[Elecraft] K3 #395/MM

[Peter ZL1PWD]

Hi all,

I have just worked WA6CDR/MM  7080 on MV/Braveheart which is on it's way to VP6 
Ducie Is.

Rob said  I was the second K3 he had worked this evening, he was using #395

Cheers and 73

Peter ZL1PWD
K3#139

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[Elecraft] SN313 has arrived

[Phil & Debbie Salas]

Ordered May 2, no deposit.  Arrived today, Jan 30th.

Phil - AD5X
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[Elecraft] K3 current status of TX INH?

[Jerry.Van]

Thanks for the response Dave.  Yes the Acom (and other amps w. qsk 
keying
loops) will work well without TX EN/INH wired.  But Acom recommends 
using it

whenever possible.  It provides not only a safety valve to cutoff the
transmitter instantly when there's a serious fault in the amp, but also
potentially provides improved qsk if the transceiver's timing fully 
supports

the keying loop.

I was just informed of a reflector posting of Dec 23 that I must have 
missed

(apologies) from Jerry N8BM at
http://mailman.qth.net/pipermail/elecraft/2007-December/079341.html

It's obvious upon reading Jerry's posting that an amplifier keying loop
function is NOT yet implemented on the K3, despite the firmware change 
to TX
INH - there's currently no way to get the K3 out of inhibit mode and 
begin

xmsn if it ignores PTT/key input while in inhibit mode.

So all we can do is wait and hopefully Elecraft will eventually announce
that they have indeed implemented support for amplifier keying loop in a 
new

firmware update.

73,
Barry N1EU
-
Barry,

Thank you for your most welcome post and the mention of my December 
post.  I agree with you wholeheartedly and I'd like to take the 
opportunity to post a possible solution that both of us seem to share.


I am thinking that a 3rd parameter for TX INH could be implemented. 
Let's call it "TX INH - KEY LOOP" or whatever.  When that function is 
selected it will perform in a similar manner as HI=INH except that the 
K3 will be allowed to transmit by its normal mechanisms.  The sequence 
would be; key the K3, KEY OUT on the K3 goes low, a low being sensed at 
the amp's KEY IN would start the amp's internal sequence and when that 
sequence is completed the amp's KEY OUT line goes low, the amp's KEY OUT 
line (connected to the K3's TX INH port) which is now low causes the K3 
to start sending RF immediately and without it's normal 10-15 ms. delay. 
In the situation (and Barry seems to agree) where the amp's KEY OUT line 
goes high while the K3's KEY OUT is still low I am thinking that the amp 
is sensing some problem either internally within itself or some external 
problem in which case the K3 should immediately drop RF and cause it's 
KEY OUT line to go high.  Finally, it would appear that some sort of 
pull-up will be required which could be added by Elecraft or a user 
following a procedure outlined by Elecraft.


I do hope that Elecraft will further consider the implementation of an 
amp keying loop.  While I realize that a key loop amp will key with or 
without a keying loop I would prefer following an amp manufacturers 
recommendation when they suggest its use.


Jerry N8BM


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Re: [Elecraft] K3 current status of TX INH?

[Barry N1EU]

Thanks for the response Dave.  Yes the Acom (and other amps w. qsk keying
loops) will work well without TX EN/INH wired.  But Acom recommends using it
whenever possible.  It provides not only a safety valve to cutoff the
transmitter instantly when there's a serious fault in the amp, but also
potentially provides improved qsk if the transceiver's timing fully supports
the keying loop.

I was just informed of a reflector posting of Dec 23 that I must have missed
(apologies) from Jerry N8BM at
http://mailman.qth.net/pipermail/elecraft/2007-December/079341.html

It's obvious upon reading Jerry's posting that an amplifier keying loop
function is NOT yet implemented on the K3, despite the firmware change to TX
INH - there's currently no way to get the K3 out of inhibit mode and begin
xmsn if it ignores PTT/key input while in inhibit mode.

So all we can do is wait and hopefully Elecraft will eventually announce
that they have indeed implemented support for amplifier keying loop in a new
firmware update.

73,
Barry N1EU



Dave G4AON wrote:
> 
> Barry
> 
> I run a K3/100 with an Acom 1000 on CW and can confirm the Acom 1000 
> doesn't need TX inhibit wiring. I cannot comment on other Acom 
> amplifiers. While the manual doesn't state the change over time of the 
> amplifier, discussion with the UK importer suggests it is changed over 
> prior to the 10 mS delay present with the K3 before RF appears.
> 
> The connections are a single phono to phono screened lead between the K3 
> and Acom for the keying and PL259 to PL259 for RF.
> 
> 73 Dave, G4AON
> K3/100 #80
> 
> 
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-- 
View this message in context: 
http://www.nabble.com/K3-current-status-of-TX-INH--tp15190922p15196916.html
Sent from the Elecraft mailing list archive at Nabble.com.

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[Elecraft] Mini-modules: BNC Hex Nuts

[Dave Van Wallaghen]

Does anyone know a good source for hex nuts that fit the BNC PCB connectors
used in the various mini-module kits? Lock washers? How about in nylon?

Thanks in advance,
Dave W8FGU

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RE: [Elecraft] TX audio passband and ESSB

[Greg]

When ESSB is enabled in FW it should be different, but not till then.

73
Greg
AB7R


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Jay Schwisow
Sent: Wednesday, January 30, 2008 5:59 PM
To: Elecraft Discussion List
Subject: [Elecraft] TX audio passband and ESSB


I saw a note from Lyle that indicated that the TX audio passband was 
250hz to 3150hz.  Would this be any different with the 6khz roofing 
filter(& ESSB enabled) or is it a firmware issue at this time?

Jay - KT5E
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[Elecraft] TX audio passband and ESSB

[Jay Schwisow]

I saw a note from Lyle that indicated that the TX audio passband was 
250hz to 3150hz.  Would this be any different with the 6khz roofing 
filter(& ESSB enabled) or is it a firmware issue at this time?


Jay - KT5E
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[Elecraft] OT: best source of latest propagation news?

[Converse, Robert]

To help decide where to direct signals from my shiny new K3, can anyone
suggest a good web source for propagation news and forecasts?

73,
Bob, WO3E




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Re: [Elecraft] Re: Mics for K3

[Robert Brigham]

Bob et. al..,
I am in the process of matching my D-104 to my K2 with
a darlinton transistor emitter follower circuit to
bring the roughly 250kOhm element impedence down to
about 600 ohms. Got it to work fine with the  K2
running QRP, but everything goes
to-hell-in-a-handbasket once I ramp up the power. I'm
powering the circuit off of the +5Vv pin the mic jack.
I've grounded the mic jack shield and inserted a
cap+toroid inductor filter on the +5v. This got the
QRP version on the air, but I clearly have to do more
when running 100w. So, if you can get the job done
with just a transformer, that may be the simplest
solution [and if you locate a good transformer forward
the part number :) ].
Rob
KC6ROC
K2/100 #5924
--- "Robert C.Abell" <[EMAIL PROTECTED]> wrote:

> Attn. DW Holtman,
> 
> I too have and use the Astatic 7077 mic for my Drake
> TR-7 and have a D-104 for my 
> Collins KWM-2A. I doubt that they will work with an
> Elecraft K3. They are high impedence
> mics and the K3 would need a low impedence mic.
> You may be able to hook them up through a matching
> transformer however.
> IMHO.
> 
> 73, Bob  VE3XM
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> 



  

Never miss a thing.  Make Yahoo your home page. 
http://www.yahoo.com/r/hs
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Re: [Elecraft] K3 SN 295 is in NJ

[Mike Harris]

Good day,

Things must be hotting up.  I've received the email from Lisa re impending 
despatch of my K3 ordered 21 May.

Regards,

Mike VP8NO

| Shipped Jan 23, 2008 (UPS ground).
| Arrived today, Jan 30, 2008.
|
| Ordered the morning of May 18 with payment in full.
|
| I'll do some inventory tonight and plan to finish the build Saturday
| before noon.  So far, all I've done is open the big box, remove the
| "snow" and the KPA3 box, and that's when I saw the label for the K3
| itself with a handwritten SN 295 on it (on the label).
|
| Color me happy.
|
| de Doug KR2Q

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[Elecraft] K3 SN 295 is in NJ

[DOUGLAS ZWIEBEL]

Shipped Jan 23, 2008 (UPS ground).
Arrived today, Jan 30, 2008.

Ordered the morning of May 18 with payment in full.

I'll do some inventory tonight and plan to finish the build Saturday
before noon.  So far, all I've done is open the big box, remove the
"snow" and the KPA3 box, and that's when I saw the label for the K3
itself with a handwritten SN 295 on it (on the label).

Color me happy.

de Doug KR2Q
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Re: [Elecraft] K3 plastic knurled knobs

[Doug Faunt N6TQS +1-510-655-8604]

It turns out that mine is now 11 years old, and still sorta useful,
but their web catalog is OUTSTANDING.  If you've got wireless and a
laptop, you can even browse on the toilet, and given the size of the
paper one, many laptops are lighter.

73, doug

   Date: Wed, 30 Jan 2008 03:22:26 -0500
   From: Bob <[EMAIL PROTECTED]>

   Hi Don,

   You are right getting a paper catalog was like pulling 
   teeth.  They are tough to get a catalog from.  But in their defense they 
   surely are not cheap.  A 10 year old catalog is almost as good as a new 
   one.  An old catalog number is always good, if the product changes they 
   will tell you the new best replacement. and any differences. Before I 
   retired and had tried to get a catalog  by phone they would tell me who 
   had one I could possibly use.  I did get a hand me down copy. 

   As a reference book they are worth their weight in gold. The 
   information in them  and how to select the correct item is priceless. 

Service is better than great.  I'm in NJ and can call at 6P 
   and the order will be at my door the next day for standard UPS rates, 
   not overnight or extra charges for their prompt service.   I don't ever 
   recall an "out of stock "  order.

An amazing outfit.

   73,
   Bob
   K2TK

   Don Wilhelm wrote:

   > Doug,
   >
   > You 'cheated' and looked at their website - I am the proud recipient 
   > of a paper McMaster-Carr catalog - it is now 7 years old and it took 3 
   > years of requests to get it.  They do have a lot of good hardware 
   > stuff and provide great service.
   >
   > 73,
   > Don W3FPR
   >


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[Elecraft] Corrected K3 MCU Firmware, rev. 1.66 (fixes ATU TUNE problem)

[Don Rasmussen]

>> If you loaded K3 MCU revision 1.65, please load
revision 1.66 instead 

Thanks Wayne,

But I am still exploring the more basic options for
K3, last night I used the NR button "in battle" for
the first time. 40m SSB at night. All transceivers
have the button it seems but the effect (or ineffect)
varies greatly.

To my amazement, the noise level reduced - a couple
S-units. There were no undesirable side affects, and
the recovered audio sounded pleasingly natural in
comparison to what I know of NR.

The biggest treat was, press the button and it worked,
no fussing with it to try to improve the effect - only
to be disappointed. 

