Re: [Elecraft] k2 headphone jack

2010-04-26 Thread David Pratt
In a recent message, Ed Finn edfi...@verizon.net wrote ...

Is there a high quality replacement for this jack? I already replaced it 2x,
and now #3 has failed. This is getting old!

I would also be interested in a high quality replacement for the 
external speaker jack at the back of the K2.  I find that this jack is 
problematic.

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



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Re: [Elecraft] [K3] Line in / out socket failure

2010-04-26 Thread Stewart
Good idea Brendan, however I am trying to reduce the number of interconnects
in the shack, not increase them. I recently went thru a tidy up and get rid of
unnecessary cabling in the shack exercise...

I will have a look at the jack socket positioning on my K3 as you mentioned. 

73
Stewart G3RXQ
On Sun, 25 Apr 2010 18:05:34 +, Brendan Minish wrote:
 I use an old audio patch bay to manage the I/O connections for my K3(s)
 this makes it very easy to reroute things and significantly reduces the
 need to reach around the back of the radio.

 http://ei6iz.com/?p=4

 patch bays can be found on ebay and normalised (or half normalised)
 paths can be used for your default configuration so that you will only
 need to use patch cables when you wish to alter how something is
 connected by default

 1/8 mini-jacks are not the most solid of connectors so one does need to
 be careful with them. It is also worth checking to ensure that the board
 that carries the jack sockets (KIO3 audio daugherboard) is not pushed
 too far back causing the rear panel to prevent the jacks from going all
 the way in.
 how far this goes in is set by the black spacer fitted to J91, in one of
 the K3's I have put together this was a little too far back, it can be
 adjusted out by (carefully) using a small screwdriver to move it
 forwards a few mm on the pins of j91

 the minijacks themselves are standard parts and all the usual parts
 suppliers should have them should yours need replacing


 Stewart wrote:
 I have found that a number of these sockets on my K3 are becoming loose.
 Frequently I have to reseat the headphone plug  because one channel is 
 missing audio.
 Also if I move them I get scratching noises. They weren't the greatest when 
 I first built
 my K3, but they are definitely getting worse.


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Re: [Elecraft] K3 RF Gain calibration

2010-04-26 Thread Ian Maude
OK, here is the heads up.

Mea Culpa (as usual :) )

What I had done before was to use CWT and spot to zero beat the signal from
my XG1 and then switch off CWT.  I now assumed the signal was centred.  This
does not appear to be the case.  I tested this with all 3 versions of the
Utility and got the same result.  Then I did it manually, centering the
signal by ear et voila!  It now looks and feels right :)

73 Ian

-- 
Ian J Maude, G0VGS
SysOp GB7MBC  HB9DRV-9 DX Clusters
Member RSGB, GQRP 9838, FISTS 14077 | K3 #455
http://www.amateurradiotraining.org

On 24 April 2010 15:38, Joe Planisky jp...@jeffnet.org wrote:

 Hi Ian,

 Some earlier versions of the K3 Utility for Mac and Linux would produce the
 symptoms you describe. If you're using a Mac or Linux box to do the
 procedure and don't have the latest version of the K3 Utility, I would
 recommend updating the K3 Utility and trying the gain calibration again.
 If you ARE using the latest Mac/Linux K3 Utility, I would suggest trying the
 calibration using the Windows version if you have access to a Windows
 machine.

 If none of the above applies to you, then I don't know what else to
 suggest.

 73
 --
 Joe KB8AP


 On Apr 24, 2010, at 5:36 AM, Ian Maude wrote:

  Hi all,
 I have been playing with the RF gain calibration procedure on my K3.  I
 have
 used my XG1 as a signal source after fitting a new battery :)
 What I found had surprised me.  If I turn down the RF gain, I cannot
 completely lose a signal.  The RF gain will not move the s-meter about
 about
 s7.  Now obviously the rig is much more quiet but it seems to me that this
 is incorrect.  If I use the factory default settings, the RF gain acts in
 the way I would have expected.  I am fairly confident that the XG1 is OK.
 That is I see s9 on several rigs for 50uV.
 I would appreciate your thoughts :)

 73 Ian



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[Elecraft] K3 Speaker

2010-04-26 Thread Edward Cole
I found the internal speaker sound a little harsh for my tastes (have 
not equalized the audio), but I have an external 12-inch speaker that 
sounds fine (1950's era National Radio speaker).  Sound in my Sony 
MDR-V600 headset also fine.  I probably will never use the internal 
speaker either in the shack or portable (where headphones are common).

--

Message: 5
Date: Sun, 25 Apr 2010 09:49:57 -0700 (PDT)
From: KU5Q k...@tx.rr.com
Subject: Re: [Elecraft] K3 Replaced Your Pro III?
To: elecraft@mailman.qth.net
Message-ID: 1272214197743-4959029.p...@n2.nabble.com
Content-Type: text/plain; charset=us-ascii
snip---
The only thing I don't care for on the K3 is the speaker audio for voice.
Most everybody else I know does not have a problem with it. And I don't
anymore since I operate 99% CW at this time.  The K3 is the only HF/6m XCVR
that I've never regretted getting. The build quality, the company leadership
and location, the support from the company, the dynamic presence of K3
enthusiasts on the internet forums and email reflectors are things that all
make something that nobody can touch right now.


73, Ed - KL7UW, WD2XSH/45
==
BP40IQ   500 KHz - 10-GHz   www.kl7uw.com
EME: 144-600w, 432-100w, 1296-60w, 3400-fall 2010
DUBUS Magazine USA Rep dubus...@hotmail.com
== 

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[Elecraft] RX/TX antenna switching

2010-04-26 Thread Jon K Hellan
I have the antenna tuner with 2 antenna inputs, but not (yet) the KXV3. Is it 
possible to
automatically switch between ant 1 for tx and ant 2 for rx? I'm not talking 
about the subreceiver here.

73
Jon LA4RT
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Re: [Elecraft] RX/TX antenna switching

2010-04-26 Thread Kjeld Holm
Hi Jon,

I **think** I have seen on this reflector that you could assign VFO A to
antenna 1 and VFO B to antenna 2 and then use SPLIT to do the job. I have
not tried it out myself and I do not have time to do it right now. 

Vy 73
OZ1CCM Kjeld

 

-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jon K Hellan
Sent: 26. april 2010 15:39
To: elecraft reflector
Subject: [Elecraft] RX/TX antenna switching

I have the antenna tuner with 2 antenna inputs, but not (yet) the KXV3. Is
it possible to automatically switch between ant 1 for tx and ant 2 for rx?
I'm not talking about the subreceiver here.

73
Jon LA4RT
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Re: [Elecraft] k2 headphone jack

2010-04-26 Thread drewko
That jack gets a lot of wear for those of us who constantly switch
between headphones and speaker. I don't know if there's a better one
available but when I replaced mine I also wired a speaker/headphone
switch into the circuit. I mounted the switch on the back panel in the
unused XVTR OUT port rather than drill a new hole. 

So now I can leave the headphones plugged in all the time and just use
the switch to go between speaker and headphones. It is also a lot more
convenient than plugging and unplugging all the time-- just reach back
and toggle the switch.

73,
Drew
AF2Z


On Sun, 25 Apr 2010 21:40:04 -0400, Ed wa3drc wrote:

All,

 

Is there a high quality replacement for this jack? I already replaced it 2x,
and now #3 has failed. This is getting old!

