date:20120518

Re: [Elecraft] P3 cursors

2012-05-18 Thread Stewart

Yes, the P3 markers are good for measuring the frequency difference between two
signals.

If as well that difference (delta) could be shown textually on the P3 it would 
be even better.

Can't be that difficult to do. How about it Elecraft ?

73
Stewart G3RXQ
On Thu, 17 May 2012 16:30:22 -0400, Bill Conkling wrote:
 Well, the markers are very handy for measuring the difference between two
 signals on the display.  I have also found them handy for marking the
 boundaries of a range of frequencies, like if a dx station is working 5 to
 10 UP, I can mark the range with the markers and then look for the pileup in
 the range.  Keeps me from wandering too far away and getting into other
 conversations.

 And, of course, if you set marker A to a signal up the band, and press the
 knob on the P3, it will QSY to K3 to that frequency.  Marker B does the same
 for VFO B or the SUB.

 As you get used to the P3, you'll find more and more uses for it.  I feel
 absolutely blind without it now.

 ...bill  nr4c.

 -Original Message-
 From: Ralph Parker [mailto:ve...@dccnet.com]
 Sent: Thursday, May 17, 2012 3:28 PM
 To: Elecraft@mailman.qth.net
 Subject: [Elecraft] P3 cursors

 I'm still getting used to my new P3. The original P3 firmware had the baud
 rate bug, and when I changed to 01.16, all was well (K3 f/w 4.50).
 I then loaded K3 f/w 4.51 for better AGC - and here's the confusion:

 Under 4.50, I coulda' sworned that the P3 cursor for VFO B (violet) was
 only displayed when the SUB rcvr was on (good, avoids clutter), but now
 (4.51) it is displayed continuously. Am I mistaken? Have I pushed some
 hidden button?(it's possible) I do find it distracting.

 Incidentally, it seems that I prefer to leave the P3 in fixed-tune mode.
 In tracking mode, the VFO B cursor chases itself up and down the band.

 Unfortunately, I've given my borrowed KE7X book back to its rightful owner,
 so I have to ask you guys. (OK, OK, I'll get my own copy!)

 One other thing - what do you guys do with MKRA and MKRB?
 I can't seem to find a practical use for that feature.

 Ralph, VE7XF

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[Elecraft] For those at Dayton...

2012-05-18 Thread Bob

Hi,

Can those that are not able to attend and get to the Elecraft booth get 
some information from those lucky enough to be in attendance?

 A narrative from those there could be of interest to those of us at 
home.   Anything new?  Are they displaying and taking KAT500 orders?  Any 
updates on KX3 options and status?

 Inquiring Elecrafter's want to know

 In Advance, TNX!

73,
Bob
K2TK   ex KN2TKR  (1956)  K2TKR

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[Elecraft] K3 back from Elecraft

2012-05-18 Thread Paul VanOveren

My K3, # 758 just arrived in Michigan from Aptos with the new 2nd receiver,DVR, 
250HZ CW filters, upgraded DSP board and a P3 kit also. Now just have to wait 
for the UPS truck to come up the driveway. Today will be a fun time at my 
house...can’t wait to get the station put back together today...

NF8J
Paul 
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[Elecraft] K3 - RX audio degradation with ANF

2012-05-18 Thread Bill

I am reposting this question, as I received no responses the first time:

I generally only use the ANF when it is needed. I do not run it all the
time. The reason I do not run the ANF all the time is a slight
degradation of the quality of the SSB received audio when it is engaged.
Although it does not interfere with the intelligibility of the audio -
it does introduce a fuzzy aspect to otherwise armchair copy.

Of note: On my Kenwood TS-480, I leave the ANF (Beat Cancel in Kenwood
speak) on at all times. It does its job as well as the K3 - and is
without the degradation factor.

Any suggestions regarding the use of the ANF that I would benefit from?

Thanks,

Bill W2BLC

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Re: [Elecraft] K3 - RX audio degradation with ANF

2012-05-18 Thread Don Wilhelm

Bill,

Please enlighten me - I have searched through the K3 manual, and do not 
find anything labeled ANF
If you would please give whatever you are trying to run the same label 
used in the K3 manual perhaps we can provide some answer.

