Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread David Woolley (E.L)
Some of the anti-static bags that Elecraft use are the pink ones.  Those 
are non-conducting and get their anti-static properties by not 
generating static, rather than dissipating it.  They would be useless as 
an anti-static mat.

kf4by wrote:
 
 For a grounding mat I simply used the anti-static bag the RF board
+ was packaged in. I clipped my wrist strap to it until the radio grew 
to be a
+ chassis. At that time I clipped the wrist strap to the chassis but kept
+ the mat in place. All sub-assembly components were unwrapped on the
+ mat. Hence everything was the same potential.


-- 
David Woolley
we do not overly restrict the subject matter on the list, and we
encourage postings on a wide range of amateur radio related topics
List Guidelines http://www.elecraft.com/elecraft_list_guidelines.htm
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Re: [Elecraft] scopeing filters for eventual diversity receive.

2010-03-28 Thread N2TK, Tony
How are you testing for offset? Sounds like I should check the offset on my
5 and 8 pole filters.

73,
N2TK, Tony


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jim Brown
Sent: Saturday, March 27, 2010 7:23 PM
To: Elecraft List
Subject: Re: [Elecraft] scopeing filters for eventual diversity receive.

On Sat, 27 Mar 2010 15:09:02 -0700, Ed Muns wrote:

However, my 400Hz 8-poles are offset by as much at 80Hz.  

I've observed that too. 

73,

Jim K9YC



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Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread Dave, G4AON
A proper grounding mat costs a fraction of the price of a transceiver, 
so why not use a proper mat and avoid the risk? Perhaps Elecraft should 
sell anti-static mats and wrist bands.

There have also been complaints that the DSP board upgrade included the 
risk of static damaged boards being re-used and shipped to unsuspecting 
K3 owners. As has been said on here countless times, static damage 
doesn't necessarily show up straight away.

73 Dave, G4AON
-
For a grounding mat I simply used the anti-static bag the RF board was 
packaged in.  I clipped my wrist strap to it until the radio grew to be 
a chassis.  At that time I clipped the wrist strap to the chassis but 
kept the mat in place.  All sub-assembly components were unwrapped on 
the mat.  Hence everything was the same potential.

The result:  I didn't spend money on a mat I would only occasionally use 
and #3995 is performing flawlessly.  I guess you might call it the 
mid-west farm boy approach, make due with what you have.


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Re: [Elecraft] KXV144 Question

2010-03-28 Thread Mark Bayern
OK, what frequency is it transmitting on? What frequency did you want?
What is the actual offset?

How have you determined that the problem is the frequency? Does it
work correctly when you do use the transmit offset feature?

Here is an 'odd' question: Are you trying to use a CTSS tone?


Mark   AD5SS



On Sat, Mar 27, 2010 at 11:03 PM, jmalloy jmal...@hamilton.edu wrote:
 Hi, folks, I just installed the KXV144 in my K3 and all went smoothly --
 it even works, after a fashion.  I have this one teensy problem...

 ...it's not transmitting on the frequency (simplex) it says it's on.

 I know about setting ALT for -/+ or simplex, I've got the ADR set to
 internal transverter, power and all other settings are nominal and the
 frequency offsets for 144 and 146 Mhz are entered...

 ...but it still not transmitting right.  What could I be overlooking?

 (By the way, in receives very nicely!  After I get this problem solved
 I'll start looking down around 144 Mhz.)

 Many thanks!

 73,

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Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread Nick-WA5BDU
This thread got me off onto a tangent, trying to measure resistances on 
some of these anti-static materials, such as the black foam pad and the 
silvery plastic envelope.  I had a capacitor discharge through the 
unknown and used a MOSFET to monitor the capacitor, since a 10 M-ohm DMM 
would have discharged it.

I got 33 G-ohms between two electrodes about an inch apart in one of the 
black pads and 4.2 G-ohms between two electrodes 1/4 inch apart in one 
of those envelopes.

Discussion on my blog - http://wa5bdu.blogspot.com/

73-Nick, WA5BDU

David Woolley (E.L) wrote:
 Some of the anti-static bags that Elecraft use are the pink ones.  Those 
 are non-conducting and get their anti-static properties by not 
 generating static, rather than dissipating it.  They would be useless as 
 an anti-static mat.

   

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Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread Bob Naumann
Despite this fact, my K3 survived my totally inadequate use of the pink
packing material and the silvery anti-static bags also.

I think this whole issue is being blown way out of proportion.

If these things were indeed that static sensitive, they'd be dropping like
flies all over the world on a daily basis.

Can we go back to talking about how to use these radios better and stop the
arguing about minutiae?

73,

Bob W5OV

P.S. I installed my DVR board 2 weeks ago (without an approved static
mat!) and it works perfectly alone and in conjunction with N1MM.



-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of David Woolley (E.L)
Sent: Sunday, March 28, 2010 2:35 AM
To: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] Grounding Mat Chatter

Some of the anti-static bags that Elecraft use are the pink ones.  Those 
are non-conducting and get their anti-static properties by not 
generating static, rather than dissipating it.  They would be useless as 
an anti-static mat.

kf4by wrote:
 
 For a grounding mat I simply used the anti-static bag the RF board
+ was packaged in. I clipped my wrist strap to it until the radio grew 
to be a
+ chassis. At that time I clipped the wrist strap to the chassis but kept
+ the mat in place. All sub-assembly components were unwrapped on the
+ mat. Hence everything was the same potential.


-- 
David Woolley
we do not overly restrict the subject matter on the list, and we
encourage postings on a wide range of amateur radio related topics
List Guidelines http://www.elecraft.com/elecraft_list_guidelines.htm
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Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread lstavenhagen

Reminds me of some of the aviation newsgroups I follow - some topics go on
and on, die down for a few days/weeks and then start back up all over again
(props and oil for example). It's generally things that you can't confirm go
one way or the other until after a looong time and a lot of money spent,
neither of which pilots have in great quantities hi hi.