 

Tnx,

Ed wa3drc


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Re: [Elecraft] k2 headphone jack

2010-04-26 Thread Dickinson, Joe
One of the things I plan on doing is getting a simple 4 output headphone amp 
from ART ($65).
Plug one or 2 pairs of headphones in, and output another to my computer, and 
another to a real amplifier/speaker setup.

That way I never have to unplug the set to have an output to my computer for 
Data or voice.



-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of drewko
Sent: Monday, April 26, 2010 8:42 AM
To: Ed Finn
Cc: Elecraft@mailman.qth.net
Subject: Re: [Elecraft] k2 headphone jack

That jack gets a lot of wear for those of us who constantly switch
between headphones and speaker. I don't know if there's a better one
available but when I replaced mine I also wired a speaker/headphone
switch into the circuit. I mounted the switch on the back panel in the
unused XVTR OUT port rather than drill a new hole. 

So now I can leave the headphones plugged in all the time and just use
the switch to go between speaker and headphones. It is also a lot more
convenient than plugging and unplugging all the time-- just reach back
and toggle the switch.

73,
Drew
AF2Z


On Sun, 25 Apr 2010 21:40:04 -0400, Ed wa3drc wrote:

All,

 

Is there a high quality replacement for this jack? I already replaced it 2x,
and now #3 has failed. This is getting old!

 

Tnx,

Ed wa3drc


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[Elecraft] K2 Popularity

2010-04-26 Thread K5RC
 

No wonder the K2 was such a marketing success. It has a secret ingredient.

 

The following is from a query posted on HARO (Help a Reporter Out)

 

 24) Summary: K-2 users

Name: Genevieve Tax (The New Islander) 

Category: General

Media Outlet: The New Islander

Deadline: 10:00 AM EST - 27 April

Query:

Looking for K-2 ( a type of synthetic marijuana) users of all
economic backgrounds, ages, etc. I would like to
know: descriptions of experiences with K-2 how often you use
K-2 where you get it why you use k-2 your profession and age- no
name necessary if you'd like to prefer anonymous

 

 

Tom Taormina, K5RC

Virginia City NV

Home of W7RN and K7RC

 http://k5rc.cc http://k5rc.cc   FOC 1760

Communication is the problem to the answer - 10cc

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Re: [Elecraft] K2 Popularity

2010-04-26 Thread Dickinson, Joe
That's not far off the mark.

-Original Message-
From: elecraft-boun...@mailman.qth.net 
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of K5RC
Sent: Monday, April 26, 2010 8:42 AM
To: elecraft@mailman.qth.net
Subject: [Elecraft] K2 Popularity

 

No wonder the K2 was such a marketing success. It has a secret ingredient.

 

The following is from a query posted on HARO (Help a Reporter Out)

 

 24) Summary: K-2 users

Name: Genevieve Tax (The New Islander) 

Category: General

Media Outlet: The New Islander

Deadline: 10:00 AM EST - 27 April

Query:

Looking for K-2 ( a type of synthetic marijuana) users of all economic 
backgrounds, ages, etc. I would like to
know: descriptions of experiences with K-2 how often you use
K-2 where you get it why you use k-2 your profession and age- no name necessary 
if you'd like to prefer anonymous

 

 

Tom Taormina, K5RC

Virginia City NV

Home of W7RN and K7RC

 http://k5rc.cc http://k5rc.cc   FOC 1760

Communication is the problem to the answer - 10cc

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Re: [Elecraft] k2 headphone jack

2010-04-26 Thread Jim Brown
On Mon, 26 Apr 2010 08:56:25 -0600, Dickinson, Joe wrote:

One of the things I plan on doing is getting a simple 4 output headphone 
amp from ART ($65).

Before you do, I suggest that you carefully check to see if it conforms to 
AES48 (the pin 1 problem Standard. Most stuff like that does not, and any 
box with a pin 1 problem is likely to suffer from hum, buzz, and RFI. Look at 
the input and output jacks carefully -- if they are screwed down to the 
chassis, they don't have a pin 1 problem. If they poke through the chassis on 
holes that are larger than the jacks or are insulated from the chassis, they 
DO have a pin 1 problem. 

The most dependable mfr in that regard is Rane, and they have a very nice 
headphone amp. 

73,

Jim Brown K9YC


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[Elecraft] International Shipping Charges !!??!!

2010-04-26 Thread Nidge (Nigel Smith)
I'm wanting to order two items from the Elecraft page, namely a replacement 
MCU
and a packet of 20 panel screws, not really very large items.  However when 
I went to the
checkout to select delivery method the charges struck me as rather 
exploitative. They
ranged from $35 for the screws and nearly $100 for the MCU.  Am I doing 
something
wrong or is this the norm ??

Regards

Nidge (G0NIG)

IO93dv 

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Re: [Elecraft] k2 headphone jack

2010-04-26 Thread Tom W8JI
One of the things I plan on doing is getting a simple 4 
output headphone amp from ART ($65).
Plug one or 2 pairs of headphones in, and output another to 
my computer, and another to a real amplifier/speaker setup.

That way I never have to unplug the set to have an output to 
my computer for Data or voice.

I use the line output for my computer, including sound 
recording. That way radio audio level settings never affect 
digital mode decoding.

I use the rear panel speaker out for my headphones or 
speaker, and have a desk mounted switch that lets me use 
multiple headphones on any audio channel. Any desk anywhere 
can hear any radio any time no matter what or who is using 
the radio. In the contest barn 5 people can listen to the 
same channel, or all on different channels. Since the K3 
speaker audio out is low impedance, and I bridge in with at 
least 160 ohms of load impedance, audio level does not 
change no matter how many phones bridge in.

To get speaker output I have a fader control and a mono amp, 
a cheap MFJ616. The fader moves the 616 to either left or 
right line, since I do not have stereo speakers.

ALL of the line taps, and the lead to the computer, are 
isolated by transformers to prevent ground loops (aka Pin 1 
problem) .

If there is general interest I could put up a schematic, but 
it's a simple clean system that has great flexibility and 
never requires moving plugs. You can see the audio boxes at:

http://www.w8ji.com/my_shack.htm  for the house station.

http://www.w8ji.com/contest_station_w8ji.htm for the contest 
station

Since buss impedance is high normal CAT-5 cable makes a 
great audio buss. Each station, except the one feeding the 
buss, is isolated by transformers.

73 Tom





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Re: [Elecraft] International Shipping Charges !!??!!

2010-04-26 Thread Mark Bayern
OUCH!  Something is wrong -- hopefully it is not your location. :)

If I were you, I would email sa...@elecraft.com and ask them. While
you might be better off looking for local source for the screws,
you're stuck getting the MCU from Elecraft, and they are in the US.

Mark AD5SS





On Mon, Apr 26, 2010 at 10:36 AM, Nidge (Nigel Smith)
nig_sm...@o2.co.uk wrote:
 I'm wanting to order two items from the Elecraft page, namely a replacement
 MCU
 and a packet of 20 panel screws, not really very large items.  However when
 I went to the
 checkout to select delivery method the charges struck me as rather
 exploitative. They
 ranged from $35 for the screws and nearly $100 for the MCU.  Am I doing
 something
 wrong or is this the norm ??