73,
Don W3FPR

On 5/18/2012 7:52 AM, Bill wrote:
 I am reposting this question, as I received no responses the first time:

 I generally only use the ANF when it is needed. I do not run it all the
 time. The reason I do not run the ANF all the time is a slight
 degradation of the quality of the SSB received audio when it is engaged.
 Although it does not interfere with the intelligibility of the audio -
 it does introduce a fuzzy aspect to otherwise armchair copy.


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Re: [Elecraft] K3 - RX audio degradation with ANF

2012-05-18 Thread Arthur Burke

My reaction was the same - I think he's referring to Automatic Notch Filter.

Art - N4PJ



On Fri, May 18, 2012 at 8:12 AM, Don Wilhelm w3...@embarqmail.com wrote:

 Bill,

 Please enlighten me - I have searched through the K3 manual, and do not
 find anything labeled ANF
 If you would please give whatever you are trying to run the same label
 used in the K3 manual perhaps we can provide some answer.

 73,
 Don W3FPR

 On 5/18/2012 7:52 AM, Bill wrote:
  I am reposting this question, as I received no responses the first time:
 
  I generally only use the ANF when it is needed. I do not run it all the
  time. The reason I do not run the ANF all the time is a slight
  degradation of the quality of the SSB received audio when it is engaged.
  Although it does not interfere with the intelligibility of the audio -
  it does introduce a fuzzy aspect to otherwise armchair copy.
 
 
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Re: [Elecraft] K3 - RX audio degradation with ANF

2012-05-18 Thread Bill

That would be the button labeled as NTCH.  It is described on page 25 of 
the owner's manual as Auto Notch.

Bill W2BLC
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Re: [Elecraft] K3 - RX audio degradation with ANF

2012-05-18 Thread Gary Gregory

*Don,

your not alone but I guessed it was Auto-Notch Filter..:-)

Bill is correct though, there is distortion when I have AGC=12 and SLP=2
but if I go to AGC=8 it appears to be almost gone.

Not sure why this is?

73's
Gary
*
On 18 May 2012 22:12, Don Wilhelm w3...@embarqmail.com wrote:

 Bill,

 Please enlighten me - I have searched through the K3 manual, and do not
 find anything labeled ANF
 If you would please give whatever you are trying to run the same label
 used in the K3 manual perhaps we can provide some answer.

 73,
 Don W3FPR

 On 5/18/2012 7:52 AM, Bill wrote:
  I am reposting this question, as I received no responses the first time:
 
  I generally only use the ANF when it is needed. I do not run it all the
  time. The reason I do not run the ANF all the time is a slight
  degradation of the quality of the SSB received audio when it is engaged.
  Although it does not interfere with the intelligibility of the audio -
  it does introduce a fuzzy aspect to otherwise armchair copy.
 
 
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-- 
Gary
VK4FD - Motorhome Mobile
Elecraft Equipment
K3 #679, KPA-500 #018
Living the dream!!!
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[Elecraft] K3 - RX audio degradation with ANF

2012-05-18 Thread Toby Pennington

The Auto Notch of the K3 is outside the AGC loop and therefor will notch the 
carrier NOTE but NOT the carrier.  Many foreign rigs have the Auto Notch inside 
the AGC loop and this results in optimal operation with no distortion.  

This may have something to do with down conversion receivers such as the K3,  
and I think there have been discussions on this which you can bring up from the 
list archives. 

In my opinion this is the one weakness of the K3. 

Now,  with the new AGC threshold I do not get the distortion as before,  as the 
Auto Notch is not nearly as aggressive.  I do not hear distortion with the 
notch on at this time.  The Auto Notch is a bit slower to engage but the 
landing is much softer in as far as distortion,  or the hollow sounding audio 
which was the case before MCU 4.51.

I used to own an Icom 7800 and 7700.  Icoms Auto Notch is superb but is inside 
the AGC loop.  I noticed both Ten Tec and Elecraft place the Notch outside the 
AGC circuit--there must be a good reason for it but not sure what it is. 

Toby  W4CAK

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[Elecraft] P3 SVGA reset and frame freeze, anyone else?

