Hi owen,

Major DSP improvements in 1.19.x are mainly in the wide band image rejection,
whereas the EIA button in 1.12.x does the same task (sometimes reported a bit
better).
Also, the 1.12 is for XP whereas the 1.19 works in Vista/W7.

If you want my opinion, I'm always into the saying that goes "if it works, dont
fix it".

Best 73,
Christos SV1EIA


--- In powersdr-iq@yahoogroups.com, "owen1936" <owen1936@...> wrote:
>
> For three years I have been running PSDR-IQ v1.12.20 on LPT-based SDRs. 
Recently I kluged up one with USB interface and tried out v1.19.3.15.  Of course
the enhanced skins look nice - that's one advantage.  But I THINK I detected
better sounding Rx audio, although that could have been my imagination.  The
question is (and Christos is probably the best guy to answer):  were there
significant DSP improvements made between v1.12.20 and v1.19.3.15?
>
> Building a new radio would be a fairly major task and I'd prefer to know for
certain whether it would perform better than what I have now.
>
> Thanks for any response..
>
> 73, Owen
>

Christos - thanks for your reply.  You are probably right - there would be
little gained by building a new USB-based radio.  But wait - perhaps there is
another reason to do so.  Newer versions of PSDR-IQ would presumably include the
Tx overshoot cure that Flex came up with not long ago.  I still am occasionally
plagued with that nuisance.

So, Christos - here's another question.  Will your new v2.x be compatible with
radios that work with v1.19.3.15?

Thanks again and 73,
Owen

Hi Owen,

Of course.

73,
Christos SV1EIA


--- In powersdr-iq@yahoogroups.com, "owen1936" <owen1936@...> wrote:
>
> Christos - thanks for your reply.  You are probably right - there would be
little gained by building a new USB-based radio.  But wait - perhaps there is
another reason to do so.  Newer versions of PSDR-IQ would presumably include the
Tx overshoot cure that Flex came up with not long ago.  I still am occasionally
plagued with that nuisance.
>
> So, Christos - here's another question.  Will your new v2.x be compatible with
radios that work with v1.19.3.15?
>
> Thanks again and 73,
> Owen
>

Hi Francis,

The possibility is open and there is already a (suggested) interface for that
->
http://groups.yahoo.com/group/powersdr-iq/files/USB2SDR%20SDR1000%20Interface/

Programing work though is needed for that control to happen, so it will take a
while.

73,
Christos SV1EIA


--- In powersdr-iq@yahoogroups.com, Francesco Reale <ea5hwq@...> wrote:
>
> Hola Cristos, there is possibility to use theUSB2SDRwith SDR1000?Considering
this windows XP support ends at the end of this year, would be a good
opportunity for those who still have Flex1K.
> 73. Francis
>

My wish also.
Tim

--- In powersdr-iq@yahoogroups.com, "sv1eia" <sv1eia@...> wrote:
>
> Hi Francis,
>
> The possibility is open and there is already a (suggested) interface for that
> ->
http://groups.yahoo.com/group/powersdr-iq/files/USB2SDR%20SDR1000%20Interface/
>
> Programing work though is needed for that control to happen, so it will take a
while.
>
> 73,
> Christos SV1EIA
>
>
> --- In powersdr-iq@yahoogroups.com, Francesco Reale <ea5hwq@> wrote:
> >
> > Hola Cristos, there is possibility to use theUSB2SDRwith SDR1000?Considering
this windows XP support ends at the end of this year, would be a good
opportunity for those who still have Flex1K.
> > 73. Francis
> >
>

Looks like PowerSDR is going the way of the dinosaur...

http://www.flex-radio.com/FLEX-6000.pdf

Rob,

I'd say that I dissagree.

If you were attending to what is going on in the last couple of years in
OpenHPSDR you would have reckon that this is the aftermath.