I will say tho that I have personally made things like computer parts -
DIMMS and a few other things - go kapow with ESD especially in carpetted
rooms with no precautions taken. So with that in mind I went ahead and
invested in a good Desco mat and strap before I did my K2 build. I'll use it
with my K3 when it gets here next week too. Fortunately, an anti-stat mat is
one of those tools you can buy once and use forever and for a variety of
different things, i.e. mine serves as the op. table top when I'm not trying
to build something. etc.

So ultimately in the end I think it's a worthwhile tool to invest in even
with the initial high cost for a good one. But buying good tools is always a
good investment, even if you pinch pennies on the thing you build them with,
but that's just my personal philosophy.

73,
LS
W5QD


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Re: [Elecraft] (no subject)

2010-03-28 Thread lstavenhagen

Differences between discrete and discretize: Latter is a transitive verb
belonging to the engineering/mathematics/physics world (and perhaps
beyond). It would be difficult to discrete something. To Discrete
does not exist as a transitive verb. 

For what it's worth, the pattern used for adopting loan words (or
synthesizing new ones) in English depends partly on the semantic makeup of
the original word. Discretize is a verbal form that will probably become a
perfectly acceptable term in the language in general for giving some item
the property of being discrete. In fact, this -ize suffixation is a
general pattern for creating this type of verb where the idea is to transmit
a property to something.

Non-working examples would be synthesized verbs like to hoover up, a term
common in many British English dialects, to email which has a transitive
form, etc. One can't hooverize or emailize without really sitting down
and thinking about it pretty hard

Oh well, just the morning coffee talking hi hi
73,
LS
W5QD
-- 
View this message in context: 
http://n2.nabble.com/no-subject-tp4811489p4813049.html
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Re: [Elecraft] Elecraft Digest, Vol 71, Issue 40

2010-03-28 Thread Edward Cole
I ran into an issue trying to program memory with CW scripts using 
the config. sw.  The manual states this is possible not does not go 
into details.  I naturally tried using the terminal tab but every 
time I tried to program memory only a string of Es were recorded, 
so when I played M1 (for instance) all I got was a string of 
dits.  I opened the Help section of the sw but could not find 
anything to help me, there.  I guess Elecraft expects most hams will 
use a key to input messages into memory.

So I did what I always do with software, I started looking around and 
experimenting.  Edit memory is found under configurationhmm, I 
wondered.  But there was no command for programing the 
radio.  Finally, I discovered that the process is:
1) Press REC, on the radio
2) Press M# (M1 in my case) on the radio
3) Edit memory one with the script I wanted to send
4) Press SAVE on the edit memory page of the sw
5) Press REC on the radio

The script was sent to the K3 memory apparently instantaneously!

In any case M1 was now programmed as I wanted.  Press/Hold M1 
resulted in the CW beacon message that I wanted to send.

I might have been able to send the script from the terminal program, 
but only with the computer connected.

On thing I did realize from this was the K3 is ready to go with 
soundcard sw; merely connect audio patch cords to line-in and 
line-out and connect a serial cable to the RS-232 port. I haven't 
actually done this, yet, but expect it will work just fine.  I have 
used a HB radio/computer interface (has keying transistors and audio 
isolation xfmrs), but this makes for a quick set up with no extra 
cost (or clumsy external device).  I do not know how the USB adapter 
will work simulating the RS-232 port (I bought the adapter from 
K3).  If it can generate RS-232 levels for DTR and RTS lines than it 
should work FB.



73, Ed - KL7UW, WD2XSH/45
==
  BP40IQ   500 KHz - 10-GHz   www.kl7uw.com
500-KHz/CW, 144-MHz EME, 1296-MHz EME
DUBUS Magazine USA Rep dubus...@hotmail.com
== 

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[Elecraft] kio2 for K2 15w

2010-03-28 Thread Rolf Jansson
Hello all , any kio2 for sale

(k2 15w)

 

Rolf 

SM2MZC

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Re: [Elecraft] scopeing filters for eventual diversity receive.

2010-03-28 Thread Dave, G4AON
Inject a clean signal to the K3, around S5 - S7 in level, go into the 
CONFIG menu, adjust the filter offset (FLx FRQ) by rotating the main 
tuning knob until the signal drops one S point then adjust it to the 
other side until it again drops one S point. Set the offset to the 
middle of the two extremes.

My 400 Hz 8 pole filter appeared to have more insertion loss than my 250 
Hz 8 pole, setting the offset solved the apparent additional insertion 
loss. My settings are -0.07 for the 400 Hz and -0.05 for the 250 Hz.

73 Dave, G4AON
K3/100 #80
---

How are you testing for offset? Sounds like I should check the offset on my
5 and 8 pole filters.

73,
N2TK, Tony
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Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread Hisashi T Fujinaka
Being in the semiconductor business and having sat by a anti-static
crusader in a previous company, I can tell you you're completely wrong
about long-term damage. However, if you want to treat your rig like a
normal computer and get a new one in a couple of years, you'll be fine.

On Sun, 28 Mar 2010, Bob Naumann wrote:

 Despite this fact, my K3 survived my totally inadequate use of the pink
 packing material and the silvery anti-static bags also.

 I think this whole issue is being blown way out of proportion.

 If these things were indeed that static sensitive, they'd be dropping like
 flies all over the world on a daily basis.

 Can we go back to talking about how to use these radios better and stop the
 arguing about minutiae?

 73,

 Bob W5OV

 P.S. I installed my DVR board 2 weeks ago (without an approved static
 mat!) and it works perfectly alone and in conjunction with N1MM.



 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of David Woolley (E.L)
 Sent: Sunday, March 28, 2010 2:35 AM
 To: Elecraft@mailman.qth.net
 Subject: Re: [Elecraft] Grounding Mat Chatter

 Some of the anti-static bags that Elecraft use are the pink ones.  Those
 are non-conducting and get their anti-static properties by not
 generating static, rather than dissipating it.  They would be useless as
 an anti-static mat.

 kf4by wrote:

 For a grounding mat I simply used the anti-static bag the RF board
 + was packaged in. I clipped my wrist strap to it until the radio grew
 to be a
 + chassis. At that time I clipped the wrist strap to the chassis but kept
 + the mat in place. All sub-assembly components were unwrapped on the
 + mat. Hence everything was the same potential.




