[Elecraft] ATU and Bandpass Filter

[Lane]

A question about the K2. Taking it to the club for FD and I have a
bandpass filter (CF-20) which says "Never use radio's internal tuner
with filter."

I have the internal ATU installed. Is there a way to bypass that? Or
should I just use the "main antenna" jack (manual says never use if
ATU installed) on the bottom left, instead of the two midway in the
middle?
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[lmarion]

Yes the tuners are great, and my 160 mtr full wave loop makes a good  6mtr 
antenna, especially on receive.


But something about 6 mtrs on a beam, magic.

Hf beams, yeah they do mostly what you expect.  But something about the 
short wave length, maybe.


Maybe 2 mtrs is that way too, I don't know.

But every 6 meter beam I have kicks butt.

My KX3 and a portable MFJ 6 meter 3ele beam works like a big gun station.

Leroy AB7CE

-Original Message- 
From: Bob McGraw K4TAX

Sent: Thursday, June 22, 2017 7:11 PM
To: elecraft@mailman.qth.net
Subject: Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

Yes, even my 160M center fed dipole {256 ft}  with its balanced feed
line and a 4:1 Guanella dual core current balun works quite nice on 6M.

73

Bob, K4TAX


On 6/22/2017 2:48 PM, Wayne Burdick wrote:
If you have a K3, K3S, or KX3, with the built-in auto tuner, then any 
antenna is a 6 m antenna :-)


Wayne
N6KR



http://www.elecraft.com

On Jun 22, 2017, at 12:08 PM, Raymond Sills  
wrote:


That's telling me that six meters could be a valuable band during Field 
Day.  Consider having at least a dipole antenna that can to put into 
service.  If the E-clouds are active, participants could pick up quite a 
few points in a band that has lots of room.  The "skip" moves around a 
lot, but FD QSOs are short, so it could be a very productive band.  And 
you don't need power.. QRP is often as good as QRO.



73 de Ray
K2ULR
KX3 #211



-Original Message-
From: Wayne Burdick 
To: Elecraft Reflector 
Sent: Thu, Jun 22, 2017 1:11 pm
Subject: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon 
from Kansas. DXmaps.com has red all over :)At times like this it pays to 
jump on 6 meters. 
73,WayneN6KR__Elecraft 
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Re: [Elecraft] Roofing Filters

[Wayne Burdick]

Not very many, fortunately.

Wayne
N6KR


> On Jun 22, 2017, at 6:01 PM,   wrote:
> 
> What percentage are rejected?
> 
> FWIW, I have bought filters for other brand radios direct from Inrad for
> decades however all of the filters in my K3S's were bought though Elecraft.
> I was unaware of additional screening until now.
> 
> John KK9A
> 
> Wayne Burdick n6kr at elecraft.com 
> Thu Jun 22 12:54:12 EDT 2017
> Previous message: [Elecraft] Roofing Filters
> 
> Yes. We screen every INRAD filter. Those that don't meet our dynamic range
> targets are rejected.
> 
> Wayne
> N6KR
> 
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Re: [Elecraft] K3 PREAMP2

[Don Wilhelm]

Brian,

Since the IF takeoff point in the K3 is before any filtering or 
processing, I would expect the band noise floor to rise with the preamp(s).


If you are referring to the receiver noise level with the antenna 
disconnected, then you have a valid point and I have no suggestions to 
offer.


73,
Don W3FPR

On 6/22/2017 5:46 PM, brian wrote:

I use an SDR based panadapter (ROCKY) on the subrx.

I've noticed the following on all bands 15-6 when switching in preamps.

Noise floor no preamp = x
Noise floor with preamp 1 = x to x+1 dB
Noise floor with preamp 2 = X+10 to X+15 dB.

Would have expected the noise floor with preamp 2 to be about x.

What's going on?

73 de Brian/K3KO
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Bob McGraw K4TAX]

Yes, even my 160M center fed dipole {256 ft}  with its balanced feed 
line and a 4:1 Guanella dual core current balun works quite nice on 6M.


73

Bob, K4TAX


On 6/22/2017 2:48 PM, Wayne Burdick wrote:

If you have a K3, K3S, or KX3, with the built-in auto tuner, then any antenna 
is a 6 m antenna :-)

Wayne
N6KR



http://www.elecraft.com


On Jun 22, 2017, at 12:08 PM, Raymond Sills  wrote:

That's telling me that six meters could be a valuable band during Field Day.  Consider 
having at least a dipole antenna that can to put into service.  If the E-clouds are 
active, participants could pick up quite a few points in a band that has lots of room.  
The "skip" moves around a lot, but FD QSOs are short, so it could be a very 
productive band.  And you don't need power.. QRP is often as good as QRO.


73 de Ray
K2ULR
KX3 #211



-Original Message-
From: Wayne Burdick 
To: Elecraft Reflector 
Sent: Thu, Jun 22, 2017 1:11 pm
Subject: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon from 
Kansas. DXmaps.com has red all over :)At times like this it pays to jump on 6 
meters. 
73,WayneN6KR__Elecraft
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[Elecraft] Roofing Filters

[john]

What percentage are rejected?

FWIW, I have bought filters for other brand radios direct from Inrad for
decades however all of the filters in my K3S's were bought though Elecraft.
I was unaware of additional screening until now.

John KK9A

Wayne Burdick n6kr at elecraft.com 
Thu Jun 22 12:54:12 EDT 2017
Previous message: [Elecraft] Roofing Filters

Yes. We screen every INRAD filter. Those that don't meet our dynamic range
targets are rejected.