 Regards

 Nidge (G0NIG)

 IO93dv

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Re: [Elecraft] International Shipping Charges!!??!!

2010-04-26 Thread Fred Atchley
Nidge wrote:

I'm wanting to order two items from the Elecraft page, namely a replacement
MCU and a packet of 20 panel screws, not really very large items.  However
when I went to the checkout to select delivery method the charges struck me
as rather exploitative. They ranged from $35 for the screws and nearly $100
for the MCU.  Am I doing something wrong or is this the norm ??

 

End snip

Yea this is one of those WTFO things that get your attention real quick. Not
to worry through. Just pick a different delivery method. Cycle through the
selection to find the best choice for your needs (I go cheap!)

73, Fred, AE6IC, K3 #2241

 

 

 

 

 

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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Lance Collister
Hello Ron,

I use a W2IHY 2 band equalizer and noise gate with my K3 and am VERY PLEASED 
with 
the performance.  I highly recommend it!

I don't use it for trying to customize my transmit audio fidelity or anything - 
I 
think you could do that very successfully with the K3 adjustments, if you 
wanted 
to.  As a point in fact, I have never changed my K3 audio output settings at 
all.

The reason I use the W2IHY unit is for the excellent noise gate that it 
provides. 
  It very effectively cuts out the background blower noise, and I get excellent 
on 
the air reports with it.  When I acquired my K3, I tried to use the noise gate 
built into the K3 so I could keep the W2IHY unit connected to my old IC746. 
However, I could not seem to adjust the K3 noise gate to avoid getting reports 
of 
audio distortion :-(  So, reluctantly, I had to disable the noise gate in the 
K3 
and return to the external W2IHY unit.

Best wishes for success!  GL and VY 73, Lance

On 4/25/2010 8:59 PM, Ron Gould wrote:
 Has anyone tried either of these products out on a K3 and care to share their
 results compared to using the built in 8 band equalizer built into the K3.  I
 am not interested in any comments by others who have not actually tried these
 out.  If you would like to take this discussion off list please contact me
 directly.  If someone has these products and is willing to set up a schedule 
 on
 the air all the better.  Thanks
 __

-- 
Lance Collister, W7GJ (ex: WN3GPL, WA3GPL, WA1JXN, WA1JXN/C6A, ZF2OC/ZF8, 
E51SIX)
P.O. Box 73
Frenchtown, MT  59834  USA
QTH: DN27UB
TEL: (406) 626-5728   URL: http://www.bigskyspaces.com/w7gj
LIVE MESSENGER CHAT: w...@hotmail.com
2m DXCC #11, 6m DXCC #815

Interested in 6m EME?  Ask me about subscribing to the Magic Band EME email!
http://6meme.com/mailman/listinfo/magic_6meme.com
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Re: [Elecraft] Anderson Power Pole.

2010-04-26 Thread Henk Remijn PA5KT
I ordered at Quicksilver, but also at Torberry in the UK: 
http://torberry.co.uk/shop/

Henk PA5KT

David Ferrington, M0XDF schreef:
 Farnel/CPC for sure, not sure where in Portugal, but to be honest, I've found 
 buying from the US (QuickSilver http://www.qsradio.com/ to be good value and 
 sometimes cheaper than buying from within the EU).
 73 de M0XDF, K3 #174
   


-- 
Henk Remijn PA5KT
email: pa...@remijn.net
www: www.remijn.net

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[Elecraft] RX/TX antenna switching

2010-04-26 Thread Fred Lauricella
I asked the same question before.

1. You cannot use split to do it. If you try in split you will find there is
no way to have Ant 1 on Receive and Ant 2 on xmit
2. I email Elecraft support directly and the answer was it was only possible
if you add the option with the receive antenna connector on it. I think it
was about $100 usd.

If you do finds a way pleas post it. Others would like to do the same.

73 de Fred KC2QFR
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Re: [Elecraft] International Shipping Charges!!??!!

2010-04-26 Thread Jim bennett

Yep, check your shipping options first. I had been pricing a K3 this past
weekend and wanted to see what the bottom line was going to be. When I went
to checkout, my shipping charges (for a delivery distance of about 100
miles) came to $999!!! I almost fell out of my chair. Then I went back to
the previous panel and saw that I had forgotten to select a shipping method.
Ooops
-- 
View this message in context: 
http://elecraft.365791.n2.nabble.com/Re-International-Shipping-Charges-tp4963375p4963495.html
Sent from the Elecraft mailing list archive at Nabble.com.
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[Elecraft] K3 Notch

2010-04-26 Thread N1JM

I hardly ever use notch. I recently noticed that the notch doesn't reduce the
carrier as shown on the S-meter. Is it not in the agc loop?

John N1JM
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Re: [Elecraft] International Shipping Charges!!??!!

2010-04-26 Thread Bob Nielsen
That must have been the Wayne and Eric personalized delivery and  
setup option!

On Apr 26, 2010, at 9:34 AM, Jim bennett wrote:


 Yep, check your shipping options first. I had been pricing a K3  
 this past
 weekend and wanted to see what the bottom line was going to be.  
 When I went
 to checkout, my shipping charges (for a delivery distance of about 100
 miles) came to $999!!! I almost fell out of my chair. Then I went  
 back to
 the previous panel and saw that I had forgotten to select a  
 shipping method.
 Ooops

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Re: [Elecraft] International Shipping Charges!!??!!

2010-04-26 Thread David Gilbert

If I remember correctly, either Wayne or Eric (I don't remember which) 
posted here some time ago that they intentionally set up the order form 
to show a ridiculously large shipping fee if you didn't select a 
shipping method as a flag for you to go back and do so.

73,
Dave   AB7E




On 4/26/2010 9:45 AM, Bob Nielsen wrote:
 That must have been the Wayne and Eric personalized delivery and
 setup option!

 On Apr 26, 2010, at 9:34 AM, Jim bennett wrote:


 Yep, check your shipping options first. I had been pricing a K3
 this past
 weekend and wanted to see what the bottom line was going to be.
 When I went
 to checkout, my shipping charges (for a delivery distance of about 100
 miles) came to $999!!! I almost fell out of my chair. Then I went
 back to
 the previous panel and saw that I had forgotten to select a
 shipping method.
 Ooops
  
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Re: [Elecraft] International Shipping Charges!!??!!

2010-04-26 Thread Jim bennett

It works! 
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Jim Brown
On Mon, 26 Apr 2010 16:18:01 +, Lance Collister wrote:

 It very effectively cuts out the background blower noise

Some of the major causes of audible background noise are 1) working too 
far from the mic; 2) running the mic gain too high; 3) using too much 
compression/processing; and 4) not rolling off the low frequencies. 

In a noisy environment, it always helps to work close to the mic. It is 
ALWAYS good practice to use the minimum mic gain needed to get good 
modulation, use no more than about 10dB of compression/processing, and 
roll off the low frequency content. It's good engineering practice for the 
highest quality broadcast stations, and it's good practice for ham radio. 

Indeed, the only difference between what's right for broadcasting and for 
ham radio is WHERE to cut the low end and HOW MUCH money to spend on 
compression/processing. Many years ago, I sold processing systems for 
broadcast stations that cost upwards of $10K in today's dollars, and I 
helped the chief engineers of those stations adjust them. I suspect that 
W8JI and K4TAX have similar experience. Before I spent ANY money on an 
outboard box for a ham rig, I would first follow all of those elements of 
good engineering practice.  