-- 
Hisashi T Fujinaka - ht...@twofifty.com
BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte
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Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread Chris Hembree
This would be like buying a new Apple computer every 2 years.
Chris W7CTH






From: Hisashi T Fujinaka ht...@twofifty.com
To: Bob Naumann w...@w5ov.com
Cc: Elecraft@mailman.qth.net
Sent: Sun, March 28, 2010 10:11:36 AM
Subject: Re: [Elecraft] Grounding Mat Chatter

Being in the semiconductor business and having sat by a anti-static
crusader in a previous company, I can tell you you're completely wrong
about long-term damage. However, if you want to treat your rig like a
normal computer and get a new one in a couple of years, you'll be fine.

On Sun, 28 Mar 2010, Bob Naumann wrote:

 Despite this fact, my K3 survived my totally inadequate use of the pink
 packing material and the silvery anti-static bags also.

 I think this whole issue is being blown way out of proportion.

 If these things were indeed that static sensitive, they'd be dropping like
 flies all over the world on a daily basis.

 Can we go back to talking about how to use these radios better and stop the
 arguing about minutiae?

 73,

 Bob W5OV

 P.S. I installed my DVR board 2 weeks ago (without an approved static
 mat!) and it works perfectly alone and in conjunction with N1MM.



 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of David Woolley (E.L)
 Sent: Sunday, March 28, 2010 2:35 AM
 To: Elecraft@mailman.qth.net
 Subject: Re: [Elecraft] Grounding Mat Chatter

 Some of the anti-static bags that Elecraft use are the pink ones.  Those
 are non-conducting and get their anti-static properties by not
 generating static, rather than dissipating it.  They would be useless as
 an anti-static mat.

 kf4by wrote:

 For a grounding mat I simply used the anti-static bag the RF board
 + was packaged in. I clipped my wrist strap to it until the radio grew
 to be a
 + chassis. At that time I clipped the wrist strap to the chassis but kept
 + the mat in place. All sub-assembly components were unwrapped on the
 + mat. Hence everything was the same potential.




-- 
Hisashi T Fujinaka - ht...@twofifty.com
BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte
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[Elecraft] K3 unstable ssb power

2010-03-28 Thread Juha Kasari
Help!

I have K3 #2100. On CW power is very stable, but not on SSB. There is some
change on output power, it is not constant.

If I tune my linear (Titan) on CW with 50 W, output is stable 1500 W. but on
SSB with the same driving power I get only about 1200 W? If I whistle to mic
it takes about 2-3 seconds and power rising to 1500W. Titan has peak power
meter and I have also Bird 43.

I have tested also to 50 ohm dummy load and without linear, with and without
tuner. Really, power is first about 80 W and then it go to 100 W very slowly
on SSB. TXG VCE has no effect.

Why? Is that normal behavior of K3? I have latest firmware, today loaded. I
think it is like ALC react too much and too quickly.

73 de Juha - oh6os
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Re: [Elecraft] K3 unstable ssb power

2010-03-28 Thread Dave, G4AON
Juha this problem is an old one. Some time back the K3 had poor ALC 
which allowed for overshoot on peaks, the firmware was altered to soften 
the ALC control with the results you (and the rest of us) experience. 
The power can slowly increase over the first few seconds on SSB, the 
effect is less if you TUNE first via the front panel button. Also, 
have you checked that you are driving the ALC meter reasonably well, as 
per the manual?

For comparison, my TS-480SAT is also quite soft on ALC control with the 
peak power seeming to vary from one moment to the next. With some 
previous radios I recall seeing the peaks on an oscilloscope looking 
like a trimmed hedge, which is liable to create excessive IMD.

I use an LP-100 peak reading power meter and the K3 is similar in it's 
peaks compared to my TS-480 with the same linear (Acom 1000). I don't 
think it's anything to worry about.

73 Dave, G4AON
K3/100 #80 f/w 3.79
-

I have K3 #2100. On CW power is very stable, but not on SSB. There is some
change on output power, it is not constant.

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Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread The Smiths

Who thought that a Grounding Mat could generate over 100 emails.  People, it's 
a grounding mat.  Seriously...
 
 Date: Sun, 28 Mar 2010 12:49:10 +0100
 From: elecr...@astromag.co.uk
 To: elecraft@mailman.qth.net
 Subject: Re: [Elecraft] Grounding Mat Chatter
 
 A proper grounding mat costs a fraction of the price of a transceiver, 
 so why not use a proper mat and avoid the risk? Perhaps Elecraft should 
 sell anti-static mats and wrist bands.
 
 There have also been complaints that the DSP board upgrade included the 
 risk of static damaged boards being re-used and shipped to unsuspecting 
 K3 owners. As has been said on here countless times, static damage 
 doesn't necessarily show up straight away.
 
 73 Dave, G4AON
 -
 For a grounding mat I simply used the anti-static bag the RF board was 
 packaged in. I clipped my wrist strap to it until the radio grew to be 
 a chassis. At that time I clipped the wrist strap to the chassis but 
 kept the mat in place. All sub-assembly components were unwrapped on 
 the mat. Hence everything was the same potential.
 
 The result: I didn't spend money on a mat I would only occasionally use 
 and #3995 is performing flawlessly. I guess you might call it the 
 mid-west farm boy approach, make due with what you have.
 
 
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[Elecraft] Filter offsets

2010-03-28 Thread Mike K5NU
Fellow Crafters,

The subject matter on this list often gets very technical - too technical - for 
those of us who have their primary expertise in areas other than digital 
electronics and computer programming, etc.  Out here in the country, I don't 
have access to spectral analyzers and other test equipment.  I determine my K3 
filter offsets by plumb bobbing.  20 lb. monofiliment with the ceiling fan off.

Proceed at your own discretetion.

