Re: [Flexradio] New Digital Mode Software

2006-09-14 Thread Simon Brown \(HB9DRV\)
I agree 100%. I am often asked to do 'something' so that a Digital Mode 
program can run locally while connected to a remote soundcard. Obviously 
some client/server TCP/IP solution is:

[1] Easy to write,
[2] Simple and good solution.

Connecting to the innards of the SDR software via IP is the long-term way to 
go, apart from anything else the client can run on a separate computer.

In some years from now I see a SDR- with embedded computer running Linux 
or Windows and offering services via IP and/or SOAP (and others). The cost 
and size of miniature PC cards is dropping dramatically.

Simon Brown
---
RSGB HF Convention October 2006: http://www.rsgb-hfc.org.uk/

- Original Message - 
From: Jim Lux [EMAIL PROTECTED]

 I would suggest, though, that some form of IP socket based routing might 
 be appropriate, both for command/telemetry (UDP or TCP, perhaps using 
 XML-RPC style) and for audio paths (e.g. SIP/RTP).  This would allow 
 separation of radio and control on different machines fairly easy.



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[Flexradio] Power SDR - Positioning playback of WAV files

2006-09-14 Thread Julian Creedy
Is there any chance of somone enhancing PowerSDR with a means of positioning
within a pre-recorded WAV file - say a simple slider to move back and forth
within the file.

I've taken to recording hour long sessions of 40m during grey line periods
and sending these to friends in the UK on DVD - it would be useful to move
around the file to look for signals.

Currently using PowerSDR with a softrock 40/80 and greatly impressed,

thanks,
Julian zl2cv
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[Flexradio] Question About Recording and Playback

2006-09-14 Thread Jimmy Jones
In SVN 669 I'm trying to record some of the guys I talk to.
Everytime I try they always seem to be way off Frequency.
Any ideas?

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[Flexradio] (no subject)

2006-09-14 Thread Scott
Can someone send me the url to the TortoiseSVN download.

Thanks
Scott 
KQ8RP


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Re: [Flexradio] (no subject)

2006-09-14 Thread Ken - N9VV
Hi Scott, it is right on the Flex website and the SVN URLs are toward 
the bottom of the document:
   http://www.flex-radio.com/download_files/PowerSDR/Docs/TortoiseSVN.pdf
and
   svn://206.216.146.154/svn/repos_sdr_windows/PowerSDR/trunk/bin/Release
o.k.?


Scott wrote:
 Can someone send me the url to the TortoiseSVN download.
 
 Thanks
 Scott 
 KQ8RP
 
 
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Re: [Flexradio] Help - Suggestions

2006-09-14 Thread Ignacio
Kevin Hobbs wrote:

  

  

 I just did some additional tests. I ran the scanner until I found something
 good .. ie: WWV at 2.8MHz . I disconnected the antenna and connected my sig
 gen at 2.5MHz and it was there. So, at the bottom end I seem to be 300KHz or
 os. I tried a 5MHz signal and it showed up at about 5.6MHz on the SDR.
 Unfortunately, I couldn't find a 10MHz signal (I expected it to be around
 11.2MHz). So, something goofy is going on. Using the scanner I found that I
 am receiving lots of signals, but I don't think they are as strong as they
 should be and they sure aren't in the right place.

  

 More suggestions to try tomorrow? Bedtime now . thanks for help 
 suggestions!!!

  

 TNX Kevin
   
Kevin, this suggest your LO is not in the right frequency.
Can you check the ref oscillator and see if it generating 200 MHz? I had 
a bad oscillator that drove my crazy.
I suggest also resetting the parallel cable and even check the 
continuity of all wires. 

-- 
73 de Ignacio, EB4APL



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Re: [Flexradio] Help - Suggestions - SDR-1000 Schematic for troubleshooting?

2006-09-14 Thread [EMAIL PROTECTED]
Is there a schematic of the SDR-1000 to aid in troubleshooting? TNX Kevin

Original Message:
-
From: Ignacio [EMAIL PROTECTED]
Date: Thu, 14 Sep 2006 16:16:28 +0200
To: FlexRadio@flex-radio.biz
Subject: Re: [Flexradio] Help - Suggestions


Kevin Hobbs wrote:

  

  

 I just did some additional tests. I ran the scanner until I found
something
 good .. ie: WWV at 2.8MHz . I disconnected the antenna and connected my
sig
 gen at 2.5MHz and it was there. So, at the bottom end I seem to be 300KHz
or
 os. I tried a 5MHz signal and it showed up at about 5.6MHz on the SDR.
 Unfortunately, I couldn't find a 10MHz signal (I expected it to be around
 11.2MHz). So, something goofy is going on. Using the scanner I found that
I
 am receiving lots of signals, but I don't think they are as strong as they
 should be and they sure aren't in the right place.