2012-05-18 Thread Bill Hammond

I have been experiencing frequent display resets and frame freezing on my P3 
with SVGA adapter.  I am running the latest firmware (1.16) loaded with the new 
utility.  Have I just got a bad example or are others experiencing these 
issues?  It all started with the addition of the SVGA option.
The PS screen  does a momentary flash and the SVGA screen looses all the 
waterfall.  The freeze stops the curser on the P3 for a few seconds while I 
change frequency with the main (A) VFO.  The curser eventually catches up with 
a jump.  It is a bit unnerving in the latest pile-ups for Yemen and Somalia.  
:)  

Bill Hammond
wham...@aol.com
Bill Hammond-AK5X
a...@mac.com
a...@sbcglobal.net
K3 #69
P3 #817
KPA500 # 149
K2/100 #4637
K1 #2033
KX1 #1023
T1

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Re: [Elecraft] K3 - RX audio degradation with ANF

2012-05-18 Thread Tim Tucker

ANF is the common use abbreviation for Auto Notch Filter.  A lot of rigs
use that nomenclature.

The K3's ANF on SSB has not worked correctly IMO for several firmware
releases.  Someone posted a fix a while back that involved resetting back
to factory settings, rolling back to a previous firmware, reloading all
your settings and then loading the current firmware.  That's a lot of work
and I was hoping a more elegant fix could be implemented in a firmware
update.

In my experience, the issue isn't so much extreme distortion on the signal,
it's that it doesn't notch the offending signal properly.  To reproduce,
watch your RX signal with a strong carrier on a waterfall with a computer
application like MixW.  Turn on the ANF and you'll see that the K3 notches
on either side of the offending carrier, but not actually right on the
carrier.  If you have good ears, you can hear this yourself.  The manual
notch works fine, of course.

I haven't tried the latest beta firmware, so I don't know if this issue has
been addressed yet.  It needs to be addressed, though.

Tim

On Fri, May 18, 2012 at 5:35 AM, Gary Gregory garyvk...@gmail.com wrote:

 *Don,

 your not alone but I guessed it was Auto-Notch Filter..:-)


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Re: [Elecraft] P3 SVGA reset and frame freeze, anyone else?

2012-05-18 Thread Paul Saffren N6HZ

Hi Bill,

There is a known P3/SVGA slowdown around 150 KHz span width. You mention
that you are using 1.16 firmware in the P3, what is the firmware version of
the SVGA? (there are two separate pieces of firmware needed). You may
need to upgrade your P3 utility to the latest revision (1.12.4.26) which is
available at http://www.elecraft.com/software/P3/elecraft_p3_software.htm

If you're still having trouble, please email me directly, my email address
is pauls at elecraft.com and include your phone number and a good time to
call.

73,

Paul

Bill Hammond wrote

I have been experiencing frequent display resets and frame freezing on my
P3 with SVGA adapter. I am running the latest firmware (1.16) loaded with
the new utility. Have I just got a bad example or are others experiencing
these issues? It all started with the addition of the SVGA option.
The PS screen does a momentary flash and the SVGA screen looses all the
waterfall. The freeze stops the curser on the P3 for a few seconds while
I change frequency with the main (A) VFO. The curser eventually catches
up with a jump. It is a bit unnerving in the latest pile-ups for Yemen
and Somalia. :)

Bill Hammond
wham727@
Bill Hammond-AK5X
ak5x@
ak5x@
K3 #69
P3 #817
KPA500 # 149
K2/100 #4637
K1 #2033
KX1 #1023
T1

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--
View this message in context:
http://elecraft.365791.n2.nabble.com/P3-SVGA-reset-and-frame-freeze-anyone-else-tp7556017p7556018.html
Sent from the Elecraft mailing list archive at Nabble.com.
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Re: [Elecraft] P3 SVGA reset and frame freeze, anyone else?

2012-05-18 Thread Alan Bloom

There currently is an issue where the display update gets sluggish when
the span is set near 150 kHz.  Could that be it?