Wayne
N6KR

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Re: [Elecraft] RTTY with K3

[Don Wilhelm]

Tom,

Many USB to serial adapters do not work at slower speeds, and the FSK 
input to the K3 is at a slow speed (the baud rate for RTTY is slow).


The Edgeport USB to serial converters seem to work well at any speed (I 
have the 4 port converter).  Note that there is an apparent difference 
between "converter" and "adapter".


If you do not wish to purchase another adapter (converter), you might 
want to set the K3 up for AFSK-A and use your soundcard to both the K3 
LINE IN and LINE OUT - just set the audio levels as you would for any 
other soundcard data mode - 4 bars solid on the K3 ALC meter with the 
5th bar flashing.


Once the audio levels are set, you should not have to touch them during 
operation.  An external soundcard is best as long as it is not set to be 
the default soundcard in your computer - if it is, turn off any sounds 
from your Operating System.


You do have a soundcard that you are using for the RTTY decode, use the 
same one.


AFSK-A is as good as FSK-D, and may give even better IMD performance.

73,
Don W3FPR

On 6/22/2017 5:01 PM, Tom Fitzpatrick via Elecraft wrote:

Trying to set up RTTY on the K3. Receive working fine using MMTTY. Hooked USB 
from computer through USB/Serial converter and plugged through an opto-isolator 
adapter to the ACC plug for FSK. It doesn't key the rig and no keying is coming 
through. I've tried 2 different USB/Serial converters. Seems I read somewhere 
there's a special one (expensive) that is the only one that will work?

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Re: [Elecraft] RTTY with K3

[Tox]

TrippLite Keyspan model USA-19HS should work, is about $25, has solid
drivers for both windows and mac, and can help you program arduinos if that
becomes interesting.

Tox
AD6YT

On Thu, Jun 22, 2017 at 2:39 PM, Joe Subich, W4TV  wrote:

>
> Are you trying to use the USB to serial converter as a serial port
> (COM# in MMTTY's FSK & PTT Port) or are you using EXTFSK/EXTFSK64?
>
> I know of only one manufacturer of USB to serial converter ("Edgeport")
> that works at the serial rate required for standard RTTY.
>
> What version of MMMTTY are you trying to set up?   I recommend you
> download the most recent version of MMTTY (1.70K) and study the Help
> file information on FSK (with EXTFSK/EXTFSK64).
>
> 73,
>
>... Joe, W4TV
>
>
> On 6/22/2017 5:01 PM, Tom Fitzpatrick via Elecraft wrote:
>
>> Trying to set up RTTY on the K3. Receive working fine using MMTTY. Hooked
>> USB from computer through USB/Serial converter and plugged through an
>> opto-isolator adapter to the ACC plug for FSK. It doesn't key the rig and
>> no keying is coming through. I've tried 2 different USB/Serial converters.
>> Seems I read somewhere there's a special one (expensive) that is the only
>> one that will work?
>>
>> Tom, K4IE
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-- 
Scott Small
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Fred Jensen]

Well... I have an 80-10 End Fed on the top of the wood fence.  My KAT3 
easily tunes it to 6 meters with 1.1:1 SWR, however I've heard nothing 
except NW Reno [~10 mi], which probably wasn't Es.  Two reasons come to 
mind:


1.  The antenna is one-way on 6 meters

2.  Es is very selective as to location and apparently it isn't 
selecting Sparks NV.


73,

Fred ("Skip") K6DGW
Sparks NV USA
Washoe County DM09dn

On 6/22/2017 12:48 PM, Wayne Burdick wrote:

If you have a K3, K3S, or KX3, with the built-in auto tuner, then any antenna 
is a 6 m antenna :-)

Wayne
N6KR



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[Elecraft] K3 PREAMP2

[brian]

I use an SDR based panadapter (ROCKY) on the subrx.

I've noticed the following on all bands 15-6 when switching in preamps.

Noise floor no preamp = x
Noise floor with preamp 1 = x to x+1 dB
Noise floor with preamp 2 = X+10 to X+15 dB.

Would have expected the noise floor with preamp 2 to be about x.

What's going on?

73 de Brian/K3KO
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Re: [Elecraft] RTTY with K3

[Joe Subich, W4TV]

Are you trying to use the USB to serial converter as a serial port
(COM# in MMTTY's FSK & PTT Port) or are you using EXTFSK/EXTFSK64?

I know of only one manufacturer of USB to serial converter ("Edgeport")
that works at the serial rate required for standard RTTY.

What version of MMMTTY are you trying to set up?   I recommend you
download the most recent version of MMTTY (1.70K) and study the Help
file information on FSK (with EXTFSK/EXTFSK64).

73,

   ... Joe, W4TV


On 6/22/2017 5:01 PM, Tom Fitzpatrick via Elecraft wrote:

Trying to set up RTTY on the K3. Receive working fine using MMTTY. Hooked USB 
from computer through USB/Serial converter and plugged through an opto-isolator 
adapter to the ACC plug for FSK. It doesn't key the rig and no keying is coming 
through. I've tried 2 different USB/Serial converters. Seems I read somewhere 
there's a special one (expensive) that is the only one that will work?

Tom, K4IE
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Re: [Elecraft] Roofing Filters

[Wayne Burdick]

We actually test at higher levels than this. 

The hardware AGC is *after* the crystal filter. Gain control prior to the 
filter is in discrete steps under control of the user: preamps and attenuator 
sections.

