Re: [Elecraft] Property with 3.11 an error

2009-04-28 Thread dj7mgq
Hallo,

 dg...@gmx.de wrote:
 Property only times 2,78 functions changed there everything. The   
 following error does not have I with me if I 3,11 has cannot I on   
 the 12m volume any more send it comes error message ERR PL1


Bitte nochmals auf Deutsch posten. Ich werde dein E-Mail dann  
übersetzen, damit es auf Englisch verständlich ist.

Please post again in German. I'll translate it...

Danke es vy 73 de toby
--
DD5FZ


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Re: [Elecraft] oh no, another crazy audio idea from Holland

2009-04-28 Thread pd0psb

Hi Leigh,

Doesn't the K3's roofing do the job in PSK?
I would think that,with the smallest roofing filter, the AGC would track
very narrowband signals perfectly..

My thought is that especially in wider modes,where you have a mix of
wanted/non-wanted signals, to let the AGC focus on the wanted signal and
prevent it from overreacting to unwanted signals by pre-EQ ing the the AGC
detector.

I aware though that dynamics processing in audio is an artform as such.
Frequency-dependent (or multiband) dynamics processing multiplies all
variables so is an even higher art :-)

But it is capable of very well controlled results with a minimum of
artifacts!

73'
Paul
PD0PSB







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Re: [Elecraft] K3 NB/NR Noise Blanker/ Noise reduction

2009-04-28 Thread Deni
Yes you're right Steve!

After reading your comments below,  I have now set my AGC THR high and
SLP low, this REALLY does improve the NR function on both CW and SSB.
(previously I had my AGC settings more or less at default values)
Maybe others may wish to try this.

Thanks.

73, Deni
F5VJC

Steve Ellington wrote:
 This is amazingWe have some who complain about NR increasing the 
 audio and some complaining about it reducing audio!
 I think the K3's NR is the best I've seen thus far. Contrary to some 
 experts opinion, it works great with narrow cw filters and not only 
 reduces noise but Peaks the CW signals. Someone said it makes CW 
 mushy. I say it does just exactly the opposite. It sharpens the AF 
 response and enhances CW, especially weak signals that are down at the 
 noise floor.
 Have had a lot of rigs, the IC-7800's NR is pretty good too. The PRO 
 series NR is terrible. Keep in mind I'm talking about CW here. Keep that 
 AGC threshold up high and the SLP lowIt makes the NR really bring up 
 those CW signals nice and LOUD like they should be.
 N4LQ
 Steve Ellington
 n...@carolina.rr.com

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Re: [Elecraft] NB/NR Noise Blanker/ Noise reduction

2009-04-28 Thread GW0ETF

If I look at the audio response in Spectrogram while feeding in a noise
source at the antenna the trace shows definite nulls when NR is switched in.
In SSB at max width (2.7kHz) the number of nulls vary with the settings as
follows:
F1-# 9
F2-# 7
F3-# 4
F4-# 3

As # is increased from 1 to 4 at each F setting the depth of the nulls
decreases and it's almost flat at #4. However RF gain and AGC slope settings
drastically affect the depth of these nulls but at maximum the nulls are
about -30db which would presumably affect the 'loudness' of a signal if it
happened to fall in one of the holes? I don't have time at the moment to
investigate further how the AGC settings affect the nulls but backing off
the RF gain definitely flattens the response.

According to Lyle back in 2007 the F parameter indicated the number of taps
(?) in the adaptive filter and the second number the amount of signal 'bleed
through' to reduce distortion effects. I'm not sure my limited knowledge of
dsp and filters ties this in with what I see in Spectrogram.

Having said this I must admit I tend to use filtering in preference to NR
even though I seem to be able to get NR to work pretty well.

73,

Stewart Rolfe, GW0ETF


Steve Ellington wrote:
 
 This is amazingWe have some who complain about NR increasing the audio 
 and some complaining about it reducing audio!
 
 

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Re: [Elecraft] [K3] K3 RX audio on voice modes oh no here we go again

2009-04-28 Thread pd0psb

For whose's interested:
http://en.wikipedia.org/wiki/Colors_of_noise


What about:
TECH MD  NSE CHR (rx noise character)  WHT (white) // PNK (pink) ?  ;-)

73'
Paul
PD0PSB






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Re: [Elecraft] oh no, another crazy audio idea from Holland

2009-04-28 Thread Geoffrey Mackenzie-Kennedy
Hi Paul,

How well your idea performs in practice would, I suggest, depend on the 
strength of the wanted and unwanted signals of course, but also on the *in 
passband* and skirt region IMD behaviour of the roofer(s), and all 'stages' 
that follow vs.applied AGC. Any IMD 'weakness' in this area would result in 
a compromise.

73,
Geoff
GM4ESD


Paul, PD0PSB wrote on Tuesday, April 28, 2009, at 8:16 AM

 My thought is that especially in wider modes,where you have a mix of
 wanted/non-wanted signals, to let the AGC focus on the wanted signal and
 prevent it from overreacting to unwanted signals by pre-EQ ing the the 
 AGC
 detector.


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Re: [Elecraft] oh no, another crazy audio idea from Holland

2009-04-28 Thread Brendan Minish
On Tue, 2009-04-28 at 00:16 -0700, pd0psb wrote:

 
 I aware though that dynamics processing in audio is an artform as such.
 Frequency-dependent (or multiband) dynamics processing multiplies all
 variables so is an even higher art :-)
 
 But it is capable of very well controlled results with a minimum of
 artifacts!