Alan N1AL


On Fri, 2012-05-18 at 09:01 -0500, Bill Hammond wrote:
 I have been experiencing frequent display resets and frame freezing on
 my P3 with SVGA adapter.  I am running the latest firmware (1.16)
 loaded with the new utility.  Have I just got a bad example or are
 others experiencing these issues?  It all started with the addition of
 the SVGA option.
 The PS screen  does a momentary flash and the SVGA screen looses all
 the waterfall.  The freeze stops the curser on the P3 for a few
 seconds while I change frequency with the main (A) VFO.  The curser
 eventually catches up with a jump.  It is a bit unnerving in the
 latest pile-ups for Yemen and Somalia.  :)  
 
 Bill Hammond
 wham...@aol.com
 Bill Hammond-AK5X
 a...@mac.com
 a...@sbcglobal.net
 K3 #69
 P3 #817
 KPA500 # 149
 K2/100 #4637
 K1 #2033
 KX1 #1023
 T1
 
 

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Re: [Elecraft] K3 - RX audio degradation with ANF

2012-05-18 Thread Ron D'Eau Claire

That's the trouble with acronyms - they inhibit the flow of information (or
should I have said they IFI? :-)

73, Ron AC7AC

-Original Message-

ANF is the common use abbreviation for Auto Notch Filter.  A lot of rigs use
that nomenclature...


Tim

On Fri, May 18, 2012 at 5:35 AM, Gary Gregory garyvk...@gmail.com wrote:

 *Don,

 your not alone but I guessed it was Auto-Notch Filter..:-)



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Re: [Elecraft] P3 SVGA reset and frame freeze, anyone else?

2012-05-18 Thread John Ragle

My P3/K3/100 is on abt 24/7 ... I have observed no such behavior.

John Ragle -- W1ZI

On 5/18/2012 10:01 AM, Bill Hammond wrote:
 I have been experiencing frequent display resets and frame freezing on my P3 
 with SVGA adapter.  I am running the latest firmware (1.16) loaded with the 
 new utility.  Have I just got a bad example or are others experiencing these 
 issues?  It all started with the addition of the SVGA option.
 The PS screen  does a momentary flash and the SVGA screen looses all the 
 waterfall.  The freeze stops the curser on the P3 for a few seconds while I 
 change frequency with the main (A) VFO.  The curser eventually catches up 
 with a jump.

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[Elecraft] (no subject)

2012-05-18 Thread Josef Schmitt


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Re: [Elecraft] K3 - RX audio degradation with ANF

2012-05-18 Thread Bill K9YEQ

Tim,

I use the ANF regularly on 75 meters to block heterodynes and have no
issues or distortion and it works extremely well. 

I use AGC settings:

Nor decay
.30 HLDA
Nor PLS
004 SLP
007 THR
030 S

I use  2.8 8 pole filter and on occasion a 1.8 8 pole filter.  I have my PRE
amp off and ATT on, generally as the noise floor is around 1-2 S units using
my ~ 350' horizontal loop.  My inverted V Double Bazooka has a slightly
higher noise floor.  Again, I see no issues and am using the latest
firmware.  The notch removes the offending notch, but not the signal itself,
of course.  I also have a P3.  I think the Notch is working very well as
currently designed.

73,
Bill
K9YEQ


-Original Message-
From: elecraft-boun...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Tim Tucker
Sent: Friday, May 18, 2012 10:57 AM
To: Elecraft Reflector
Subject: Re: [Elecraft] K3 - RX audio degradation with ANF

ANF is the common use abbreviation for Auto Notch Filter.  A lot of rigs use
that nomenclature.

The K3's ANF on SSB has not worked correctly IMO for several firmware
releases.  Someone posted a fix a while back that involved resetting back to
factory settings, rolling back to a previous firmware, reloading all your
settings and then loading the current firmware.  That's a lot of work and I
was hoping a more elegant fix could be implemented in a firmware update.

In my experience, the issue isn't so much extreme distortion on the signal,
it's that it doesn't notch the offending signal properly.  To reproduce,
watch your RX signal with a strong carrier on a waterfall with a computer
application like MixW.  Turn on the ANF and you'll see that the K3 notches
on either side of the offending carrier, but not actually right on the
carrier.  If you have good ears, you can hear this yourself.  The manual
notch works fine, of course.

I haven't tried the latest beta firmware, so I don't know if this issue has
been addressed yet.  It needs to be addressed, though.

Tim

On Fri, May 18, 2012 at 5:35 AM, Gary Gregory garyvk...@gmail.com wrote:

 *Don,

 your not alone but I guessed it was Auto-Notch Filter..:-)


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[Elecraft] Wanted: Yamaha CM500 power supply

2012-05-18 Thread Eric Rosenberg

Does anyone have an extra CM500 headset power suppl they're willing to part
with.

If so, please email me directly: W3DQ @ ARRL.Net

Thanks!

Eric W3DQ
Washington, DC
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