Obviously Flex is trying to move away from their previous brand for many reasons
(we can imagine why), yet the new one is by all means based on the building
blocks of PowerSDR, we've seen that unfolding in the hpsdr and metis.

Appart from the software though, one happy (for me) suprise is that Flex has
gone into hardware DSP processors from TI for their new 6000 range, the TI
TMS320*, whereas a DSP from that series I've also placed a couple of years ago
in USB2SDR  :-)

73,
Christos SV1EIA


--- In powersdr-iq@yahoogroups.com, "applewiz2000" <rob.m0rzf@...> wrote:
>
> Looks like PowerSDR is going the way of the dinosaur...
>
> http://www.flex-radio.com/FLEX-6000.pdf
>

Hi Christos,

It is good to see a new product come onto the market but inevitably the price is
high. There was a glaring market hole for a top spec commercial DDC/DUC
transceiver, and pretty obvious they would fill it sooner or later.

I meant the PowerSDR software itself will go the way of the dinosaur. So is the
smartSDR software derived from it, or a new program?

I will admit to not looking at HPSDR much these days. Their development updates
seem very slow. In particular the Hermes board has taken ages to be released,
and now has a commercial competitor.

~Rob


--- In powersdr-iq@yahoogroups.com, "sv1eia" <sv1eia@...> wrote:
> Rob,
>
> I'd say that I dissagree.
>
> If you were attending to what is going on in the last couple of years in
OpenHPSDR you would have reckon that this is the aftermath.
>
> Obviously Flex is trying to move away from their previous brand for many
reasons (we can imagine why), yet the new one is by all means based on the
building blocks of PowerSDR, we've seen that unfolding in the hpsdr and metis.
>
> Appart from the software though, one happy (for me) suprise is that Flex has
gone into hardware DSP processors from TI for their new 6000 range, the TI
TMS320*, whereas a DSP from that series I've also placed a couple of years ago
in USB2SDR  :-)

Yes, the more products in the market, the better,
though as you said, it will be in the high end prices of 4K to 7K USD.

Regarding new programs, I do not claim that I know, yet the things that happen
at hpsdr are showing the direction and way of the described Flex6K
functionality.
Actually, IMHO, the whereabouts of hpsdr team are more or less to an extend
translated into Flex products and that has been shown even from the Flex5K.
Also dont know if this would be a 'brand new' s/w yet businesswise its more
efficient to re-use your hard-earned and developed modules rather than to
re-invent the wheel, so I guess the DSP would be exactly the same (and I dont
see any reason to change it).
Though most likely Flex is going totally commercial in the application area and
that explains a lot.

73,
Christos SV1EIA


--- In powersdr-iq@yahoogroups.com, "applewiz2000" <rob.m0rzf@...> wrote:
>
> Hi Christos,
>
> It is good to see a new product come onto the market but inevitably the price
is high. There was a glaring market hole for a top spec commercial DDC/DUC
transceiver, and pretty obvious they would fill it sooner or later.
>
> I meant the PowerSDR software itself will go the way of the dinosaur. So is
the smartSDR software derived from it, or a new program?
>
> I will admit to not looking at HPSDR much these days. Their development
updates seem very slow. In particular the Hermes board has taken ages to be
released, and now has a commercial competitor.
>
> ~Rob
>
>
> --- In powersdr-iq@yahoogroups.com, "sv1eia" <sv1eia@> wrote:
> > Rob,
> >
> > I'd say that I dissagree.
> >
> > If you were attending to what is going on in the last couple of years in
OpenHPSDR you would have reckon that this is the aftermath.
> >
> > Obviously Flex is trying to move away from their previous brand for many
reasons (we can imagine why), yet the new one is by all means based on the
building blocks of PowerSDR, we've seen that unfolding in the hpsdr and metis.
> >
> > Appart from the software though, one happy (for me) suprise is that Flex has
gone into hardware DSP processors from TI for their new 6000 range, the TI
TMS320*, whereas a DSP from that series I've also placed a couple of years ago
in USB2SDR  :-)
>

Hello,

I was wondering if anyone has had any success at using the PowerSDR software
with the Soft66 series of receivers? I know that they are able to work under
WinRad using an ExtIO DLL but I was curious as to if someone had developed
something for PowerSDR.