Wayne
N6KR



> On Jun 22, 2017, at 1:20 PM, Joe Subich, W4TV  wrote:
> 
> 
> >  Could you elaborate on "dynamic range" in crystal filters?
> 
> All crystals have imperfections (flaws).  Those flaws create distortion
> when the crystal is driven with a high level signal and the distortion
> (non-linear response) results in intermodulation distortion (IMD).
> 
> The K3/K3S operates the crystal filter at a higher level than many other
> receivers.  Thus, testing the filters for linearity at the maximum
> signal level (equivalent to S9 +40 dB - where the hardware AGC engages)
> is important to assure the best possible performance over the entire
> operating range of the K3/K3S.
> 
> 73,
> 
>   ... Joe, W4TV
> 
> 
> On 6/22/2017 3:12 PM, Bob wrote:
>> Hi Wayne,
>> Could you elaborate on "dynamic range" in crystal filters?  A quick 
>> search did not yield a definition.  A SWAG might be another term for 
>> ultimate rejection or it with ripple in the passband...
>> Just curious.
>> 73,
>> Bob
>> K2TK ex KN2TKR (1956) & K2TKR
>> On 6/22/2017 12:54 PM, Wayne Burdick wrote:
>>> Yes. We screen every INRAD filter. Those that don’t meet our dynamic range 
>>> targets are rejected.
>>> 
>>> Wayne
>>> N6KR
>>> 
>>> 
 On Jun 22, 2017, at 9:46 AM, Vic Rosenthal  wrote:
 
 I recall Wayne saying that Elecraft tested filters received from INRAD for 
 some specific performance characteristics. I don't remember the details.
 
 Vic 4X6GP
 
> On 22 Jun 2017, at 17:14, Clay Autery  wrote:
> 
> INRAD makes Elecraft's filters as I understand it...
> 
> I'll be getting mine from Elecraft directly.
> 
> __
> Clay Autery, KY5G
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[Elecraft] RTTY with K3

[Tom Fitzpatrick via Elecraft]

Trying to set up RTTY on the K3. Receive working fine using MMTTY. Hooked USB 
from computer through USB/Serial converter and plugged through an opto-isolator 
adapter to the ACC plug for FSK. It doesn't key the rig and no keying is coming 
through. I've tried 2 different USB/Serial converters. Seems I read somewhere 
there's a special one (expensive) that is the only one that will work?

Tom, K4IE
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[tomb18]

YesBut it's funny because other people seem to be able to tune the antenna on 
6.Oh well, I'm in the process of making a 6m vertical dipole. 73 Tom 


Sent from my Samsung Galaxy smartphone.
 Original message From: Wayne Burdick  Date: 
2017-06-22  4:08 PM  (GMT-05:00) To: tomb18  Cc: Raymond 
Sills , elecraft@mailman.qth.net Subject: Re: [Elecraft] 
6 meters open this morning; listening 50.095 (CW) 
It's probably pretty narrow-banded. Did you try tapping ATU TUNE a second time 
within five seconds? The tuner tries about twice as many settings when you do 
that.

73,
Wayne
N6KR. 
http://www.elecraft.com
On Jun 22, 2017, at 1:06 PM, tomb18  wrote:

BiHmmm, not my minibeam...a cushceaft ma5b.. Can't tune that at 6mTomva2fsq.com 


Sent from my Samsung Galaxy smartphone.
 Original message From: Wayne Burdick  Date: 
2017-06-22  3:48 PM  (GMT-05:00) To: Raymond Sills  Cc: 
elecraft@mailman.qth.net Subject: Re: [Elecraft] 6 meters open this morning; 
listening 50.095 (CW) 
If you have a K3, K3S, or KX3, with the built-in auto tuner, then any antenna 
is a 6 m antenna :-)

Wayne 
N6KR



http://www.elecraft.com

> On Jun 22, 2017, at 12:08 PM, Raymond Sills  wrote:
> 
> That's telling me that six meters could be a valuable band during Field Day.  
> Consider having at least a dipole antenna that can to put into service.  If 
> the E-clouds are active, participants could pick up quite a few points in a 
> band that has lots of room.  The "skip" moves around a lot, but FD QSOs are 
> short, so it could be a very productive band.  And you don't need power.. QRP 
> is often as good as QRO.
> 
> 
> 73 de Ray
> K2ULR
> KX3 #211
> 
> 
> 
> -Original Message-
> From: Wayne Burdick 
> To: Elecraft Reflector 
> Sent: Thu, Jun 22, 2017 1:11 pm
> Subject: [Elecraft] 6 meters open this morning; listening 50.095 (CW)
> 
> Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon from 
> Kansas. DXmaps.com has red all over :)At times like this it pays to jump on 6 
> meters. 
> 73,WayneN6KR__Elecraft
>  mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: 
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Re: [Elecraft] Roofing Filters

[Joe Subich, W4TV]

>  Could you elaborate on "dynamic range" in crystal filters?

All crystals have imperfections (flaws).  Those flaws create distortion
when the crystal is driven with a high level signal and the distortion
(non-linear response) results in intermodulation distortion (IMD).

The K3/K3S operates the crystal filter at a higher level than many other
receivers.  Thus, testing the filters for linearity at the maximum
signal level (equivalent to S9 +40 dB - where the hardware AGC engages)
is important to assure the best possible performance over the entire
operating range of the K3/K3S.