In the pro Audio world compression is a different game to the AGC in a
receiver.
In music we are controlling dynamic range over a few dB only, even over
this limited range it's arguable that this results in 'minimum
artefacts' but then most of my work in pro audio was spent working with
Acoustic Music with an inherent large dynamic range, even small ( a few
dB on transients etc) can alter the overall colour of a recording in
unacceptable ways, This is one of the reasons that I used to go to a
very good mastering engineer in a separate mastering studio when we
needed to muck about with the overall Dynamic range of a good acoustic
recording .

In Rock/pop and in broadcast radio the effects of multi-band compression
are easy to hear and often not very pleasant at all to listen to
although they have long been part of the overall 'sound'  


The K3 has an excellent AGC, if you wish to weight it towards the lower
(af) frequency then try AGC SFT (Soft) in the new firmware and set some
slope. AGH HLD is also a great feature, RACAL used an AGC system like
this on the RA-3720 and it's wonderful to see the same AGC feature in
the K3.
Experiment with the release speed and threshold too.
transient reject is already in there and has been for a long time (AGC
PLS = NOR) the K3 ran rings around my Icom 7800 in this regard, the only
thing I miss about the 7800 is all the money I lost in deprecation
whilst I owned it.


Multi (audio) band AGC belongs in outboard gear if this is something you
really feel will add to your enjoyment of the radio

Multi-band compression (IF DONE RIGHT..) may further improve the average
power in SSB whilst maintaining intelligibility, However most of the
Multiband processed audio I hear on the HF bands is too wide (lots of LF
energy complete with the in-band IMD it can cause) or over-done, enough
fidelity is lost that it actually degrades the ability to copy the
station on a noisy band. 

73
Brendan EI6IZ
-- 
Don‘t complain. Nobody will understand. Or care. And certainly don‘t try
to fix the situation yourself. It‘s dangerous. Leave it to a highly
untrained, unqualified, expendable professional.

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[Elecraft] K3 Noise Reduction

2009-04-28 Thread Roy Morris
As far as I am concerned the benchmark for good SSB noise reduction can be 
found in the Ten-Tec Omni VII.  It does not call itself a signal enhancer.  It 
is not a signal enhancer.  It reduces (almost eliminates) the QRN and makes the 
signal pleasant to listen to without a whole lot of sharp artifacts.  I sold my 
Omni VII..big mistake!  Once you have heard good noise reduction you will agree 
the K3 noise reduction could be substantially improved.  The K3 is just too 
good to let this feature turn off so many people.  Roy Morris  W4WFB
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Re: [Elecraft] K3 NB/NR Noise Blanker/ Noise reduction

2009-04-28 Thread Deni
Hello Gordan, well my AGC settings are now THR 008 and SLP 000

I'm not saying this is best or optimum but it certainly improves the
action of NR.
I'm still experimenting, but found ( thanks to Steve), that the default
AGC values for me gave ineffective NR.

Be aware that you may find strong signals could be too loud with these
AGC settings.
I use my RF gain control,  and usually it's between 11 and 1 .

73, Deni
F5VJC

Gordan Hribar wrote:
  Hello Deni!
 
  Please could you repeat again this AGC settings?
 
  73,
  E72X, Gordan,
 
  --- On *Tue, 4/28/09, Deni /foxfive@gmail.com/* wrote:
 
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Re: [Elecraft] [K3] K3 RX audio on voice modes oh no here we go again

2009-04-28 Thread Geoffrey Downs
Thank you Paul - the Wiki entry was new to me and very interesting. It 
demonstrated well to a non-expert such as myself the less aggressive nature 
of pink noise compared with white. The red/brown noise sounded even better 
to my ears but maybe its spectrum is not as suitable for voice 
communication. Anyone care to comment?

73 to all

Geoff
G3UCK

- Original Message - 
From: pd0psb p.s.bijp...@gmail.com



 For whose's interested:
 http://en.wikipedia.org/wiki/Colors_of_noise


 What about:
 TECH MD  NSE CHR (rx noise character)  WHT (white) // PNK (pink) ? 
 ;-)

 73'
 Paul
 PD0PSB

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Re: [Elecraft] oh no, another crazy audio idea from Holland

2009-04-28 Thread pd0psb

Hi Brendan,

Thanks for you reply!

If you think, my idea is to bring an audiostudio into an HF tranceiver,
that's not at all what I would like.
I quite dislike all the bass heavy overprocessed signals on the band.
My thought's are only what ifs for best SSB reception..

Great SSB receivers from the past I think stood out for:
-excellent RF capabilties (K3 status : done cum laude)
-the most pleasant/natural audio curve to listen to (K3 status: ...well...)
-the most unnoticable AGC action (K3 status: almost all the way there)

I just wonder if  slightly desensing the AGC for frequencies in the 1-3KHz
audio range in voice mode may help to add that last bit of rest.

73'
Paul
PD0PSB


Multi (audio) band AGC belongs in outboard gear if this is something you
really feel will add to your enjoyment of the radio

Multi-band compression (IF DONE RIGHT..) may further improve the average
power in SSB whilst maintaining intelligibility, However most of the
Multiband processed audio I hear on the HF bands is too wide (lots of LF
energy complete with the in-band IMD it can cause) or over-done, enough
fidelity is lost that it actually degrades the ability to copy the
station on a noisy band. 

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Re: [Elecraft] [K3] K3 RX audio on voice modes oh no here we go again

2009-04-28 Thread pd0psb

Geoff,

Pink tends to sound most flat to our ears.
That's why it's widely used to calibrate audio equipment.

Red/brown may sound nice as well, but are relatively dark

Funny thing about white is that it keeps that agressive nature in a
restricted bandwidth, because the high flank will grab the most attention of
our ears. I think that may be a reason to cause ear fatigue in the long run.