One simple button, every radio has it, but oh what a
difference.

Tonight we try the blanker or some other button to
find out how it's really supposed to work. ;-)

de wb8yqj


[Elecraft] Corrected K3 MCU Firmware, rev. 1.66 (fixes
ATU TUNE problem)
wayne burdick n6kr at elecraft.com 
Wed Jan 30 16:37:44 EST 2008 

Previous message: [Elecraft] K1 RF Board - Resistance
Checks 
Messages sorted by: [ date ] [ thread ] [ subject ] [
author ] 



If you loaded K3 MCU revision 1.65, please load
revision 1.66 instead, 
which fixes a problem with ATU TUNE that was reported
by a few 
customers. Rev. 1.66 is now available on our web site.

In version 1.65, tapping ATU TUN would incorrectly use
the power level 
set in the new TUN PWR menu entry, and afterward would
set the power 
knob to this TUN PWR value.

The ATU TUNE power level is automatically controlled
by firmware (5 W 
and 10 W are used, depending on the SWR). The TUN PWR
menu entry only 
sets the power level for the regular TUNE switch.

73,
Wayne
N6KR


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[Elecraft] Corrected K3 MCU Firmware, rev. 1.66 (fixes ATU TUNE problem)

[wayne burdick]

If you loaded K3 MCU revision 1.65, please load revision 1.66 instead, 
which fixes a problem with ATU TUNE that was reported by a few 
customers. Rev. 1.66 is now available on our web site.


In version 1.65, tapping ATU TUN would incorrectly use the power level 
set in the new TUN PWR menu entry, and afterward would set the power 
knob to this TUN PWR value.


The ATU TUNE power level is automatically controlled by firmware (5 W 
and 10 W are used, depending on the SWR). The TUN PWR menu entry only 
sets the power level for the regular TUNE switch.


73,
Wayne
N6KR


---

http://www.elecraft.com

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Re: [Elecraft] K1 RF Board - Resistance Checks

[Joseph M. Durnal]

It is a DMM - sorry.  $3 hamfest special, no brand, but it says model
DM-301 on it!

Thanks - you've sort of answered my question about the waiting about a
second to get a reading too.

73 de Joseph Durnal NE3R

On Jan 30, 2008 2:44 PM, Don Wilhelm <[EMAIL PROTECTED]> wrote:
> Joseph,
>
> You said you were using a VOM to measure resistance, and that may be your
> problem.  Many VOMs use a battery voltage when measuring resistance that is
> high enough to turn on solid state devices and can even destroy them.
>
> Use a DMM for better results.  Even the $5 to $10 ones perpetually 'on sale'
> at Harbor Freight Tools will give good results - cheap DMMs are accurate,
> they do take more time for the readings to settle down than the expensive
> ones, but if you wait about a second, they will tell you the correct story.
>
> 73,
> Don W3FPR
>
> Joseph M. Durnal wrote:
>
> Well that is a big help! Thanks. At least this time I know how to
> count the
> pins on an IC, when I built the Filter board, I didn't but
> assumed I did and
> was very confused.
>
> Pin 3 starts at about 20k for a second or less then
> jumps to well over 50k.
>
>
> Thanks & 73 de Joseph Durnal NE3R
>
> On Jan 30, 2008
> 2:09 PM, Strode, Carl R <[EMAIL PROTECTED]> wrote:
>
>
>
> U4 pin 4 reads only 0.4 ohms - I think I have a problem here, but I have no
> idea what it could be, the manual said it should be > 50k.
> The schematic
> seems to show it as a ground.
>
> You should be checking U4 Pin 3
> Pin 4 is
> indeed ground.
>
>
> Carl Strode
> WA7CS
>
>
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>
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[Elecraft] K3 current status of TX INH?

[Dave G4AON]

Barry

I run a K3/100 with an Acom 1000 on CW and can confirm the Acom 1000 
doesn't need TX inhibit wiring. I cannot comment on other Acom 
amplifiers. While the manual doesn't state the change over time of the 
amplifier, discussion with the UK importer suggests it is changed over 
prior to the 10 mS delay present with the K3 before RF appears.


The connections are a single phono to phono screened lead between the K3 
and Acom for the keying and PL259 to PL259 for RF.


73 Dave, G4AON
K3/100 #80


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Re: [Elecraft] Remoting the K2

[Larry Phipps]

A router with DDNS support can do this automatically. Plus, the firewall 
is only open to a piece of hardware that converts serial port data into 
TCP port data... not to a PC. Nobody is going to hack into a black box 
with dedicated firmware when there are millions of Windows machines out 
there to hack into. There is very little risk in that, unless I'm 
missing something (not unheard of, BTW ;-)


Larry N8LP



Brett Howard wrote:

The only problem is that the location with the dynamic IP is the station in
which he's connecting from.  And if he was to lock down the connection at
the firewall to an IP he'd have to change that whenever he got a new dynamic
address.  


It's a bad idea to tie a secure connection to a resolveable name.  Those are
much easier to spoof than an IP.  But I guess its at least still better than
leaving it wide open.  Although I don't think most firewalls will allow you
to put in a resolveable address.  That would mean it would have to
technically re-resolve it whenever each packet came in.  Or after each DNS
cache flush.  


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Larry Phipps
Sent: Wednesday, January 30, 2008 5:39 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Remoting the K2

Hi Stephen. Check out DynDNS. They provide a free service that 
correlates an alphanumeric IP alias address with your currently assigned 
numeric IP address. A utility on your PC provides your address to their 
server. The service is called DDNS. Some routers have this built in. 
Instead of an address like nnn.nnn.nnn.nnn, the address of your PC 
becomes something like g4dsp.homeip.net. The server finds you based on 
its knowledge of your actual address. I believe this is discussed in one 
of the sections of my website (www.telepostinc.com) under the heading 
Remote Base Station Related Stuff...


I posted an email about this to the list in response to your earlier 
inquiry, but I forgot to change the Subject (it was posted from a digest 
entry), so you may have missed it. There is lots of interesting info 
about the remote control system I use there.


73,
Larry N8LP



  

Date: Wed, 30 Jan 2008 07:55:13 +
From: Stephen Prior <[EMAIL PROTECTED]>
Subject: [Elecraft] Remoting the K2
To: elecraft 
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain;   charset="US-ASCII"

Thanks to all with their help and advice which I must now mull over.  One
thing that has (rather late in the day) occurred to me is that I do not


have
  

a static IP address from my ISP.  So I could, presumably, look up the
address given and use that, accepting that I shall have to change the
settings every time I reboot the router which is very rarely.

73 Stephen G4SJP


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Re: [Elecraft] Remoting the K2

[Stephen Prior]

Larry (thanks for the email) and Brett

Thanks for your continued thoughts on this.  I'm not sure, however, that I
have made the situation clear enough.  The computer (Mac) connected to the
K2 is at home and is the one with the dynamic IP address.  Does it matter
what type of address the work network has?

I'm working outside of my experience here, as you can probably tell!

73 Stephen G4SJP 


On 30/1/08 19:28, "Brett Howard" <[EMAIL PROTECTED]> wrote:

> The only problem is that the location with the dynamic IP is the station in
> which he's connecting from.  And if he was to lock down the connection at
> the firewall to an IP he'd have to change that whenever he got a new dynamic
> address.  
> 
> It's a bad idea to tie a secure connection to a resolveable name.  Those are
> much easier to spoof than an IP.  But I guess its at least still better than
> leaving it wide open.  Although I don't think most firewalls will allow you
> to put in a resolveable address.  That would mean it would have to
> technically re-resolve it whenever each packet came in.  Or after each DNS
> cache flush.  
> 
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Larry Phipps
> Sent: Wednesday, January 30, 2008 5:39 AM
> To: elecraft@mailman.qth.net
> Subject: [Elecraft] Remoting the K2
> 
> Hi Stephen. Check out DynDNS. They provide a free service that
> correlates an alphanumeric IP alias address with your currently assigned
> numeric IP address. A utility on your PC provides your address to their
> server. The service is called DDNS. Some routers have this built in.
> Instead of an address like nnn.nnn.nnn.nnn, the address of your PC
> becomes something like g4dsp.homeip.net. The server finds you based on
> its knowledge of your actual address. I believe this is discussed in one
> of the sections of my website (www.telepostinc.com) under the heading
> Remote Base Station Related Stuff...
> 
> I posted an email about this to the list in response to your earlier
> inquiry, but I forgot to change the Subject (it was posted from a digest
> entry), so you may have missed it. There is lots of interesting info
> about the remote control system I use there.
> 
> 73,
> Larry N8LP
> 
> 
> 
>> Date: Wed, 30 Jan 2008 07:55:13 +
>> From: Stephen Prior <[EMAIL PROTECTED]>
>> Subject: [Elecraft] Remoting the K2
>> To: elecraft 
>> Message-ID: <[EMAIL PROTECTED]>
>> Content-Type: text/plain;charset="US-ASCII"
>> 
>> Thanks to all with their help and advice which I must now mull over.  One
>> thing that has (rather late in the day) occurred to me is that I do not
> have
>> a static IP address from my ISP.  So I could, presumably, look up the
>> address given and use that, accepting that I shall have to change the
>> settings every time I reboot the router which is very rarely.
>> 
>> 73 Stephen G4SJP
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RE: [Elecraft] Remoting the K2

[Brett Howard]

The only problem is that the location with the dynamic IP is the station in
which he's connecting from.  And if he was to lock down the connection at
the firewall to an IP he'd have to change that whenever he got a new dynamic
address.  

It's a bad idea to tie a secure connection to a resolveable name.  Those are
much easier to spoof than an IP.  But I guess its at least still better than
leaving it wide open.  Although I don't think most firewalls will allow you
to put in a resolveable address.  That would mean it would have to
technically re-resolve it whenever each packet came in.  Or after each DNS
cache flush.  

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Larry Phipps
Sent: Wednesday, January 30, 2008 5:39 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] Remoting the K2

Hi Stephen. Check out DynDNS. They provide a free service that 
correlates an alphanumeric IP alias address with your currently assigned 
numeric IP address. A utility on your PC provides your address to their 
server. The service is called DDNS. Some routers have this built in. 
Instead of an address like nnn.nnn.nnn.nnn, the address of your PC 
becomes something like g4dsp.homeip.net. The server finds you based on 
its knowledge of your actual address. I believe this is discussed in one 
of the sections of my website (www.telepostinc.com) under the heading 
Remote Base Station Related Stuff...

I posted an email about this to the list in response to your earlier 
inquiry, but I forgot to change the Subject (it was posted from a digest 
entry), so you may have missed it. There is lots of interesting info 
about the remote control system I use there.