73,

   ... Joe, W4TV


On 6/22/2017 3:12 PM, Bob wrote:

Hi Wayne,

 Could you elaborate on "dynamic range" in crystal filters?  A 
quick search did not yield a definition.  A SWAG might be another term 
for ultimate rejection or it with ripple in the passband...


 Just curious.

73,
Bob
K2TK ex KN2TKR (1956) & K2TKR


On 6/22/2017 12:54 PM, Wayne Burdick wrote:
Yes. We screen every INRAD filter. Those that don’t meet our dynamic 
range targets are rejected.


Wayne
N6KR



On Jun 22, 2017, at 9:46 AM, Vic Rosenthal  wrote:

I recall Wayne saying that Elecraft tested filters received from 
INRAD for some specific performance characteristics. I don't remember 
the details.


Vic 4X6GP


On 22 Jun 2017, at 17:14, Clay Autery  wrote:

INRAD makes Elecraft's filters as I understand it...

I'll be getting mine from Elecraft directly.

__
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Wayne Burdick]

It's probably pretty narrow-banded. Did you try tapping ATU TUNE a second time 
within five seconds? The tuner tries about twice as many settings when you do 
that.

73,
Wayne
N6KR. 


http://www.elecraft.com

> On Jun 22, 2017, at 1:06 PM, tomb18  wrote:
> 
> Bi
> Hmmm, not my minibeam...a cushceaft ma5b.. Can't tune that at 6m
> Tom
> va2fsq.com 
> 
> 
> 
> Sent from my Samsung Galaxy smartphone.
> 
>  Original message 
> From: Wayne Burdick 
> Date: 2017-06-22 3:48 PM (GMT-05:00)
> To: Raymond Sills 
> Cc: elecraft@mailman.qth.net
> Subject: Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)
> 
> If you have a K3, K3S, or KX3, with the built-in auto tuner, then any antenna 
> is a 6 m antenna :-)
> 
> Wayne 
> N6KR
> 
> 
> 
> http://www.elecraft.com
> 
> > On Jun 22, 2017, at 12:08 PM, Raymond Sills  wrote:
> > 
> > That's telling me that six meters could be a valuable band during Field 
> > Day.  Consider having at least a dipole antenna that can to put into 
> > service.  If the E-clouds are active, participants could pick up quite a 
> > few points in a band that has lots of room.  The "skip" moves around a lot, 
> > but FD QSOs are short, so it could be a very productive band.  And you 
> > don't need power.. QRP is often as good as QRO.
> > 
> > 
> > 73 de Ray
> > K2ULR
> > KX3 #211
> > 
> > 
> > 
> > -Original Message-
> > From: Wayne Burdick 
> > To: Elecraft Reflector 
> > Sent: Thu, Jun 22, 2017 1:11 pm
> > Subject: [Elecraft] 6 meters open this morning; listening 50.095 (CW)
> > 
> > Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon 
> > from Kansas. DXmaps.com has red all over :)At times like this it pays to 
> > jump on 6 meters. 
> > 73,WayneN6KR__Elecraft
> >  mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: 
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[tomb18]

BiHmmm, not my minibeam...a cushceaft ma5b.. Can't tune that at 6mTomva2fsq.com 


Sent from my Samsung Galaxy smartphone.
 Original message From: Wayne Burdick  Date: 
2017-06-22  3:48 PM  (GMT-05:00) To: Raymond Sills  Cc: 
elecraft@mailman.qth.net Subject: Re: [Elecraft] 6 meters open this morning; 
listening 50.095 (CW) 
If you have a K3, K3S, or KX3, with the built-in auto tuner, then any antenna 
is a 6 m antenna :-)

Wayne 
N6KR



http://www.elecraft.com

> On Jun 22, 2017, at 12:08 PM, Raymond Sills  wrote:
> 
> That's telling me that six meters could be a valuable band during Field Day.  
> Consider having at least a dipole antenna that can to put into service.  If 
> the E-clouds are active, participants could pick up quite a few points in a 
> band that has lots of room.  The "skip" moves around a lot, but FD QSOs are 
> short, so it could be a very productive band.  And you don't need power.. QRP 
> is often as good as QRO.
> 
> 
> 73 de Ray
> K2ULR
> KX3 #211
> 
> 
> 
> -Original Message-
> From: Wayne Burdick 
> To: Elecraft Reflector 
> Sent: Thu, Jun 22, 2017 1:11 pm
> Subject: [Elecraft] 6 meters open this morning; listening 50.095 (CW)
> 
> Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon from 
> Kansas. DXmaps.com has red all over :)At times like this it pays to jump on 6 
> meters. 
> 73,WayneN6KR__Elecraft
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Wayne Burdick]

If you have a K3, K3S, or KX3, with the built-in auto tuner, then any antenna 
is a 6 m antenna :-)

Wayne 
N6KR



http://www.elecraft.com

> On Jun 22, 2017, at 12:08 PM, Raymond Sills  wrote:
> 
> That's telling me that six meters could be a valuable band during Field Day.  
> Consider having at least a dipole antenna that can to put into service.  If 
> the E-clouds are active, participants could pick up quite a few points in a 
> band that has lots of room.  The "skip" moves around a lot, but FD QSOs are 
> short, so it could be a very productive band.  And you don't need power.. QRP 
> is often as good as QRO.
> 
> 
> 73 de Ray
> K2ULR
> KX3 #211
> 
> 
> 
> -Original Message-
> From: Wayne Burdick 
> To: Elecraft Reflector 
> Sent: Thu, Jun 22, 2017 1:11 pm
> Subject: [Elecraft] 6 meters open this morning; listening 50.095 (CW)
> 
> Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon from 
> Kansas. DXmaps.com has red all over :)At times like this it pays to jump on 6 
> meters. 
> 73,WayneN6KR__Elecraft
>  mailing listHome: http://mailman.qth.net/mailman/listinfo/elecraftHelp: 
> http://mailman.qth.net/mmfaq.htmPost: mailto:elecr...@mailman.qth.netThis 
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Re: [Elecraft] Roofing Filters

[Bob]

Hi Wayne,

Could you elaborate on "dynamic range" in crystal filters?  A quick 
search did not yield a definition.  A SWAG might be another term for ultimate 
rejection or it with ripple in the passband...