                      - Mike

Hi everyone,

Just a quick message to let you know that I've made a fork of the ghpsdr3-alex
project, and  I work on the support of USB2SDR board under linux.
At the moment, it is possible to use the USB2SDR with a softrock receiver for RX
only.
Have a look at my demo video here

http://www.youtube.com/watch?v=3so4E7i8qIA

To test the whole thing for yourself, get a copy of the project here

https://github.com/dsap/ghpsdr3-alex-USB2SDR

kind regards
Dimitris
  73, SV1OBT

Really puzzled by this...

I have a working Ensemble TXRX with a Delta 44 sound card.
This setup works with HDSDR in both TX and RX but I'm struggling to
get the identical setup to work with Christos SV1EIA's PSDR-IQ v1.19.3.15

The RX is fine and I can put out a carrier by clicking the TUNE button.
However, I can't get the mic to produce any modulation.
There is no flicker on the meter (top right corner) which is set to
monitor mic level.

The meter in the Delta 44 monitor panel flickers with voice so I know
the mic is working fine (it does work on HDSDR)...

I've got the PSDR console mic slider set to 75%....
Mic boost is selected but either way, no modulation
Initial setup was using the wizard and it set the audio to ASIO Delta 44
Delta44 sockets used:-
OUT 3/4 TX audio to TXRX....IN 1/2 RX audio from TXRX...IN 3/4 mono mic

So, to recap, RX works, carrier is produced using TUNE button but no
mic modulation on any mode....


Im doing something silly...any help appreciated

Regards
Philip G4JVF

Hi Dimitris,

Great job, opening up the Linux horizon here.

73,
Christos SV1EIA


--- In powersdr-iq@yahoogroups.com, "sv1obt" <sv1obt@...> wrote:
>
> Hi everyone,
>
> Just a quick message to let you know that I've made a fork of the ghpsdr3-alex
project, and  I work on the support of USB2SDR board under linux.
> At the moment, it is possible to use the USB2SDR with a softrock receiver for
RX only.
> Have a look at my demo video here
>
> http://www.youtube.com/watch?v=3so4E7i8qIA
>
> To test the whole thing for yourself, get a copy of the project here
>
> https://github.com/dsap/ghpsdr3-alex-USB2SDR
>
> kind regards
> Dimitris
>  73, SV1OBT
>

 

Really puzzled by this...

I have a working Ensemble TXRX with a Delta 44 sound card.
This setup works with HDSDR in both TX and RX but I'm struggling to
get the identical setup to work with Christos SV1EIA's PSDR-IQ v1.19.3.15

The RX is fine and I can put out a carrier by clicking the TUNE button.
However, I can't get the mic to produce any modulation.
There is no flicker on the meter (top right corner) which is set to
monitor mic level.

The meter in the Delta 44 monitor panel flickers with voice so I know
the mic is working fine (it does work on HDSDR)...

I've got the PSDR console mic slider set to 75%....
Mic boost is selected but either way, no modulation
Initial setup was using the wizard and it set the audio to ASIO Delta 44
Delta44 sockets used:-
OUT 3/4 TX audio to TXRX....IN 1/2 RX audio from TXRX...IN 3/4 mono mic

So, to recap, RX works, carrier is produced using TUNE button but no
mic modulation on any mode....

Im doing something silly...any help appreciated

Regards
Philip G4JVF

Thanks for the reply Geoff

I seem to have got it working...

As I suspected it's a sorry tale of self inflicted pain...

The VAC button bottom right of centre was selected.
Deselecting that gave me back mic modulation..
However, I then lost RX audio so had a good think..