73,  Mike K5NU
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[Elecraft] Using Low Pwr on K3

2010-03-28 Thread john
I am wanting to know if there are any other adjustments that I need to 
do to be able to run low pwr on my k3?  For example like 1-5 watts?  I 
am wanting to use it in the upcoming QRP contest.  I have a K3 with the 
100 watts option.  When I tune my rig with an external tuner, say 
starting with 30 watts and go down to 2.2 watts on pwr setting on radio, 
it shows abt 6 watts on tuner.  The swr meter on radio does not show 
anything past the 2.2 watts setting, it looks like this --   instead of 
1:1-1.  I have done the 5 watt calibration in the k3 utility.

Thanks
John
KM5PS
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Re: [Elecraft] K3 unstable ssb power

2010-03-28 Thread Juha Kasari
Thanks,

Ok, so it is feature!

Yes I have adjust MIC and CMP just like manual, not effect. So there is no
solution to problem.

juha


2010/3/28 Dave, G4AON elecr...@astromag.co.uk

 Juha this problem is an old one. Some time back the K3 had poor ALC which
 allowed for overshoot on peaks, the firmware was altered to soften the ALC
 control with the results you (and the rest of us) experience. The power can
 slowly increase over the first few seconds on SSB, the effect is less if you
 TUNE first via the front panel button. Also, have you checked that you are
 driving the ALC meter reasonably well, as per the manual?

 For comparison, my TS-480SAT is also quite soft on ALC control with the
 peak power seeming to vary from one moment to the next. With some previous
 radios I recall seeing the peaks on an oscilloscope looking like a trimmed
 hedge, which is liable to create excessive IMD.

 I use an LP-100 peak reading power meter and the K3 is similar in it's
 peaks compared to my TS-480 with the same linear (Acom 1000). I don't think
 it's anything to worry about.

 73 Dave, G4AON
 K3/100 #80 f/w 3.79
 -


 I have K3 #2100. On CW power is very stable, but not on SSB. There is some
 change on output power, it is not constant.


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[Elecraft] [K3] T32 IOTA Dxpedition K3 problems

2010-03-28 Thread DC1RS

Found on the T32 website:

K3 problem. Any ideas ?
2010-03-28 08:30

This morning local time (Saturday 21:00 gmt) we started our journey to
Caroline island. Estimate 5 days sailing. Almost 9,000 Qs in our logs from
the 3 days on Malvern. Derek's beloved Elecraft K3 has a problem! On 40m
only, the instant the rig is keyed, even at min power, it switches off as if
the supply plug is disconnected. After an indeterminate delay power is
restored and the rig can be used on other bands. Any ideas, please contact
Maury, IZ1CRR (iz1crr @ tin.it). 73 Derek


Maybe someone is able to help them.

73 de Roland, DC1RS

-
K3/100 #1243, KFL3A-2.8K, KFL3A-2.1K, KFL3A-400, KRX3, KFL3A-2.8K, KFL3A-400,
KAT3, KXV3A
-- 
View this message in context: 
http://n2.nabble.com/K3-T32-IOTA-Dxpedition-K3-problems-tp4813803p4813803.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread jeff herr
There is a lot of difference between exposing the radio, i.e. the finished
product (all buttoned up), and the components INSIDE the unit, to static.

The external interface signals are driven by different types of circuits
where the internal logic is least resistant.

Static damage can be long term, as anyone who had tracked product quality
via failure returns can tell you.

 

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Hisashi T Fujinaka
Sent: Sunday, March 28, 2010 9:12 AM
To: Bob Naumann
Cc: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] Grounding Mat Chatter

Being in the semiconductor business and having sat by a anti-static
crusader in a previous company, I can tell you you're completely wrong
about long-term damage. However, if you want to treat your rig like a
normal computer and get a new one in a couple of years, you'll be fine.

On Sun, 28 Mar 2010, Bob Naumann wrote:

 Despite this fact, my K3 survived my totally inadequate use of the pink
 packing material and the silvery anti-static bags also.

 I think this whole issue is being blown way out of proportion.

 If these things were indeed that static sensitive, they'd be dropping like
 flies all over the world on a daily basis.

 Can we go back to talking about how to use these radios better and stop
the
 arguing about minutiae?

 73,

 Bob W5OV

 P.S. I installed my DVR board 2 weeks ago (without an approved static
 mat!) and it works perfectly alone and in conjunction with N1MM.



 -Original Message-
 From: elecraft-boun...@mailman.qth.net
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of David Woolley (E.L)
 Sent: Sunday, March 28, 2010 2:35 AM
 To: Elecraft@mailman.qth.net
 Subject: Re: [Elecraft] Grounding Mat Chatter

 Some of the anti-static bags that Elecraft use are the pink ones.  Those
 are non-conducting and get their anti-static properties by not
 generating static, rather than dissipating it.  They would be useless as
 an anti-static mat.

 kf4by wrote:

 For a grounding mat I simply used the anti-static bag the RF board
 + was packaged in. I clipped my wrist strap to it until the radio grew
 to be a
 + chassis. At that time I clipped the wrist strap to the chassis but kept
 + the mat in place. All sub-assembly components were unwrapped on the
 + mat. Hence everything was the same potential.




-- 
Hisashi T Fujinaka - ht...@twofifty.com
BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte
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Re: [Elecraft] [K3] T32 IOTA Dxpedition K3 problems

2010-03-28 Thread Frank R. Oppedijk
Hi Maury,

Some things spring to mind:

- Does this problem also occur in TEST mode (press and hold the MODE^ button)?
- If not, it may be RF coming back to the rig. Is the rig grounded?
- I've had this problem once with a multiband antenna, on a band for 
which the built-in ATU had problems matching the antenna. What is the 
SWR on 40 meters? Does this problem occur when transmitting into a dummy load?
- If the problem is related to the built-in ATU, please notice that 
you can bypass it by pressing and holding the ATU TUNE button.

Hope this can be of any help. Good luck on Caroline Island!

