I've realized that I've been speaking regularly but only to the alpha test
group.
First, N4HY is alive and well and speaks to, works with, advises, looks for
opportunities for Flex Radio. I'm actively demonstrating the latest efforts all
over the place. On occasion there are missteps
I usually find a combination of AGC-T and NR produces best results.
Bob
Sent from my Verizon Wireless 4G LTE Smartphone
Original message
From: Terry Maurice ve3...@execulink.com
Date: 04/21/2013 10:34 AM (GMT-05:00)
To: Bob McGwier n...@flex-radio.com
Cc: W8BYA
On the other hand I use the QRP output for my 222 MHz, 70cm, 902/3 MHz
transverters from DEMI and they work perfectly.
Bob
[EMAIL PROTECTED] wrote:
Hi Larry,
Here are your answers:
Question 1: Down East Microwave
Question 2: No
73,
Dan KB5MY
Hello all:
I have a question
Simon:
By the time I figured out the 30-th or was it 40-th value to put into a
struct member to use this routine, I decided to stick with what we
have. I know you have a wicked sense of humor but I missed the humor
here altogether :-P . We can modify what we have on the try/catch
approach
to make a fractional dB noise figure front end (say EME
style), you still have a positive system input IP3. This is important
in areas where you have strong signals such as all over the northeast or
the signal of the ham neighbor down the street you have to talk to.
Bob
Bob McGwier N4HY
The MDS is six meters is no better than it is on the lower bands (~128
dBm on 20 meters) and is probably a little bit worse.Six meter rigs
with any serious intent need to have an MDS about 20 dB better than
this. This system is clearly intended to be used with external stuff,
both an
David:
We have an impulse generator we have been moving at a glacial space
towards utilizing. This impulse generator will back out the entire
chain, front end through A/D's with a few simple measurements since we
can directly measure the impulse response.
It will come but not until after
FYI. Eugene Muzychenko is the author of VAC.
Bob
Sergey Kuzmin wrote:
Hello
New beta 3
http://www.asio4all.com/
a.. Add intersection checking. Thanks to Eugene Muzychenko once again for
having me have another look into this and figuring out how it _might_ work.
As a matter of fact, it
If you are one of those poor souls who gets Invalid Putty Port when
attempting to use TortoiseSVN (which has made my productivity level from
my office just about zero) the fix is beyond simple. I finally whined
in enough places that the correct answer was retrieved (in my opinion A
BUG that
Upon release of 1.6.0 on the web site, we contemporaneously reorganized
the SVN structure. It was basically a blow up and start over
operation and was undertaken using Tortoise/SVN sledge hammers. After
consulting with Eric and receiving advice from others we made the
changes, and then made
It can be implemented in hardware and it should be along with the proper
keyer and sidetone where they both belong. We should be taking the CW
sidetone and doing demod/remod.
Thank you for being gentle with out ineptitude.
Bob
N4HY
Mark Ericksen wrote:
Hello everyone, I am a soon
If Portaudio turns out to be the universal panacea it appears to be on
the way to becoming, we should certainly make every attempt to include
them. Both the java and Qt code will run on the Mac. I know from my
WSJT development experience the *BSD's will run the c, p-threads,
python stuff
. It is much more robust is the best way to put it.
Thanks to you both,
Bob
N4HY
Tim Ellison wrote:
The error codes and mini dumps have been forwarded to Eugene (author of
VAC). I'll keep everyone informed of the progress of getting this
resolved.
A big thanks to Phil for analyzing the mini dump
Phil:
Thanks to you, Phil H, Eric, and Bill for your comments. I have a good
picture of what you need and want now. Thanks to all for taking the
time to answer my questions.
Bob
Philip Covington wrote:
One design mistake with the USRP, IMO, is having the 64 MSPS A/D and
125 MSPS D/As
Virtual Audio Cable is not a free package. You can expect the free
download version to work for about 30 minutes and then it is useless.
You will experience drop outs, female voices, noise or other
interruptions. The author is forcing you to buy it.
Please do NOT post queries here that
GREAT IDEA.
Go to the Setup tab, TEST, and turn on the white noise generator
;-)
Bob
Tim Ellison wrote:
I was setting the receive EQ this morning and had an idea that I wanted
to share with the Flex-Radio virtual neighborhood.
Back many moons ago when I was much younger, I played in a
To be fair, it is NOT documented in the manual. That was added since
1.4.4 and manuals are not updated more often than full releases.
Bob
n4hy wrote:
GREAT IDEA.
Go to the Setup tab, TEST, and turn on the white noise generator
;-)
Bob
Phil:
Thanks. ALL of my machines at home where SDR is practiced are SMP
(Athlon MP) or 1.5 SMP (hyperthread).I apologize for not being able
to take the time to allow the dump to finish. What I will do is this.