Anyhoo, historicaly, I've used the Delta44 for IQ signals but listened to the RX
on my PC main sound card...
So, I attached an audio amp to the remaining two Delta44 output pins and the RX
sound stays on now, even with the VAC button disabled...

It seems everything is now working as it should be and I hold my hands
up to it all being user error...

Now to get the CW to work...

Many many thanks Bob G8VOIP who accurately sussed the problem

--- In powersdr-iq@yahoogroups.com, Geoff Suggate <g.suggate@...> wrote:
>
> Hello Philip
>
> If you have a MOX button on that version of PSDR try using that instead of
Tune
>
> Geoff G3NPI
>
> Sent from Geoff's iPod
>
> On 4 Jun 2012, at 14:57, "Philip" <pcteee@...> wrote:
>
> > Really puzzled by this...
> >
> > I have a working Ensemble TXRX with a Delta 44 sound card.
> > This setup works with HDSDR in both TX and RX but I'm struggling to
> > get the identical setup to work with Christos SV1EIA's PSDR-IQ v1.19.3.15
> >
> > The RX is fine and I can put out a carrier by clicking the TUNE button.
> > However, I can't get the mic to produce any modulation.
> > There is no flicker on the meter (top right corner) which is set to
> > monitor mic level.
> >
> > The meter in the Delta 44 monitor panel flickers with voice so I know
> > the mic is working fine (it does work on HDSDR)...
> >
> > I've got the PSDR console mic slider set to 75%....
> > Mic boost is selected but either way, no modulation
> > Initial setup was using the wizard and it set the audio to ASIO Delta 44
> > Delta44 sockets used:-
> > OUT 3/4 TX audio to TXRX....IN 1/2 RX audio from TXRX...IN 3/4 mono mic
> >
> > So, to recap, RX works, carrier is produced using TUNE button but no
> > mic modulation on any mode....
> >
> > Im doing something silly...any help appreciated
> >
> > Regards
> > Philip G4JVF
> >
> >
> >
> >
> >
> >
> >
>

 

Thanks for the reply Geoff

I seem to have got it working...

As I suspected it's a sorry tale of self inflicted pain...

The VAC button bottom right of centre was selected.
Deselecting that gave me back mic modulation..
However, I then lost RX audio so had a good think..

Anyhoo, historicaly, I've used the Delta44 for IQ signals but listened to the RX
on my PC main sound card...
So, I attached an audio amp to the remaining two Delta44 output pins and the RX
sound stays on now, even with the VAC button disabled...

It seems everything is now working as it should be and I hold my hands
up to it all being user error...

Now to get the CW to work...

Many many thanks Bob G8VOIP who accurately sussed the problem

--- In powersdr-iq@yahoogroups.com, Geoff Suggate <g.suggate@...> wrote:
>
> Hello Philip
>
> If you have a MOX button on that version of PSDR try using that instead of Tune
>
> Geoff G3NPI
>
> Sent from Geoff's iPod
>
> On 4 Jun 2012, at 14:57, "Philip" <pcteee@...> wrote:
>
> > Really puzzled by this...
> >
> > I have a working Ensemble TXRX with a Delta 44 sound card.
> > This setup works with HDSDR in both TX and RX but I'm struggling to
> > get the identical setup to work with Christos SV1EIA's PSDR-IQ v1.19.3.15
> >
> > The RX is fine and I can put out a carrier by clicking the TUNE button.
> > However, I can't get the mic to produce any modulation.
> > There is no flicker on the meter (top right corner) which is set to
> > monitor mic level.
> >
> > The meter in the Delta 44 monitor panel flickers with voice so I know
> > the mic is working fine (it does work on HDSDR)...
> >
> > I've got the PSDR console mic slider set to 75%....
> > Mic boost is selected but either way, no modulation
> > Initial setup was using the wizard and it set the audio to ASIO Delta 44
> > Delta44 sockets used:-
> > OUT 3/4 TX audio to TXRX....IN 1/2 RX audio from TXRX...IN 3/4 mono mic
> >
> > So, to recap, RX works, carrier is produced using TUNE button but no
> > mic modulation on any mode....
> >
> > Im doing something silly...any help appreciated
> >
> > Regards
> > Philip G4JVF
> >
> >
> >
> >
> >
> >
> >
>