73,

Frank PA4N


At 18:59 28/03/2010, you wrote:

Found on the T32 website:

K3 problem. Any ideas ?
2010-03-28 08:30

This morning local time (Saturday 21:00 gmt) we started our journey to
Caroline island. Estimate 5 days sailing. Almost 9,000 Qs in our logs from
the 3 days on Malvern. Derek's beloved Elecraft K3 has a problem! On 40m
only, the instant the rig is keyed, even at min power, it switches off as if
the supply plug is disconnected. After an indeterminate delay power is
restored and the rig can be used on other bands. Any ideas, please contact
Maury, IZ1CRR (iz1crr @ tin.it). 73 Derek


Maybe someone is able to help them.

73 de Roland, DC1RS

-
K3/100 #1243, KFL3A-2.8K, KFL3A-2.1K, KFL3A-400, KRX3, KFL3A-2.8K, KFL3A-400,
KAT3, KXV3A
--
View this message in context: 
http://n2.nabble.com/K3-T32-IOTA-Dxpedition-K3-problems-tp4813803p4813803.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] K3 unstable ssb power

2010-03-28 Thread Jan Erik Holm
Doesn´t seem to be a fix. My K3 is just about the same.

Jim SM2EKM
--
Juha Kasari wrote:
 Thanks,
 
 Ok, so it is feature!
 
 Yes I have adjust MIC and CMP just like manual, not effect. So there is no
 solution to problem.
 
 juha
 
 
 2010/3/28 Dave, G4AON elecr...@astromag.co.uk
 
 Juha this problem is an old one. Some time back the K3 had poor ALC which
 allowed for overshoot on peaks, the firmware was altered to soften the ALC
 control with the results you (and the rest of us) experience. The power can
 slowly increase over the first few seconds on SSB, the effect is less if you
 TUNE first via the front panel button. Also, have you checked that you are
 driving the ALC meter reasonably well, as per the manual?

 For comparison, my TS-480SAT is also quite soft on ALC control with the
 peak power seeming to vary from one moment to the next. With some previous
 radios I recall seeing the peaks on an oscilloscope looking like a trimmed
 hedge, which is liable to create excessive IMD.

 I use an LP-100 peak reading power meter and the K3 is similar in it's
 peaks compared to my TS-480 with the same linear (Acom 1000). I don't think
 it's anything to worry about.

 73 Dave, G4AON
 K3/100 #80 f/w 3.79
 -


 I have K3 #2100. On CW power is very stable, but not on SSB. There is some
 change on output power, it is not constant.


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Re: [Elecraft] Using Low Pwr on K3

2010-03-28 Thread Radio Amateur N5GE
On Sun, 28 Mar 2010 11:00:08 -0500, john jmc...@km5ps.com wrote:

I believe the K3 auto tuner uses the power you have set in the tune
power setting when you activate it.

Can anyone confirm that?

TOM, N5GE BT

73 ES GUD LUK
AR DE N5GE SK

I am wanting to know if there are any other adjustments that I need to 
do to be able to run low pwr on my k3?  For example like 1-5 watts?  I 
am wanting to use it in the upcoming QRP contest.  I have a K3 with the 
100 watts option.  When I tune my rig with an external tuner, say 
starting with 30 watts and go down to 2.2 watts on pwr setting on radio, 
it shows abt 6 watts on tuner.  The swr meter on radio does not show 
anything past the 2.2 watts setting, it looks like this --   instead of 
1:1-1.  I have done the 5 watt calibration in the k3 utility.

[snip]

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Re: [Elecraft] K3 unstable ssb power

2010-03-28 Thread Ruben Navarro Huedo
Same here.
I have to overload a little ALC and CMP and it solves almost all the 
problem, but it continues.
Before the k3 i owned an Icom 7700 and with the correct ALC and CMP it 
had a very stable SSB Power.

I am sure it can be solved with a firmware update.

El 28/03/2010 20:30, Jan Erik Holm escribió:
 Doesn´t seem to be a fix. My K3 is just about the same.

 Jim SM2EKM
 --
 Juha Kasari wrote:
 Thanks,

 Ok, so it is feature!

 Yes I have adjust MIC and CMP just like manual, not effect. So there is no
 solution to problem.

 juha


 2010/3/28 Dave, G4AONelecr...@astromag.co.uk

 Juha this problem is an old one. Some time back the K3 had poor ALC which
 allowed for overshoot on peaks, the firmware was altered to soften the ALC
 control with the results you (and the rest of us) experience. The power can
 slowly increase over the first few seconds on SSB, the effect is less if you
 TUNE first via the front panel button. Also, have you checked that you are
 driving the ALC meter reasonably well, as per the manual?

 For comparison, my TS-480SAT is also quite soft on ALC control with the
 peak power seeming to vary from one moment to the next. With some previous
 radios I recall seeing the peaks on an oscilloscope looking like a trimmed
 hedge, which is liable to create excessive IMD.

 I use an LP-100 peak reading power meter and the K3 is similar in it's
 peaks compared to my TS-480 with the same linear (Acom 1000). I don't think
 it's anything to worry about.

 73 Dave, G4AON
 K3/100 #80 f/w 3.79
 -


 I have K3 #2100. On CW power is very stable, but not on SSB. There is some
 change on output power, it is not constant.


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-- 
Rubén Navarro Huedo - EA5BZ
http://www.palotes.com
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Re: [Elecraft] Using Low Pwr on K3

2010-03-28 Thread Brett Howard
It only does that if you have it set to a TUN PWR if you have it set to
NOR then it uses what you are currently set to...

~Brett

On Sun, 2010-03-28 at 13:40 -0500, Radio Amateur N5GE wrote:
 On Sun, 28 Mar 2010 11:00:08 -0500, john jmc...@km5ps.com wrote:
 
 I believe the K3 auto tuner uses the power you have set in the tune
 power setting when you activate it.
 
 Can anyone confirm that?
 