73,
Larry N8LP



> Date: Wed, 30 Jan 2008 07:55:13 +
> From: Stephen Prior <[EMAIL PROTECTED]>
> Subject: [Elecraft] Remoting the K2
> To: elecraft 
> Message-ID: <[EMAIL PROTECTED]>
> Content-Type: text/plain; charset="US-ASCII"
>
> Thanks to all with their help and advice which I must now mull over.  One
> thing that has (rather late in the day) occurred to me is that I do not
have
> a static IP address from my ISP.  So I could, presumably, look up the
> address given and use that, accepting that I shall have to change the
> settings every time I reboot the router which is very rarely.
>
> 73 Stephen G4SJP
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RE: [Elecraft] firmware update

[Dick Dievendorff]

Thanks!  I like to hear a few success stories...

"Available" means that the firmware file exists on your PC.  "Installed in
K3" means the firmware currently in the radio..  "Download" is ambiguous.
There's one "download" from the Elecraft FTP site into the Firmware folder
of your Personal Computer.  Then there's a "download" of files from your PC
into the K3.  Because of this ambiguity, I tried to avoid the use of
"download" in all the K3 Utility's messages and Help text. Instead I say
"copy files from Elecraft to your PC" and "Send files to K3" to distinguish
between the two "download" operations.  

The K3 Utility should have copied the DSP2 code file from the Elecraft FTP
server to your Firmware Folder.  I just tested it, and I got a copy of
HAUX0137.hex copied into my Firmware Folder when I clicked "Check Versions"
with "Copy files from Elecraft" selected.

However, this file is for the DSP within the KRX3 second receiver option
(DSP2). If you don't have the KRX3 option installed (and enabled, through
the CONFIG:KRX3 menu selection) then it can't be successfully "installed"
(sent to the radio).  The KRX3 isn't yet released, but the K3 Utility is
being used by firmware developers to send firmware to a separate DSP board
for the 2nd receiver.

The KRX3 is more than just the DSP2, so they're not identical.  The DSP2
(sometimes called the "aux" DSP) is a board that installs between the main
receiver's DSP board and the front panel board.  The KRX3 2nd receiver
option consists of the AUX DSP board plus another board (or boards) that
carry the RF components (and a place to plug in filters).

In the K3 Utility Help text (which I recently beefed up a bunch, there's a
new K3 Utility version just published a few minutes ago), I mention in a
couple of places that DSP2 is for the optional KRX3 second receiver.  

73 de Dick, K6KR


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of H. Cary III
Sent: Wednesday, January 30, 2008 10:40 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] firmware update

I just downloaded the latest Firmware update  MCU v1.65 and DSP v1.52
It was a piece of cake, literally!  Took four minutes max, more like 3 and a
half.
The screen showed a DSP 2 version available but it did not download.
Did I do something wrong?
73,
Cary, K4TM
K3-100 #178
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[Elecraft] K3 #0215 - d/l probs again.

[Mike]

Thanks to all who replied so promptly!

Please see my second post for the resolution of MY problem...YMMV. 
(At 71 y.o., 35 of which were spent at sea, my mileage is way too high!!!).


73 de Mike, zl1mh.
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Re: [Elecraft] K1 RF Board - Resistance Checks

[Joseph M. Durnal]

Well that is a big help!  Thanks.  At least this time I know how to
count the pins on an IC, when I built the Filter board, I didn't but
assumed I did and was very confused.

Pin 3 starts at about 20k for a second or less then jumps to well over 50k.


Thanks & 73 de Joseph Durnal NE3R

On Jan 30, 2008 2:09 PM, Strode, Carl R <[EMAIL PROTECTED]> wrote:
>
>
> U4 pin 4 reads only 0.4 ohms - I think I have a problem here, but I have no 
> idea what it could be, the manual said it should be > 50k.
> The schematic seems to show it as a ground.
>
> You should be checking U4 Pin 3
> Pin 4 is indeed ground.
>
>
> Carl Strode
> WA7CS
>
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[Elecraft] K3 304

[Oluf Henriksen]

My K3/10 ser. nr. 304 arrived monday jan. 28. Today worked UW1GZ and 4O/YX1HA, 
but now I better begin to study the manuel. What a beauty.

OZ6OG

K2: 5905
K3 304
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RE: [Elecraft] K1 RF Board - Resistance Checks

[Strode, Carl R]

U4 pin 4 reads only 0.4 ohms - I think I have a problem here, but I have no 
idea what it could be, the manual said it should be > 50k.
The schematic seems to show it as a ground.

You should be checking U4 Pin 3
Pin 4 is indeed ground.


Carl Strode
WA7CS
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[Elecraft] K1 RF Board - Resistance Checks

[Joseph M. Durnal]

I'm working on the RF board and I've reached the first chance to do
resistance checks in the manual and I have some questions and one
major concern.

There are a few checks that when I first touch the meter to it will
flash a few ohms and within a second go to the desired value.

For example (from PG 29):
With the meters negitave lead on the ground near J7,
P1 pin 8 reads about 150 ohms (it varies slightly from test to test)
for less than a second then goes over 100k ohms

U3 pin 3 shows 46 with the VOM set to 200K.  I really don't know what
that means, I'm thinking that is 46,000 ohms, which is less than 200k
U3 pin 5 is shows 20 with the VOM set to 20K, again, I'm assuming that
is 20k, which is greater than 10k

Now for my major concern,
U4 pin 4 reads only 0.4 ohms - I think I have a problem here, but I
have no idea what it could be, the manual said it should be > 50k.
The schematic seems to show it as a ground.

I'm glad I started with a K1 - I don't think I was really ready for
it.  I can't even figure out how to read my VOM (although I'm going to
go practice on some known value resistors while waiting for replies to
this e-mail).  Still, when I get this radio to work, I'm sure going to
enjoy making QSOs.  Then comes the K3 but I also hope to build a K2
down the road as well.

Thanks & 73 de Joseph Durnal NE3R
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Re: [Elecraft] firmware update

[w6jd]

DSP 2 is for the sub-receiver which does not yet exist.

Doug
W6JD

-- Original message -- 
From: "H. Cary III" <[EMAIL PROTECTED]> 

> I just downloaded the latest Firmware update MCU v1.65 and DSP v1.52 
> It was a piece of cake, literally! Took four minutes max, more like 3 and a 
> half. 
> The screen showed a DSP 2 version available but it did not download. 
> Did I do something wrong? 
> 73, 
> Cary, K4TM 
> K3-100 #178 
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[Elecraft] firmware update

[H. Cary III]

I just downloaded the latest Firmware update  MCU v1.65 and DSP v1.52
It was a piece of cake, literally!  Took four minutes max, more like 3 and a 
half.
The screen showed a DSP 2 version available but it did not download.
Did I do something wrong?
73,
Cary, K4TM
K3-100 #178
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[Elecraft] K3 #306 delivered

[Larry Phipps]

For those keeping track...

Ordered 4-30-07, no deposit
Shipped 1-24-08
Delivered 1-30-08

Now the fun starts ;-)

Larry N8LP


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Re: [Elecraft] ESD Mats

[Jerry Keller (K3BZ)]

I have that homebrew article if anyone needs it.
73, Jerry K3BZ
- Original Message - 
From: "DW Holtman" <[EMAIL PROTECTED]>
To: "Lee Buller" <[EMAIL PROTECTED]>; "Elecraft Reflector" 


Sent: Wednesday, January 30, 2008 11:32 AM
Subject: Re: [Elecraft] ESD Mats



Hello,

One source of ESD stations is Radio Shack.

The RS Part number is, 276-2370. It is a complete kit, priced at $24.99

The web address is

http://www.radioshack.com/product/index.jsp?productId=2102871&cp=&sr=1&origkw=static+mat&kw=static+mat&parentPage=search

There was also an article in QST, Jan 2000 on homebrewing an ESD mat, but 
I don't have it. Wish I did.



Best,
DW Holtman
WB7SSN

- Original Message - 
From: "Lee Buller" <[EMAIL PROTECTED]>

To: "Elecraft Reflector" 
Sent: Wednesday, January 30, 2008 9:24 AM
Subject: [Elecraft] ESD Mats





Where can one find a inexpensive ESD mat?  Or what can be used as an ESD 
mat?  Also, what about a ESD wrist attachment?  Where do you find them?


Also, I guess you would hook them to the station ground?

Comments are welcome

Lee - K0WA



In our day and age it seems that Common Sense is in short supply.  If you 
don't have any Common Sense - get some Common Sense and use it.  If you 
can't find any Common Sense, ask for help from somebody who has some 
Common Sense.  Is Common Sense divine?

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Re: [Elecraft] K3 Firmware Update

[Ian J Maude]

David Ferrington, M0XDF wrote:

I meant a Tap to start tune, currently its a HOLD to start tune, followed by
a TAP to stop - yeah, ok, its a matter of a second.
  
Personally, I would prefer to hold the tune button, that way I cannot 
put it into actual tx by accident.  Xmit will only actually send 
anything if you speak or key.  Catching the tune button actually puts 
out power.


73 Ian

--

Ian J Maude, G0VGS
SysOp GB7MBC DX Cluster
Member RSGB, GQRP
K2 #4044 |K3 #?

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[Elecraft] K3 current status of TX INH?

[Barry N1EU]

There was much discussion in Nov/Dec of using the Aux I/O Pin 7 TX INH line
as part of a qsk keying loop interface with modern amplifiers (e.g. Acom). 
Wayne indicated in December that the firmware change was being made (see
http://mailman.qth.net/pipermail/elecraft/2007-December/079205.html)

Can someone confirm that selection of OFF/LO=INH/HI=INH  is now in
production firmware?

I believe that Acom amplifier interfacing will require setting it to HI=INH
(i.e., a low level will enable tx).   Is there a convenient +5V source for
wiring the required pull-up resistor to Aux I/O Pin 7?

To date, has anybody actually implemented this in their K3 - amplifier
interface and can report on how well it is working?


Thanks/73,
Barry N1EU
-- 
View this message in context: 
http://www.nabble.com/K3-current-status-of-TX-INH--tp15188183p15188183.html
Sent from the Elecraft mailing list archive at Nabble.com.

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RE: [Elecraft] ESD Mats

[John King]

I picked up a good quality name brand mat on Ebay
for $35. It included the ground kit and a bottle
of cleaning solution.

The seller is Stanley Supply and Services.
They have more - see Ebay item 200195839901

No connection with the seller, just a happy buyer.

73,
  john  WA1ABI
  


> > Where can one find a inexpensive ESD mat? Or what can be used 
> as an ESD mat? 
> > Also, what about a ESD wrist attachment? Where do you find them? 
> > 
> > Also, I guess you would hook them to the station ground? 
> > 
> > Comments are welcome 
> > 
> > Lee - K0WA 
> > 

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Re: [Elecraft] K3 Firmware Update

[David Ferrington, M0XDF]

I meant a Tap to start tune, currently its a HOLD to start tune, followed by
a TAP to stop - yeah, ok, its a matter of a second.


On 30/1/08 17:45, "G4ILO" <[EMAIL PROTECTED]> sent:

> 
> 
> M0XDF wrote:
>> 
>> Not to look a gift horse in the mouth, but at some point, it might be nice
>> to be  able to tune with a button tap instead of a press - I don't use
>> [XMIT] at all, but do use [TUNE] a lot, I'd like to be able to swap the
>> function.
> 
> I think that might be hard to achive, because the K3 would have to know
> whether you'd finished tuning or not. Knowing Elecraft, a mind reading
> add-on is probably in the works.