For a few years I've been running PSDR-IQ v1.12.20 on my LPT-based radios.  I've
therefore enjoyed how well Christos's EIA function performs.  Very recently I've
switched over to a USB-based radio and have been using v1.19.3.15 which
incorporates WBIR instead of EIA.  Too bad - WBIR doesn't seem to work nearly as
well.  It requires a VERY strong signal to trigger the image rejection
algorithm.  In fact I've had occasions where no signal was strong enough to make
it work and have had to temporarily connect a signal generator to the antenna
input in order to "kick start" WBIR.

As far as I can tell, the phase and amplitude correction figures that WBIR
develop remain stored during each PSDR-IQ session, but are lost at shutdown.  Is
this correct?  If so, is there any way they can be semi-permanently stored
between sessions?

73,
Owen

Hi Owen,

Yes, this is a known issue in this preview release.

I plan to have something done similar to 'per-band' calibration settings, stored
in the database.xml configuration file.
Yet that has to wait since the pipeline of the todo things here is quite
extended.

73,
Christos SV1EIA


--- In powersdr-iq@yahoogroups.com, "owen1936" <owen1936@...> wrote:
>
> For a few years I've been running PSDR-IQ v1.12.20 on my LPT-based radios. 
I've therefore enjoyed how well Christos's EIA function performs.  Very recently
I've switched over to a USB-based radio and have been using v1.19.3.15 which
incorporates WBIR instead of EIA.  Too bad - WBIR doesn't seem to work nearly as
well.  It requires a VERY strong signal to trigger the image rejection
algorithm.  In fact I've had occasions where no signal was strong enough to make
it work and have had to temporarily connect a signal generator to the antenna
input in order to "kick start" WBIR.
>
> As far as I can tell, the phase and amplitude correction figures that WBIR
develop remain stored during each PSDR-IQ session, but are lost at shutdown.  Is
this correct?  If so, is there any way they can be semi-permanently stored
between sessions?
>
> 73,
> Owen
>

As I've gained more experience with WBIR in v1.19.3.15, I've noticed another of
its disturbing characteristics.  In Rx sometimes the image actually BUILDS UP to
the point that its amplitude is nearly the same as the actual signal! 
Apparently the internal phase and amplitude corrections have drifted to their
extreme limits.  When this happens the only way I've found to correct the
problem is to shutdown then restart PSDR-IQ.  This seems to initialize these
parameters to reasonable values.

Christos - am wondering if a "fix" could be made for v1.19.3.15 that would allow
WBIR to be turned off?

Personally I'd rather have NO image correction that what I'm getting now.

73,
Owen

Owen,

In my view you most likely have a level imbalance in I/Q Rx channels which is
the cause of your suffering.

With PowerSDR you can see that by aplying a steady RF signal (not high, eg
-73dBm or similar) and set the S-Meter instead of 'Signal' to either 'ADC L' or
'ADC R'.
Those readings measure the level of each channel separately so they MUST be
within a fraction of a dB in difference, or even better be exactly equal.
If you see more than 1 dB, then you have a serious hardware issue in your rig or
cables wich you have to rectify.

PowerSDR requires narrow level difference in I/Q channels for WBIR to work
better.
And this uniqe feature of separate channel level debugging with ADCL and ADCR
measurements helps a lot the homebrewers to pinpoint on that case and on which
channel to focus.