  

 More suggestions to try tomorrow? Bedtime now . thanks for help 
 suggestions!!!

  

 TNX Kevin
   
Kevin, this suggest your LO is not in the right frequency.
Can you check the ref oscillator and see if it generating 200 MHz? I had 
a bad oscillator that drove my crazy.
I suggest also resetting the parallel cable and even check the 
continuity of all wires. 

-- 
73 de Ignacio, EB4APL



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mail2web - Check your email from the web at
http://mail2web.com/ .



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[Flexradio] Image Null Calibration.

2006-09-14 Thread Van de Velde Eddy
The maximum output of the Elacraft XG-2 is -73 dBm. The manual of the SDR-1000 
requests a signal of -50 dBm for the Automatic calibration of the Image Null. 

Is the -73 dBm of the XG-2 insufficient for a reliable I mage Null Calibration ?

73 Eddy ON5UQ.
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Re: [Flexradio] Image Null Calibration.

2006-09-14 Thread Thompson_Peter
I'm guessing this is a typo and possibly was meant to say 50uV of which
the XG-1/XG-2 is capable (i.e. -73dBm, as you state).  I've used my XG-1
to do this calibration and had assumed the signal level (at S9) was
adequate.  What say, Eric?

Pete, N3EVL
 

 -Original Message-
 From: [EMAIL PROTECTED] 
 [mailto:[EMAIL PROTECTED] On Behalf Of Van de 
 Velde Eddy
 Sent: Thursday, September 14, 2006 1:49 PM
 To: flexradio@flex-radio.biz
 Subject: [Flexradio] Image Null Calibration.
 
 The maximum output of the Elacraft XG-2 is -73 dBm. The 
 manual of the SDR-1000 requests a signal of -50 dBm for the 
 Automatic calibration of the Image Null. 
 
 Is the -73 dBm of the XG-2 insufficient for a reliable I mage 
 Null Calibration ?
 
 73 Eddy ON5UQ.
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Re: [Flexradio] Image Null Calibration.

2006-09-14 Thread Eric Wachsmann
No typo here.  It is useful to have a stronger signal than -73dBm when doing
the image calibration.  Considering that the noise floor is going to be
around -130dBm, this only gives you a range of about 60dB for a best case
null (because it becomes difficult to null below the noise floor).  Using a
stronger input signal gives a larger image and thus the calibration can more
effectively null the signal further (typically all the way into the noise
floor).


Eric Wachsmann
FlexRadio Systems

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
 radio.biz] On Behalf Of [EMAIL PROTECTED]
 Sent: Thursday, September 14, 2006 1:38 PM
 To: [EMAIL PROTECTED]; flexradio@flex-radio.biz
 Subject: Re: [Flexradio] Image Null Calibration.
 
 I'm guessing this is a typo and possibly was meant to say 50uV of which
 the XG-1/XG-2 is capable (i.e. -73dBm, as you state).  I've used my XG-1
 to do this calibration and had assumed the signal level (at S9) was
 adequate.  What say, Eric?
 
 Pete, N3EVL
 
 
  -Original Message-
  From: [EMAIL PROTECTED]
  [mailto:[EMAIL PROTECTED] On Behalf Of Van de
  Velde Eddy
  Sent: Thursday, September 14, 2006 1:49 PM
  To: flexradio@flex-radio.biz
  Subject: [Flexradio] Image Null Calibration.
 
  The maximum output of the Elacraft XG-2 is -73 dBm. The
  manual of the SDR-1000 requests a signal of -50 dBm for the
  Automatic calibration of the Image Null.
 
  Is the -73 dBm of the XG-2 insufficient for a reliable I mage
  Null Calibration ?
 
  73 Eddy ON5UQ.
  -- next part --
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Re: [Flexradio] Image Null Calibration.

2006-09-14 Thread Tim Ellison
 Eric said:
No typo here.  It is useful to have a stronger signal than -73dBm when
doing the image calibration.  

So anyone have a good recommendation for a stable signal generator that
won't break the bank?