73,

Jim Brown K9YC


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Re: [Elecraft] International Shipping Charges!!??!!

2010-04-26 Thread David Christ
Don't what methods Elecraft is willing to use, but if it fits in a 
9x11 inch envelope and weighs less that 4 pounds you can send it by 
International Priority Mail for about $14.00.  They have a small box 
at that rate, too.  We have sent everything from cake frosting to LCD 
keychains to Norway that way.  Generally takes about 5 days.  Larger 
boxes with a 20 pound limit are $25 and up to about $55.00 for a box 
not quite the size of a K3 kit as I recall.  All a bargain when 
compared to the parcel post rates.

Actually they have the same service domestically running from $5.00 
to $14.00 or so.  Weight limit here is 70 pounds as I recall.  Can be 
cheaper than UPS or FedEx.

Disclosure:  I neither work for nor own stock in the USPS.  I do 
however use their services on an almost daily basis -- generally 
incoming.

David K0LUM

At 9:07 AM -0700 4/26/10, Fred Atchley wrote:
Nidge wrote:

I'm wanting to order two items from the Elecraft page, namely a replacement
MCU and a packet of 20 panel screws, not really very large items.  However
when I went to the checkout to select delivery method the charges struck me
as rather exploitative. They ranged from $35 for the screws and nearly $100
for the MCU.  Am I doing something wrong or is this the norm ??



End snip

Yea this is one of those WTFO things that get your attention real quick. Not
to worry through. Just pick a different delivery method. Cycle through the
selection to find the best choice for your needs (I go cheap!)

73, Fred, AE6IC, K3 #2241


-- 
Education should be an accumulation of understanding, not just an 
accumulation of facts.
Dr. David M. Pozar
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Re: [Elecraft] K3 Notch

2010-04-26 Thread Bob Cunnings
No. This question comes up once in a while. Lyle made a couple of
statements on the subject in a past thread:

http://www.mail-archive.com/elecraft@mailman.qth.net/msg62779.html

and

http://www.mail-archive.com/elecraft@mailman.qth.net/msg62885.html

Perhaps it's on the list for future consideration.

Bob NW8L

On Mon, Apr 26, 2010 at 10:23 AM, N1JM johnn...@gmail.com wrote:

 I hardly ever use notch. I recently noticed that the notch doesn't reduce the
 carrier as shown on the S-meter. Is it not in the agc loop?

 John N1JM
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread ab2tc

On the K3 what would be the approximate setting for 10dB compression?

AB2TC - Knut


Jim Brown-10 wrote:
 
 snip
 In a noisy environment, it always helps to work close to the mic. It is 
 ALWAYS good practice to use the minimum mic gain needed to get good 
 modulation, use no more than about 10dB of compression/processing, and 
 roll off the low frequency content. It's good engineering practice for the 
 highest quality broadcast stations, and it's good practice for ham radio. 
 snip again
 

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Re: [Elecraft] K3 Notch

2010-04-26 Thread ab2tc

I use the notch frequently. I am curious as to why it appears so difficult to
bring it inside the AGC loop. Perhaps the auto notch is problematic, but the
manual notch is just another filter box just like the main brick wall
filter. This is pretty high on my wish list as I use the notch filter often
when the inevitable tunerupper appears on top of a DX's frequency.

AB2TC - Knut


Bob Cunnings wrote:
 
 No. This question comes up once in a while. Lyle made a couple of
 statements on the subject in a past thread:
 
 http://www.mail-archive.com/elecraft@mailman.qth.net/msg62779.html
 
 and
 
 http://www.mail-archive.com/elecraft@mailman.qth.net/msg62885.html
 
 Perhaps it's on the list for future consideration.
 
 Bob NW8L
 
 On Mon, Apr 26, 2010 at 10:23 AM, N1JM johnn...@gmail.com wrote:

 I hardly ever use notch. I recently noticed that the notch doesn't reduce
 the
 carrier as shown on the S-meter. Is it not in the agc loop?
 snip
 

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Re: [Elecraft] International Shipping Charges!!??!!

2010-04-26 Thread Nidge (Nigel Smith)
Thanks for all the replies on this one.

I have gone through the tarrifs on the website and the cheapest postal 
charge for
sending a $2 bag of panel screws is around $35 up to $88

The MCU is the same price, and both combined incurs the same charges.

I think I'll contact them direct as I recently ordered a replacement optical
encoder and that was only $10 for shipping.

Once again thanks to all who replied on and off the reflector.

Regards

Nidge (G0NIG)

IO93dv 

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Re: [Elecraft] K3 Notch

2010-04-26 Thread gary bartlett

...and while they are at it (Wayne told me it was on the list), do something
to make it easier for us CW contester ops to use Notch.  I wish, when one
first turned on Notch, that the default frequency turned up anywhere except
at the very extreme upper end of its range where, unfortunately, it is of no
value to me.  By the time I dial the notch from 2000HZ to down to where I
need it, it's too late when things are moving quickly.  I have found that
there are contesting occasions in which use of the Notch into a wide filter
is a better solution than very narrowed filters.

When in CW Mode it should default to somewhere closer to where a person
needs it -- i.e., inside the limits of whatever filter is in play.  Or why
not default to the rig's selected side-tone pitch?  That way an op would
know exactly where to go with the Notch control when first turned on.  Even
if the *Notch Go-to-2000HZ* command were turned OFF inside the radio and the
Notch left where last used would be better.  Anything.

I believe that I can show that the K3 Notch was better when the rig was
first new, before an early firmware update came along and broke it by moving
the CW Notch default up to 2Khz.  This is the first radio that I've owned in
which I have used the Notch and found Lyle's work so satisfying that I've
worked that control into the way I operate (when I think of it).   I bet
it's wasted on a lot CW ops because it is slow and awkward to employ.

Here's an ergonomic issue:  I sometimes wonder if the Notch switch could be
changed such that it goes into the Manual Adjust mode with a PUSH of the
Notch button, rather than requiring a HOLD because, for whatever reason, my
first attempt at using the Notch button invariably is usually wrong, and
besides my way is faster.

Gary, VE1RGB


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of ab2tc
Sent: April 26, 2010 4:05 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 Notch


I use the notch frequently. I am curious as to why it appears so difficult
to
bring it inside the AGC loop. Perhaps the auto notch is problematic, but the
manual notch is just another filter box just like the main brick wall
filter. This is pretty high on my wish list as I use the notch filter often
when the inevitable tunerupper appears on top of a DX's frequency.

AB2TC - Knut


Bob Cunnings wrote:
 
 No. This question comes up once in a while. Lyle made a couple of
 statements on the subject in a past thread:
 
 http://www.mail-archive.com/elecraft@mailman.qth.net/msg62779.html
 
 and
 
 http://www.mail-archive.com/elecraft@mailman.qth.net/msg62885.html
 
 Perhaps it's on the list for future consideration.
 
 Bob NW8L
 
 On Mon, Apr 26, 2010 at 10:23 AM, N1JM johnn...@gmail.com wrote:

 I hardly ever use notch. I recently noticed that the notch doesn't reduce
 the
 carrier as shown on the S-meter. Is it not in the agc loop?
 snip
 

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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Guy Olinger K2AV
Page 26 of D6 owner's manual, text states that the number displayed is
the approximate compression in dB.  Or 10 is 10.

