[Elecraft] For Sale K2 + extras

2004-10-23 Thread David Douglass 
I have for sale my spare K2 (serial # 4278)

This has the SSB option and 160M option, with the MH2 elecraft Mike.

All in excellent (as new) condition and ready for shipping.

Asking $650US or best offer or equivalent local funds, plus about $40
postage (e-mail for costs to other countries).

Please e-mail off list for further details, photos etc etc.

Payment via Paypal is fine, or buyers in the UK can pay in GBP to my home
address.

Regards

David, Vk2NU
[EMAIL PROTECTED]



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[Elecraft] Hakko 808

2004-10-23 Thread Jeremiah McCarthy 
Several manufacturers sell the "coiled spring" type of soldering iron 
holder...I have seen them in RS too...If this type stand is too "tippy", it can 
be screwed onto a small board...I have an old heavy duty holder made by Hexacon 
that stands by itself...I would steer clear of using pipes...It will not allow 
good air circulation and might lead to early heater failure and tip burning due 
to overheating...Just my thoughts...73

Jerry, wa2dkg
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Re: [Elecraft] Hakko 808

2004-10-23 Thread W3FPR - Don Wilhelm 


- Original Message - 
.I would steer clear of using pipes...It will not allow good air circulation 
and might lead to early heater failure and tip burning due to 
overheating...Just my thoughts...73




Jerry and all,

Since the heater in the Haako is temperature controlled, I do not have 
concerns about the tip overheating.  Protecting the pipe from contact is my 
primary concern.


73,
Don W3FPR


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[Elecraft] Help needed

2004-10-23 Thread ta2ah 
Hi,



My K2 serial number is 4288 with all options installed, except 100 Watts module.



When Antenna 2 is selected without any antenna connected to it, I push to tune 
button to try to tune it on 7Mhz band three times. Now there is not any output 
on 7 Mhz and only 3 watts output on 10 Mhz. 

but receive is OK on bought frequencies.

 

K2 works perfectly on the other bands (I am using SCG 237 antenna coupler when 
I use it at my home). 

 

How can I correct this? Any comment would be appreciated.

 

Ruchan Ozatay, TA2AH

K2-4288, KX1-156

[EMAIL PROTECTED]

 
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Re: [Elecraft] Help needed

2004-10-23 Thread Joe - aa4nn 

In view of what you said,

Snip
"When Antenna 2 is selected without any antenna connected to it, I push to 
tune button to try to tune it on 7Mhz band three times. Now there is not any 
output on 7 Mhz and only 3 watts output on 10 Mhz."


if this is what you meant, then by all means hook an antenna to position 
Antenna2 and see what happens.


73, Joe, aa4nn


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Re: [Elecraft] Re: Mod for more AF gain on K2

2004-10-23 Thread Mike S 
At 11:00 PM 10/22/2004, wayne burdick wrote...
>I tame the noise by putting a resistor/capacitor network in series between 
>pins 5 and 8.

Perhaps a "real" LM386 has more noise. Noise in the NJM386B I used measured ~20 
mV p-p in the absence of signal (AF pot at min, measured at the speaker). 
That's 46 db down from full output, just barely audible via either speaker or 
headphones. This noise is quickly concealed by other rig noise (preamp off, 
dummy load connected) as soon as you turn up the AF just a bit, except for some 
higher frequencies which don't get masked and are only noticeable with 
headphones. Putting the 380 back in, I measured 8 mV of noise, about 8 db 
better than the 386. That difference contrasts favorably to the 11 db 
difference in gain I observed between the two.

I then installed an RC network with the 386, as mentioned above (2.7K/.01u, 
copying what's in the KX1). It didn't change the level of the overall noise 
significantly, but it did pretty much remove the noticeable higher frequencies 
from the output.

All in all, not a bad change - trading about 2 db in maximum volume for about 
11 db in gain. Since I socketed this and built everything piggyback on the 386, 
it's a simple chip swap to revert to stock condition.

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[Elecraft] HALP! K2/100 and KIO2 seem DEAF to serial comms.

