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
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
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
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
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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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
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
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
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
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
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
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
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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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,
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
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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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
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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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
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
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
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
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
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 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
K1 Sold
Mike Pierce
KD8DVV
H. Michael Pierce
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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
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
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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
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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Help:
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
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
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
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
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
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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
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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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
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
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
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:
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