73, Guy.

On Mon, Apr 26, 2010 at 2:56 PM, ab2tc ab...@arrl.net wrote:

 On the K3 what would be the approximate setting for 10dB compression?

 AB2TC - Knut


 Jim Brown-10 wrote:

 snip
 In a noisy environment, it always helps to work close to the mic. It is
 ALWAYS good practice to use the minimum mic gain needed to get good
 modulation, use no more than about 10dB of compression/processing, and
 roll off the low frequency content. It's good engineering practice for the
 highest quality broadcast stations, and it's good practice for ham radio.
 snip again


 --
 View this message in context: 
 http://elecraft.365791.n2.nabble.com/W2IHY-8-band-equalizer-and-EQ-Plus-tp4959845p4964331.html
 Sent from the [K3] mailing list archive at Nabble.com.
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Re: [Elecraft] [K3] Line in / out socket failure

2010-04-26 Thread Dr. Werner Furlan
Julian, G4ILO schrieb am 25 Apr 2010 um 9:22:

 Has anyone else had trouble with these sockets? Are they user replaceable
 using parts obtainable in the UK?

I have a problem with the rear Mic connector. I'll have to replace it. 
If anyone has a source for GOOD matching sockets, I'd appreciate the 
information. 

73! de Werner OE9FWV

-- 
Why be politically correct if you can be right?-- Erik V. Petersen


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[Elecraft] K2 capacitor specifications

2010-04-26 Thread Dave Clausen
Hi all-

I'm wondering if anyone knows the part numbers or specifications (e.g.
max voltage, ESR, tolerance, dielectric) for the dark red monolithic
capacitors used in the K2 and associated modules. I'm guessing they
are 50V Panasonic ECQVL-series, e.g.
http://search.digikey.com/scripts/DkSearch/dksus.dll?Detailname=P4525-ND
, but that's just a guess.

I'm placing an order with DigiKey for some other things, and I figured
I would order a few spares of these while I'm at it.

Thanks,
Dave, W2VV
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Andy Wood

I have to agree strongly with Jim - for me, the K3 does not need any form of
external processing or extras. I receive an unusually high number of
unsolicited comments about the quality of my audio. In fact, here is the
latest email I have received about it after working a few NA contacts on the
75/80m DX window:


Hi Andy,

I was talking to David, W6ANR today he informed me you are running K3
transceiver and you had the best audio he has ever heard from any K3. So I
am asking if you could give a run down on all your setting as you have them
on your radio that pertains to Audio so I can help my neighbor Bob, W9KNI
get his dialed in. His sounds lousy and he has always been a CW man but has
now been enjoying using the mic instead of the paddle.  He has had comments
that he need to dial in his audio so I told him I would help. SO maybe with
all your setting etc I can have a good place to start as I am not to
familiar with that radio. 

I hope your summer was a good for you? Here we are anxious for spring to
arrive so I can get out and do some real work out in the yard and get the
veggie garden started.
 

Best 73,


Rich K7ZV


Here is my reply to Rich:

Hi Rich,

Great to hear from you - it has been a long time since we have worked on
80/75m. I haven't been very active lately, due to work and family
commitments.

I hope I am not going to disappoint anyone when I reveal my audio setup on
the K3 as it is far from spectacular..hi hi. The fist mic I was using is a
five dollar CB type that you could find at any hamfest (no kidding!). I have
not adjusted the TX equalizer so it is still at the factory default (all
flat). I do use the compressor, but only allow it to indicate between
about 5-10dB on the meter. I also always make sure the ALC bargraph
indication is well below the upper limit.  For what it's worth, my mic gain
is set to 23 and the compression setting is at 19.

Not very fancy is it? I found the K3 to work well out of the box. As the
old saying goes if it ain't broke, don't fix it.


I think this speaks for itself - nothing else required!

Andy  VK4KY

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Re: [Elecraft] equalizer

2010-04-26 Thread Bill NY9H

ins to Audio so I can help my neighbor Bob, W9KNI get his dialed in. 
His sounds lousy and he

if you want a handheld for a K3,,,or K2  or icom...
check out 
:http://www.shure.com/ProAudio/Products/WiredMicrophones/us_pro_527C_content

you will notice that this mic has a rising hi end response,,, 
popularized by Shure Bros...(not Heil)
for articulationand works great with ssb  not flat ,,,

You could drive a car over the case and not hurt it ,,,
the PTT switch will last longer that all of usnot a mini microswich
The cord, more rubber than plastic,  isn't so stiff or thick it will 
pull that radio off the shelf but close. The 527 requires some 
dc,  the 526 is straight dynamic

while it was made in US now it's made in america,  mexico I think..

anyway , i've got three   one wired for k3 ,  two for K2/ICOM..

sold at all the usual suspect places  and cheaper than the piece 
of junk from  ...

As far as a great base mic.,,, just about anything will do, 
especially if it's an electret ,  as you can eq it to sound like a 
telefunken U-47 ribbon, if you wish...

I also have a sennheiser headset...HMD..280, with the d meaning the 
boom mic is dynamic... a sennheiser HME  would be an electret.
Found mine at dayton, as an AV lab castaway...  ebay is another 
source as new is too much$.
No longer have external eqs here.

I thought any noise gate issues were worked out by lyle.

bill
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Re: [Elecraft] Elecraft International Shipping Charges

2010-04-26 Thread David Lankshear
I went through the shock of displayed shipping charges some time ago.

 

The solution is to add a short message at the payment stage of the order,
asking the shipping staff

to send items by lowest cost.   

 

For the UK, this is usually an airmail service and it takes 5 to 8 working
days in my experience.

 

I have purchased odds and sods on a number of occasions and have always
found that the Elecraft

staff display common sense with shipping.  Stuff is always extremely well
packaged and for small

bits and pieces, ten bucks is pretty much the norm.

 

If in doubt, drop an email to li...@elecraft.com and she will tell you the
same.

 

73  DaveL  G3TJP

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[Elecraft] ELECRAFT K3 SG 500 AMPLIFIER

2010-04-26 Thread bill wade, sr.
JUST TOOK DELIVERY OF THE SGC AMP AND WANT TO HOOK IT UP SO THAT  I CAN 
USE MY HEIL PRO SET PLUS HEADSET TO ACTIVATE AMP PTT WITH A FOOTSWITCH.. 
HAS ANYONE HAD EXPERIENCE DOING THIS?  SURE CAN USE THE HELP.

BILL WADE, AI4PF
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Jim Brown
On Mon, 26 Apr 2010 11:56:50 -0700 (PDT), ab2tc wrote:

On the K3 what would be the approximate setting for 10dB compression?

Follow instructions in the K3 manual to set the meter to read 
compression. Then follow the instructions in the manual for first 
setting the mic gain without any compression, and then set the 
compression with the compression control.  When you talk, you'll see the 
compression bouncing around as you talk. It will start sounding bad when 
it goes above 10dB on the hottest voice peaks. 

73,

Jim Brown K9YC


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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Mel Farrer
Yes, and watch the ALC level while you are doing it.  I found that you can 
increase the compression and not trip the 5-7 bars of ALC, but it will sound 
terrible.  Stay below 10 dB of compression and under 5 bars of ALC for the 
smoothest sound and lack of splatter.  FWIW.