-- 
A child, like your stomach, doesn't need all you can afford to give it.
-Frank A. Clark, writer (1911- )


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Re: [Elecraft] ESD Mats

[starmike]

I went on the CompUSA website and ordered mine.  I thought they were a 
resonsable price

Mike, N4GW

-- Original message from Lee Buller <[EMAIL PROTECTED]>: 
-- 


> 
> 
> Where can one find a inexpensive ESD mat? Or what can be used as an ESD mat? 
> Also, what about a ESD wrist attachment? Where do you find them? 
> 
> Also, I guess you would hook them to the station ground? 
> 
> Comments are welcome 
> 
> Lee - K0WA 
> 
> 
> 
> In our day and age it seems that Common Sense is in short supply. If you 
> don't 
> have any Common Sense - get some Common Sense and use it. If you can't find 
> any 
> Common Sense, ask for help from somebody who has some Common Sense. Is Common 
> Sense divine? 
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[Elecraft] K3/100 #325 Arrives

[F5VJC]

K3 /100 serial no. 325 arrived 1100 Jan 30th in Brittany France!
Build under way, Please Do Not Disturb :)

Thanks to all at Elecraft for this wonderful kit.

73, Deni
F5VJC

-
73, Deni F5VJC

Yes I'm waiting for my K3 too...:confused:
-- 
View this message in context: 
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Re: [Elecraft] Re: Elecraft BL2 Balun

[Don Wilhelm]

Bob,

Sorry, but I must disagree with you.  Both the 1:1 and the 4:1 
configurations are current baluns.


73,
Don W3FPR

Robert C.Abell wrote:

It is equipped with a switch allowing it to be either a current or voltage 
balun.

73, Bob  VE3XM

  

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Re: [Elecraft] K3 Firmware Update

[G4ILO]

M0XDF wrote:
> 
> Not to look a gift horse in the mouth, but at some point, it might be nice
> to be  able to tune with a button tap instead of a press - I don't use
> [XMIT] at all, but do use [TUNE] a lot, I'd like to be able to swap the
> function.

I think that might be hard to achive, because the K3 would have to know
whether you'd finished tuning or not. Knowing Elecraft, a mind reading
add-on is probably in the works.


> As a matter of curiosity, what do people use [XMIT] for?
> 

Given that my new Heil desk mic doesn't have a locking PTT, I'd probably use
it for rag chew voice QSOs to avoid having to keep pressing the button down.
The only reason I haven't actually used it for that is that I don't use
phone that much.

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
-- 
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[Elecraft] K3 Notch

[Stewart Baker]

With the number of spurious carriers around I used to keep the K2
Auto notch permanently on. With the K3 it is set Off on Power up.

Can the Notch setting be left to the operator, as having to
reinstate the Notch each time is a pain ?

73
Stewart G3RXQ



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[Elecraft] K3/100 #310 is here...

[Karza]

Hi gang,

K3/100 kit #310 arrived today. Ordered May 2:nd 07 with no deposit.

And now back to the inventory...

73's de Kari
oh2gqc
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Re: [Elecraft] K3 #0215 d/l probs again

[David Ferrington, M0XDF]

Do you also have KRX3 set to something other than 'NOT INST'?
DSP2 is for the sub-receiver and I wonder if its getting confused by that?


On 30/1/08 17:27, "Mike" <[EMAIL PROTECTED]> sent:

> Hello again.
> After sending my last post, I tried one more thing - maybe I should have
> tried it earlier!
> 
> I went back to K3UTIL firmware download & UNchecked the MCU & DSP1
> boxes, then clicked on  'Send all new f/w to K3' - and this time the
> complete download went smoothly. Now have 01.65 and 01.52 installed &
> working ok.
> 
> I will wait for the experts to tell me why this worked!
> 
> Thanks, & apologies for the bandwidth.
> 
> Mike, zl1mh.
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-- 
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understand the simplicity. -- Dennis Ritchie



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[Elecraft] K3 #0215 d/l probs again

[Mike]

Hello again.
After sending my last post, I tried one more thing - maybe I should have 
tried it earlier!


I went back to K3UTIL firmware download & UNchecked the MCU & DSP1 
boxes, then clicked on  'Send all new f/w to K3' - and this time the 
complete download went smoothly. Now have 01.65 and 01.52 installed & 
working ok.


I will wait for the experts to tell me why this worked!

Thanks, & apologies for the bandwidth.

Mike, zl1mh.
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RE: [Elecraft] Re: Mics for K3

[Joe Subich, W4TV]

> You may be able to hook them up through a matching 
> transformer however.

You could also use a simple one or two FET/Transistor 
preamplifier/buffer powered by the electret bias.  There 
are several such circuits floating around for the D-104. 
They would require only minor modifications to use bias 
on the mic lead instead of a separate wire or battery. 

73, 

   ... Joe, W4TV 
 



> -Original Message-
> From: [EMAIL PROTECTED] 
> [mailto:[EMAIL PROTECTED] On Behalf Of Robert C.Abell
> Sent: Wednesday, January 30, 2008 12:11 PM
> To: [EMAIL PROTECTED]
> Cc: elecraft@mailman.qth.net
> Subject: [Elecraft] Re: Mics for K3
> 
> 
> Attn. DW Holtman,
> 
> I too have and use the Astatic 7077 mic for my Drake TR-7 and 
> have a D-104 for my 
> Collins KWM-2A. I doubt that they will work with an Elecraft 
> K3. They are high impedence
> mics and the K3 would need a low impedence mic.
> You may be able to hook them up through a matching 
> transformer however.
> IMHO.
> 
> 73, Bob  VE3XM
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> 

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Re: [Elecraft] Q: PowerPole connectors

[David Ferrington, M0XDF]

Yes, I agree, I purchased the West Mountain Radio Deluxe one and very
pleased with it.
It meant shipping to the UK, but well worth it, if you are going to do a lot
of crimping - I converted ALL 12V leads that didn't have some form of
regulator (cigarette type) to PPs.


On 30/1/08 16:55, "Carl Clawson" <[EMAIL PROTECTED]> sent:

> 
> 
> To expand on what Ron said, what's important with crimping Anderson
> connectors is to use a tool that doesn't just crush them. Many of the
> inexpensive crimpers just flatten the connector. You need one that has
> a semicircular recess on one side and a "finger" on the other side that
> pushes a dent into the back side of the connector while leaving it in
> an overall round shape. If you distort the overall shape the connector
> will not go into the shell. http://www.dcpwr.com/ has a good crimper,
> and if, like me, you use PowerPoles all over the place it's good to
> have one. You can solder after crimping if you like. I never solder
> them without first crimping them.
> 
> 73, Carl WS7L
> 
>> Elecraft does recommend soldering the Anderson connectors although
>> many folks crimp them just fine. The issue with crimping is doing it
>> properly. For those who aren't experienced with the technique or who
>> don't have the proper, good quality crimping tools, soldering is much
>> more likely to produce the required low-resistance contact between
>> cable and connector terminal.
>> 
>> Ron AC7AC

-- 
We are not the same persons this year as last; nor are those we love. It is
a happy chance if we, changing, continue to love a changed person. -William
Somerset Maugham, writer (1874-1965)


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[Elecraft] Re: Mics for K3

[Robert C.Abell]

Attn. DW Holtman,

I too have and use the Astatic 7077 mic for my Drake TR-7 and have a D-104 for 
my 
Collins KWM-2A. I doubt that they will work with an Elecraft K3. They are high 
impedence
mics and the K3 would need a low impedence mic.
You may be able to hook them up through a matching transformer however.
IMHO.

73, Bob  VE3XM
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[Elecraft] K3 #0215 - d/l probs again.

[Mike]

Hi Dick, and the Group.
I'm beginning to feel incompetent!!

Just tried loading the new firmware into my K3.
Much the same problem as my initial d/l.
All goes well right upto the 'Loaded DSP1 f/w version 01.52. Radio 
responded with Version 00.00' point, and the K3 display shows E000202 
err dse.


I re-loaded, & re-installed new USB/Serial Drivers from the Prolific site.
I re-loaded & re-installed the K3Util.
Same Result.

I tried Restore Config.
Same result.

I tried a Forced Firmware download, as on page 42 of the manual.
Same Result.

Comms test from K3UTIL to K3 are OK.


In all cases, clearing the E000202 msg from the K3 display brings back 
the current frequency readout on VFO A, but VFO B continues to show ERR DS2.



Any Suggestions?

Mike, zl1mh.

BTW, I'm on dialup, so can't reply too quickly!
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Re: [Elecraft] Re: Elecraft BL2 Balun

[David Ferrington, M0XDF]

It's equipped with a switch making it 4:1 or 1:1, is that the same thing?


On 30/1/08 16:57, "Robert C.Abell" <[EMAIL PROTECTED]> sent:

> It is equipped with a switch allowing it to be either a current or voltage
> balun.

-- 
Those who walk bravely through life, unafraid of loss or failure,
find that they very rarely lose or fail.





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Re: [Elecraft] K3: KRC2 interface

[Bill Coleman N2BC]

Hi Don,

Do you mean the K3 AUX I/O Pin 10 "KEYOUT-LP" line?   The purpose of this 
line is a bit fuzzy, to me anyway.


I based my KRC2 'needs' list based on page 21 of  the KRC2 manual.

The paragraph at the top of the page states that the minimum required for a 
K2 are:


W16 - AUXBUS
W18 - 12V (can be provided via external source)
W19 - 8R
W21 - to pass PC serial info to K2 (not needed in K3)
W23 - ditto W21

Table 3 states that the KRC2 uses 8R to determine TX/RX status, I would have 
thought to inhibit band changing while transmitting.


I just tried the KRC2 without feeding it 8R from the K2 (W19 pulled).  8R is 
indeed not 'needed' to handle the band info from the AUXBUS.  Tried changing 
bands on the K2 while key down or asserting PTT - it won't change.  But the 
K2 remembers the band change key press and does change once key down or PTT 
is dropped & the KRC2 follows.


Anywho, it looks like the K2 is smart enough to not change bands while in TX 
& the KRC2 will follow the AUXBUS as/when ordered.  I'm sure the K3 is at 
least that smart [  ;-)  ]  So I amend my KRC2 "needs" list to simply AUXBUS 
and ground - GREAT!


73,  Bill  N2BC


- Original Message - 
From: "Don Wilhelm" <[EMAIL PROTECTED]>

To: "Bill Coleman N2BC" <[EMAIL PROTECTED]>
Cc: "elecraft" 
Sent: Wednesday, January 30, 2008 9:48 AM
Subject: Re: [Elecraft] K3: KRC2 interface



Bill,

The KRC2 does not need the 8R input for use with the K2 or K3.  Look at 
page 20 of the KRC2 manual and you will see that the KRC2 uses 8R only as 
an analog input.


The KeyOut signal timing is equivalent to the K2 8R signal.