2004-10-23 Thread Tom Hammond 

Hi Folks:

Posting this to both the Elecraft and the TRLOG reflectors, in the hop that 
someone can assist. Not sure if it's a TRLOG or an Elecraft  (or OPERATOR) 
problem.


Interesting failure here... one which also occurred the morning of Field 
Day 2004 (perfect timing, right?).


When running TRLOG from a DOS window in Win98SE:

   When EITHER the KPA100 or the KIO2 are connected to the
   'built-for KIO2/KPA100' serial cable, either device can
   SEND data to my laptop, running TRLOG, but NEITHER will
   acknowledge data SENT from the laptop to the KIO2/KPA100.

   I can have the PORT parameter send the current frequency
   TO the laptop and it displays on the laptop... so I know
   that it's receiving data from the K2 when it's being polled,
   IF it was being polled.

   However, if I have TRLOG to send to the KIO2/KPA100 any
   command (a band change comment for instance), I can see
   (with my o'scope) the data at the input (pin 6) to the
   MAX1406, but I see no output (pin 11) from the MAX1406.
   Not even a faint whimper.

To further compound my confusion...

When having booted to DOS (either from within Win98SE or from a cold boot), 
as soon as I boot TRLOG and the main screen appears, I get a "RADIO ONE 
POLLING DISABLED" message. Doing a [Ctrl-J] and resetting RADIO ONE POLLING 
to TRUE results in TRLOG NOT allowing me to save the changes..! So  polling 
remains disabled. Go figger.


The serial cable (the one specially made to interface the K2 to the Laptop 
has been confirmed to be wired correctly... heck it's worked for several 
YEARS before starting to fail, and I have NO intervening 'serial' cables 
which might much up the connection.


On the K2, PORT is set to 'ON'.

Any suggestions out there? I'm open to all suggestions.

Oh yeah, yes, I JUST replaced the MAX1406 (serial comms) chip in both the 
KPA100 and the KIO2 with new ones... in case the old ones were bad... 
couldn't tell for certain, but I AM fairly confident that I was seeing 
serial data coming to the RXD line, but not being passed thru the previous 
MAX1406 to its output.


73,

Tom HammondN0SS

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RE: [Elecraft] HALP! K2/100 and KIO2 seem DEAF to serial comms.

2004-10-23 Thread Rich Lentz 
What happens when you try HyperTerminal?


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[Elecraft] QRP Pwr/VSWR meter

2004-10-23 Thread Fred Jensen 
Can someone point me to info on QRP pwr/vswr meters?

Thanks,

Fred K6DGW
Auburn CA CM98

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Re: [Elecraft] QRP Pwr/VSWR meter

2004-10-23 Thread Don Brown 
Hi

I use a OHR WM-2 qrp wattmeter

http://www.mtechnologies.com/ohr/wattmeter.htm


It is available as a kit or assembled and I have found it to be accurate and 
reliable. I use it just about all the time to align all the Elecraft products. 
OHR also has a nice 100 watt dummy load that I use when aligning the KPA100.

Don Brown

KD5NDB

  
  - Original Message - 
  From: Fred Jensen 
  To: Elecraft Reflector 
  Sent: Saturday, October 23, 2004 3:50 PM
  Subject: [Elecraft] QRP Pwr/VSWR meter


  Can someone point me to info on QRP pwr/vswr meters?

  Thanks,

  Fred K6DGW
  Auburn CA CM98

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Re: [Elecraft] QRP Pwr/VSWR meter

2004-10-23 Thread BobDobson 
Just what Don said.  I have both, I use both, and I love both.  The two kits 
are a snap
to build and Marshall supports his products VERY well.

73,

Bob  WA4FOM
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[Elecraft] 5w K7LOW begins next hour in C2C

2004-10-23 Thread John_K7FD 
The "2004 Coast to Coast FISTS Club Event" begins next hour; the central
Oregon's coast QRP Club station K7LOW will be active on frequencies between
14.057 - 14.059 and also 7.058MHz. K7LOW calling CQ C2C on K2 s/n 586...