Just curious.

73,
Bob
K2TK ex KN2TKR (1956) & K2TKR


On 6/22/2017 12:54 PM, Wayne Burdick wrote:

Yes. We screen every INRAD filter. Those that don’t meet our dynamic range 
targets are rejected.

Wayne
N6KR



On Jun 22, 2017, at 9:46 AM, Vic Rosenthal  wrote:

I recall Wayne saying that Elecraft tested filters received from INRAD for some 
specific performance characteristics. I don't remember the details.

Vic 4X6GP


On 22 Jun 2017, at 17:14, Clay Autery  wrote:

INRAD makes Elecraft's filters as I understand it...

I'll be getting mine from Elecraft directly.

__
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Raymond Sills]

That's telling me that six meters could be a valuable band during Field Day.  
Consider having at least a dipole antenna that can to put into service.  If the 
E-clouds are active, participants could pick up quite a few points in a band 
that has lots of room.  The "skip" moves around a lot, but FD QSOs are short, 
so it could be a very productive band.  And you don't need power.. QRP is often 
as good as QRO.


73 de Ray
K2ULR
KX3 #211



-Original Message-
From: Wayne Burdick 
To: Elecraft Reflector 
Sent: Thu, Jun 22, 2017 1:11 pm
Subject: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon from 
Kansas. DXmaps.com has red all over :)At times like this it pays to jump on 6 
meters. 
73,WayneN6KR__Elecraft
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Re: [Elecraft] K3S, P3 and USB Audio

[Paul Wilton]

Thanks Don.  I did some more experimentation this evening and managed to get 
both functions working OK. ie CAT via Serial and audio via USB

73


Paul
M1CNK
_



> On 21 Jun 2017, at 23:10, Don Wilhelm  wrote:
> 
> Paul,
> 
> I don't know whether you can use the USB soundcard provision of the K3S while 
> using some other RS-232 port connected to the P3 and through the RJ-45 to 
> RS232 'dongle' at the same time.  But my thought is that they are separate, 
> the soundcard function is just like any external USB soundcard.
> 
> I think you *should* be able to do that, but just keep in mind which COM port 
> is connected to your USB to RS-232 adapter and which one is the one in the 
> K3S.  The USB port FTDI will likely still show up in the computer Device 
> Manager.  Note the COM port number and do not use it to connect with N1MM.
> Do not set the K3S RS-232 menu to USB, set it to 38,400 instead.
> 
> You might want to try something more simplistic than N1MM first (like K3 
> Utility) to verify that the PC to P3/K3 connection works.
> 
> Once you can verify communications with K3 Utility, then try N1MM.
> 
> 73,
> Don W3FPR
> 
> 
> 
> 
> On 6/21/2017 5:27 PM, Paul Wilton wrote:
>> I’m trying to set up a borrowed K3S plus P3 for a club contest using a 
>> laptop.  The problem I have is I don’t have the CBLP3Y cable to connect the 
>> K3S to the P3, I only have the E980297 cable that connected a K3 to a P3 
>> (the single ended RJ45 to 9 way D).
>> Question - if I connect up the K3S and P3 via serial, can I still use USB 
>> for audio?

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Re: [Elecraft] Roofing Filters

[Clay Autery]

Get what you are saying but I go by what my Dad taught me...

RE: Tools
"Son, Buy the best tool you can find for each job.  Save up if you have
to.  If you can't afford to buy the tool once, you surely can't afford
to buy it twice."

I apply that rule to tools, equipment, cabling, et al because ALL of
those things and more are merely "tools" for me to accomplish some
task.  Works for me and less expensive in the long run.

73,

__
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 6/22/2017 1:04 PM, Michael Walker wrote:
> Actually, it is just human nature to do that.  For some, every penny counts.
>
> Mike va3mw
>
> On Thu, Jun 22, 2017 at 1:56 PM, Clay Autery  wrote:
>
>> hence my earlier statement:
>>
>> "I'll be getting mine from Elecraft directly."
>>
>> Thousands of dollars in radio fear and people risk niggling problems and
>> time wasted over a few bucks...  Just simply doesn't make sense to me.
>>
>> 73,
>>
>> __
>> Clay Autery, KY5G
>>
>> On 6/22/2017 11:54 AM, Wayne Burdick wrote:
>>> Yes. We screen every INRAD filter. Those that don’t meet our dynamic
>> range targets are rejected.
>>> Wayne
>>> N6KR
>>>
>>>
 On Jun 22, 2017, at 9:46 AM, Vic Rosenthal  wrote:

 I recall Wayne saying that Elecraft tested filters received from INRAD
>> for some specific performance characteristics. I don't remember the details.
 Vic 4X6GP

> On 22 Jun 2017, at 17:14, Clay Autery  wrote:
>
> INRAD makes Elecraft's filters as I understand it...
>
> I'll be getting mine from Elecraft directly.
>
> __
> Clay Autery, KY5G
>> __
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Jim Brown]

On Thu,6/22/2017 10:09 AM, Wayne Burdick wrote:

Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon from 
Kansas. DXmaps.com has red all over:)


I heard you CQing and spotted you.