Mel, K6KBE

--- On Mon, 4/26/10, Jim Brown j...@audiosystemsgroup.com wrote:

From: Jim Brown j...@audiosystemsgroup.com
Subject: Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus
To: elecraft@mailman.qth.net elecraft@mailman.qth.net
Date: Monday, April 26, 2010, 3:02 PM

On Mon, 26 Apr 2010 11:56:50 -0700 (PDT), ab2tc wrote:

On the K3 what would be the approximate setting for 10dB compression?

Follow instructions in the K3 manual to set the meter to read 
compression. Then follow the instructions in the manual for first 
setting the mic gain without any compression, and then set the 
compression with the compression control.  When you talk, you'll see the 
compression bouncing around as you talk. It will start sounding bad when 
it goes above 10dB on the hottest voice peaks. 

73,

Jim Brown K9YC


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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread ab2tc

I am using a Heil Proset, IC element, Mic gain to LO, setting 35 and
compression set at 20. With this I can not talk the CMP reading above 10 or
the ALC reading above 7. I get good audio reports and just as importantly I
get heard remarkably well by DX stations.

AB2TC - Knut


Jim Brown-10 wrote:
 
 On Mon, 26 Apr 2010 11:56:50 -0700 (PDT), ab2tc wrote:
 
On the K3 what would be the approximate setting for 10dB compression?
 
 Follow instructions in the K3 manual to set the meter to read 
 compression. Then follow the instructions in the manual for first 
 setting the mic gain without any compression, and then set the 
 compression with the compression control.  When you talk, you'll see the 
 compression bouncing around as you talk. It will start sounding bad when 
 it goes above 10dB on the hottest voice peaks. 
 
 73,
 
 Jim Brown K9YC
 
 snip
 

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[Elecraft] K1 for sale

2010-04-26 Thread mike . short
I must sell my K1 due to other priorities.
K1 with:
4 band and 2 band modules 
KAT1
KNB1
KBT1
K1BKLT
KTS1
Palm Paddle

$450 shipped anywhere in the US, international actual cost.

Mike
AI4NS
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread ab2tc

Case in point. Just broke a huge pileup for 8R1AK/P. I am barefoot with a
G5RV.

AB2TC - Knut


ab2tc wrote:
 
 I am using a Heil Proset, IC element, Mic gain to LO, setting 35 and
 compression set at 20. With this I can not talk the CMP reading above 10
 or the ALC reading above 7. I get good audio reports and just as
 importantly I get heard remarkably well by DX stations.
 
 AB2TC - Knut
 
 

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[Elecraft] Re: International Shipping Charges !!??!!

2010-04-26 Thread Johnny Siu
Hello Nigel,

Just email to Lisa at sa...@elecraft.com and explain to her your situation.  
The shipping of minor items is excessive and I spot the mistakes in shipping 
weight a couple of times.

However, the sales team is helpful and will correct the mistakes right the 
way.  Just send them your email.

73

Johnny VR2XMC



- 郵件原件 
寄件人﹕ Nidge (Nigel Smith) nig_sm...@o2.co.uk
收件人﹕ Elecraft List elecraft@mailman.qth.net
傳送日期﹕ 2010/4/26 (一) 11:36:27 PM
主題: [Elecraft] International Shipping Charges !!??!!

I'm wanting to order two items from the Elecraft page, namely a replacement 
MCU
and a packet of 20 panel screws, not really very large items.  However when 
I went to the
checkout to select delivery method the charges struck me as rather 
exploitative. They
ranged from $35 for the screws and nearly $100 for the MCU.  Am I doing 
something
wrong or is this the norm ??

Regards

Nidge (G0NIG)

IO93dv 

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Re: [Elecraft] K3 Notch

2010-04-26 Thread N1JM

It's a shame. Such a sophisticated high end radio and no notch within the agc
loop.
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Re: [Elecraft] K3 Notch

2010-04-26 Thread Joe Subich, W4TV


On 4/26/2010 7:30 PM, N1JM wrote:

 It's a shame. Such a sophisticated high end radio and no notch within the agc
 loop.

Part of the problem is that a DSP radio needs to have the notch after
the AGC since part of the function of AGC is preventing the ADC from
being over driven.  If the notch is placed BEFORE the AGC detector
the notch will cause the interfering signal to INCREASE at the input
of the ADC.

Yes, it would be nice for the notch to allow the receiver to return
to normal gain when the interfering signal is removed but that would
merely cause the HAGC to come into play.

73,

... Joe, W4TV
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[Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-26 Thread Michael Downs
For those of you who have an iPhone and would like to have the K3 Programmer's 
Reference as a handy reference on your iPhone, read on. 

I have developed an iPhone app that puts the entire K3 Programmer's Reference 
document in iPhone format for your use. It also includes appropriate 
supplemental information from the K3 Owner's Manual incorporated into the 
reference to make less cross checking necessary as you program your PC to 
control the K3 or write macros.

It is a free application available in Apple's App Store. You can find it by 
using the search terms K3 Programmer's Guide, or just K3 or ks7d. It is 
categorized by Apple as Reference. 

It currently is the only iPhone app available that supports the K3. Hopefully 
some of the other K3 users will develop other iPhone apps for the K3. Enjoy.

Mike, ks7d

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Re: [Elecraft] K3 Notch

2010-04-26 Thread N1JM

I wonder how the other radios like an IC-7600 can get away with
putting it within the agc loop.

John N1JM

On Mon, Apr 26, 2010 at 4:46 PM, Joe Subich, W4TV-4 [via Elecraft]
ml-node+4965758-147492153-44...@n2.nabble.com wrote:


 On 4/26/2010 7:30 PM, N1JM wrote:

 It's a shame. Such a sophisticated high end radio and no notch within the
 agc
 loop.

 Part of the problem is that a DSP radio needs to have the notch after
 the AGC since part of the function of AGC is preventing the ADC from
 being over driven.  If the notch is placed BEFORE the AGC detector
 the notch will cause the interfering signal to INCREASE at the input
 of the ADC.

 Yes, it would be nice for the notch to allow the receiver to return
 to normal gain when the interfering signal is removed but that would
 merely cause the HAGC to come into play.

 73,

     ... Joe, W4TV
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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Robert Mcgraw
I said it before and written it before, good audio has to do with a good
mike and GOOD MIKE TECHNIQUE.  The best mike money will buy and poor mike
technique will result in poor audio.

We use noise gates in the professional audio studio to create special
effects.

The noise gate used on ham radio to eliminate blower noise is a false
since of secuirty for when the gate opens, along comes the noise with the
voice.  It only chops the noise in between words.  It is still there with
the voice.

73
Bob, K4TAX





 On Mon, 26 Apr 2010 16:18:01 +, Lance Collister wrote:

 It very effectively cuts out the background blower noise

 Some of the major causes of audible background noise are 1) working too
 far from the mic; 2) running the mic gain too high; 3) using too much
 compression/processing; and 4) not rolling off the low frequencies.

 In a noisy environment, it always helps to work close to the mic. It is
 ALWAYS good practice to use the minimum mic gain needed to get good
 modulation, use no more than about 10dB of compression/processing, and
 roll off the low frequency content. It's good engineering practice for
 the
 highest quality broadcast stations, and it's good practice for ham radio.