I will start PowerSDR, HRD, and MixW tonight and allow it to crash and dump.
. Frank has spent 35+ years doing computer
generated music, having studied synthesis since he was an undergraduate
at Princeton. I think you misintepreted something he said.
Bob
N4HY
[EMAIL PROTECTED] wrote:
Unless I've missed the point, I have to gently disagree with Frank
REALLY easy.Grab the source code and add it. We will use it. Eric
will have to maintain that functionality, coordinate with him.
[EMAIL PROTECTED]
Bob
Terry Gerdes wrote:
Bob and all,
I am a newbie to SDR but have been developing software for many
years. I have been working with
Mon Ami!
Merci Beaucoup.
Mai chaque jour semblent comme un bol de cerises!
(May every day seem like a bowl of cherries).
Bob
N4HY
José Dumoulin wrote:
Hi Friends
This is one of my favoured songs. I have been reading the last posts
from some of you, guys (Ahti, Bob, Eric1, Eric2, Frank
through a virtual sound interface. That is not ready and it
will be a process to get there. So it makes sense for us to delay this
until the 1.5 development branch starts and this is incorporated.
Bob
Larry W8ER wrote:
Hi Bob N4HY.
The thing the
audiophiles hate most about the sound
at the right bottom of the display change as you
change from 100 to 50 Hz filter bandwidth.
WK0J Jerry
- Original Message - From: n4hy [EMAIL PROTECTED]
To: Jerald Jones [EMAIL PROTECTED]
Sent: Friday, August 12, 2005 1:46 PM
Subject: Re: [Flexradio] Display error?
There is no mechanism
I want to thank Phil for his fantastic analysis. The dual detector was
what my mind was missing. It is the right question and the right
solution.His block diagram is perfect. I have asked him for his VB
code and will look to implement this.
Bob
YOOO DA MAN!
Frank Brickle wrote:
Robert W McGwier wrote:
... The floating point rb's are really quite a bit
better for our application and I see no reason not to use them in
jsdr...
They've been incorporated and running in all the apps (jsdr, keyers,
pyjacket) for a couple of days
The keyer is back into 1.4.1. Major improvements in several areas
accomplished. ACPI 1.0 works as well.
We can strobe Gerald's 2.0 Ghz Celeron for keystrokes at 500 per
second and it generates good CW to
30 wpm. We are working other big issues but we made a big time break
through today.
I have said it elsewhere (Team Speak and talks), I just don't think many
know what a great thing this is. I would not wish this work on my worst
computer enemy. Windows device driver development is something akin to
seeing Charon rowing sad folks across the River Styx into Hades (the
Windows
Jim Lux wrote:
snip -
On the input side (the status lines on the parallel port), they're not
latched on the PC side (in that there's no external strobe), so it's
up to the software to debounce them. The pathway from external
device, through it's
Hi Bob:
I don't think you mean 4 watts on a peak reading meter. You mean
forward right?
With the amplifier, I don't think the peak meter in the PowerSDR
functions. If so,
it is not reading the actual amplifier. It is basically meaningless for
the 100w amp.
We should probably read the DSP
Well, I got that wrong.
It is in and does the right thing and will stay in.
It reads the DSP for peak voltage setting since it cannot read the
amplifier peaks directly.
Bob
n4hy wrote:
Hi Bob:
I don't think you mean 4 watts on a peak reading meter. You mean
forward right
Is there anyone actually using 2nd sound card at this point? I would
really like to dump it
completely. It is a hazard to our health because we are forced to use
MME to support
it rather than ASIO (since ASIO will open one device). I don't believe
it will ever be
completely functional for
Sorry Phil. I am limited for the time being to 1w from the SDR-1000 on
HF or 15w
from the Elecraft K2 on HF. All of my VHF stuff is scattered over a lot
of PackRats
territory.
Bob
Philip M. Lanese wrote:
Bob
Can you get on 2M from home? I am pretty sure you will hear me I should be
Mike:
Thanks to you and all the others for putting up with our slow pace of
documentation update. The coding is being done primarily by
one part time coder working for Flex and 7 volunteers doing it
as true amateurs.
Bob
Mike Naruta wrote:
Thanks Mel. I searched the Forum and have been
forget. Using Frank's
description of the function, almost any of you who have had a little
calculus and remember that d(exp(f(x))/dx is exp(f(x))* f'(x) can do
this. ;-)
Bob
N4HY
-- unsnip ---
73,
Phil
N4CSV/NNN0RBC
trying to cheat.