In analog DIY radio's I've allways tried to maintain a pinkish character
with a gentle low slope and a steep high.

73'
Paul
PD0PSB










Geoffrey Downs-2 wrote:
 
 Thank you Paul - the Wiki entry was new to me and very interesting. It 
 demonstrated well to a non-expert such as myself the less aggressive
 nature 
 of pink noise compared with white. The red/brown noise sounded even better 
 to my ears but maybe its spectrum is not as suitable for voice 
 communication. Anyone care to comment?
 
 73 to all
 
 Geoff
 G3UCK
 
 - Original Message - 
 From: pd0psb p.s.bijp...@gmail.com
 
 

 For whose's interested:
 http://en.wikipedia.org/wiki/Colors_of_noise


 What about:
 TECH MD  NSE CHR (rx noise character)  WHT (white) // PNK (pink) ? 
 ;-)

 73'
 Paul
 PD0PSB
 
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Re: [Elecraft] oh no, another crazy audio idea from Holland

2009-04-28 Thread Barry N1EU


pd0psb wrote:
 
 Great SSB receivers from the past I think stood out for:
 -the most unnoticable AGC action (K3 status: almost all the way there)
 

If you really want great sounding ssb, turn off the AGC, turn on the AF
Limiter and throttle RF/AF gain.

73,
Barry N1EU

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[Elecraft] F.S. Elecraft MH2 mike

2009-04-28 Thread Joe W2KJ
Howdy Gang:

I have for sale a like-new Elecraft MH2 hand mike.

This mike was used only a couple of times to check iout on my KD1JV
MMR-40 SSB rig.

It can also be used with the Elecraft K3.

Will ship for $55.

73, Joe W2KJ
I QRP, therefore I am 

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Re: [Elecraft] [K3] K3 RX audio on voice modes oh no here we go again

2009-04-28 Thread Ron D'Eau Claire
It's important to note that the spectrum of the noise each of us hears is
*not* the spectrum presented by the source. 

Everything we hear is filtered by our ears. In the past youngster's ears
were considered rather 'flat' from perhaps 20 Hz up to above 16 kHz. 

That changes as we get older and experience loud noises. Typically we
develop holes in our hearing where we cannot hear anything at specific
frequencies. Also, our overall frequency response is damaged. The nerve
attachments in our ears for the higher frequencies seem to be the most
delicate and are the first damaged by repeatedly hearing loud sounds. Even
so, the overdone thudding base of many sound systems can destroy sensitivity
in the low registers too.  

That's why people today, even young people in their teens, typically have
hearing no better than those of a octogenarian of half a century ago. A
desire for loud music has created what experts in the USA call a generation
of functionally deaf people.

My hearing is full of holes punctuated by chronic ringing (tinnitus) and
my upper register is gone, thanks to long-term exposure to firearms and
explosives in the Army. As a result, I like a lot of high frequency emphasis
because it provides the most natural sounding audio after it passes through
*my* banged-up ears.

It's no wonder there are as many opinions about the sound of a rig as
there are people listening...

Ron AC7AC

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Re: [Elecraft] F. S. MH2 mike

2009-04-28 Thread Joe W2KJ
The MH2 mike offered for sale earlier has been spoken for...many thanks.

73, Joe W2KJ
I QRP, therefore I am
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Re: [Elecraft] oh no, another crazy audio idea from Holland

2009-04-28 Thread Wes Stewart

I'm sorry, but IMHO, if you have to do this, you don't have a well-designed 
receiver.

As far as I'm concerned, these super-duper DSP radios should be smarter than I 
am and they should know when to switch the preamp in or out, when to switch the 
attenuator in or out and how to proportion the AGC between hardware and DSP for 
best IMD performance and so that SNR is maintained.

Arguably the best sounding SSB (and for a DSP radio, AM) receiver around in the 
one in the TS 870.  I *never* fiddle with the RF gain on mine, the AGC works 
dandy and I can listen to it for hours (phones on) without fatigue.

Wes Stewart, N7WS


 If you really want great sounding ssb, turn off the AGC,
 turn on the AF
 Limiter and throttle RF/AF gain.
 
 73,
 Barry N1EU


  
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[Elecraft] F.S. Elecraft MH2 mike

2009-04-28 Thread Fern
I have a new MH-2 hand mic which I purchased with my K3 but other than try 
it out, I put it back in packaging as I decided to use a dynamic hand mic 
instead. Asking $50 US plus postage.  73 from Fern


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Re: [Elecraft] [K3] K3 RX audio on voice modes oh no here we go again

2009-04-28 Thread pd0psb

All true Ron!

Fact remains that by law of physics / psycho-acoustics pink is perceived
by average human ears as flat.
Therfore (I think) it would be nice to start off with a flat noise
character, and adjust that per individual by the RX EQ.

You will also notice that the range of the EQ by ear will become larger if
it's fed with pink.
So it will still be possible to counter-adjust your personal curve.

73'
Paul
PD0PSB



It's important to note that the spectrum of the noise each of us hears is
*not* the spectrum presented by the source. 

Everything we hear is filtered by our ears. In the past youngster's ears
were considered rather 'flat' from perhaps 20 Hz up to above 16 kHz. 

It's no wonder there are as many opinions about the sound of a rig as
there are people listening...