-Tim
---
Integrated Technical Services 

Too much of everything is just enough.
-Rob Barlow

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Eric Wachsmann
Sent: Thursday, September 14, 2006 2:44 PM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED];
flexradio@flex-radio.biz
Subject: Re: [Flexradio] Image Null Calibration.

No typo here.  It is useful to have a stronger signal than -73dBm when
doing the image calibration.  Considering that the noise floor is going
to be around -130dBm, this only gives you a range of about 60dB for a
best case null (because it becomes difficult to null below the noise
floor).  Using a stronger input signal gives a larger image and thus the
calibration can more effectively null the signal further (typically all
the way into the noise floor).


Eric Wachsmann
FlexRadio Systems

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]

 radio.biz] On Behalf Of [EMAIL PROTECTED]
 Sent: Thursday, September 14, 2006 1:38 PM
 To: [EMAIL PROTECTED]; flexradio@flex-radio.biz
 Subject: Re: [Flexradio] Image Null Calibration.
 
 I'm guessing this is a typo and possibly was meant to say 50uV of 
 which the XG-1/XG-2 is capable (i.e. -73dBm, as you state).  I've used

 my XG-1 to do this calibration and had assumed the signal level (at 
 S9) was adequate.  What say, Eric?
 
 Pete, N3EVL
 
 
  -Original Message-
  From: [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED] On Behalf Of Van de Velde 
  Eddy
  Sent: Thursday, September 14, 2006 1:49 PM
  To: flexradio@flex-radio.biz
  Subject: [Flexradio] Image Null Calibration.
 
  The maximum output of the Elacraft XG-2 is -73 dBm. The manual of 
  the SDR-1000 requests a signal of -50 dBm for the Automatic 
  calibration of the Image Null.
 
  Is the -73 dBm of the XG-2 insufficient for a reliable I mage Null 
  Calibration ?
 
  73 Eddy ON5UQ.
  -- next part -- An HTML attachment was 
  scrubbed...
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  http://www.mail-archive.com/flexradio%40flex-radio.biz/
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Re: [Flexradio] Image Null Calibration.

2006-09-14 Thread Ahti Aintila
On 14/09/06, Tim Ellison [EMAIL PROTECTED] wrote:

 So anyone have a good recommendation for a stable signal generator that
 won't break the bank?

 -Tim

Tim,

Why not use  Analog Devices evaluation board for AD9952
http://www.analog.com/en/prod/0,,770_843_AD9952%2C00.html? Does
USD250.00 break the bank?

73, Ahti OH2RZ
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Re: [Flexradio] Image Null Calibration.

2006-09-14 Thread Jim Lux
At 12:02 PM 9/14/2006, Tim Ellison wrote:
  Eric said:
No typo here.  It is useful to have a stronger signal than -73dBm when
doing the image calibration.

So anyone have a good recommendation for a stable signal generator that
won't break the bank?

I assume the Elecraft unit has a pad to get the level down to sub 
nanowatt levels?  Why not remove or change the pads.

There are a fair number of inexpensive quiet oscillators out 
there.  If you aren't concerned about frequency accuracy, then any of 
the inexpensive low jitter clock oscillator modules would work.  You 
can follow it with a pad, a LC BPF, and a pad.  Minicircuits sells 
inexpensive IF filters for, e.g. 10.7 MHz, and they do quite nicely 
for removing harmonics from a 10MHz source.

If you want good frequency accuracy, low phase noise, and a bunch of 
power, what about a 10 MHz OCXO from someone like Wenzel or surplus 
HP/Agilent unit.




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Re: [Flexradio] Image Null Calibration.

2006-09-14 Thread Cecilio Bayona
Tim Ellison wrote:
  Eric said:
 No typo here.  It is useful to have a stronger signal than -73dBm when
 doing the image calibration.  
 
 So anyone have a good recommendation for a stable signal generator that
 won't break the bank?
 
 -Tim
 ---
 Integrated Technical Services 
 
 Too much of everything is just enough.
 -Rob Barlow
 
 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of Eric Wachsmann
 Sent: Thursday, September 14, 2006 2:44 PM
 To: [EMAIL PROTECTED]; [EMAIL PROTECTED];
 flexradio@flex-radio.biz
 Subject: Re: [Flexradio] Image Null Calibration.
 
 No typo here.  It is useful to have a stronger signal than -73dBm when
 doing the image calibration.  Considering that the noise floor is going
 to be around -130dBm, this only gives you a range of about 60dB for a
 best case null (because it becomes difficult to null below the noise
 floor).  Using a stronger input signal gives a larger image and thus the
 calibration can more effectively null the signal further (typically all
 the way into the noise floor).
 