 TOM, N5GE BT
 
 73 ES GUD LUK
 AR DE N5GE SK
 
 I am wanting to know if there are any other adjustments that I need to 
 do to be able to run low pwr on my k3?  For example like 1-5 watts?  I 
 am wanting to use it in the upcoming QRP contest.  I have a K3 with the 
 100 watts option.  When I tune my rig with an external tuner, say 
 starting with 30 watts and go down to 2.2 watts on pwr setting on radio, 
 it shows abt 6 watts on tuner.  The swr meter on radio does not show 
 anything past the 2.2 watts setting, it looks like this --   instead of 
 1:1-1.  I have done the 5 watt calibration in the k3 utility.
 
 [snip]
 
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Re: [Elecraft] Grounding Mat Chatter

2010-03-28 Thread Ken Alexander
Just checking my records here Bob.  I think Obsessimg About Grounding Matts 
runs on a quarterly cycle around here.  It seems to be winding down now, so you 
can expect it to start all over again around the end of June.

Too bad Elecraft doesn't included an approved grounding matt with each of 
their kits.  It would reduce traffic on the reflector by 20%!

73,

Ken Alexander
VE3HLS

P.S.  Obsessing Over Soldering Irons should be starting again soon  8-)


--- On Sun, 3/28/10, Bob Naumann w...@w5ov.com wrote:

 If these things were indeed that static sensitive, they'd be dropping 
 like flies all over the world on a daily basis.
 
 Can we go back to talking about how to use these radios better and stop 
 the arguing about minutiae?

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[Elecraft] Radio Shack ESD mat doesn't meet spec

2010-03-28 Thread Mike Morrow
Gary Hvizdak wrote:

 You can read the full text of Alan's post in the Reflector archives at
 http://mailman.qth.net/pipermail/elecraft/2008-February/083794.html

Fred wrote:

Ingenious test set up Alan used to measure 1.0E10 ohms.

I must be missing something in the test description.  Wouldn't the
very low internal resistance of the Simpson voltmeter grossly swamp
the effects of the very high resistance of the mat?  Even the input
resistance of a VTVM would be very low compared to the resistance
that is to be measured (even if measurement is only periodically
made on the circuit).

Mike / KK5F



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Re: [Elecraft] [K3] T32 IOTA Dxpedition K3 problems

2010-03-28 Thread Brett Howard
In conjunction with the things to check that Frank provided also turn on
the current monitor or better yet externally monitor current.  Is there
a meter on your supply or something that you can use to measure that?

~Brett

On Sun, 2010-03-28 at 08:59 -0800, DC1RS wrote:
 Found on the T32 website:
 
 K3 problem. Any ideas ?
 2010-03-28 08:30
 
 This morning local time (Saturday 21:00 gmt) we started our journey to
 Caroline island. Estimate 5 days sailing. Almost 9,000 Qs in our logs from
 the 3 days on Malvern. Derek's beloved Elecraft K3 has a problem! On 40m
 only, the instant the rig is keyed, even at min power, it switches off as if
 the supply plug is disconnected. After an indeterminate delay power is
 restored and the rig can be used on other bands. Any ideas, please contact
 Maury, IZ1CRR (iz1crr @ tin.it). 73 Derek
 
 
 Maybe someone is able to help them.
 
 73 de Roland, DC1RS
 
 -
 K3/100 #1243, KFL3A-2.8K, KFL3A-2.1K, KFL3A-400, KRX3, KFL3A-2.8K, KFL3A-400,
 KAT3, KXV3A


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Re: [Elecraft] scopeing filters for eventual diversity receive.

2010-03-28 Thread Brett Howard
Why use the S-Meter for this?  Depending on where you are in that S-Unit
that can make you miss the center.  What you need is a relative dB
measurement.  Turns out that the only piece of test equipment that you
need is a K3.  

Center the signal in the passband.  Then hit disp and use VFO to get to
the AFV menu item.  Let it settle on a value and then turn clockwise one
more click.  You should then see 0dBV.  Then as you adjust things you
can go up and down until you find the -3.0dBV points of the filter.  Or
you can test to the two -6dBV points and then calculate the mean of your
two points.  Just as simple but less error prone.

~Brett (KC7OTG)

On Sun, 2010-03-28 at 16:10 +0100, Dave, G4AON wrote:
 Inject a clean signal to the K3, around S5 - S7 in level, go into the 
 CONFIG menu, adjust the filter offset (FLx FRQ) by rotating the main 
 tuning knob until the signal drops one S point then adjust it to the 
 other side until it again drops one S point. Set the offset to the 
 middle of the two extremes.
 
 My 400 Hz 8 pole filter appeared to have more insertion loss than my 250 
 Hz 8 pole, setting the offset solved the apparent additional insertion 
 loss. My settings are -0.07 for the 400 Hz and -0.05 for the 250 Hz.
 
 73 Dave, G4AON
 K3/100 #80
 ---
 
 How are you testing for offset? Sounds like I should check the offset on my
 5 and 8 pole filters.
 
 73,
 N2TK, Tony
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Re: [Elecraft] Elecraft Digest, Vol 71, Issue 40

2010-03-28 Thread Dave, W8OV
Ed,

Thanks for posting this.  I, too, had been hunting for some time to 
figure this one out.  'configurationhmm' indeed!  True it is there 
big as life when I looked, but just didn't see it there before because I 
didn't expect to see it there, I guess.

--Dave, W8OV

On 3/28/2010 8:52 AM, Edward Cole wrote:


 So I did what I always do with software, I started looking around and
 experimenting.  Edit memory is found under configurationhmm, I
 wondered.
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[Elecraft] How to disable DVR in N1MM

2010-03-28 Thread Ignacy

I have N1MM programmed to use DVR. It works well but sometimes it is better
without. Is there an easy way to temporarily disable voice memories in N1MM
but so they can be easily reinstated?

Ignacy

-- 
View this message in context: 
http://n2.nabble.com/How-to-disable-DVR-in-N1MM-tp4814856p4814856.html
Sent from the [K3] mailing list archive at Nabble.com.
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Re: [Elecraft] How to disable DVR in N1MM

2010-03-28 Thread n5lz
In N1MM, in ESM mode, Alt Enter will temporarily disable the DVR while 
writing qso data into the database and allowing you to use the 
microphone.