Ron AC7AC

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[Elecraft] K3 firmware and AGC question

2009-04-28 Thread Allan Taylor
I recently had my K3 (S/N 740) updated at the factory with the 2nd
receiver and other relevant mods. It has firmware 2.78 installed and
the rig was received back from Aptos about two weeks ago. Since
receiving it, I have noticed that the Audio gain needs to be cranked
up more than before. The rig never had gobs of rx audio, but I am
finding it at 2 or 3 o'clock most of the time. I was on 30m with the
bandwidth set to about 1.0 kHz and using NR. As a test, I shut down
the AGC and it seems to have plenty of rx audio then (but of course NO
protection...). Turn on NR substantially drops rx audio including
signals...
Even without NR, it seems a bit weak.  I am not a young buck and
hearing is somewhat addled, but no hearing aids yet!

Has anyone noticed changes in rx audio with either installation of the
2nd rx or somewhat updated firmware? If I upgrade to the
latest and greatest (3.11??) what should the AGC settings be for
general use? I know there were lengthy discussions here regarding AGC
parameters, but didn't pay much attention when they came by. Is there
a summary page/wiki somewhere??

-- 
73 AllanK7GT
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Re: [Elecraft] oh no, another crazy audio idea from Holland

2009-04-28 Thread pd0psb

True Barry!

That's the most natural sound, but not very practical in a 80dB difference
per signal contest situation ;-)
You'll get a beep in your ear that won't be auto-notchable HI.

73'
Paul
PD0PSB




If you really want great sounding ssb, turn off the AGC, turn on the AF
Limiter and throttle RF/AF gain.

73,
Barry N1EU



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[Elecraft] NR

2009-04-28 Thread Mike
Elecrafters,  Very interesting the varied experiences with the K3 NR.  All I 
can say is that in the past season (Sept.-March) I have worked 192 countries on 
80m.  This is a good testament to the NR effectiveness on qrn/qrm/etc.  I very 
seldom use the K3 with the NR off.  On the other hand, the recent comment on 
the great effectiveness of the OMNI VII NR is confusing to me.  My OMNI VII has 
the least effective NR I have experienced thusfar.  The best NR I have had in 
the past was on an OMNI VI+.  All depends on the operators ear/preferences/ and 
perhaps quirks of individual radios. 

I got the K3 especially for low band DXing as that is my favorite passtime.

73 and K3success to all,Mike K5NU
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Re: [Elecraft] [K3] K3 RX audio on voice modes oh no here we goagain

2009-04-28 Thread Steve Ellington
One thing I look for is audio stage hiss. Disconnect the antenna, turn down 
the AF gain to minimum and listen using hi-fi headphones. You should not 
hear anything. The K3 is dead silent. The FT-7000 has some hiss. I use a 
headphone attenuator on the FT-7000 to drop the hiss out of my hearing 
range.
Next, with the antenna still disconnected, turn down the RF/IF gain to 
minimum and increase the AF gain. The K3 is silent. Most Yaesu's, FT-1K 
series, tend to have a milky hiss coming from the last IF stage. Changing 
the RF gain has no effect. I had an FT-1Kmp and that IF stage hiss drove me 
to sell it quickly. There is a mod that reduces the gain of that IF stage 
but that seems like a poor solution.
With the ant. still disconnected,  turn up the RF gain. Most receivers will 
present some noise. This is generated by the RF amplifier. The K3 will 
provide plenty of this. Turn on the pre-amp. Now you'll really hear some 
noise. I believe the quietest overall I've seen for this test is the 
IC-7800. That thing is really quiet.
In the end, being able to hear weak signals is what matters but hearing them 
with no noise generated by the radio makes it even better.
Steve Ellington
n...@carolina.rr.com
- Original Message - 
From: Dave Hachadorian k...@arrl.net
To: Elecraft reflector elecraft@mailman.qth.net
Sent: Tuesday, April 28, 2009 10:08 AM
Subject: Re: [Elecraft] [K3] K3 RX audio on voice modes oh no here we 
goagain


I have a friend who is considering buying a K3, and last
 Saturday I brought one of my K3's over to his house to
 compare with his FT-1000 Mk V. We were able to switch an
 antenna back and forth between the two rigs and just listen
 to snr on weak signals, while playing with NB, NR and
 shift/width. We were listening on the rigs' built-in
 speakers. Neither rig had a decided advantage in our little
 test. He also has heavy line noise from a nearby HV line,
 and neither rig was able to help much with that problem.

 However, I was astounded at the difference in audio
 characteristics between the two radios. The K3 had much more
 accentuation of high frequencies. One person might call that
 crisp, while another might call it harsh. In contrast
 the Mk V might be labelled by one person as mellow, or by
 another as muffled. I tried to get the two radios to sound
 the same by playing with their shift/width, but was not
 really successful.

 I'm not sure which sounds better, especially for long-term
 listening, but they sure do sound different.

 Dave Hachadorian, K6LL
 Yuma, AZ

















 .

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Re: [Elecraft] K3 firmware and AGC question

2009-04-28 Thread Steve Ellington
Allan. In the conif. menu, is you AF Gain set for LO or HI?
Steve Ellington
n...@carolina.rr.com
- Original Message - 
From: Allan Taylor k7gt...@gmail.com
To: elecraft@mailman.qth.net
Sent: Tuesday, April 28, 2009 11:52 AM
Subject: [Elecraft] K3 firmware and AGC question


I recently had my K3 (S/N 740) updated at the factory with the 2nd
 receiver and other relevant mods. It has firmware 2.78 installed and
 the rig was received back from Aptos about two weeks ago. Since
 receiving it, I have noticed that the Audio gain needs to be cranked
 up more than before. The rig never had gobs of rx audio, but I am
 finding it at 2 or 3 o'clock most of the time. I was on 30m with the
 bandwidth set to about 1.0 kHz and using NR. As a test, I shut down
 the AGC and it seems to have plenty of rx audio then (but of course NO
 protection...). Turn on NR substantially drops rx audio including
 signals...
 Even without NR, it seems a bit weak.  I am not a young buck and
 hearing is somewhat addled, but no hearing aids yet!
 