73,
Don W3FPR

Bill Coleman N2BC wrote:

Just doing some planning for the eventual arrival of my K3.

The KRC2 needs AUXBUS 8R and ground.  Where / what on the K3 AUX I/O 
connecter is 8R or it's equivalent?


Thanks!

73, Bill   N2BC






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[Elecraft] Re: Elecraft BL2 Balun

[Robert C.Abell]

It is equipped with a switch allowing it to be either a current or voltage 
balun.

73, Bob  VE3XM
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RE: [Elecraft] Q: PowerPole connectors

[Carl Clawson]

To expand on what Ron said, what's important with crimping Anderson
connectors is to use a tool that doesn't just crush them. Many of the
inexpensive crimpers just flatten the connector. You need one that has
a semicircular recess on one side and a "finger" on the other side that
pushes a dent into the back side of the connector while leaving it in
an overall round shape. If you distort the overall shape the connector
will not go into the shell. http://www.dcpwr.com/ has a good crimper,
and if, like me, you use PowerPoles all over the place it's good to
have one. You can solder after crimping if you like. I never solder
them without first crimping them.

73, Carl WS7L

> Elecraft does recommend soldering the Anderson connectors although 
> many folks crimp them just fine. The issue with crimping is doing it 
> properly. For those who aren't experienced with the technique or who 
> don't have the proper, good quality crimping tools, soldering is much 
> more likely to produce the required low-resistance contact between 
> cable and connector terminal.
>
> Ron AC7AC

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Re: [Elecraft] ESD Mats

[David Ferrington, M0XDF]

And do NOT use your RF earth, use the mains safety earth.


On 30/1/08 16:32, "DW Holtman" <[EMAIL PROTECTED]> sent:

> Hello,
> 
> One source of ESD stations is Radio Shack.
> 
> The RS Part number is, 276-2370. It is a complete kit, priced at $24.99
> 
> The web address is
> 
> http://www.radioshack.com/product/index.jsp?productId=2102871&cp=&sr=1&origkw=
> static+mat&kw=static+mat&parentPage=search
> 
> There was also an article in QST, Jan 2000 on homebrewing an ESD mat, but I
> don't have it. Wish I did.
> 
> 
> Best,
> DW Holtman
> WB7SSN
> 
> - Original Message -
> From: "Lee Buller" <[EMAIL PROTECTED]>
> To: "Elecraft Reflector" 
> Sent: Wednesday, January 30, 2008 9:24 AM
> Subject: [Elecraft] ESD Mats
> 
> 
>> 
>> 
>> Where can one find a inexpensive ESD mat?  Or what can be used as an ESD
>> mat?  Also, what about a ESD wrist attachment?  Where do you find them?
>> 
>> Also, I guess you would hook them to the station ground?
>> 
>> Comments are welcome
>> 
>> Lee - K0WA
>> 
>> 
>> 
>> In our day and age it seems that Common Sense is in short supply.  If you
>> don't have any Common Sense - get some Common Sense and use it.  If you
>> can't find any Common Sense, ask for help from somebody who has some
>> Common Sense.  Is Common Sense divine?
>> ___
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> 
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-- 
Facts do not cease to exist because they are ignored.
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RE: [Elecraft] Q: PowerPole connectors

[Carl Clawson]

To follow up what Ron said, what's important with crimping Anderson
connectors is to use a tool that doesn't just crush them. Many of the
Inexpensive crimpers just flatten the connector. You need one that has
a semicircular recess on one side and a "finger" on the other side that
pushes a dent into the back side of the connector while leaving it in

> Elecraft does recommend soldering the Anderson connectors although many
> folks crimp them just fine. The issue with crimping is doing it
> properly. For those who aren't experienced with the technique or who
> don't have the proper, good quality crimping tools, soldering is much
> more likely to produce the required low-resistance contact between
> cable and connector terminal. 
>
> Ron AC7AC

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Re: Re[Elecraft] moting the K2

[n3ckk]

You might want to look at dd-wrt.  It is an alternative software for several
types of home routers.  I've run dd-wrt on the Linksys wrt-54gl and the
Linksys wrt-350n (hardware version 1) and I'm happy with it.  Recent
versions of dd-wrt include DynDNS support (including several other dns
services) as well as providing a lot of flexibility on forwarding specific
inbound services (ports) to specific pcs on your home network, in case you
have several.
Best of luck,
tom
n3ckk
-- 
View this message in context: 
http://www.nabble.com/Remoting-the-K2-tp15182429p15185128.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] ESD Mats

[DW Holtman]

Hello,

One source of ESD stations is Radio Shack.

The RS Part number is, 276-2370. It is a complete kit, priced at $24.99

The web address is

http://www.radioshack.com/product/index.jsp?productId=2102871&cp=&sr=1&origkw=static+mat&kw=static+mat&parentPage=search

There was also an article in QST, Jan 2000 on homebrewing an ESD mat, but I 
don't have it. Wish I did.



Best,
DW Holtman
WB7SSN

- Original Message - 
From: "Lee Buller" <[EMAIL PROTECTED]>

To: "Elecraft Reflector" 
Sent: Wednesday, January 30, 2008 9:24 AM
Subject: [Elecraft] ESD Mats





Where can one find a inexpensive ESD mat?  Or what can be used as an ESD 
mat?  Also, what about a ESD wrist attachment?  Where do you find them?


Also, I guess you would hook them to the station ground?

Comments are welcome

Lee - K0WA



In our day and age it seems that Common Sense is in short supply.  If you 
don't have any Common Sense - get some Common Sense and use it.  If you 
can't find any Common Sense, ask for help from somebody who has some 
Common Sense.  Is Common Sense divine?

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RE: [Elecraft] Q: PowerPole connectors

[Ron D'Eau Claire]

The K3 is a "no solder" kit. You don't touch a soldering iron to build it
and get it on the air. 

But, if you make up your own power cables, antenna cables, microphone
cables, computer interface cables, etc., you either need to buy them
preassembled, buy crimp type cables with the proper tools, or get out a
soldering iron.

For those builders who don't already have a suitable power cable handy and
who aren't adverse to a little soldering, Elecraft included a separate power
cable kit gratis with the K3. 

Elecraft does recommend soldering the Anderson connectors although many
folks crimp them just fine. The issue with crimping is doing it properly.
For those who aren't experienced with the technique or who don't have the
proper, good quality crimping tools, soldering is much more likely to
produce the required low-resistance contact between cable and connector
terminal. 

Ron AC7AC

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[Elecraft] ESD Mats

[Lee Buller]

Where can one find a inexpensive ESD mat?  Or what can be used as an ESD mat?  
Also, what about a ESD wrist attachment?  Where do you find them?

Also, I guess you would hook them to the station ground?

Comments are welcome

Lee - K0WA



In our day and age it seems that Common Sense is in short supply.  If you don't 
have any Common Sense - get some Common Sense and use it.  If you can't find 
any Common Sense, ask for help from somebody who has some Common Sense.  Is 
Common Sense divine?
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Re: [Elecraft] K2 AGC

[Don Wilhelm]

Ed,

It certainly sounds like you have a bad solder connection there.  It may 
have worked just fine in the past and is just now developing enough 
oxidation to be troublesome.
You may actually be looking in the wrong place if you are restricting 
your search to U1.  U1, U2, Q12 and their associated components are all 
involved - including the RF Gain control on the front panel (and the 
connectors to create the paths to the front panel too).  In fact, 
everything in the whole lower left corner of the schematic is 
potentially suspect.


A brief description of the circuit - U1 mixes the 4913 kHz IF input with 
the crystal and comes out with an output signal that is amplified by 
U2b.  The output of U2B is rectified by D1 and applied to Q12 which in 
turn drives U2A.  The output of U2A is sent to the microprocessor so it 
can indicate the AGC level on the bargraph and also to the IF amplifier 
to control the gain of that IC.  Those points beyond D1 respond to DC 
levels and those before D1 respond to the AC amplitude of the signal.


73,
Don W3FPR


Ed Lambert wrote:

My K2 s/n 1999 was completed in February 2002.

 


Last Sunday, during the EC Nets, I noticed that some strong stations were
actually getting audio signals into my ears that were close to the threshold
of pain. I also noticed they were not "deflecting" the "S" meter one bar.
After some experimenting, I discovered that my agc was intermittent.
Recalibrating it sometimes brings it back to life. Touching pin 7 of U1 on
the control board seems inconclusive for me. I cannot hear the signal on or
about 10.136 MHz, but I have been doing this in the operating position while
standing on my head on a banana peel with three tools in each hand. Maybe
when I get it on the bench I'll be able to hear the signal.

 


At this time I suspect a marginal solder joint somewhere in the signal path
from pin 8 of U12 on the RF board to pin 1 of 1 on the control board, or one
of the pins on U1 or U12, or a bad crystal X1 on the control board. I intend
to do some signal tracing in these areas to see if I can induce the problem
one way or the other. (Simply resoldering all of the joints is a last
resort; I'd prefer to learn something and identify the exact problem.)

 


I am curious about the S meter calibration process since it sometimes seems
to "shock" the system into operation. Can anyone tell me how that process
interacts with U1?

 


I am also curious if the collected wisdom of the reflector has seen a
similar problem and might be able to shorten my search before I start
digging into this.

 


Ed Lambert KD3Y

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[Elecraft] [K3] IMD of the 2.1kHz and 1.8kHz Filters

[dj7mgq]

Hallo,

has anyone done any IMD measurements at 10kHz or less with the 2.1kHz  
and/or 1.8kHz filters? If so, please contact me directly.


Thank you es vy 73 de toby
--
DD5FZ (ex 4n6fz, dj7mgq, dg5mgq, dd5fz)
K2/10  #885
K2/100 #3248
K3/100 #67
DOK C12, BCC, DL-QRP-AG, JN58td

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Re: [Elecraft] K3 Firmware Update

[Leigh L. Klotz, Jr.]

I used it the other day when I had a cheap headset with no PTT button 
and was mobile (parked).

Leigh/WA5ZNU

David Ferrington, M0XDF wrote:

As a matter of curiosity, what do people use [XMIT] for?

  

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[Elecraft] K2 AGC

[Ed Lambert]

My K2 s/n 1999 was completed in February 2002.

 

Last Sunday, during the EC Nets, I noticed that some strong stations were
actually getting audio signals into my ears that were close to the threshold
of pain. I also noticed they were not "deflecting" the "S" meter one bar.
After some experimenting, I discovered that my agc was intermittent.
Recalibrating it sometimes brings it back to life. Touching pin 7 of U1 on
the control board seems inconclusive for me. I cannot hear the signal on or
about 10.136 MHz, but I have been doing this in the operating position while
standing on my head on a banana peel with three tools in each hand. Maybe
when I get it on the bench I'll be able to hear the signal.

 

At this time I suspect a marginal solder joint somewhere in the signal path
from pin 8 of U12 on the RF board to pin 1 of 1 on the control board, or one
of the pins on U1 or U12, or a bad crystal X1 on the control board. I intend
to do some signal tracing in these areas to see if I can induce the problem
one way or the other. (Simply resoldering all of the joints is a last
resort; I'd prefer to learn something and identify the exact problem.)