Bob
Frank Brickle wrote:
n4hy wrote:
...I am going to figure out the best regression line at the place of
maximum slope on this compression curve. That slope will tell you
how much gain is being applied at that agnitude. If it is 10 dB, I
am going to call it 10 dB
I like it. Neater too. I would suggest adding a number someplace on
the variable
tab to let you know which one you are fiddling with. Another thought
would be
to have Fixed filter tabs based on mode setting.
Philip Covington wrote:
Hi All,
I posted a couple of screenshots of a
It is definitely pencilled in for the future. It will get moved to the
2nd A list behind
full blown Linux support and the new GUI.
Bob
Trevor Smithers wrote:
Just been having a look at the Roadmap B list and wondered if the virtual soundcard
support is still pencilled in for the future
Hope you all like the slowly converging improvements.
Joe - AB1DO wrote:
Hi all,
I only got round to downloading and installing 1.3.9a this morning.
When I did I was stunned by the audio quality improvement. The clicks
I have been hearing all along with especially ANF on are all gone J
Busy at summer school taking calculus
Ken - N9VV wrote:
Anyone heard a peep out of our illustrious S-Meter builder John
KC5NRA? Maybe he discovered girls and the SDR stuff just can't compete?
de Ken
___
FlexRadio mailing list
Joe and others:
This is the power spectrum of the noise of the INA's when they have 0 dB
gain. I really do
dislike these amplifiers immensely and I am guessing that Gerald will
not use them in
future products! In addition, some of this noise can be coming from the
power supplies
that are
In 1.3.8, on the Setup-TX tab, I added a check box. This check box
enables
or disables (checked/unchecked respectively) a DC blocking (High Pass)
filter.
It is an order 6 butterworth. Use this if you have junk at DC coming
into the
sound card. It will be the first thing in the door of your
Before I had the picture blocked. I got a copy. This has nothing to do
with the INA
but is a horrible DC noise problem.
LOOK FOR GROUND LOOPS
Bob
Joe - AB1DO wrote:
Hi all,
I am noticing a “strange” phenomenon, visible in all of the console
versions I have, i.e. from 1.3.4 on. On the far
Thanks to everyone for reports about the 1.3.7 bugs. As you were
warned, they are numerous. Eric and I spent
many hours testing and you still found bugs we did not find. Thank you
all for your help.
Resolved:
1) Compressor/ MOX causing blow up
2) pop on TX - RX
3) blow up sometimes in USB
This is a misreading of both GPL and Flex policy. Flex currently uses
proprietary code that
it cannot distribute source for. The EZ USB code for the Ahti/Sami
device is handled this way
and it is delivered separately from the console.
You may certainly install and use this utility in your
Joe:
Do the following. Fix the console so that you have the soft clicking
going on.
The change the spectrum display mode from spectrum or panadapter, etc.
to OFF. Tell me if the click goes away. It does here on the development
system in my lab.
Bob
Joe - AB1DO wrote:
Ken,
Based on
Kjell:
Yes. We are about to release new DSP that will allow you to set buffer
sizes,
sample rates, etc.
Bob
Kjell privat wrote:
Hi!
Are there any plane to support 192 khz soundcard and a faster
sampling-rate than now. This could give the option to view more of the
band. Today there
With the huge dynamic range available in the D44, I can't see why we
can't just run the
preprocessing multiplier up very high(the gain on the transmit tab in
setup).
Has anyone tried this and has it failed? What in your best guesstimate
is the failure mode?
Bob
Richard Stasiak wrote:
Hi
is not enough gain. Perhaps we should consider
raising the maximum.
Eric
n4hy wrote:
With the huge dynamic range available in the D44, I can't see why we
can't just run the
preprocessing multiplier up very high(the gain on the transmit tab in
setup).
Has anyone tried this and has it failed
While this is potentially correct, it is pretty amazing how poor your
transmit noise floor can be with these
sound cards and still be orders of magnitude less power than in a
normal transceiver. I agree with you
that this will be the ultimate limiting factor and we can only know by
testing.
is the behavior of the com port and
how close to specs
it can come so we can have HRD, etc. use it.
Bob
N4HY
Philip Covington wrote:
Dale,
It would be better to NOT have both the vCOM driver and the MixW
driver installed. I am not completely sure on this, but I think that
both drivers (being
And a room with a bit less ambience. I enjoyed the lounge lizards so
much, I found it hard
to concentrate.
Bob
FlexRadio - Eric wrote:
Phil,
Sorry to hear about the late breaking work. Was looking forward to
meeting in person, but I suppose there is always next year. You are
right
Would someone please email me (directly) with the friends ftp user and
password?
Bob
Thanks for the replies! I got it.
Bob
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