73, Jim K9YC

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Re: [Elecraft] Roofing Filters

[Michael Walker]

Actually, it is just human nature to do that.  For some, every penny counts.

Mike va3mw

On Thu, Jun 22, 2017 at 1:56 PM, Clay Autery  wrote:

> hence my earlier statement:
>
> "I'll be getting mine from Elecraft directly."
>
> Thousands of dollars in radio fear and people risk niggling problems and
> time wasted over a few bucks...  Just simply doesn't make sense to me.
>
> 73,
>
> __
> Clay Autery, KY5G
>
> On 6/22/2017 11:54 AM, Wayne Burdick wrote:
> > Yes. We screen every INRAD filter. Those that don’t meet our dynamic
> range targets are rejected.
> >
> > Wayne
> > N6KR
> >
> >
> >> On Jun 22, 2017, at 9:46 AM, Vic Rosenthal  wrote:
> >>
> >> I recall Wayne saying that Elecraft tested filters received from INRAD
> for some specific performance characteristics. I don't remember the details.
> >>
> >> Vic 4X6GP
> >>
> >>> On 22 Jun 2017, at 17:14, Clay Autery  wrote:
> >>>
> >>> INRAD makes Elecraft's filters as I understand it...
> >>>
> >>> I'll be getting mine from Elecraft directly.
> >>>
> >>> __
> >>> Clay Autery, KY5G
> __
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Ken G Kopp]

I keep a 6M GP ... actually a 2M 5/8 wave vertical ... connected to my
K3's 2nd receiver antenna input (only) and monitoring 50.125 all the time.
The 2nd receiver is worth the investment for this purpose alone, IMO.

73!

Ken Kopp - K0PP

>
>
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Re: [Elecraft] Roofing Filters

[Clay Autery]

hence my earlier statement:

"I'll be getting mine from Elecraft directly."

Thousands of dollars in radio fear and people risk niggling problems and
time wasted over a few bucks...  Just simply doesn't make sense to me.

73,

__
Clay Autery, KY5G

On 6/22/2017 11:54 AM, Wayne Burdick wrote:
> Yes. We screen every INRAD filter. Those that don’t meet our dynamic range 
> targets are rejected.
>
> Wayne
> N6KR
>
>
>> On Jun 22, 2017, at 9:46 AM, Vic Rosenthal  wrote:
>>
>> I recall Wayne saying that Elecraft tested filters received from INRAD for 
>> some specific performance characteristics. I don't remember the details.
>>
>> Vic 4X6GP 
>>
>>> On 22 Jun 2017, at 17:14, Clay Autery  wrote:
>>>
>>> INRAD makes Elecraft's filters as I understand it...
>>>
>>> I'll be getting mine from Elecraft directly.
>>>
>>> __
>>> Clay Autery, KY5G
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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[lmarion]

a small three element beam works wonders on 6M

Leroy AB7CE

-Original Message- 
From: Wayne Burdick

Sent: Thursday, June 22, 2017 11:30 AM
To: Ken Arck
Cc: Elecraft Reflector
Subject: Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

Wow! I need a better antenna

Wayne



On Jun 22, 2017, at 10:28 AM, Ken Arck  wrote:

I have 16 countries on 6 meters (and 82 on 2 meters!)

Ken


At 10:09 AM 6/22/2017, Wayne Burdick wrote:
Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon 
from Kansas. DXmaps.com has red all over :) At times like this it pays to 
jump on 6 meters. 73, Wayne N6KR




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Re: [Elecraft] K3S USB audio output needs to be adjustable in Menu

[Bob McGraw K4TAX]

See the CONFIG Menu, LIN OUT to adjust level.  Normal is 010.

73

Bob, K4TAX

K3S S/N 10163


On 6/22/2017 12:31 PM, Dick via Elecraft wrote:

Hello Elecraft,
  
When feeding the audio from the K3S USB port to the CPU, the K3S audio

level is extremely high and way too hot for good performance  on many digital
modes.
  
Example, even with my CPU's sound card set at the lowest possible level of

"01" my K3S is hitting the JT-65 software with a super strong signal that
is  much higher than the software wants to see and performance is degraded.
The same is true when operating RTTY using MMTTY or 2Tone software.
  
The USB audio output on the K3S needs to be adjustable in the K3S Menu as

it was on the K3 Serial port.
  
I wrote to you a few months ago about this without a positive  reply.

Please address this serious issue.
  
Thank you-
  
Richard Van Zandt- K9OM
  
  
  
In a message dated 6/2/2017 7:28:48 P.M. Central Daylight Time,

elecraft-requ...@mailman.qth.net writes:

If you  are using Line Out with a fixed gain setting to feed audio to
WSJT-X,  adjusting the AF control will not do anything. What I do is leave
my RF  gain control at its normal position (around 3 o'clock) and use the
slider  at the lower left in the WSJT-X window to compensate for  gain
variations.

73,
Rich VE3KI

W3FPR wrote:


  Bret,

You may have better luck with running the RF Gain full  and adjusting
with the AF gain.  That way the RX AGC will smooth  out variations in the
signal level.