 

I am curious about the S meter calibration process since it sometimes seems
to "shock" the system into operation. Can anyone tell me how that process
interacts with U1?

 

I am also curious if the collected wisdom of the reflector has seen a
similar problem and might be able to shorten my search before I start
digging into this.

 

Ed Lambert KD3Y

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RE: [Elecraft] SWR Adjustment (Don't Worry about it)

[Strode, Carl R]

Don thanks for reinforcing the "Don't worry about it" part.

I fiddled around with the KAT1 adjustments last evening with all sorts of dummy 
loads, RF probes, wattmeters, other rigs, antenna analyzers, etc.

The most valuable bit of awareness I came away with was that each method of 
measurement produced a significantly different result.  Coax lengths, number of 
connections, different test equipment, physical layout, etc, injected a lot of 
variables that are very difficult to quantify.

The very last thing I did was to compare the indicated output power and SWR 
from my K1 to the K2 indications when connected to the same known load via a 
Bird Wattmeter.  Neither rig will display exactly 2.0:1 SWR into a known good 
flat 100 and 25 ohm load.

On the K2, a 1.7 to 1.8 was the best I could get for both loads.  Adjusting the 
KAT1 R2 to maximum came into the ballpark - not spot-on, but at least on the 
same team.

With the KAT1, I figgered that as long as the C9 null was done properly, 
adjusting R2 for max indicated SWR will get me into the "Don't worry about it" 
Zone.

One interesting thing I did notice was that after dashing thru the menus, 
entering TUNE, adjusting CLS, CLP, output level, etc, the K1 microprocessor 
appeared to become discombobulated from time to time.  A momentary power-down 
always cleared the cobwebs and got it back to normal.

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RE: [Elecraft] K3 Firmware Update

[Greg - AB7R]

When Wayne works on the next revision this is one of the items likely to be 
considered.  It is high on our list.

-
73,
Greg - AB7R
Whidbey Island WA
NA-065
K3#0009

On Wed Jan 30  7:15 , G4ILO  sent:

>
>
>Dick Dievendorff wrote:
>> 
>> I find the TUN PWR menu option available if I have CONFIG:TECH MD on and
>> absent if I have CONFIG:TECH MD off.
>> 
>Yes. I didn't expect it to be buried in there, but I guess I won't really
>need to change it that often. Now all I need is for the ATU in/out setting
>to be stored separately for ANT 1 and 2 and I'll be able to change antennas
>with one button press and tune with one more!
>
>-
>Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
>G4ILO's Shack: www.g4ilo.com
>Zerobeat Ham Forums: www.zerobeat.net/smf
>-- 
>View this message in context: http://www.nabble.com/K3-Firmware-Update-
tp15165023p15183423.html
>Sent from the Elecraft mailing list archive at Nabble.com.
>
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Re: [Elecraft] K3 Firmware Update

[David Ferrington, M0XDF]

Not to look a gift horse in the mouth, but at some point, it might be nice
to be  able to tune with a button tap instead of a press - I don't use
[XMIT] at all, but do use [TUNE] a lot, I'd like to be able to swap the
function.

As a matter of curiosity, what do people use [XMIT] for?




On 30/1/08 15:15, "G4ILO" <[EMAIL PROTECTED]> sent:

> 
> 
> Dick Dievendorff wrote:
>> 
>> I find the TUN PWR menu option available if I have CONFIG:TECH MD on and
>> absent if I have CONFIG:TECH MD off.
>> 
> Yes. I didn't expect it to be buried in there, but I guess I won't really
> need to change it that often. Now all I need is for the ATU in/out setting
> to be stored separately for ANT 1 and 2 and I'll be able to change antennas
> with one button press and tune with one more!
> 
> -
> Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
> G4ILO's Shack: www.g4ilo.com
> Zerobeat Ham Forums: www.zerobeat.net/smf

-- 
When work is a pleasure, life is a joy! When work is a duty, life is
slavery. -Maxim Gorky, author (1868-1936)


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Re: [Elecraft] K3: ERR TXF

[Greg - AB7R]

Almost, but not quite.  Only the 2.7 or 2.8 filter will work for now as the TX 
filter for all modes except for AM, where the 6 kHz filter is used.

-
73,
Greg - AB7R
Whidbey Island WA
NA-065
K3#0009

On Wed Jan 30  0:58 , G4ILO  sent:

>
>
>Theodore Wong wrote:
>> 
>> I get this error when transmitting.  Happens on all bands into a dummy
>> load.  It was transmitting fine last night.   BTW thanks to all who helped
>> me on the KAT3 tuning question.  
>> 
>Check the filter settings CONFIG:FLx BW and CONFIG:FLTX SSB. I got this
>after playing with those settings. For SSB the BW has to be 2.7 or more.
>
>-
>Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
>G4ILO's Shack: www.g4ilo.com
>Zerobeat Ham Forums: www.zerobeat.net/smf
>-- 
>View this message in context: http://www.nabble.com/K3%3A--ERR-TXF-
tp15169738p15177219.html
>Sent from the Elecraft mailing list archive at Nabble.com.
>
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[Elecraft] N2CQ QRP Contest Calendar: Feb 2008

[Ken Newman]

~
N2CQ QRP CONTEST CALENDAR
February 2008
~
80 METER FOXHUNT (CW) *** QRP Contest ***
Each Tuesday to Mar 25 
9 PM to 10:29 PM Eastern Time USA

Info: http://www.qrpfoxhunt.org/
~
40 METER FOXHUNT (CW) *** QRP Contest ***
Each Thursday to March 27
9 PM to 10:29 PM Eastern Time USA
Info: http://www.qrpfoxhunt.org/
~
Vermont QSO Party (CW/Ph/Dig)
Feb 2, z to Feb 3, 2400z
Rules: http://www.qsl.net/w1bd/qso_party.htm
~
10-10 Int. Winter Phone QSO Party ... QRP Category
Feb 2, 0001z to Feb 3, 2359z
Rules: http://www.ten-ten.org/rules.html
~
Minnesota QSO Party (All) ... QRP Category
Feb 2, 1400z to 2359z
Rules: http://www.w0aa.org/
~
FYBO Winter QRP Field Day (CW/SSB) ... QRP Contest!
Feb 2, 1400z to 2400z
Rules: http://www.azscqrpions.org/FYBO2008.htm
~
AGCW Straight Key QSO Party (CW 80M) ... QRP Category
Feb 2, 1600z to  1900z
Rules: http://www.agcw.org/agcw-con/2006/Englisch/htp_e.htm
~
Delaware QSO Party (All) ... QRP Category
Feb 2, 1700z to Feb 3, 0500z
Feb 3, 1300z to Feb 4, 0100z
Rules: http://www.fsarc.org
~
World QRP Contest (CW/SSB/Digital) *** QRP Contest ***
Feb 3, z to 2359z
Rules: http://www.ueqrp.org/wqc.htm
~
North American Sprint (CW) ... QRP Category
Feb 3, z to 0400z
Rules: http://www.ncjweb.com/sprintrules.php 
~

QRP ARCI Fireside Sprint (SSB) ...QRP Contest!
Feb 3, 2000z to 2359z
Rules: http://www.qrparci.org/
~
Adventure Radio Spartan Sprint (CW) ... QRP Contest!
EST: Feb 4, 9 PM to 11 PM (First Monday each month)
UTC: Feb 5, 0200z to 0400z 
Rules: http://arsqrp.pbwiki.com:80/Spartan+Sprints

~
CQ WW RTTY WPX Contest ... Low Power Category
Feb 9, z to Feb 10, 2400z
Rules: http://www.cq-amateur-radio.com/awards.html
~
Northern New York Section QSO Party (All)
Feb 9, z to Feb 10, 2359z
Rules: http://www.qsl.net/brvarc/nnyqsoparty/index.htm
~
New Hampshire QSO Party (Ph/CW/Dig) ... QRP Category
Feb 9, 0001z to Feb 10, 0001z
Rules: http://www.w1fz.org/
~
Dutch PACC Contest (SSB/CW) ... QRP Category
Feb 9, 1200z to Feb 10, 1200z
Rules: http://www.veron.nl/pacc/pacc2008-rules-eng.pdf
~
Louisiana QSO Party (Ph/CW) 
Feb 9, 1500z to Feb 10, 0300z 
Rules: http://www.qsl.net/kd5wdy/LAQSO_/laqso_.html

~
FISTS Winter Sprint (CW of course) ...QRP Category
Feb 9, 1700z to 2100z
Rules: http://www.fists.org/sprints.html
~
British Columbia QSO Challenge (CW/Ph/Dig) ... QRP Category
Feb 9, 1600z to Feb 10, 0359z
Rules: http://www.deltaamateurradio.com/
~
North American Sprint (SSB) ... QRP Category
Feb 10, z to 0400z
Rules: http://www.ncjweb.com/sprintrules.php
~
SKCC Weekend Sprint (Straight Key CW) ... QRP Category
Feb 10, z to z
Rules: http://www.skccgroup.com/sprint/wes/wknd-sprint-rules.html
~
SKCC Sprint (Straight Key CW)  ... QRP Awards
Feb 13, z to 0200z
Rules: http://skccgroup.com/sprint/sprint-rules.htm
~
NAQCC Straight Key/Bug Sprint (CW) *** QRP Contest ***
EST: Feb 12, 8:30 PM to 10:30 PM
UTC: Feb 13, 0130Z to 0330Z
Rules: http://www.arm-tek.net/~yoel/contests.html
~
ARRL International DX Contest (CW) ... QRP Category
Feb 16, z to Feb 17, 2400z
Rules: http://www.arrl.org/contests/calendar.html?year=2008
~
RUN FOR THE BACON (CW) *** QRP CONTEST ***
EST: Feb 17, 9 PM to 11 PM
UTC: Feb 18, 0200z 0400z
Rules: http://www.gentzow.com/fpqrp/
~
?North Carolina Road Kill Round Up (CW) *** QRP Contest ***
EST: Feb 21, 9:30PM - 11:00PM
UTC: Feb 22, 02:30z - 04:00z
Rules: h

RE: [Elecraft] K3 Firmware Update

[G4ILO]

Dick Dievendorff wrote:
> 
> I find the TUN PWR menu option available if I have CONFIG:TECH MD on and
> absent if I have CONFIG:TECH MD off.
> 
Yes. I didn't expect it to be buried in there, but I guess I won't really
need to change it that often. Now all I need is for the ATU in/out setting
to be stored separately for ANT 1 and 2 and I'll be able to change antennas
with one button press and tune with one more!