 Indeed, the only difference between what's right for broadcasting and for
 ham radio is WHERE to cut the low end and HOW MUCH money to spend on
 compression/processing. Many years ago, I sold processing systems for
 broadcast stations that cost upwards of $10K in today's dollars, and I
 helped the chief engineers of those stations adjust them. I suspect that
 W8JI and K4TAX have similar experience. Before I spent ANY money on an
 outboard box for a ham rig, I would first follow all of those elements of
 good engineering practice.

 73,

 Jim Brown K9YC


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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Robert Mcgraw
Very well said Jim.

73
Bob, K4TAX


 On Mon, 26 Apr 2010 16:18:01 +, Lance Collister wrote:

 It very effectively cuts out the background blower noise

 Some of the major causes of audible background noise are 1) working too
 far from the mic; 2) running the mic gain too high; 3) using too much
 compression/processing; and 4) not rolling off the low frequencies.

 In a noisy environment, it always helps to work close to the mic. It is
 ALWAYS good practice to use the minimum mic gain needed to get good
 modulation, use no more than about 10dB of compression/processing, and
 roll off the low frequency content. It's good engineering practice for
 the
 highest quality broadcast stations, and it's good practice for ham radio.

 Indeed, the only difference between what's right for broadcasting and for
 ham radio is WHERE to cut the low end and HOW MUCH money to spend on
 compression/processing. Many years ago, I sold processing systems for
 broadcast stations that cost upwards of $10K in today's dollars, and I
 helped the chief engineers of those stations adjust them. I suspect that
 W8JI and K4TAX have similar experience. Before I spent ANY money on an
 outboard box for a ham rig, I would first follow all of those elements of
 good engineering practice.

 73,

 Jim Brown K9YC


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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-26 Thread Darin Land
Nice, thank you!

Darin, k6osx


On 4/26/2010 4:47 PM, Michael Downs wrote:
 For those of you who have an iPhone and would like to have the K3 
 Programmer's Reference as a handy reference on your iPhone, read on.

 I have developed an iPhone app that puts the entire K3 Programmer's Reference 
 document in iPhone format for your use. It also includes appropriate 
 supplemental information from the K3 Owner's Manual incorporated into the 
 reference to make less cross checking necessary as you program your PC to 
 control the K3 or write macros.

 It is a free application available in Apple's App Store. You can find it by 
 using the search terms K3 Programmer's Guide, or just K3 or ks7d. It is 
 categorized by Apple as Reference.

 It currently is the only iPhone app available that supports the K3. Hopefully 
 some of the other K3 users will develop other iPhone apps for the K3. Enjoy.

 Mike, ks7d

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Re: [Elecraft] Re: International Shipping Charges !!??!! [END of Thread]

2010-04-26 Thread Eric Swartz - WA6HHQ, Elecraft
due to the large variation of international shipping costs per country 
and method chosen, we always correct international shipping to the most 
reasonable method and cost and confirm it with the customer before shipping.

73, Eric   WA6HHQ


On 4/26/2010 4:18 PM, Johnny Siu wrote:
 Hello Nigel,

 Just email to Lisa at sa...@elecraft.com and explain to her your situation.  
 The shipping of minor items is excessive and I spot the mistakes in shipping 
 weight a couple of times.

 However, the sales team is helpful and will correct the mistakes right the 
 way.  Just send them your email.

 73

 Johnny VR2XMC



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Re: [Elecraft] W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Robert Mcgraw
And do remember, more compression brings up background noise between
words by the amount of the compression value.   Hence with 10 dB of
compression, a background noise level that would normally produce and
output of 1 watt will then sound like 10 watts of noise.

73
Bob, K4TAX


 On the K3 what would be the approximate setting for 10dB compression?

 AB2TC - Knut


 Jim Brown-10 wrote:

 snip
 In a noisy environment, it always helps to work close to the mic. It is
 ALWAYS good practice to use the minimum mic gain needed to get good
 modulation, use no more than about 10dB of compression/processing, and
 roll off the low frequency content. It's good engineering practice for
 the
 highest quality broadcast stations, and it's good practice for ham
 radio.
 snip again


 --
 View this message in context:
 http://elecraft.365791.n2.nabble.com/W2IHY-8-band-equalizer-and-EQ-Plus-tp4959845p4964331.html
 Sent from the [K3] mailing list archive at Nabble.com.
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Re: [Elecraft] K3 Programmer's Reference iPhone App Available

2010-04-26 Thread Eric Swartz - WA6HHQ, Elecraft
Mike,  Thanks for doing this. Looks good.

In general, please ask us for permission first before reproducing our 
copyrighted material for wide distribution. In general we'll likely OK 
it for free apps like this, but it is a legal requirement for us to 
protect our copyrights.

I'm officially giving our OK for this one. :-)

Please add K3 Programmer's Reference (c) 2010 Elecraft, Inc., Used with 
permission to your app.

73, Eric   WA6HHQ
(Wearing my Elecraft COO hat.)
===



On 4/26/2010 4:47 PM, Michael Downs wrote:
 For those of you who have an iPhone and would like to have the K3 
 Programmer's Reference as a handy reference on your iPhone, read on.

 I have developed an iPhone app that puts the entire K3 Programmer's Reference 
 document in iPhone format for your use. It also includes appropriate 
 supplemental information from the K3 Owner's Manual incorporated into the 
 reference to make less cross checking necessary as you program your PC to 
 control the K3 or write macros.

 It is a free application available in Apple's App Store. You can find it by 
 using the search terms K3 Programmer's Guide, or just K3 or ks7d. It is 
 categorized by Apple as Reference.

 It currently is the only iPhone app available that supports the K3. Hopefully 
 some of the other K3 users will develop other iPhone apps for the K3. Enjoy.

 Mike, ks7d


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Re: [Elecraft] K3 Notch

2010-04-26 Thread Tom W8JI
I wonder how the other radios like an IC-7600 can get away 
with
putting it within the agc loop.

Maybe because nobody notices something else that goes bad.

Life is often full of compromises. If we give up something 
like close-spaced dynamic range or better AGC performance, 
it can sometimes allow us to do the more obscure things we 
would use 1% of the time. :-)

Sometimes engineers overlook something they could have done, 
and sometimes they don't want to compromise something most 
people would find more important.

73 Tom 

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Re: [Elecraft] K3 Notch

2010-04-26 Thread Joe Subich, W4TV


  I wonder how the other radios like an IC-7600 can get away with
  putting it within the agc loop.

Perhaps they're using a fixed level of hardware AGC ahead of the
ADC or intentionally holding the level to the ADC well below
saturation (forfeiting dynamic range) to prevent a strong
interfering signal from clipping.

73,

... Joe, W4TV

On 4/26/2010 7:50 PM, N1JM wrote:

 I wonder how the other radios like an IC-7600 can get away with
 putting it within the agc loop.

 John N1JM

 On Mon, Apr 26, 2010 at 4:46 PM, Joe Subich, W4TV-4 [via Elecraft]
 ml-node+4965758-147492153-44...@n2.nabble.com  wrote:


 On 4/26/2010 7:30 PM, N1JM wrote:

 It's a shame. Such a sophisticated high end radio and no notch within the
 agc
 loop.