 Has anyone noticed changes in rx audio with either installation of the
 2nd rx or somewhat updated firmware? If I upgrade to the
 latest and greatest (3.11??) what should the AGC settings be for
 general use? I know there were lengthy discussions here regarding AGC
 parameters, but didn't pay much attention when they came by. Is there
 a summary page/wiki somewhere??
 
 -- 
 73 AllanK7GT
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Re: [Elecraft] K3 firmware and AGC question

2009-04-28 Thread Jim
My  k3 audio level is typically set to 10 o'clock.

73 de ke4wy jim

Sent from my iPod


On Apr 28, 2009, at 11:52 AM, Allan Taylor k7gt...@gmail.com wrote:

 I recently had my K3 (S/N 740) updated at the factory with the 2nd
 receiver and other relevant mods. It has firmware 2.78 installed and
 the rig was received back from Aptos about two weeks ago. Since
 receiving it, I have noticed that the Audio gain needs to be cranked
 up more than before. The rig never had gobs of rx audio, but I am
 finding it at 2 or 3 o'clock most of the time. I was on 30m with the
 bandwidth set to about 1.0 kHz and using NR. As a test, I shut down
 the AGC and it seems to have plenty of rx audio then (but of course NO
 protection...). Turn on NR substantially drops rx audio including
 signals...
 Even without NR, it seems a bit weak.  I am not a young buck and
 hearing is somewhat addled, but no hearing aids yet!

 Has anyone noticed changes in rx audio with either installation of the
 2nd rx or somewhat updated firmware? If I upgrade to the
 latest and greatest (3.11??) what should the AGC settings be for
 general use? I know there were lengthy discussions here regarding AGC
 parameters, but didn't pay much attention when they came by. Is there
 a summary page/wiki somewhere??

 -- 
 73 AllanK7GT
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[Elecraft] (no subject)

2009-04-28 Thread Mike
K1 Sold
Mike Pierce
KD8DVV

H. Michael Pierce
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Re: [Elecraft] [K3] K3 RX audio on voice modes oh no here we go again

2009-04-28 Thread pd0psb

Also true Steve!

The K3 is the most silent I've ever experienced.
Pull the antenna out and you're virtually left with nothing.
That's why I think the hiss complaints are caused by its noise
character...

73'
Paul
PD0PSB






One thing I look for is audio stage hiss. Disconnect the antenna, turn down 
the AF gain to minimum and listen using hi-fi headphones. You should not 
hear anything. The K3 is dead silent. 
-- 
View this message in context: 
http://n2.nabble.com/K3-RX-audio-on-voice-modes-%3Coh-no-here-we-go-again%3E-tp2699273p2734973.html
Sent from the [K3] mailing list archive at Nabble.com.

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Re: [Elecraft] oh no, another crazy audio idea from Holland

2009-04-28 Thread Barry N1EU



Wes Stewart wrote:
 
 
 I'm sorry, but IMHO, if you have to do this, you don't have a
 well-designed receiver.
 
 

Nah, the K3 AGC is quite good - speech will ALWAYS sound more natural
without AGC and its inherent dynamics-limiting action.

73,
Barry N1EU

-- 
View this message in context: 
http://n2.nabble.com/oh-no%2C-another-crazy-audio-idea-from-Holland-tp2727619p2734975.html
Sent from the Elecraft mailing list archive at Nabble.com.

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Re: [Elecraft] [K3] K3 RX audio on voice modes oh no here we go again

2009-04-28 Thread pd0psb

BTW gentlemen, shall we put the lid on?
We've been occupying quite some (pink) bandwidth!

Thanks for the discussion!
Paul
PD0PSB





Also true Steve!

The K3 is the most silent I've ever experienced.
Pull the antenna out and you're virtually left with nothing.
That's why I think the hiss complaints are caused by its noise
character...

73'
Paul
PD0PSB






Steve Ellington wrote:
 
 One thing I look for is audio stage hiss. Disconnect the antenna, turn
 down 
 the AF gain to minimum and listen using hi-fi headphones. You should not 
 hear anything. The K3 is dead silent. 
 

-- 
View this message in context: 
http://n2.nabble.com/K3-RX-audio-on-voice-modes-%3Coh-no-here-we-go-again%3E-tp2699273p2735044.html
Sent from the [K3] mailing list archive at Nabble.com.

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Re: [Elecraft] K3 firmware and AGC question

2009-04-28 Thread Dave Hachadorian
 what should the AGC settings be for
 general use?

Try these:
dcy soft
hld 0.20
pls nor
slp 0
thr 8
f 200
s 020

Dave Hachadorian, K6LL
Yuma, AZ

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Re: [Elecraft] K3 firmware and AGC question

2009-04-28 Thread Allan Taylor
Tom, et al.

Boy, does THAT make a difference... Yup, AF GAIN was set on LO. Now things are
about right at 10 o'clock w/o NR and 11 o'clock with NR.

(Now the Aptos gang needs to implement the same configuration option
on the K2...)

I guess the fact that I haven't taken the time to really familiarize
myself with the K3 is
showing. I figured out how to change B/W and centering of filters, set
power level, interface with computer for logging and key an amp. Then
off to enjoying the new radio.
I bought a Kenwood mike to use with it, but have yet to plug it in.

Biggest unresolved problem so far:  the K3 is too light. Slides back
when I put in the
headphone plug!

