[Elecraft] K2 and N1MM+ . . . TNX

[edauer]

Lots of explanations and suggestions.  Many thanks, all.

 Ted, KN1CBR

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Re: [Elecraft] Elecraft K1 Noise Blanker

[SteveL]

Another possibility which I thought looked interesting and has some unique 
features:

https://www.wolfwave.co.uk  
https://www.dxengineering.com/parts/sbm-wolfwave 


Steve
AA8AF

> On Dec 8, 2021, at 8:30 PM, Ken Brown  wrote:
> 
> I recently had the question on the Elecraft K1.
> - looking to buy an already built K1 Noise Blanker KNB1.
> 
> And here is the best answer to adding a noise blanker.
> 
> http://www.westmountainradio.com/product_info.php?products_id=clr_dsp
> 
> CLRdsp ClearSpeech® DSP Noise Reduction Processor $220 plus shipping
> 

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[Elecraft] Elecraft K1 Noise Blanker

[Ken Brown]

I recently had the question on the Elecraft K1.
- looking to buy an already built K1 Noise Blanker KNB1.

And here is the best answer to adding a noise blanker.

http://www.westmountainradio.com/product_info.php?products_id=clr_dsp

CLRdsp ClearSpeech® DSP Noise Reduction Processor $220 plus shipping

#58407-949

Ken
Elecraft K1 260





elecraft@mailman.qth.net
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[Elecraft] P3 SVGA card repair

[Dave Sublette]

Good afternoon,

My P3 was just returned from Elecraft, where I sent it for repair
(lightning).  The SVGA card was in the box with paperwork saying the U502
voltage regulator was replaced, but the unit was unrepairable.

Is there anyone on the list who would be willing to try and repair it?  I
know there was a discussion recently and I saved it (somewhere).  Wish I
could find it.


73,

Dave, K4TO

reply privately if you wish to mycall at  a r r l dot net
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Re: [Elecraft] K3 ATU Problem

[Mike Harris via Elecraft]

HI,

After a bit of button pressing I have noticed the following:

When doing a first tune using the internal ATU the tuning power is a set 
5W. Immediately doing an extended tune the tuning power toggles to 10W. 
It does indeed flash up in the VFO B window whilst tuning is in progress.


This is in no way controlled by any power level set by CONFIG>TUN PWR. 
My CONFIG>TUN power setting is 18W which I use to preset my Acom 1000 
amp tuning.


Regards,

Mike VP8NO

On 08/12/2021 15:42, Rick NK7I wrote:
PS  When using the tuner in the KPA1500 with the K3, it gets the 10 
watts that I have as my default.  I've not tested to see if that can be 
changed to any other value.


I also attempted an ATU tune on the K3 into a dummy load, it's too fast 
for power to be displayed.  ;-)


73,
Rick NK7I





On my K3, (Tech Mode on, just for clarity):

Config | TUN PWR  is set at 10.0 watts.  If I want it set at another 
level, I turn the main VFO knob to set that level.


I just tested that into a dummy load after setting the output per above 
to 9 watts and got 9 watts out (since reset to my default, 10).


73, Merry Christmas,
Rick NK7I


On 12/8/2021 8:34 AM, Tom Boucher wrote:

*You can set TUN PWR in the K3 Config Menu to something other than 5
watts.73,DrewAF2Z*

Drew,
Page 60 of K3 Owner's Manual states: "TUN PWR Note 1: *TUN PWR* does not
pertain to *ATU TUNE, *which always uses 5 or 10 W and is internally
controlled"

Does anyone know how to change the 'internal control' to increase from 
5 W

to 10 W?

73,
Tom G3OLB

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[Elecraft] K3 ATU Problem

[Rick NK7I]

PS  When using the tuner in the KPA1500 with the K3, it gets the 10 
watts that I have as my default.  I've not tested to see if that can be 
changed to any other value.


I also attempted an ATU tune on the K3 into a dummy load, it's too fast 
for power to be displayed.  ;-)


73,
Rick NK7I





On my K3, (Tech Mode on, just for clarity):

Config | TUN PWR  is set at 10.0 watts.  If I want it set at another 
level, I turn the main VFO knob to set that level.


I just tested that into a dummy load after setting the output per above 
to 9 watts and got 9 watts out (since reset to my default, 10).


73, Merry Christmas,
Rick NK7I


On 12/8/2021 8:34 AM, Tom Boucher wrote:

*You can set TUN PWR in the K3 Config Menu to something other than 5
watts.73,DrewAF2Z*

Drew,
Page 60 of K3 Owner's Manual states: "TUN PWR Note 1: *TUN PWR* does not
pertain to *ATU TUNE, *which always uses 5 or 10 W and is internally
controlled"

Does anyone know how to change the 'internal control' to increase from 5 W
to 10 W?