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
-- 
View this message in context: 
http://www.nabble.com/K3-Firmware-Update-tp15165023p15183423.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] Q: PowerPole connectors

[G4ILO]

Alexandr Kobranov wrote:
> 
> Are there delivered PowerPole connectors (to make power-cord locally) 
> with K3?
> Or ready-made power cord?
> 
Hi Lexa. The connectors and cable are included. You have to solder them on.
So the K3 is not a no-solder kit. :)

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
-- 
View this message in context: 
http://www.nabble.com/Q%3A-PowerPole-connectors-tp15183306p15183414.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] Q: PowerPole connectors

[David Ferrington, M0XDF]

I crimped them!
73 de M0XDF / K3 #174, HexKey #375


On 30/1/08 14:32, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> sent:

> The power cord and connectors come with the  kit.  All you have to do is
> attach the connectors to the cord.  That,  by the way, is the only soldering
> you 
> will have to do when you build the  K3.
> 
> k4ia
> "Buck" K3 #101
> Fredericksburg, VA

-- 
DonŒt complain. Nobody will understand. Or care. And certainly donŒt try
to fix the situation yourself. ItŒs dangerous. Leave it to a highly
untrained, unqualified, expendable professional.


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Re: [Elecraft] K3 Antenna Tuner Question

[Stewart Baker]

Noticeable, but not excessive.
Not like the castanet  sounds of the KAT100 !

73
Stewart G3RXQ
On Wed, 30 Jan 2008 06:33:11 -0800 (PST), Lee Buller wrote:
>
> Ladies and Gents
>
> What is the sound level of the K3 automatic antenna tuner?  The
KAT-100 is rather
> loudsounds like the grinding of gears in my old 57 Chevy,
just before it blew.  So,
> I am wonder what the sound level is for the K3 auto tuner.
>
> Lee - K0WA
>
>
> In our day and age it seems that Common Sense is in short
supply.  If you don't have
> any Common Sense - get some Common Sense and use it.  If you
can't find any Common
> Sense, ask for help from somebody who has some Common Sense.  Is
Common Sense divine?
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Re: [Elecraft] K3: KRC2 interface

[Don Wilhelm]

Bill,

The KRC2 does not need the 8R input for use with the K2 or K3.  Look at 
page 20 of the KRC2 manual and you will see that the KRC2 uses 8R only 
as an analog input.


The KeyOut signal timing is equivalent to the K2 8R signal.

73,
Don W3FPR

Bill Coleman N2BC wrote:

Just doing some planning for the eventual arrival of my K3.

The KRC2 needs AUXBUS 8R and ground.  Where / what on the K3 AUX I/O 
connecter is 8R or it's equivalent?


Thanks!

73, Bill   N2BC


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Re: [Elecraft] K2: CW passband tuning

[Don Wilhelm]

Tom,

The K2 always uses the FL1 BFO for transmitting, so that must be set 
properly for transmit (do not shift that one - for SSB, visually center 
that passband between 300 and 2600 Hz on Spectrogram (assuming you have 
the 2.4 kHz SSB filter width).


I have found that SSB intelligibility degrades significantly if the low 
frequency corner of the passband is set higher than 300 Hz.  I typically 
align the SSB filters FL2 thru FL4 to progressively more narrow widths 
than the FL1 (OP1) filter.  Each filter 200 to 300 Hz more narrow than 
the previous one.  Set the low frequency corner of each filter at 300 Hz 
and try it.
By aligning the SSB filters this way, you can tap XFIL to reduce any 
QRM/QRN you hear at a high audio frequency and the desired signal will 
still be intelligible.  If you attempt to cut the low frequency end 
significantly, the signal quickly become unintelligible.


73,
Don W3FPR

Tom Z wrote:

I am finally getting comfortable with the K2 in CW contests. One thing
I want to do is set up my filters ( I have KDSP2), so I can shift the
passband slightly to either side. I nkow I heard this discussed
before. Does anyone have a good set of filter parameters that have
given good performance in really crowded conditions?

Can I assume that my transmit frequency will stay fixed as I shift the
receiver passband? I think only the sidetone freq. will change.

73,

Tom KG3V

  

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[Elecraft] K3 Antenna Tuner Question

[Lee Buller]

Ladies and Gents

What is the sound level of the K3 automatic antenna tuner?  The KAT-100 is 
rather loudsounds like the grinding of gears in my old 57 Chevy, just 
before it blew.  So, I am wonder what the sound level is for the K3 auto tuner.

Lee - K0WA



In our day and age it seems that Common Sense is in short supply.  If you don't 
have any Common Sense - get some Common Sense and use it.  If you can't find 
any Common Sense, ask for help from somebody who has some Common Sense.  Is 
Common Sense divine?
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Re: [Elecraft] Q: PowerPole connectors

[K4IA]

The power cord and connectors come with the  kit.  All you have to do is 
attach the connectors to the cord.  That,  by the way, is the only soldering 
you 
will have to do when you build the  K3.

k4ia
"Buck" K3 #101
Fredericksburg, VA  




**Start the year off right.  Easy ways to stay in shape. 
http://body.aol.com/fitness/winter-exercise?NCID=aolcmp0030002489
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[Elecraft] K3: KRC2 interface

[Bill Coleman N2BC]

Just doing some planning for the eventual arrival of my K3.

The KRC2 needs AUXBUS 8R and ground.  Where / what on the K3 AUX I/O 
connecter is 8R or it's equivalent?


Thanks!

73, Bill   N2BC 



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[Elecraft] Q: PowerPole connectors

[Alexandr Kobranov]

Hello all,

having one question:

Are there delivered PowerPole connectors (to make power-cord locally) 
with K3?

Or ready-made power cord?

Sorry if I missed such info, preparing "nest" for K3 and this is still 
unclear to me...


Thanks for info,
73!
Lexa, ok1dst



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[Elecraft] K2: CW passband tuning

[Tom Z]

I am finally getting comfortable with the K2 in CW contests. One thing
I want to do is set up my filters ( I have KDSP2), so I can shift the
passband slightly to either side. I nkow I heard this discussed
before. Does anyone have a good set of filter parameters that have
given good performance in really crowded conditions?

Can I assume that my transmit frequency will stay fixed as I shift the
receiver passband? I think only the sidetone freq. will change.

73,

Tom KG3V
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Re: [Elecraft] Band decoder and Tx Inhibit

[G3SJJ]

I confirm the TopTen Band Decoder works fine with my K3, Andy.

Chris G3SJJ


Andrew Faber wrote:

Chris,
Good luck with it.  I have the TT Decoder powered by an independent 12 
volt source.  It has internal pull-up resistors, so there appears to 
be no connection needed other than the ones I mentioned.  It took me a 
bunch of trial and error time to figure this out.  Let us know how it 
works.
 I emailed N3RD a while ago to let them know.  Dave said he had a K3 
on order, and that they did intend to offer K3 cables.  I made up a 
"generic" cable from my TT DX Doubler to the K3, and that seems to 
work well also. It's nice to use inputs all on the back of the K3, so 
there are no cables to the front panel.  Only issue is that the Mic 
and Headphone jacks on the back are pretty frail and don't make very 
positive contact sometimes.

 73, andy, ae6y

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Re: [Elecraft] Re: K3/100 Kit #307 Lift Off

[Stewart Baker]

I'm sorry now that I started all this off !

Just wanted a few more case screws to be included, "in case" (pun)
I lost some...

73
Stewart G3RXQ
On Sat, 1 Mar 2008 07:21:18 -0500, Joe-aa4nn wrote:
> How soon we forget!  All the crying and moaning about
> the screws in the K2 and why in the world didn't Elecraft
> countersink those screws.  You guys are just too much!
> de Joe, aa4nn
> 
---
> In a recent message, Brett Howard <[EMAIL PROTECTED]>
wrote ...
>> I'd be willing to pay a 10 to 15 dollar adder for knurled knobs
that allow
>> one to take the top of quickly and easily to show off the
guts...  I'd want
>> them to be relatively low profile though.
>>
>> -Original Message-
>> If you are going to be taking them apart so often to show folks
:o)
>> perhaps
>> some nice black knurled thumb screws would be in order.
>> G3UNA
> --
>
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[Elecraft] Remoting the K2

[Larry Phipps]

Hi Stephen. Check out DynDNS. They provide a free service that 
correlates an alphanumeric IP alias address with your currently assigned 
numeric IP address. A utility on your PC provides your address to their 
server. The service is called DDNS. Some routers have this built in. 
Instead of an address like nnn.nnn.nnn.nnn, the address of your PC 
becomes something like g4dsp.homeip.net. The server finds you based on 
its knowledge of your actual address. I believe this is discussed in one 
of the sections of my website (www.telepostinc.com) under the heading 
Remote Base Station Related Stuff...


I posted an email about this to the list in response to your earlier 
inquiry, but I forgot to change the Subject (it was posted from a digest 
entry), so you may have missed it. There is lots of interesting info 
about the remote control system I use there.


73,
Larry N8LP




Date: Wed, 30 Jan 2008 07:55:13 +
From: Stephen Prior <[EMAIL PROTECTED]>
Subject: [Elecraft] Remoting the K2
To: elecraft 
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain;   charset="US-ASCII"

Thanks to all with their help and advice which I must now mull over.  One
thing that has (rather late in the day) occurred to me is that I do not have
a static IP address from my ISP.  So I could, presumably, look up the
address given and use that, accepting that I shall have to change the
settings every time I reboot the router which is very rarely.

73 Stephen G4SJP

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[Elecraft] K3 on 14.2V supply?

[G4ILO]

My K2/10 had its own power supply in a matching enclosure. Since it has the
internal battery (which incidentally, at around 8 years old, still seems OK)
I set the voltage to 14.2V to keep it charged up, as recommended by
Elecraft.

Due to the higher current demands of the K3/10, I got a Diamond power
supply. This can cope with running the K2 at the same time, which is good
because I don't have space for two power supplies. The output is variable,
with a detent at 13.8V. I could crank this up to 14.2V as well, to keep the
K2 charged up.

Now 14.2V is within the maximum 15V supply voltage stated in the K3 spec,
but still I thought I should run it by the experts for a view on whether
this voltage would cause any harm to it.

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
-- 
View this message in context: 
http://www.nabble.com/K3-on-14.2V-supply--tp15182193p15182193.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] K3 filter performance

[Joseph M. Durnal]

I'm not sure if I would want to use such a setup for working
repeaters.  The FM filter is $120, you can buy a Yeasu FT-2800M for
that, and many others for just a little more.  Even if you wanted the
FM filter for 10 meter FM anyway, and the transverter for 144 CW/SSB,
it would still be a cumbersome setup for working repeaters.