73,
Don  W3FPR

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[Elecraft] K3S USB audio output needs to be adjustable in Menu

[Dick via Elecraft]

Hello Elecraft,
 
When feeding the audio from the K3S USB port to the CPU, the K3S audio  
level is extremely high and way too hot for good performance  on many digital 
modes.  
 
Example, even with my CPU's sound card set at the lowest possible level of  
"01" my K3S is hitting the JT-65 software with a super strong signal that 
is  much higher than the software wants to see and performance is degraded.   
The same is true when operating RTTY using MMTTY or 2Tone software.
 
The USB audio output on the K3S needs to be adjustable in the K3S Menu as  
it was on the K3 Serial port.
 
I wrote to you a few months ago about this without a positive  reply.  
Please address this serious issue.
 
Thank you-
 
Richard Van Zandt- K9OM
 
 
 
In a message dated 6/2/2017 7:28:48 P.M. Central Daylight Time,  
elecraft-requ...@mailman.qth.net writes:

If you  are using Line Out with a fixed gain setting to feed audio to
WSJT-X,  adjusting the AF control will not do anything. What I do is leave
my RF  gain control at its normal position (around 3 o'clock) and use the
slider  at the lower left in the WSJT-X window to compensate for  gain
variations.

73,
Rich VE3KI

W3FPR wrote:

>  Bret,
>
> You may have better luck with running the RF Gain full  and adjusting
> with the AF gain.  That way the RX AGC will smooth  out variations in the
> signal level.
>
> 73,
> Don  W3FPR

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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Wayne Burdick]

Wow! I need a better antenna

Wayne


> On Jun 22, 2017, at 10:28 AM, Ken Arck  wrote:
> 
> I have 16 countries on 6 meters (and 82 on 2 meters!)
> 
> Ken
> 
> 
> At 10:09 AM 6/22/2017, Wayne Burdick wrote:
>> Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon 
>> from Kansas. DXmaps.com has red all over :) At times like this it pays to 
>> jump on 6 meters. 73, Wayne N6KR



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Re: [Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Ken Arck]

I have 16 countries on 6 meters (and 82 on 2 meters!)

Ken


At 10:09 AM 6/22/2017, Wayne Burdick wrote:
Just had a quick QSO with K7CW in CN87, and 
I’m hearing a strong beacon from Kansas. 
DXmaps.com has red all over :) At times like 
this it pays to jump on 6 meters. 73, Wayne N6KR 
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[Elecraft] 6 meters open this morning; listening 50.095 (CW)

[Wayne Burdick]

Just had a quick QSO with K7CW in CN87, and I’m hearing a strong beacon from 
Kansas. DXmaps.com has red all over :)

At times like this it pays to jump on 6 meters. 

73,
Wayne
N6KR

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Re: [Elecraft] Roofing Filters

[Ken G Kopp]

Meaning ya get what ya pay for ... or "value added".  (:-))

73!

K0PP

On Jun 22, 2017 10:54, "Wayne Burdick"  wrote:

> Yes. We screen every INRAD filter. Those that don’t meet our dynamic range
> targets are rejected.
>
> Wayne
> N6KR
>
>
> > On Jun 22, 2017, at 9:46 AM, Vic Rosenthal  wrote:
> >
> > I recall Wayne saying that Elecraft tested filters received from INRAD
> for some specific performance characteristics. I don't remember the details.
> >
> > Vic 4X6GP
> >
> >> On 22 Jun 2017, at 17:14, Clay Autery  wrote:
> >>
> >> INRAD makes Elecraft's filters as I understand it...
> >>
> >> I'll be getting mine from Elecraft directly.
> >>
> >> __
> >> Clay Autery, KY5G
> >>
> >>> On 6/22/2017 8:10 AM, Mike Harris wrote:
> >>> Wandering the web I notice that INRAD are offering K3 Roofers somewhat
> >>> less than Elecraft prices.
> >>>
> >>> Regards,
> >>>
> >>> Mike VP8NO
> >>> __
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Re: [Elecraft] Roofing Filters

[Wayne Burdick]

Yes. We screen every INRAD filter. Those that don’t meet our dynamic range 
targets are rejected.

Wayne
N6KR


> On Jun 22, 2017, at 9:46 AM, Vic Rosenthal  wrote:
> 
> I recall Wayne saying that Elecraft tested filters received from INRAD for 
> some specific performance characteristics. I don't remember the details.
> 
> Vic 4X6GP 
> 
>> On 22 Jun 2017, at 17:14, Clay Autery  wrote:
>> 
>> INRAD makes Elecraft's filters as I understand it...
>> 
>> I'll be getting mine from Elecraft directly.
>> 
>> __
>> Clay Autery, KY5G
>> 
>>> On 6/22/2017 8:10 AM, Mike Harris wrote:
>>> Wandering the web I notice that INRAD are offering K3 Roofers somewhat
>>> less than Elecraft prices.
>>> 
>>> Regards,
>>> 
>>> Mike VP8NO
>>> __
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Re: [Elecraft] Roofing Filters

[Vic Rosenthal]

I recall Wayne saying that Elecraft tested filters received from INRAD for some 
specific performance characteristics. I don't remember the details.