Oh, I like the NR on the K3. Level one is at least as good as on the
OmniVI. I seldom
drop down to really narrow bandwidths, preferring about 800 to 1000 Hz
B/W. I have yet
to use it in a contest, though. (Used the OmniVI for SS last fall)


Thanks, guys

K7GT

On Tue, Apr 28, 2009 at 9:47 AM, Radio Amateur N5GE n...@n5ge.com wrote:
 On Tue, 28 Apr 2009 08:52:52 -0700, Allan Taylor k7gt...@gmail.com
 wrote:

 Allan,

 When you have the sub RX and Main RX both turned on there will be a
 3dB reduction in signal strength (and Volume) due to the combiner that
 combines the two signals.  This is normal and can't be avoided.

 As the other folks told you they may have set your volume level to
 low.  Hold the Menu button till you are in CONFIG mode, turn the VFO B
 knob till you see AF GAIN, then turn the A VFO Knob till you see HI in
 the display.

 NR does seem to reduce the volume a bit, but when you get a signal it
 will be above the noise unless it is very weak.


I recently had my K3 (S/N 740) updated at the factory with the 2nd
receiver and other relevant mods. It has firmware 2.78 installed and
the rig was received back from Aptos about two weeks ago. Since
receiving it, I have noticed that the Audio gain needs to be cranked
up more than before. The rig never had gobs of rx audio, but I am
finding it at 2 or 3 o'clock most of the time. I was on 30m with the
bandwidth set to about 1.0 kHz and using NR. As a test, I shut down
the AGC and it seems to have plenty of rx audio then (but of course NO
protection...). Turn on NR substantially drops rx audio including
signals...
Even without NR, it seems a bit weak.  I am not a young buck and
hearing is somewhat addled, but no hearing aids yet!

 Alan I am 64 and have hearing loss and wear hearing aides, but did not
 know I needed them until I went for a hearing test and found that my
 hearing was very poor at several frequencies.

 On the day I got my hearing aides it was raining lightly.  When I
 realized I could hear the rain hitting the dry leave on the ground
 again I almost wept.  Normally I'm not very much of a wimp, but that
 event was a wonderful experience.

 Have your hearing tested and get some good digital hearing aides if
 you find you need them, but not from the cut rate places that
 advertise in the paper and on TV.

 I'm not selling anything.  If you want more information about my
 experience with them I'll be glad to tell you more.

 Enjoy your K3



Has anyone noticed changes in rx audio with either installation of the
2nd rx or somewhat updated firmware? If I upgrade to the
latest and greatest (3.11??) what should the AGC settings be for
general use? I know there were lengthy discussions here regarding AGC
parameters, but didn't pay much attention when they came by. Is there
a summary page/wiki somewhere??
 Tom, N5GE
 K3 #806, K3 #1055
 XV144, XV432
 W1 and other small kits.
 http://www.n5ge.com





-- 
73 AllanK7GT
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Re: [Elecraft] K3 firmware and AGC question

2009-04-28 Thread Andreas Junge
Allan,

What's your address? I have some extra black rubber lace that you can put
under your K3. It made all the difference for me. This stuff is supposed to
go into the cupboard or into kitchen drawers.

Andreas, N6NU  

 -Original Message-
 From: elecraft-boun...@mailman.qth.net 
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Allan Taylor
 Sent: Tuesday, April 28, 2009 12:06 PM
 To: n...@n5ge.com
 Cc: Elecraft
 Subject: Re: [Elecraft] K3 firmware and AGC question
 
 Tom, et al.
 
 Boy, does THAT make a difference... Yup, AF GAIN was set on 
 LO. Now things are about right at 10 o'clock w/o NR and 11 
 o'clock with NR.
 
 (Now the Aptos gang needs to implement the same configuration 
 option on the K2...)
 
 I guess the fact that I haven't taken the time to really 
 familiarize myself with the K3 is showing. I figured out how 
 to change B/W and centering of filters, set power level, 
 interface with computer for logging and key an amp. Then off 
 to enjoying the new radio.
 I bought a Kenwood mike to use with it, but have yet to plug it in.
 
 Biggest unresolved problem so far:  the K3 is too light. 
 Slides back when I put in the headphone plug!
 
 Oh, I like the NR on the K3. Level one is at least as good as 
 on the OmniVI. I seldom drop down to really narrow 
 bandwidths, preferring about 800 to 1000 Hz B/W. I have yet 
 to use it in a contest, though. (Used the OmniVI for SS last fall)
 
 
 Thanks, guys
 
 K7GT
 
 On Tue, Apr 28, 2009 at 9:47 AM, Radio Amateur N5GE 
 n...@n5ge.com wrote:
  On Tue, 28 Apr 2009 08:52:52 -0700, Allan Taylor k7gt...@gmail.com
  wrote:
 
  Allan,
 
  When you have the sub RX and Main RX both turned on there will be a 
  3dB reduction in signal strength (and Volume) due to the 
 combiner that 
  combines the two signals.  This is normal and can't be avoided.
 
  As the other folks told you they may have set your volume level to 
  low.  Hold the Menu button till you are in CONFIG mode, 
 turn the VFO B 
  knob till you see AF GAIN, then turn the A VFO Knob till 
 you see HI in 
  the display.
 
  NR does seem to reduce the volume a bit, but when you get a 
 signal it 
  will be above the noise unless it is very weak.
 
 
 I recently had my K3 (S/N 740) updated at the factory with the 2nd 
 receiver and other relevant mods. It has firmware 2.78 
 installed and 
 the rig was received back from Aptos about two weeks ago. Since 
 receiving it, I have noticed that the Audio gain needs to 
 be cranked 
 up more than before. The rig never had gobs of rx audio, but I am 
 finding it at 2 or 3 o'clock most of the time. I was on 30m 
 with the 
 bandwidth set to about 1.0 kHz and using NR. As a test, I shut down 
 the AGC and it seems to have plenty of rx audio then (but 
 of course NO 
 protection...). Turn on NR substantially drops rx audio including 
 signals...
 Even without NR, it seems a bit weak.  I am not a young buck and 
 hearing is somewhat addled, but no hearing aids yet!
 
