Take the two ends and hold them side by side
with gold conductors facing you.  IF the conductor color code from left
to right match between the two cable ends, it is straight through wiring
on the patch/jumper cable.  Pretty conclusive that all you need to do is
use quality CAT5e or better patch cables... chore over.

But at least go through the verification process.

The more I think about it, no to, the more I am beginning to believe the
"RJ8" think in the manual is a typo ripe for inclusion on an Errata
sheet.  :-)

__
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MONTAC Enterprises
(318) 518-1389

On 6/18/2016 4:36 AM, Mike VE3YF wrote:
> Hi Alan:
>
> Tnx for the info, good to see someone else has done it. Question though, does 
> the Coupler cable use RJ45 connectors, reason I ask I see on the Elecraft 
> site it says RJ8, and I am not finding too much info on the Internet ref RJ8 
> Connectors. Perhaps I am reading too much into it.
>
>
>
> 73 De Mike
> VE3YF
>
> http://www.ve3yf.com
> [http://www.ve3yf.com/]
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Re: [Elecraft] P3/TX Mon Coupler Switching Idea

[Clay Autery]

FYI, an RJ-8 modular plug will plug right in to an RJ-45 modular
jack  The retention key on the connector centers it in the RJ-45
jack so that the 4 center conductors are lined up.

The key to making this work is to verify:

1) How are the jacks wired on the switch:  568A or 568B.
2) Match up the wiring in and out on the two P3 TxMon couplers' twisted
pair jumpers and the patch cable you buy/make/modify to be the common
jumper back from the switch to the P3 rear panel.  Eesentially, you're
making sure Elecraft used straight through wiring and not some sort of
crossover arrangement or other between the P3 and the couplers.

DON'T plug it all up UNLESS and UNTIL you map the conductors to make
SURE they have continuity and continuity in accordance with the wire
conductor order used on the P3 and the coupler.

PROBABLY, Elecraft used straight through wiring, so it is just a matter
of making the additional straight through patch cord to go from the P3
to the switch in/out.

IF you want to get fancy and have the tools/skillset, make all new
cables...  Use RJ-8 on the P3 and couple ends and use RJ-45 on the ends
that will plug into the switch.

Holler if this has completely confused you and I will amplify/clarify.

73,

__
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 6/18/2016 4:36 AM, Mike VE3YF wrote:
> Hi Alan:
>
> Tnx for the info, good to see someone else has done it. Question though, does 
> the Coupler cable use RJ45 connectors, reason I ask I see on the Elecraft 
> site it says RJ8, and I am not finding too much info on the Internet ref RJ8 
> Connectors. Perhaps I am reading too much into it.
>
> 73 De Mike
> VE3YF
>
> http://www.ve3yf.com
> [http://www.ve3yf.com/]
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Re: [Elecraft] KX3 S-meter segment stuck (Greg Cote)

[Gregory Cote]

I recently noticed that I also have a stuck segment on my KX3 S-Meter.
However, mine is the S-9 segment.