Just my 2¢

73 de Joseph Durnal NE3R

On Jan 29, 2008 10:11 PM, Brett Howard <[EMAIL PROTECTED]> wrote:
>... So next I've been looking at the transverter idea.  If I get a 2M
> transverter and an FM XTAL can the K3 be used to do standard FM repeater use
> or could it be used that way some day when all the bells and whistles are
> added?  I noted that the elecraft transverters say that the rig has to
> operate from 28 to 30Mhz.  Well if 28Mhz = 144Mhz then 30 only gets you to
> mid band in 2M and doesn't really get you into the repeater realm.  So I'm
> confused as to if this is just for using the other modes at the bottom end
> of the 2M band or what.  I guess I'm just interested to know what all
> goes on down there as to if that is worth going that route.
>
> The main reason I'm interested in the transverter stuff and if I can do FM
> is if that is true then my next two filters are the 6kc one for doing essb
> and for better audio on strong AM stations and the FM one for 2M repeater
> operations so that I only have to have one rig in the shack for everything
> from 1.8 to 148 Mhz (or beyond with the purchase of more xverters).
>...
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Re: [Elecraft] K3: Test from Bavaria

[John Unger]

Toby -

All that I have to say is ausgezeichnet! Thanks to you and your friends for 
doing all the hard work for the original report and especially for the 
English translation. I was having a difficult time reading the techniche 
Deutsch...  :-)


73 - John, W4AU


At 05:34 AM 1/30/2008, you wrote:

The Report from the Bavarian Contest Club is now available as a PDF in
English and German. We will be updating the report very soon with
interesting new measurements and comments, and plan to continue to
update it on a more or less regular basis:

   
   

If anyone has hosted my draft English translation, e.g. the K3 Wiki,
please remove the text and replace it with a link to the Bavarian
Contest Club: .

vy 73 de toby



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Re: [Elecraft] Hel Headset w/ K3

[R. Kevin Stover]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Brett,

The basic Heil Proset headset comes with a pair of 1/8th inch jacks.
I have an adapter cable for my K2 which includes a 1/4 inch jack to plug
in a PTT switch. You can roll your own PTT switch or buy the Heil hand
switch.

73


Brett Howard wrote:
| So if I order the Heil headset for my mic w/ the K3 what do I need to
buy to
| have a PTT button?  I'm assuming that there are footswitches for this but
| not sure what the best bang for the buck type stuff would be.  What jack
| does this plug into?  My hope is that I can use the Elecraft/Heil headset
| and have a computer interface and a keyer and possibly transverter
without a
| cable plugged into the front.  Seem possible?
|
| ___
| Elecraft mailing list
| Post to: Elecraft@mailman.qth.net
| You must be a subscriber to post to the list.
| Subscriber Info (Addr. Change, sub, unsub etc.):
|  http://mailman.qth.net/mailman/listinfo/elecraft
|
| Help: http://mailman.qth.net/subscribers.htm
| Elecraft web page: http://www.elecraft.com
|
|

- --
R. Kevin Stover, ACØH
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.7 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFHoHZR11jxjloa2wsRAsJ8AJ0UgyC0Rx0bnBOcCxFgi7ZpLQMWSQCfdq4c
iH7I8F/tD85ng8CXTbYjdf8=
=4zoM
-END PGP SIGNATURE-
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RE: [Elecraft] Re: K3/100 Kit #307 Lift Off

[Brett Howard]

Well in my own defense I've not built a K2 and wasn't on the list back then.
Beyond that the screws in my K1 are countersunk.  Bout the only time I set
something on top of the K1 is when the top case gets to resonating a bit
setting something up there tends to kill the rattles.  The K3 probably won't
have as big of an issue there being larger and all.  I mainly would want
them low profile for aesthetics not so much for stacking stuff on it.  Heck
doesn't most stuff have feet anyway?

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Joe-aa4nn
Sent: Saturday, March 01, 2008 4:21 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] Re: K3/100 Kit #307 Lift Off

How soon we forget!  All the crying and moaning about
the screws in the K2 and why in the world didn't Elecraft
countersink those screws.  You guys are just too much!
de Joe, aa4nn
---
In a recent message, Brett Howard <[EMAIL PROTECTED]> wrote ...
>I'd be willing to pay a 10 to 15 dollar adder for knurled knobs that allow
>one to take the top of quickly and easily to show off the guts...  I'd want
>them to be relatively low profile though.
>
>-Original Message-
>If you are going to be taking them apart so often to show folks :o) 
>perhaps
>some nice black knurled thumb screws would be in order.
>G3UNA
--  

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Re: [Elecraft] Re: K3/100 Kit #307 Lift Off

[Joe-aa4nn]

How soon we forget!  All the crying and moaning about
the screws in the K2 and why in the world didn't Elecraft
countersink those screws.  You guys are just too much!
de Joe, aa4nn
---
In a recent message, Brett Howard <[EMAIL PROTECTED]> wrote ...

I'd be willing to pay a 10 to 15 dollar adder for knurled knobs that allow
one to take the top of quickly and easily to show off the guts...  I'd want
them to be relatively low profile though.

-Original Message-
If you are going to be taking them apart so often to show folks :o) 
perhaps

some nice black knurled thumb screws would be in order.
G3UNA
--  


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[Elecraft] K3: Test from Bavaria

[dj7mgq]

The Report from the Bavarian Contest Club is now available as a PDF in
English and German. We will be updating the report very soon with
interesting new measurements and comments, and plan to continue to
update it on a more or less regular basis:

   
   

If anyone has hosted my draft English translation, e.g. the K3 Wiki,
please remove the text and replace it with a link to the Bavarian
Contest Club: .

vy 73 de toby


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[Elecraft] K3 demo

[Laurent Ferracci]

Hi friends,

We now have 300 K3 on the air, but unfortunately i couldn't find any 
good demo of it. What i call a good demo would be a video WITH DIRECT 
STEREO SOUND RECORDING of how the K3 performs in hard situations (small 
signals, crowded band, direct decoding), that we can hear by ourselves, 
including the AFX etc... just like if we had our, in fact !


There's a few video available online. The best i've found are the 
japanese ones, but they're rather short, and the sound wasn't recorded 
directly so we can't judge it.


Anyone ?

--
Laurent Ferracci, F1JKJ
Blog radio: http://www.ferracci.org
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Re: [Elecraft] K3: ERR TXF

[G4ILO]

Theodore Wong wrote:
> 
> I get this error when transmitting.  Happens on all bands into a dummy
> load.  It was transmitting fine last night.   BTW thanks to all who helped
> me on the KAT3 tuning question.  
> 
Check the filter settings CONFIG:FLx BW and CONFIG:FLTX SSB. I got this
after playing with those settings. For SSB the BW has to be 2.7 or more.

-
Julian, G4ILO  K3 s/n: 222 K2 s/n: 392
G4ILO's Shack: www.g4ilo.com
Zerobeat Ham Forums: www.zerobeat.net/smf
-- 
View this message in context: 
http://www.nabble.com/K3%3A--ERR-TXF-tp15169738p15177219.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] Hel Headset w/ K3

[David Ferrington, M0XDF]

Not sure if you order from Heil if you get an adapter with it, but the
Elecraft ProSet-K2 comes with an adapter to go in front Mic connector and it
has a 1/4" jack for PTT.

Note also that the Elecraft ProSet-K2 has an Electret mic (it's effectively
the Proset iC), whereas the Prosets from Heil have HC4 or HC5 elements.

Heil sell a foot switch and a hand switch - I have both and wasn't sure
which I preferred.
You could make one too if you wished.
There is also a PTT RCA connector on the rear panel, so you don't need to
use the front Mic connector.

BUT, I now have the Proset connected to the rear 3.5mm jacks for Phones and
Mic and use VOX, which is so good on the K3, no discernable delay in the
VOX.

I will probably keep the PTT etc. when I run JOTA, I need to keep control of
the PTT, so using a Heil HM-10 on a boom with a PTT switch works well.


On 30/1/08 03:23, "Brett Howard" <[EMAIL PROTECTED]> sent:

> So if I order the Heil headset for my mic w/ the K3 what do I need to buy to
> have a PTT button?  I'm assuming that there are footswitches for this but
> not sure what the best bang for the buck type stuff would be.  What jack
> does this plug into?  My hope is that I can use the Elecraft/Heil headset
> and have a computer interface and a keyer and possibly transverter without a
> cable plugged into the front.  Seem possible?
> 
> ___
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-- 
Ok, so what's the speed of Dark?


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Re: [Elecraft] K3 plastic knurled knobs

[Bob]

Hi Don,

   You are right getting a paper catalog was like pulling 
teeth.  They are tough to get a catalog from.  But in their defense they 
surely are not cheap.  A 10 year old catalog is almost as good as a new 
one.  An old catalog number is always good, if the product changes they 
will tell you the new best replacement. and any differences. Before I 
retired and had tried to get a catalog  by phone they would tell me who 
had one I could possibly use.  I did get a hand me down copy. 

   As a reference book they are worth their weight in gold. The 
information in them  and how to select the correct item is priceless. 

Service is better than great.  I'm in NJ and can call at 6P 
and the order will be at my door the next day for standard UPS rates, 
not overnight or extra charges for their prompt service.   I don't ever 
recall an "out of stock "  order.


An amazing outfit.

73,
Bob
K2TK

Don Wilhelm wrote:


Doug,

You 'cheated' and looked at their website - I am the proud recipient 
of a paper McMaster-Carr catalog - it is now 7 years old and it took 3 
years of requests to get it.  They do have a lot of good hardware 
stuff and provide great service.


73,
Don W3FPR




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[Elecraft] Most significant K3 advantages?

[TF3KX]

Now that the K3's are getting on the air in numbers, we are seeing lots of
praise and fine reviews.  It would be interesting to hear from individual K3
users what they see as the most significant performance issues or features
of this rig, as compared to other rigs they have owned.

Perhaps something like the top 3 (or whatever number) advantages / features. 
This would help identifying where this rig really shines.

73 - Kristinn, TF3KX
-- 
View this message in context: 
http://www.nabble.com/Most-significant-K3-advantages--tp15177203p15177203.html
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[Elecraft] K3: ERR TXG

[David Pratt]

Many thanks to all who replied to my query about the ERR TXG error 
message when calibrating on 60 metres.


My K3 s/n 00168 was labelled as being for the US bands. Perhaps it is 
correct to assume that 60 metres was aligned for 5332 to 5405 kHz. In 
the UK our 5MHz channels are from 5260 to 5405 kHz.


Perhaps when the Service Manual is published, we shall know which of the 
trimmers need a slight twiddle ;-)


73
--
David G4DMP
Leeds, England, UK
--


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RE: [Elecraft] K3 filter performance

[pa5mw]

This "which filters do I need" questions are getting out of hand.

We are dealing with a pro  Formual 1  car here.

Problem is that often we *are not* F1 technicians, nor do we own a 'suitable 
racetrack' or have the driving qualities  and lasting  experience.

Stop the nonsense discussions.
SSB; the 2.7 Khz is perfect **
CW; go for the 400Hz and if weaksignal/extreme contesting is required; the 
200Hz 5pole

That is all you need.
Stop discussing at this point. Get on the band for crying out loud!

Note: my Orion has a perfect 4 pole 600Hz filter which performs perfect. Now do 
I think about a 10-pole 200Hz ??

Start the discussion again in 6months or so, when true live experience over a 
longer period of time is available.


'73 Mark, PA5MW
** tested K3 extensively during VHF weaksignal, and 160m CW contesting from 
december 2007 till last weekend.
*** compared K3 to Orion; like both, but they are different.




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