  Alan I am 64 and have hearing loss and wear hearing aides, 
 but did not 
  know I needed them until I went for a hearing test and 
 found that my 
  hearing was very poor at several frequencies.
 
  On the day I got my hearing aides it was raining lightly.  When I 
  realized I could hear the rain hitting the dry leave on the ground 
  again I almost wept.  Normally I'm not very much of a wimp, 
 but that 
  event was a wonderful experience.
 
  Have your hearing tested and get some good digital hearing aides if 
  you find you need them, but not from the cut rate places that 
  advertise in the paper and on TV.
 
  I'm not selling anything.  If you want more information about my 
  experience with them I'll be glad to tell you more.
 
  Enjoy your K3
 
 
 
 Has anyone noticed changes in rx audio with either 
 installation of the 
 2nd rx or somewhat updated firmware? If I upgrade to the latest and 
 greatest (3.11??) what should the AGC settings be for 
 general use? I 
 know there were lengthy discussions here regarding AGC 
 parameters, but 
 didn't pay much attention when they came by. Is there a summary 
 page/wiki somewhere??
  Tom, N5GE
  K3 #806, K3 #1055
  XV144, XV432
  W1 and other small kits.
  http://www.n5ge.com
 
 
 
 
 
 -- 
 73 AllanK7GT
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Re: [Elecraft] K3 firmware and AGC question

2009-04-28 Thread Terry
Yep, best stuff I ever stole from my wife! :-)

73 de Terry KK6T

K3 #2965 (still in kit form)

Andreas Junge wrote:
 Allan,

 What's your address? I have some extra black rubber lace that you can put
 under your K3. It made all the difference for me. This stuff is supposed to
 go into the cupboard or into kitchen drawers.

 Andreas, N6NU  

   
 -Original Message-
 From: elecraft-boun...@mailman.qth.net 
 [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Allan Taylor
 Sent: Tuesday, April 28, 2009 12:06 PM
 To: n...@n5ge.com
 Cc: Elecraft
 Subject: Re: [Elecraft] K3 firmware and AGC question

 Tom, et al.

 Boy, does THAT make a difference... Yup, AF GAIN was set on 
 LO. Now things are about right at 10 o'clock w/o NR and 11 
 o'clock with NR.

 (Now the Aptos gang needs to implement the same configuration 
 option on the K2...)

 I guess the fact that I haven't taken the time to really 
 familiarize myself with the K3 is showing. I figured out how 
 to change B/W and centering of filters, set power level, 
 interface with computer for logging and key an amp. Then off 
 to enjoying the new radio.
 I bought a Kenwood mike to use with it, but have yet to plug it in.

 Biggest unresolved problem so far:  the K3 is too light. 
 Slides back when I put in the headphone plug!

 Oh, I like the NR on the K3. Level one is at least as good as 
 on the OmniVI. I seldom drop down to really narrow 
 bandwidths, preferring about 800 to 1000 Hz B/W. I have yet 
 to use it in a contest, though. (Used the OmniVI for SS last fall)


 Thanks, guys

 K7GT

 On Tue, Apr 28, 2009 at 9:47 AM, Radio Amateur N5GE 
 n...@n5ge.com wrote:
 
 On Tue, 28 Apr 2009 08:52:52 -0700, Allan Taylor k7gt...@gmail.com
 wrote:

 Allan,

 When you have the sub RX and Main RX both turned on there will be a 
 3dB reduction in signal strength (and Volume) due to the 
   
 combiner that 
 
 combines the two signals.  This is normal and can't be avoided.

 As the other folks told you they may have set your volume level to 
 low.  Hold the Menu button till you are in CONFIG mode, 
   
 turn the VFO B 
 
 knob till you see AF GAIN, then turn the A VFO Knob till 
   
 you see HI in 
 
 the display.

 NR does seem to reduce the volume a bit, but when you get a 
   
 signal it 
 
 will be above the noise unless it is very weak.


   
 I recently had my K3 (S/N 740) updated at the factory with the 2nd 
 receiver and other relevant mods. It has firmware 2.78 
 
 installed and 
 
 the rig was received back from Aptos about two weeks ago. Since 
 receiving it, I have noticed that the Audio gain needs to 
 
 be cranked 
 
 up more than before. The rig never had gobs of rx audio, but I am 
 finding it at 2 or 3 o'clock most of the time. I was on 30m 
 
 with the 
 
 bandwidth set to about 1.0 kHz and using NR. As a test, I shut down 
 the AGC and it seems to have plenty of rx audio then (but 
 
 of course NO 
 
 protection...). Turn on NR substantially drops rx audio including 
 signals...
 Even without NR, it seems a bit weak.  I am not a young buck and 
 hearing is somewhat addled, but no hearing aids yet!
 
 Alan I am 64 and have hearing loss and wear hearing aides, 
   
 but did not 
 
 know I needed them until I went for a hearing test and 
   
 found that my 
 
 hearing was very poor at several frequencies.

 On the day I got my hearing aides it was raining lightly.  When I 
 realized I could hear the rain hitting the dry leave on the ground 
 again I almost wept.  Normally I'm not very much of a wimp, 
   
 but that 
 
 event was a wonderful experience.

 Have your hearing tested and get some good digital hearing aides if 
 you find you need them, but not from the cut rate places that 
 advertise in the paper and on TV.