Also, you can import, export, save, and retrieve both SSB and CW message 
sets that have been customized for specific contests and operators.  Use 
Import/Import Function Keys or Export/Export Function Keys in the menu..

Don, N5LZ

- Original Message - 
From: Ignacy n...@arrl.net
To: elecraft@mailman.qth.net
Sent: Sunday, March 28, 2010 3:15 PM
Subject: [Elecraft] How to disable DVR in N1MM



 I have N1MM programmed to use DVR. It works well but sometimes it is 
 better
 without. Is there an easy way to temporarily disable voice memories in 
 N1MM
 but so they can be easily reinstated?

 Ignacy

 -- 
 View this message in context: 
 http://n2.nabble.com/How-to-disable-DVR-in-N1MM-tp4814856p4814856.html
 Sent from the [K3] mailing list archive at Nabble.com.
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Re: [Elecraft] scopeing filters for eventual diversity receive.

2010-03-28 Thread N2TK, Tony
Dave,
Tnx for the tip. In one K3 the 400 stayed at 0, and the 200 went from -.89
to -.84. In the other K3 the 500 went from -.75 to -.88 and the 200 went
from -.94 to -.96. 

73,
N2TK, Tony
#311
#1435

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Dave, G4AON
Sent: Sunday, March 28, 2010 11:10 AM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] scopeing filters for eventual diversity receive.

Inject a clean signal to the K3, around S5 - S7 in level, go into the 
CONFIG menu, adjust the filter offset (FLx FRQ) by rotating the main 
tuning knob until the signal drops one S point then adjust it to the 
other side until it again drops one S point. Set the offset to the 
middle of the two extremes.

My 400 Hz 8 pole filter appeared to have more insertion loss than my 250 
Hz 8 pole, setting the offset solved the apparent additional insertion 
loss. My settings are -0.07 for the 400 Hz and -0.05 for the 250 Hz.

73 Dave, G4AON
K3/100 #80
---

How are you testing for offset? Sounds like I should check the offset on my
5 and 8 pole filters.

73,
N2TK, Tony
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Re: [Elecraft] (no subject)

2010-03-28 Thread Bill Coleman

On Mar 27, 2010, at 5:30 PM, John Ragle wrote:

 This is not a New Age word at all. It refers to a process which has 
 been taken from one with */continuous/* variables (variable capacitors, 
 roller inductors) to one in which the L,C components are fixed, but 
 relays switch from one discrete value to another, as in most automatic 
 antenna tuners. ATUs are not discrete (can any of them keep a secret?) 
 but rather discretized --  big difference. I think you need a new 
 dictionary.

In the compression field, we generally used the word quantize for this 
process.

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

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Re: [Elecraft] oscarv...@speedy.com.ar

2010-03-28 Thread Oscar Vais
Hola Don,

Thank you very much my friend, is a great help, I connect it directly and 
operate vy good, Fl2100Z RY 17 DC 300 mA.

73, CUL

LU1XS, Oscar


LU1XS, Oscar
- Original Message - 
From: Don Wilhelm w3...@embarqmail.com
To: oscarv...@speedy.com.ar
Cc: Elecraft@mailman.qth.net
Sent: Saturday, March 27, 2010 9:40 PM
Subject: Re: [Elecraft] oscarv...@speedy.com.ar


 Oscar,

 I don't know the specifics of your particular amplifier - BUT -
 The K3 KEYOUT  can handle up to 200 volts DC (positive only) at 5 Amperes.

 You can easily measure the requirements of any amplifier with a DMM. 
 First set it to read voltage and measure the open circuit voltage (to the 
 amplifier ground) from your amplifier KeyIn (or PTT IN or whatever it is 
 labeled).  If that voltage is positive and less than 200 volts, check one 
 passes.
 Then configure your DMM to read current.  Connect the positive probe to 
 the center conductor of the amplifier KeyIn jack and touch the negative 
 probe to ground (that should operate the relay in the amplifier).  If the 
 current is less than 5 Amps and the voltage test succeeded, then the K3 
 can key that amplifier.

 73,
 Don W3FPR

 oscarv...@speedy.com.ar wrote:
 I need to connect my amplifier fl2100z with K3, direct connect to key out 
 to RY the amp FL2100Z or I have to put a relay, please i need help and 
 thank you very much.-

 LU1XS, Oscar


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[Elecraft] ERR TXG when running 50 watt TX calibration procedure

2010-03-28 Thread Alfred Frugoli
Hello everyone again,

Thanks for the quick replies on the K3 Utility errors I was having last
night.  5W TX manual calibration worked just fine.

Now I've got my KPA3 installed, and when trying to run the manual 50 watt TX
calibration procedure, after going in to Tune mode (pressing and holding
XMIT/TUNE for 1 second), the display shows - - in VFO A and 0W in VFO
B.  When I press XMIT/TUNE again to exit from Tune mode, VFO B reads ERR
TXG.  I have my FLTX set to FL1 ,which is the 2.7K filter, for all modes.  I
have run the Synthesizer calibration procedure already, as well as the
Reference Oscillator calibration using Method 2 (zero-beating).

Thoughts?

73 de Al, KE1FO

-
Check out my Amateur Radio Contesting blog at ke1fo.wordpress.com.
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[Elecraft] W2 Watt Meter Interface ?

2010-03-28 Thread Bill D
Hello,

Got my new W2 watt meter kit a few days ago and got it built OK.  I have the
latest firmware and
W2 interface software.  The watt meter itself works well, but having some
issues with the interface
program.  I am using it on a Vista (32) laptop (dual-core with 2 G RAM).  It
has no RS-232 port so I have
to use a USB / serial cable. It was one I already had and not sure the
brand.
First, it takes a long time to open the program (2 - 3 mins). I am able to
finally connect to the W2
after I select the right comm port.  The Interface program works and does
show my power and SWR,
but it also at times shows my 100 watt FT-840 to put out a peak power of 200
to 300 watts.
The actual W2 LED's always show the correct power (no 300 watt peaks).  Also
at times the
software just goes crazy and I have to restart it.
I have tried all the different settings I could find and it still
shows those 300 peaks at times.
I have the W2 plugged into a USB port by itself (not on a USB hub).
Any suggestions on what I can do to get the interface to work better?