73,
Christos SV1EIA


--- In powersdr-iq@yahoogroups.com, "owen1936" <owen1936@...> wrote:
>
> As I've gained more experience with WBIR in v1.19.3.15, I've noticed another
of its disturbing characteristics.  In Rx sometimes the image actually BUILDS UP
to the point that its amplitude is nearly the same as the actual signal! 
Apparently the internal phase and amplitude corrections have drifted to their
extreme limits.  When this happens the only way I've found to correct the
problem is to shutdown then restart PSDR-IQ.  This seems to initialize these
parameters to reasonable values.
>
> Christos - am wondering if a "fix" could be made for v1.19.3.15 that would
allow WBIR to be turned off?
>
> Personally I'd rather have NO image correction that what I'm getting now.
>
> 73,
> Owen
>

Hi Wayne,
Nice to see that you've managed to pinpoint via this feature the source of some
issues.

I need to point out though that this is helpful only if there is a level
mismatch in the channels, yet that it usually the most common source of
problems.

A rare issue that is not tackled by this remains and is the phase difference,
which is not measured here, so if the two channels do have the exact level but
for some reason they do not have the 90 degrees  between them, then again the
image cannot be suppressed.
That sistuation needs an oscope to be identified.
An easy check is to see if that happens when there is a sort between the two
channels most likely from the cables/connectors/jacks used.

73,
Christos SV1EIA


--- In powersdr-iq@yahoogroups.com, "Wayne and Cate" <wayne.cate@...> wrote:
>
> Christos
>
>                 Thanks for that info been chasing a problem for a while and
> it comes down to my bad workmanship bad solder joint.
>
>                 Thanks again 73's
>
>
>
> Wayne VK4YWG
>
>
>
> From: powersdr-iq@yahoogroups.com [mailto:powersdr-iq@yahoogroups.com] On
> Behalf Of sv1eia
> Sent: Thursday, 21 June 2012 5:11 PM
> To: powersdr-iq@yahoogroups.com
> Subject: [powersdr-iq] Re: WBIR
>
>
>
>
>
> Owen,
>
> In my view you most likely have a level imbalance in I/Q Rx channels which
> is the cause of your suffering.
>
> With PowerSDR you can see that by aplying a steady RF signal (not high, eg
> -73dBm or similar) and set the S-Meter instead of 'Signal' to either 'ADC L'
> or 'ADC R'.
> Those readings measure the level of each channel separately so they MUST be
> within a fraction of a dB in difference, or even better be exactly equal.
> If you see more than 1 dB, then you have a serious hardware issue in your
> rig or cables wich you have to rectify.
>
> PowerSDR requires narrow level difference in I/Q channels for WBIR to work
> better.
> And this uniqe feature of separate channel level debugging with ADCL and
> ADCR measurements helps a lot the homebrewers to pinpoint on that case and
> on which channel to focus.
>
> 73,
> Christos SV1EIA
>
> --- In powersdr-iq@yahoogroups.com <mailto:powersdr-iq%40yahoogroups.com> ,
> "owen1936" <owen1936@> wrote:
> >
> > As I've gained more experience with WBIR in v1.19.3.15, I've noticed
> another of its disturbing characteristics. In Rx sometimes the image
> actually BUILDS UP to the point that its amplitude is nearly the same as the
> actual signal! Apparently the internal phase and amplitude corrections have
> drifted to their extreme limits. When this happens the only way I've found
> to correct the problem is to shutdown then restart PSDR-IQ. This seems to
> initialize these parameters to reasonable values.
> >
> > Christos - am wondering if a "fix" could be made for v1.19.3.15 that would
> allow WBIR to be turned off?
> >
> > Personally I'd rather have NO image correction that what I'm getting now.
> >
> > 73,
> > Owen
> >
>

I amen using the psdr software on my ensemble rxtx and it works fine, but the
frequency reads 10kc higher than the actual frequency checked against other
radios.  i tried the calibrate but nothing.  cfgsr shows the correct freq.  any
ideas.  I cant find it anywhere.