 I'm not selling anything.  If you want more information about my 
 experience with them I'll be glad to tell you more.

 Enjoy your K3


   
 Has anyone noticed changes in rx audio with either 
 
 installation of the 
 
 2nd rx or somewhat updated firmware? If I upgrade to the latest and 
 greatest (3.11??) what should the AGC settings be for 
 
 general use? I 
 
 know there were lengthy discussions here regarding AGC 
 
 parameters, but 
 
 didn't pay much attention when they came by. Is there a summary 
 page/wiki somewhere??
 
 Tom, N5GE
 K3 #806, K3 #1055
 XV144, XV432
 W1 and other small kits.
 http://www.n5ge.com


   

 -- 
 73 AllanK7GT
 __
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Re: [Elecraft] K3 firmware and AGC question

2009-04-28 Thread Radio Amateur N5GE
On Tue, 28 Apr 2009 12:05:50 -0700, Allan Taylor k7gt...@gmail.com
wrote:


Biggest unresolved problem so far:  the K3 is too light. Slides back
when I put in the
headphone plug!


Allan,

You won't think so if you ever want to take it on a trip ;o)

Plug the headphones in and leave them plugged in, then go to the Menu
and find the SPKR+PH Setting and set it to YES.  Any time you want to
turn the speaker(s) off, set SPKR+PH to NO.


Tom, N5GE
K3 #806, K3 #1055
XV144, XV432
W1 and other small kits.
http://www.n5ge.com

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[Elecraft] K3

2009-04-28 Thread Phil LaMarche
Using Dig pan for PSK31 and not data mode.  What is the recommended way of
Keying the K3 with this program in USB?
 
Phil
 

Philip LaMarche 
LaMarche Enterprises, Inc.
 http://www.instantgourmetspices.com/ www.instantgourmetspices.com

www.w9dvm.com http://www.w9dvm.com/  
800-395-7795 pin 02 
727-944-3226 
FAX 727-937-8834 
NASFT 30210 

K3  #1605

CCA 98  00827
W9DVM 


 
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Re: [Elecraft] K3

2009-04-28 Thread mzilmer

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Re: [Elecraft] K3 firmware and AGC question

2009-04-28 Thread Larry K1UO




Plug the headphones in and leave them plugged in, then go to the Menu
and find the SPKR+PH Setting and set it to YES.  Any time you want to
turn the speaker(s) off, set SPKR+PH to NO.


And better yet is to program the above SPKR+PH setting into the PF1  or PF2
special function
key and turn the speaker on/off with a simple push of the PF key!

73  Larry K1UO

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[Elecraft] [K3] Non Amplified D104

2009-04-28 Thread -.-. --.-N3TU -.-. --.-

Anyone ever use the non amplified D104 mic? If you have, how does it perform
and what's it look like on the scope?  Does it sound good and natural
without sounding like you are talking in a trash can? How do you compare it
to other mics. 
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Sent from the [K3] mailing list archive at Nabble.com.

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Re: [Elecraft] [K3] Non Amplified D104

2009-04-28 Thread Jim Brown
On Tue, 28 Apr 2009 16:05:22 -0700 (PDT), -.-.  --.-N3TU -.-.  --.- 
wrote:

Anyone ever use the non amplified D104 mic?

Not for about 35 years. :)  But it should work fine with the K3. 
Plug it in and get some signal reports from a trained listener, then 
tweak the TX equalizer if it needs it. I suspect that it won't need 
much tweaking. 

73,

Jim Brown K9YC



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Re: [Elecraft] [K3] Non Amplified D104

2009-04-28 Thread W6SX Hank Garretson

At 04:05 PM 28 04 2009, -.-.  --.-N3TU -.-.  --.- wrote:

Anyone ever use the non amplified D104 mic?

At 04:14 PM 28 04 2009, Jim Brown, K9YC wrote:

But it should work fine with the K3.
Plug it in and get some signal reports from a trained listener, then
tweak the TX equalizer if it needs it. I suspect that it won't need
much tweaking.

I use a forty-year old non-amplified D-104 with my K3.  Works 
find.  Indeed, I had K9YC check my audio.  After a bit of fiddling, 
Jim recommended no TX equalization for me.


73,

Hank, W6SX

Mammoth Lakes, California

Elevation 8083 feet in John Muir's Range of Light 

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[Elecraft] Fw: [K3] Non Amplified D104

2009-04-28 Thread George Jan
I presently use a D104 that I modified using a rubber mounted Radio Shack
electret element. With bias on it works well. Reports on air are good.

Reports using the crystal element were poor.

George
AI4VZ

Anyone ever use the non amplified D104 mic? If you have, how does it perform
and what's it look like on the scope?  Does it sound good and natural
without sounding like you are talking in a trash can? How do you compare it
to other mics.

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Re: [Elecraft] K3

2009-04-28 Thread Gregory Fischer
If you are running PSK31 from a computer digital mode program you must  
use Data-A.  PSK-D is ONLY for use with either paddle input or ascii  
input over the serial port using a terminal program or the K3Utility  
program.

73
Greg
AB7R

On Apr 28, 2009, at 3:23 PM, Phil LaMarche wrote:

 Using Dig pan for PSK31 and not data mode.  What is the recommended  
 way of
 Keying the K3 with this program in USB?

 Phil


 Philip LaMarche
 LaMarche Enterprises, Inc.
 http://www.instantgourmetspices.com/ www.instantgourmetspices.com

 www.w9dvm.com http://www.w9dvm.com/
 800-395-7795 pin 02
 727-944-3226
 FAX 727-937-8834
 NASFT 30210

 K3  #1605

 CCA 98  00827
 W9DVM



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