Details of the event are at:

http://www.tomochka.com/k7fff/fnw_c2c04.html

Hope to work some our QRP and Elecraft friends during the next 24 hours!

73 John K7FD, this year's K7LOW op...

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Re: [Elecraft] QRP Pwr/VSWR meter

2004-10-23 Thread Larry Phipps 

Check out my E-Meter at www.telepostinc.com/n8lp.html

I am getting very close to offering a kit version of it. A comprehensive 
article will also be published in QEX in the near future if want to 
homebrew your own. They accepted my manuscript a few weeks ago, but 
haven't given me the publication date yet. A prototype of the E-Meter is 
at a friend's shop as we speak for verification of results... I have a 
pretty good arsenal of test equipment, but not nearly as impressive as his.


The meter will display power accurately from about -17 dBm (.02 
milliwatt) to+63 dBm (2000W) in four selectable scales, and SWR 
accurately down to +10 dBm (10 milliwatt)... this is about the 
theoretical limit one can measure SWR of a decent antenna due to 
external signals typically present on the antenna.


Larry N8LP


Fred Jensen wrote:


Can someone point me to info on QRP pwr/vswr meters?

Thanks,

Fred K6DGW
Auburn CA CM98

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.

 


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[Elecraft] Elecraft CW Net Announcement

2004-10-23 Thread Kevin Rock 

Good Evening,
   A long week should be followed by a bit of rest.  Tomorrow afternoon 
seems convenient.  How many of you would like to participate in the weekly 
Elecraft CW Nets?  All are welcome.  The bands appear to be happy 
transporting a bit of RF around the world.  The FISTs folks are sending 
their share this evening.  Tomorrow we can send a bit too.


Please join us tomorrow on the Elecraft CW Net held:
Sunday 2300z (Sunday 4pm PDT) 14050 kHz
Monday 0200z (Sunday 7pm PDT)  7045 kHz

Visit our web site: http://ecn.visionseer.com/ for further details.  Thank 
you for the web space Dan.


All are welcome on ECN; Elecraft radios are not required.  Any radio that 
can put out a decent CW signal will be fine with us.


See you tomorrow,
  Kevin.  KD5ONS (Net Control Operator 5th Class)
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[Elecraft] FS: Elecraft K2/100 S/N 04266

2004-10-23 Thread Mario 
Beautiful and like new Elecraft K2/100 S/N 04266 (2.04  1.09, Rev “B”)
built new in March of 2004.  If you’ve been looking for a VERY nice
assembled K2 this is the one. This K2 has only resided here in the
shack. The following options are installed:
 
KPA100 –   100 Watt Option
KSB2- SSB Option
K160RX-160M, 2nd RX Antenna Option
KNB2-Noise Blanker Option
KDSP2-  Advance Internal DSP Filter and Clock
MH2-  Heil Hand Microphone
 
KAT100-2   100W ATU built into the optional EC2 Enclosure
 
Includes interface cable for the rig, antenna tuner, computer & all
manuals.  I will carefully double box pack and ship via UPS
ground/insured.  $1425.00 includes shipping to your QTH OBO.  I accept
PayPal and USPS money order.
I also have a new in the box MD2 Heil Desk Microphone (without stand or
a boom) for  the K2 which is available for $75.00 plus shipping. 
 
73 es tnx, Mario, NM6U
 
 

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Re: [Elecraft] Filter alignment, once more with gusto!

2004-10-23 Thread Terry KA9TXE 

W3FPR - Don Wilhelm wrote:


John,

For filter alignment with Spectrogram, you should be using a source of 
broadband noise at the K2 antenna input (like the Elecraft N-Gen or 
'dead-band' noise).




Hello John,

   While you have Spectrogram going take a check of how you have L34 
set.  I've been using my K2 for a long time now but recently saw a post 
about the setting of L34 and I did hear a noticable difference when I 
set L34 using an N-Gen and Spectrogram.
   My K2 worked fine but now it has better volume, which is always nice 
to have even if I've worked aroung the continents without the extra 
volume.  Try it...you'll like it.



73,

Terry  KA9TXE
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