 Part of the problem is that a DSP radio needs to have the notch after
 the AGC since part of the function of AGC is preventing the ADC from
 being over driven.  If the notch is placed BEFORE the AGC detector
 the notch will cause the interfering signal to INCREASE at the input
 of the ADC.

 Yes, it would be nice for the notch to allow the receiver to return
 to normal gain when the interfering signal is removed but that would
 merely cause the HAGC to come into play.

 73,

  ... Joe, W4TV
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[Elecraft] Compression and noise - was W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread John King
 
 
 And do remember, more compression brings up background noise between
 words by the amount of the compression value.   Hence with 10 dB of
 compression, a background noise level that would normally produce and
 output of 1 watt will then sound like 10 watts of noise.
 
 73
 Bob, K4TAX
 

Bob's comment above is right on the money and is well worth re-reading.

Professional announcers use proper mic technique *and* they work in 
sound booths or acoustically inert studios. Sports announcers who must
work in noisy environments use headsets with high quality noise-canceling 
mics inches from their lips, followed by processors far more sophisticated
than any used by hams.

A tip to the phone contest fellows: prepare your CQ loops in a quiet
room well in advance of the event. I am always astounded at the poor
quality of the CQ loops in contests - many from the well known big
gun stations who should know better. I wonder about the impact on the
Q-rate when the listeners (especially those whose native language is 
other than English) have difficulty understanding the CQ loop.  

73,
  john WA1ABI
  
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[Elecraft] Just got a K1 4 band K1 kit

2010-04-26 Thread Rob @ Peg Pohorence
Hello All, 
Want to Buy ELECRAFT K1 Options, I
 have a Stock, 4 bans  kit , and getting ready to build it! What options do you 
have for the Elecraft K1. that you are not using?
thanks rob 
n8rt

                  Sincerely, Rob N8RT.com , Peggy , and Maggie Sue Papillion    
   No Man is a Failure, who has Friends      From: It's a Wonderful Life




  
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[Elecraft] ERR 12V on K3

2010-04-26 Thread Derek Cohn/WB0TUA
Hi Everyone,

I'm still learning how to use my K3 and thanks to the help of everyone on this 
list, I've been able to sprinkle in a few RTTY contacts with my CW.

A couple of days ago, I was on RTTY and ran into a problem.  I'm pretty sure 
(but not 100% certain) I had cranked the power down so it showed about 50W out 
on the K3 meter and was yapping away.  I had essentially finished the QSO and 
tried to send a couple of farewell characters and the transmitter didn't turn 
on.  I looked at the display and saw ERR 12V displayed.  I got out the manual 
and read the error could be do to the PA module dropping into bypass mode.  I 
power cycled the radio, and tried it in CW...I had about 5 watts out.  I think 
adjusted the power control until I had full power again.  So, I have two 
questions:

1) Did I overheat the K3 running it in RTTY to cause the ERR 12V to be 
displayed?

2) If I overheated the radio, should that have happened with the output at 50w 
on the K3 internal meter?

Thanks for any help you guys can give me!

73,

Derek Cohn
Morse Telegraph Club - Alton Chapter
Office UD, Sine DJ
Amateur Radio Station - WBØTUA
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[Elecraft] K3 Notch

2010-04-26 Thread Merle Bone
The problem with having the manual notch filter outside the AGC 
loop is that if you are trying to notch out a CW signal, although the tone is 
eliminated, the notched signal causes the AGC to pump - thus hurting weak 
signal 
copy. I think whenever you start using thebig tools you have an idea that you 
are not in the  optimum receive situation. For me, the ideal would be auto 
notch outside the  loop and manual notch inside the loop.
73, Merle - W0EWM



On 4/26/2010 7:30 PM, N1JM wrote:

 It's a shame. Such a sophisticated high end radio and no notch within the agc
 loop.

Part of the problem is that a DSP radio needs to have the notch after
the AGC since part of the function of AGC is preventing the ADC from
being over driven.  If the notch is placed BEFORE the AGC detector
the notch will cause the interfering signal to INCREASE at the input
of the ADC.

Yes, it would be nice for the notch to allow the receiver to return
to normal gain when the interfering signal is removed but that would
merely cause the HAGC to come into play.

73,

... Joe, W4TV
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[Elecraft] K3 Notch

2010-04-26 Thread Don Rasmussen
Engineering trade offs are so interesting.

Unfortunately the K3 notch works outside of the AGC loop. However everything 
else about the K3 sounds brilliant and natural using Lyle's IF DSP in all modes.

The FT2000 has it's manual NOTCH inside the AGC loop, kudos on that, but the IF 
DSP receiver does not sound quiet and natural on CW, like K3 does, if there is 
any noise on the band at all. 

What was Yaesu's solution? They assigned the sub receiver to be analog, so you 
have a hybrid, which solves the problem.

However - switching from the digital side to the analog side really contrasts 
just what a noisy receiver you have on the IF DSP side when there is any band 
noise. Why doesn't K3 have this problem? I don't know. 

It seems silly that K3 can get the DSP proper for all modes, and Yaesu has you 
flipping from one side to the other - but the FT2000 has an ergonomics package 
that really rocks. It adds to operating fun if you have nothing on the line 
(like contest operation). 

==
[Elecraft] K3 Notch
Joe Subich, W4TV lists at subich.com 
Mon Apr 26 21:15:41 EDT 2010 


  I wonder how the other radios like an IC-7600 can get away with
  putting it within the agc loop.

Perhaps they're using a fixed level of hardware AGC ahead of the
ADC or intentionally holding the level to the ADC well below
saturation (forfeiting dynamic range) to prevent a strong
interfering signal from clipping.

73,

... Joe, W4TV


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[Elecraft] K2 CAT Control

2010-04-26 Thread Don Rasmussen
Just a reminder of this CAT program for K2. 

http://www.zerobeat.net/mediawiki/index.php/Procat_Cool_for_Windows
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[Elecraft] OT: Sunspots

2010-04-26 Thread Don Rasmussen
I can hear the half empty types now - what a mole hill, who needs a K3, why 
even bother to show up for such a small solar maximum. 

The way I remember it, the last cycle was PLAGUED by geomagnetic storms that 
always came at the worst possible time (FALL). But the numbers looked great. !!!

http://www.zerobeat.net/wb8yqj/ssn_predict.jpg

Looking at the graphic, two things:

- We are well into the upswing - further than I would have guessed - happy days 
they are here again. ;-)

- Look at the aweful, slow, agonizing decline from the last cycle - ack!




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Re: [Elecraft] Compression and noise - was W2IHY 8 band equalizer and EQ Plus

2010-04-26 Thread Jim Brown
On Mon, 26 Apr 2010 21:24:09 -0400, John King wrote:

I wonder about the impact on the
Q-rate when the listeners (especially those whose native language is 
other than English) have difficulty understanding the CQ loop.

And things seem to be getting worse with every contest. At least 10% of the 
SSB signals I hear are so badly processed that the audio is so badly 
distorted that I can't copy the call sign, even if I listen to it a dozen 
times. And yes, some of these lids consider themselves big guns. 

Several times in the last month or so, R1FJM has been spotted on 20M SSB. I'd 
like to work him, and I can hear him, but his audio is so awful I can't 
understand a word. If someone knows him, please tell him. 

73,

Jim K9YC


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