Vic 4X6GP 

> On 22 Jun 2017, at 17:14, Clay Autery  wrote:
> 
> INRAD makes Elecraft's filters as I understand it...
> 
> I'll be getting mine from Elecraft directly.
> 
> __
> Clay Autery, KY5G
> 
>> On 6/22/2017 8:10 AM, Mike Harris wrote:
>> Wandering the web I notice that INRAD are offering K3 Roofers somewhat
>> less than Elecraft prices.
>> 
>> Regards,
>> 
>> Mike VP8NO
>> __
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Re: [Elecraft] Roofing Filters

[Kevin - K4VD]

An alternative thought. INRAD makes a decent product and has been around
for years. I've used their roofing filter in my FT-1000 and I think it was
in my FT-897 also(?). If I were looking to refit an existing rig, any rig,
with a roofing filter I'd give serious consideration to INRAD's offerings.

Specifications are a consideration. I'm not sure how the two products
compare in the lab. If both are very similar then I'd say thank you to
INRAD for selling at the lower price.

Don't get me wrong. I really enjoy my Elecraft. One of the best rigs I've
ever owned and definitely the best when portable. But if I want to say
thank you I'll send them a card.

73,
Kev K4VD

On Thu, Jun 22, 2017 at 11:09 AM, Raymond Sills 
wrote:

> I don't have a K3, or K3S... but if I did, I'd order from Elecraft.  After
> all, if it were not for Elecraft, Inrad would not be making them.
>
>
> Paying a bit extra to Elecraft is a way to say "thank you" for their
> wonderful products, and their outstanding customer service.
>
>
>
>
> 73 de Ray
> K2ULR
> KX3 #211
>
>
>
>
> -Original Message-
> From: Clay Autery 
> To: elecraft 
> Sent: Thu, Jun 22, 2017 10:26 am
> Subject: Re: [Elecraft] Roofing Filters
>
> INRAD makes Elecraft's filters as I understand it...
>
> I'll be getting mine from Elecraft directly.
>
> __
> Clay Autery, KY5G
>
> On 6/22/2017 8:10 AM, Mike Harris wrote:
> > Wandering the web I notice that INRAD are offering K3 Roofers somewhat
> > less than Elecraft prices.
> >
> > Regards,
> >
> > Mike VP8NO
> > __
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> > Home: http://mailman.qth.net/mailman/listinfo/elecraft
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Re: [Elecraft] Question about K2

[Don Wilhelm]

Aaron,

It is likely that the PA transistors have failed.
Pull the top cover off and measure the voltage at the BASE of either Q7 
or Q8.  During receive, it should be zero, and during transmit it should 
be in the range of 0.60 to 0.64 volts.
If it is anything other than that, remove the PA transistors - get the 
K2PAKIT from Elecraft, it has matched transistors.
Once you have the PA transistors removed, measure the voltage at the 
solder pad for the base of Q7 or Q8 during a TUNE - if it is not in the 
range of 0.60 to 0.64 volts, replace Q11 and Q13 before putting the PA 
transistors back in.


If the voltages on Q7 and Q8 look good initially, then the problem is 
something other than the PA transistors.  You will have to do Transmit 
Signal Tracing as shown in Appendix E of the K2 manual to determine the 
failing stage.  You will need the RF Probe or a 'scope with a 10X probe 
to do the signal tracing.


73,
Don W3FPR

On 6/22/2017 11:37 AM, Aaron K5ATG wrote:

I got a question about the Elecraft K2. A friend borrowed mine and he said
that he was running PSK31 and it just shut down on him and after that it
would no longer transmit. Once I got it back it seems to be working but not
transmitting. Am I correct in assuming that it is the PA transistors that
need to be replaced?
Thank you
Aaron K5ATG
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[Elecraft] Question about K2

[Aaron K5ATG]

I got a question about the Elecraft K2. A friend borrowed mine and he said
that he was running PSK31 and it just shut down on him and after that it
would no longer transmit. Once I got it back it seems to be working but not
transmitting. Am I correct in assuming that it is the PA transistors that
need to be replaced?
Thank you
Aaron K5ATG
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Re: [Elecraft] Roofing Filters

[Raymond Sills]

I don't have a K3, or K3S... but if I did, I'd order from Elecraft.  After all, 
if it were not for Elecraft, Inrad would not be making them.


Paying a bit extra to Elecraft is a way to say "thank you" for their wonderful 
products, and their outstanding customer service.




73 de Ray
K2ULR
KX3 #211




-Original Message-
From: Clay Autery 
To: elecraft 
Sent: Thu, Jun 22, 2017 10:26 am
Subject: Re: [Elecraft] Roofing Filters

INRAD makes Elecraft's filters as I understand it...

I'll be getting mine from Elecraft directly.

__
Clay Autery, KY5G

On 6/22/2017 8:10 AM, Mike Harris wrote:
> Wandering the web I notice that INRAD are offering K3 Roofers somewhat
> less than Elecraft prices.
>
> Regards,
>
> Mike VP8NO
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Re: [Elecraft] Roofing Filters

[Clay Autery]

INRAD makes Elecraft's filters as I understand it...

I'll be getting mine from Elecraft directly.

__
Clay Autery, KY5G

On 6/22/2017 8:10 AM, Mike Harris wrote:
> Wandering the web I notice that INRAD are offering K3 Roofers somewhat
> less than Elecraft prices.
>
> Regards,
>
> Mike VP8NO
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[Elecraft] Roofing Filters

[Mike Harris]

Wandering the web I notice that INRAD are offering K3 Roofers somewhat 
less than Elecraft prices.


Regards,

Mike VP8NO
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