Mark
N5MF

I am using the program and it works quite well but I have a problem with the
frequency.  when I am comparing the rcv freq with other conventional radios the
SDR is off by 10Khz.  All bands and all modes.  I can use the cfgsr program and
it is right on with my others. Ive tried the calibrate etc and nothing.  even
wwv is off 10khz.  What am i missing?

Mark

From: Geoff Suggate <g.suggate@...>
To: "powersdr-iq@yahoogroups.com" <powersdr-iq@yahoogroups.com>
Sent: Tue, Jun 26, 2012 13:39:03 GMT+00:00
Subject: [powersdr-iq] Re: Frequency Calibration

 

Hi Mark

Try MENU,  Setup, Hardware Config, Tick Expert, Accept Warning, Adjust using Clock Offset

Hope that helps

Geoff G3NPI

----- Original Message -----
Subject: [powersdr-iq] Calibration


>I amen using the psdr software on my ensemble rxtx and it works fine, but the
frequency reads 10kc higher than the actual frequency
>checked against other radios.  i tried the calibrate but nothing.  cfgsr shows
the correct freq.  any ideas.  I cant find it
>anywhere.
>

Mark,

CFGSR will show the centre frequency NOT the tuned frequency. That will differ
by the IF setting in PSDR. I think the default is
10KHz.
Is the Ensemble calibrated correctly?
<http://sites.google.com/site/g4zfqradio/calibrating-the-softrock-si570-usb-cont\
roller> Use
HDSDR because if PSDR has some wrong settings then that will confuse matters.

10KHz sounds a lot so the chances are there are wrong settings. After
calibration set PSDR calibration to default.

73 Alan G4ZFQ

Hi Mark,

Follow the guide on Alan G4ZFQ's web pages.

If you intend to operate the Ensemble with any other SDR program as well, DO NOT
follow the advice given to use the PSDR calibration function, that is the way
NOT to do it and I can guarantee you will end up chasing you own tail.

The beauty and great benefit of Fred PE0FKO's AVR firmware is that the
calibration is saved within the EEPROM on the chip and automatically applied to
frequency commands received from any SDR program.

If you use any calibration feature within the SDR program, that modifies the
frequency commands sent to the AVR controller, which then will mofify it again
using its stored correction, net result is you will not be able to calibrate it.

There are two calibration choices, hard and easy!

Hard, calibrate every SDR program you run separately, ok if you only have one
device using a Si570, but every time you recalibrate means you have to correct
each program. Of course this method is no use if you have 2 or more Si570
devices.

Easy, use the firmware built in calibration feature, calibrate using HDSDR and
the ExtIO dll file. Calibration is stored with the device so you can swap
between any SDR program providing you leave their clock frequencies at the
default 114.285MHz. If you have more than one Si570 device, simply plug them in
and the calibration will be correct for that device.

73, Bob G8VOI

--- In powersdr-iq@yahoogroups.com, "Alan" <alan4alan@...> wrote:
>
>
> ----- Original Message -----
> Subject: [powersdr-iq] Calibration
>
>
> >I amen using the psdr software on my ensemble rxtx and it works fine, but the
frequency reads 10kc higher than the actual frequency
> >checked against other radios.  i tried the calibrate but nothing.  cfgsr
shows the correct freq.  any ideas.  I cant find it
> >anywhere.
> >
>
> Mark,
>
> CFGSR will show the centre frequency NOT the tuned frequency. That will differ
by the IF setting in PSDR. I think the default is
> 10KHz.
> Is the Ensemble calibrated correctly?
<http://sites.google.com/site/g4zfqradio/calibrating-the-softrock-si570-usb-cont\
roller> Use
> HDSDR because if PSDR has some wrong settings then that will confuse matters.
>
> 10KHz sounds a lot so the chances are there are wrong settings. After
calibration set PSDR calibration to default.
>
> 73 Alan G4ZFQ
>