Thanks,

Bill - KE5YA
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Re: [Elecraft] Radio Shack ESD mat doesn't meet spec

2010-03-28 Thread Alan Bloom
 I must be missing something in the test description.  Wouldn't the
 very low internal resistance of the Simpson voltmeter grossly swamp
 the effects of the very high resistance of the mat?

Yes.  What is happening is that the capacitor is discharging through the
meter in a millisecond or so.  The meter needle jumps up only a small
amount because of the damping in the meter movement.

The only reason that technique works is that the absolute meter reading
is not important, only the ratio of two readings.  The meter jumped to
about 1/10 scale when the capacitor was charged to 15V.  So a few
minutes later when the meter jumped to 1/20V, I deduced that the
capacitor voltage must have been 7.5V.

Alan N1AL


On Sun, 2010-03-28 at 13:45 -0500, Mike Morrow wrote:
 Gary Hvizdak wrote:
 
  You can read the full text of Alan's post in the Reflector archives at
  http://mailman.qth.net/pipermail/elecraft/2008-February/083794.html
 
 Fred wrote:
 
 Ingenious test set up Alan used to measure 1.0E10 ohms.
 
 I must be missing something in the test description.  Wouldn't the
 very low internal resistance of the Simpson voltmeter grossly swamp
 the effects of the very high resistance of the mat?  Even the input
 resistance of a VTVM would be very low compared to the resistance
 that is to be measured (even if measurement is only periodically
 made on the circuit).
 
 Mike / KK5F
 
 
 
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[Elecraft] Elecraft CW Net Report for March 28th and 29th, 2010

2010-03-28 Thread Kevin Rock
Good Evening,
   It took a while after the second net for my hearing to come back!  A couple 
stations were so loud they were extremely difficult to copy.  The front end of 
the rig was getting hammered as was my hearing.  They could have turned down to 
5 watts or less and been much easier to copy.  The QRN was bad enough but the 
howling I was getting for CW tones was painful indeed.  At those times I want 
to rip off the headphones and put a pillow over them to make copy easier!  
   Moving the forty meter net later allowed a few more check ins but it was 
still light here when I finished.  Much better than last week though so I will 
keep them at these times for a while.  Weather reports were mostly sunny around 
the stations worked.  The snow has dropped off my forecast but I did have to 
rescue some early daffodils from an early demise.  They are sitting behind me 
in a glass lighting up the room.  Most of them are King Alfreds which are very 
large.  When I brought them in I thought I saw a spider in one.  On closer 
inspection I found it was a bee.  I took him outside and told him it was better 
for both of us if we did not get too close.  He agreed and sat on my potted 
lilac.  

  On 14050.5 kHz at 2200z:
K1THP - Dave - CT - K3 - 686
NO8V - John - MI - K3 - 820
K9DMV - Joe - TX - K2 - 5628
W0CZ - Ken - ND - K3 - 457
AB9V - Mike - IN - K3 - 398** QNI # 290 **
N0AR - Scott - MN - K2 - 4866  ** QNI # 240 **
W8OV - Dave - TX - K3 - 3139
WC7S - Dale - WY - K2 - 4360  QNI # 45 !!!
W0NTA - Dick - CO - K1 - 446
N7KRT - Jeff - TX - K2 - 5471 QNI # 80 !!!
W0RSR - Mike - CO - K2 - 5767
WB3AAL - Ron - PA - K2 - 1392

  On 7045 Khz at z:
NO8V - John - MI - K3 - 820
W0CZ - Ken - ND - K3 - 457
AB9V - Mike - IN - K3 - 398
N0TA - John - CO - K3 - 994
K6PJV - Dale - CA - K3 - 1183
W0RSR - Mike - CO - K2 - 5767
K1THP - Dave - CT - K3 - 686
N0AR - Scott - MN - K2 - 4866
WB3AAL - Ron - PA - K2 - 1392 QNI # 70 !!!
W7MBR - David - UT
N7KRT - Jeff - TX - K2 - 5471
K0DTJ - Brian - CA

   Hopefully I got the numbers correct.  If there are errors please email me 
with the corrections.  On my way home Friday I noticed a trillium just a few 
hundred yards outside of Buxton.  I thought I was mistaken so kept looking and 
saw another about a mile further along.  They are not blooming up here yet but 
in two or three weeks they should begin.  I am fairly sure they are the last of 
the neotenous flowers to bloom.  It's not like we have much of a changing 
canopy up here but I don't think they realize that :)  In Wisconsin the May 
apples would blast out of the ground and bloom quickly before the 
maple/basswood cover would block the light for the entire year.  Here the only 
deciduous tree of any consequence is alder but the hemlock and redcedar push 
them out by their acidic detritus and dense cover.  
   Until next week stay well,
  73,
 Kevin.  KD5ONS  (Net Control Operator 5th Class)

-
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[Elecraft] Bare Foot

2010-03-28 Thread Sam Scripter

Re: Effectiveness of going Bare Foot?

I'm writing in search of technical opinions.  Am I in the right place?  ; )

I am _not_ writing about running a rig barefoot, without an amplifier.

I am writing about building my K2 and add-on kits _with one foot bare_ --
bare foot skin in direct contact with a linoleum-tile floor, and _never
while on a carpet_. I do this in addition to having an anti-static mat
and a wristband attached thereto.

My questions are the following:

Does the bare foot on the bare floor provide any protection
at all?

Does it provide protection without a mat?

Does a bare foot on a non-carpeted floor add to the protection
provided by an anti-static mat.

I first began employing this practice in the 1980's, when I was
building and frequently working on my own desktop PC clones.

73  Sam  KN7C
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