73
Greg, WY1X

On Sat, Jun 18, 2016 at 5:36 AM,   wrote:
> Send Elecraft mailing list submissions to
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> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Elecraft digest..."
>
>
> Today's Topics:
>
>1. Re: KX2 real life power (Tom Crayner)
>2. Re: K3S "HI-RFI" warning a bit too sensitive? (Dave Cole)
>3. Re: K3S "HI-RFI" warning a bit too sensitive? (Dale Putnam)
>4. KX3 / KXPD3 "hanging"? (Thorpe, Jeffrey)
>5. Re: K3S "HI-RFI" warning a bit too sensitive? (Ken G Kopp)
>6. Re: KX3 / KXPD3 "hanging"? (David Box)
>7. Re: K3S "HI-RFI" warning a bit too sensitive? (Joe Subich, W4TV)
>8. Re: K3S "HI-RFI" warning a bit too sensitive? (Michael Walker)
>9. Re: K3S "HI-RFI" warning a bit too sensitive? (Jim Brown)
>   10. Re: K3S "HI-RFI" warning a bit too sensitive? (Helmut Berka)
>   11. Let me build your K2 (Alan Price)
>   12. Re: KX3 / FLDIGI Question (James Bennett)
>   13. Re: KX3 / FLDIGI Question (Jorge Diez - CX6VM)
>   14. K3/100 for sale (thomas branton)
>   15. KX2 Shipping Status (Eric Swartz - WA6HHQ, Elecraft)
>   16. Re: KX2 Shipping Status (Peter Pauly)
>   17. Re: KX2 real life power (Wayne Burdick)
>   18. Re: KXPD3 thumb screw (Ron D'Eau Claire)
>   19. Re: KX2 Shipping Status (Walter Underwood)
>   20. K-Pod modification for K3S (Randy Farmer)
>   21. Re: KX3 / KXPD3 "hanging"? (Thorpe, Jeffrey)
>   22.  P3/TX Mon Coupler Switching Idea (Mike VE3YF)
>   23. Re: P3/TX Mon Coupler Switching Idea (Alan Bloom)
>   24. KX3 S-meter segment stuck (Erik Basilier)
>   25. Re: KX3 S-meter segment stuck (Erlend Grimseid)
>   26. Re: P3/TX Mon Coupler Switching Idea (Mike VE3YF)
>
>
> --
>
> Message: 1
> Date: Fri, 17 Jun 2016 07:37:50 -0400
> From: Tom Crayner 
> To: david perry 
> Cc: elecraft 
> Subject: Re: [Elecraft] KX2 real life power
> Message-ID:
> 
> Content-Type: text/plain; charset=UTF-8
>
> Sounds like the batteries are possibly suspect.
>
> A KX3 will give out 10W down to 10V according to the firmware release
> (v2.38), and although I haven't personally run my batteries down that low I
> haven't seen any behavior to indicate otherwise (in other words I'm getting
> 10W out, not 3 or 4W as you are seeing). Check and see if you are on that
> FW release.
>
> On the KX2 I am set at 5W out (not the full 10W due to duty cycle of the
> digital I use) and I am still getting the full 5W out with the battery pack
> about half depleted (if I believe the amp hours reading).
>
> Tom, W2YF
>
> On Fri, Jun 17, 2016 at 4:45 AM, david perry  wrote:
>
>> Im wondering what KX2 users are finding to be the output power when on
>> internal battery.  I ask because I am using a friends KX3 at the moment and
>> whilst on external power it gives full spec, on internals the power drops
>> to 3 or 4 watts out.  Is the KX2 better than this or is that all there is,
>> even on the new rig?
>>
>> David
>> G4YVM
>> __
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>
>
> --
>
> Message: 2
> Date: Fri, 17 Jun 2016 04:58:53 -0700
> From: Dave Cole 
> To: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] K3S "HI-RFI" warning a bit too sensitive?
> Message-ID: <1466164733.11264.6.ca...@nk7z.net>
> Content-Type: text/plain; charset="UTF-8"
>
> On Fri, 2016-06-17 at 06:30 -0500, Chris L wrote:
>> A baby monitor. Yep, not one block from my house lives a couple with a
>> cheap 49MHz baby monitor blasting away on 49.850MHz all hours of the
>> day and night. A short "fox hunt" with a service monitor confirmed
>> this. ?There is 100KHz worth of splatter coming from this thing and my
>> old Icom 706 shows it as S9 with the attenuator on (and S9 +60
>> without). I spoke with someone at the house and confirmed that this
>> was the problem by shutting down the device for an hour.
>> Unfortunately, the couple's mother-in-law lives with them and insists
>> on using the baby 

Re: [Elecraft] KX3 S-meter segment stuck

[Erik Basilier]

Problem solved, thanks to Erlend LA4TTA.
I had no idea that the segment turned on is an indication of RF gain
setting.

73,
Erik K7TV

-Original Message-
From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Erik
Basilier
Sent: Saturday, June 18, 2016 1:19 AM
To: Elecraft@mailman.qth.net
Subject: [Elecraft] KX3 S-meter segment stuck

Hi All,

 

Today I have the S-5 segment stuck on my KX3 display. That is also the SWR 2
segment. What I mean is the segment is black with no receive signal, while
the segments to the left of it are not black, and there is no transmission
going on. Reloading the firmware didn't help. Any ideas?

 

Thanks,

Erik K7TV

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Re: [Elecraft] P3/TX Mon Coupler Switching Idea

[Mike VE3YF]

Hi Alan:

Tnx for the info, good to see someone else has done it. Question though, does 
the Coupler cable use RJ45 connectors, reason I ask I see on the Elecraft site 
it says RJ8, and I am not finding too much info on the Internet ref RJ8 
Connectors. Perhaps I am reading too much into it.



73 De Mike
VE3YF

http://www.ve3yf.com
[http://www.ve3yf.com/]
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Re: [Elecraft] KX3 S-meter segment stuck

[Erlend Grimseid]

Might it be the RF gain setting?

73
LA4TTA
Erlend

2016-06-18 10:18 GMT+02:00 Erik Basilier :

> Hi All,
>
>
>
> Today I have the S-5 segment stuck on my KX3 display. That is also the SWR
> 2
> segment. What I mean is the segment is black with no receive signal, while
> the segments to the left of it are not black, and there is no transmission
> going on. Reloading the firmware didn't help. Any ideas?
>
>
>
> Thanks,
>
> Erik K7TV
>
> __
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
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> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to egrims...@gmail.com
>
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[Elecraft] KX3 S-meter segment stuck

[Erik Basilier]

Hi All,

 

Today I have the S-5 segment stuck on my KX3 display. That is also the SWR 2
segment. What I mean is the segment is black with no receive signal, while
the segments to the left of it are not black, and there is no transmission
going on. Reloading the firmware didn't help. Any ideas?

 

Thanks,

Erik K7TV

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