73,
Tom G3OLB
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Re: [Elecraft] K3 ATU Problem

[Rick NK7I]

On my K3, (Tech Mode on, just for clarity):

Config | TUN PWR  is set at 10.0 watts.  If I want it set at another 
level, I turn the main VFO knob to set that level.


I just tested that into a dummy load after setting the output per above 
to 9 watts and got 9 watts out (since reset to my default, 10).


73, Merry Christmas,
Rick NK7I


On 12/8/2021 8:34 AM, Tom Boucher wrote:

*You can set TUN PWR in the K3 Config Menu to something other than 5
watts.73,DrewAF2Z*

Drew,
Page 60 of K3 Owner's Manual states: "TUN PWR Note 1: *TUN PWR* does not
pertain to *ATU TUNE, *which always uses 5 or 10 W and is internally
controlled"

Does anyone know how to change the 'internal control' to increase from 5 W
to 10 W?

73,
Tom G3OLB
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[Elecraft] K3 ATU Problem

[Tom Boucher]

*You can set TUN PWR in the K3 Config Menu to something other than 5
watts.73,DrewAF2Z*

Drew,
Page 60 of K3 Owner's Manual states: "TUN PWR Note 1: *TUN PWR* does not
pertain to *ATU TUNE, *which always uses 5 or 10 W and is internally
controlled"

Does anyone know how to change the 'internal control' to increase from 5 W
to 10 W?

73,
Tom G3OLB
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Re: [Elecraft] K2 and N1MM+

[Victor Rosenthal 4X6GP]

I made a simple modification to allow this. I don't use ALC, so I 
repurposed the ALC pin in the interface connector. On the control board 
I added two 1n4148 diodes, cathodes to the former ALC pin of the 
connector and anodes to the dit and dah lines that go to the paddle.
Then I connected that wire in the plug that goes to the computer serial 
port to the DTR pin.


At this point all you have to do is activate the K2 feature that allows 
simultaneous closing of the dit and dah lines to be treated as a 
straight key, and set up N1MM for DTR keying.


73,
Victor, 4X6GP
Rehovot, Israel
CWops #5
Formerly K2VCO
https://www.qsl.net/k2vco/
On 07/12/2021 23:13, eda...@aya.yale.edu wrote:

I need advice for getting N1MM+ to play well with a K2.  I have tried it
with two different K2 rigs:  a K2 with a KIO2, and a different K2-100 with
the built in IO.  Same problem.  The K2 Port parameter is set to ON and N1MM
tracks the RX frequency, so I know the rig and the computer are
communicating.  But a keyboard command from N1MM to the rig returns the
error message --  "Unable to send this CW because there is no CW Port set in
Config."

But the CW box in the N1MM configuration screen IS checked, and "set," and
config is: 4800 N 8 1 DTR and RTS Always On (and every other possible
combination thereof); Radio on Nr 1, and PTT via radio command mode CW.  I
have also tried every possible permutation of KIO2 and KUSB cables, on both
rigs, in case of a badness there.  No change.  Same problem every time.

I know that when using my K3 with N1MM it's necessary to have the K3's menu
settings for DTR and RTS set properly to CW to match the settings in N1MM .
. . but I have found no such option in the K2 menus.  I have also read that
it can be done using a W1EL keyer, but having outboard dongles sort of
defeats my purpose.

Can it be done with just the K2/KIO2, a KUSB cable, and an ordinary
computer?

Thanks, anyone.

Ted, KN1CBR

  


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Re: [Elecraft] K2 and N1MM+

[Bill Coleman]

The N1MM documentation shows a simple circuit for keying via DTR/RTS or 
parallel port using a 1K resistor and an NPN transistor (2N or equivalent): 
https://n1mmwp.hamdocs.com/setup/interfacing/


> On Dec 8, 2021, at 9:44 AM, Bill Coleman  wrote:
> 
> 
> 
>> On Dec 7, 2021, at 4:13 PM, eda...@aya.yale.edu wrote:
>> 
>> I need advice for getting N1MM+ to play well with a K2. 
> ...
>> I know that when using my K3 with N1MM it's necessary to have the K3's menu
>> settings for DTR and RTS set properly to CW to match the settings in N1MM .
>> . . but I have found no such option in the K2 menus.  I have also read that
>> it can be done using a W1EL keyer, but having outboard dongles sort of
>> defeats my purpose.
>> 
>> Can it be done with just the K2/KIO2, a KUSB cable, and an ordinary
>> computer?
> 
> The K2 serial interface does NOT support DTR or RTS. It only supports three 
> wires - TxD, RxD and Ground.
> 
> One CAN run a K2 with KIO2 or KPA100 on a single serial port and key CW. But 
> you have to build your own adapter to take the DTR signal and key the rig 
> through the KEY connector. The adapter consists of a transistor and resistor, 
> so it can be easily built into a connector housing. 
> 
> Bill Coleman, AA4LR, PP-ASELMail: aa...@arrl.net
> Web: http://boringhamradiopart.blogspot.com
> Quote: "Not within a thousand years will man ever fly!"
>   -- Wilbur Wright, 1901
> 
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Bill Coleman, AA4LR, PP-ASELMail: aa...@arrl.net
Web: http://boringhamradiopart.blogspot.com
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901

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Re: [Elecraft] K2 and N1MM+

[Bill Coleman]

Jim,

Since the K2 has a positive key voltage, an NPN transistor is necessary. (eg 
2N, 2N3904, etc) Alternatively, one could use an enhancement-mode N-channel 
FET (eg 2N7000, etc).

> On Dec 7, 2021, at 5:25 PM, Jim Brown  wrote:
> 
> On 12/7/2021 1:13 PM, eda...@aya.yale.edu wrote:
>> Can it be done with just the K2/KIO2, a KUSB cable, and an ordinary
> 
> Remember that the DB9 connector on a K2 is NOT a standard RS232 connector. 
> Study the manual. To send CW via the computer serial port, a "level shifter" 
> is needed. It's been a while, but I think I remember DTR driving a generic 
> PNP with 5K in series with the base, and the collector to the K2 key input, 
> emitter to keying return. Someone will correct me if I'm wrong.
> 
> 73, Jim K9YC
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Bill Coleman, AA4LR, PP-ASELMail: aa...@arrl.net
Web: http://boringhamradiopart.blogspot.com
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901

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Re: [Elecraft] K2 and N1MM+

[Bill Coleman]

> On Dec 7, 2021, at 4:13 PM, eda...@aya.yale.edu wrote:
> 
> I need advice for getting N1MM+ to play well with a K2. 
...
> I know that when using my K3 with N1MM it's necessary to have the K3's menu
> settings for DTR and RTS set properly to CW to match the settings in N1MM .
> . . but I have found no such option in the K2 menus.  I have also read that
> it can be done using a W1EL keyer, but having outboard dongles sort of
> defeats my purpose.
> 
> Can it be done with just the K2/KIO2, a KUSB cable, and an ordinary
> computer?

The K2 serial interface does NOT support DTR or RTS. It only supports three 
wires - TxD, RxD and Ground.

One CAN run a K2 with KIO2 or KPA100 on a single serial port and key CW. But 
you have to build your own adapter to take the DTR signal and key the rig 
through the KEY connector. The adapter consists of a transistor and resistor, 
so it can be easily built into a connector housing. 

Bill Coleman, AA4LR, PP-ASELMail: aa...@arrl.net
Web: http://boringhamradiopart.blogspot.com
Quote: "Not within a thousand years will man ever fly!"
   -- Wilbur Wright, 1901

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Re: [Elecraft] K2 and N1MM+

[Jos Weitenberg]

Hi Ted,

For keying my K2 I use a special CW-usb cable and that works fine in N1MM

You can find this cable on Alieexpress or Ebay

73 Jos Pa3hgx

https://www.aliexpress.com/item/1005003191002335.html?spm=a2g0o.productlist.0.0.53273477baWUna&algo_pvid=f9d38970-0a0f-47d4-8aee-8a1b992bf842&algo_exp_id=f9d38970-0a0f-47d4-8aee-8a1b992bf842-1&pdp_ext_f=%7B%22sku_id%22%3A%221224583047966%22%7D

Verstuurd vanaf mijn iPad

> Op 7 dec. 2021 om 22:14 heeft eda...@aya.yale.edu het volgende geschreven:
> 
> I need advice for getting N1MM+ to play well with a K2.  I have tried it
> with two different K2 rigs:  a K2 with a KIO2, and a different K2-100 with
> the built in IO.  Same problem.  The K2 Port parameter is set to ON and N1MM
> tracks the RX frequency, so I know the rig and the computer are
> communicating.  But a keyboard command from N1MM to the rig returns the
> error message --  "Unable to send this CW because there is no CW Port set in
> Config."
> 
> But the CW box in the N1MM configuration screen IS checked, and "set," and
> config is: 4800 N 8 1 DTR and RTS Always On (and every other possible
> combination thereof); Radio on Nr 1, and PTT via radio command mode CW.  I
> have also tried every possible permutation of KIO2 and KUSB cables, on both
> rigs, in case of a badness there.  No change.  Same problem every time. 
> 
> I know that when using my K3 with N1MM it's necessary to have the K3's menu
> settings for DTR and RTS set properly to CW to match the settings in N1MM .
> . . but I have found no such option in the K2 menus.  I have also read that
> it can be done using a W1EL keyer, but having outboard dongles sort of
> defeats my purpose.
> 
> Can it be done with just the K2/KIO2, a KUSB cable, and an ordinary
> computer?
> 
> Thanks, anyone.
> 
> Ted, KN1CBR
> 
> 
> 
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