 
 Eric Wachsmann
 FlexRadio Systems
 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
 
 radio.biz] On Behalf Of [EMAIL PROTECTED]
 Sent: Thursday, September 14, 2006 1:38 PM
 To: [EMAIL PROTECTED]; flexradio@flex-radio.biz
 Subject: Re: [Flexradio] Image Null Calibration.

 I'm guessing this is a typo and possibly was meant to say 50uV of 
 which the XG-1/XG-2 is capable (i.e. -73dBm, as you state).  I've used
 
 my XG-1 to do this calibration and had assumed the signal level (at 
 S9) was adequate.  What say, Eric?

 Pete, N3EVL


 -Original Message-
 From: [EMAIL PROTECTED] 
 [mailto:[EMAIL PROTECTED] On Behalf Of Van de Velde 
 Eddy
 Sent: Thursday, September 14, 2006 1:49 PM
 To: flexradio@flex-radio.biz
 Subject: [Flexradio] Image Null Calibration.

 The maximum output of the Elacraft XG-2 is -73 dBm. The manual of 
 the SDR-1000 requests a signal of -50 dBm for the Automatic 
 calibration of the Image Null.

 Is the -73 dBm of the XG-2 insufficient for a reliable I mage Null 
 Calibration ?

 73 Eddy ON5UQ.
 -- next part -- An HTML attachment was 


Use your XG-1 for frequency calibration, but use a transmitter into a 
dummy load for image rejection calibration.
-- 

Cecil
KD5NWA
www.qrpradio.com www.hpsdr.com


Sacred Cows make the best Hamburger!  Don Seglio Batuna


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Re: [Flexradio] Image Null Calibration.

2006-09-14 Thread Tom Thompson
Build a simple crystal or LC oscillator fom the ARRL handbook.

Tom Thompson   W0IVJ

Jim Lux wrote:

At 12:02 PM 9/14/2006, Tim Ellison wrote:
  

 Eric said:
No typo here.  It is useful to have a stronger signal than -73dBm when
doing the image calibration.

So anyone have a good recommendation for a stable signal generator that
won't break the bank?



I assume the Elecraft unit has a pad to get the level down to sub 
nanowatt levels?  Why not remove or change the pads.

There are a fair number of inexpensive quiet oscillators out 
there.  If you aren't concerned about frequency accuracy, then any of 
the inexpensive low jitter clock oscillator modules would work.  You 
can follow it with a pad, a LC BPF, and a pad.  Minicircuits sells 
inexpensive IF filters for, e.g. 10.7 MHz, and they do quite nicely 
for removing harmonics from a 10MHz source.

If you want good frequency accuracy, low phase noise, and a bunch of 
power, what about a 10 MHz OCXO from someone like Wenzel or surplus 
HP/Agilent unit.




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[Flexradio] No TX resolved by 680

2006-09-14 Thread Gary W Strong
Tried alpha release 680 and CAN do transmit again, including Tune.  Don't
know what happened with 676 through 679.  I have a Personus card.
 
Gary AI4IN
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Re: [Flexradio] Image Null Calibration.

2006-09-14 Thread K8MLM
 
I simply used my back-up station transceiver (FT-1000) into the dummy  load 
with the drive cut all the way back.  I also disconnected the antenna  from the 
SDR 1000.  It provided a nice strong stable signal for  calibration.
 
Bob
K8MLM
 
In a message dated 9/14/2006 6:00:50 P.M. Eastern Daylight Time,  
[EMAIL PROTECTED] writes:

Build a  simple crystal or LC oscillator fom the ARRL handbook.

Tom  Thompson   W0IVJ

Jim Lux wrote:

At 12:02 PM  9/14/2006, Tim Ellison wrote:
  

 Eric  said:
No typo here.  It is useful to have a stronger signal  than -73dBm when
doing the image  calibration.

So anyone have a good recommendation for a  stable signal generator that
won't break the  bank?



I assume the  Elecraft unit has a pad to get the level down to sub 
nanowatt  levels?  Why not remove or change the pads.

There are a  fair number of inexpensive quiet oscillators out 
there.  If you  aren't concerned about frequency accuracy, then any of 
the inexpensive  low jitter clock oscillator modules would work.  You 
can follow  it with a pad, a LC BPF, and a pad.  Minicircuits sells  
inexpensive IF filters for, e.g. 10.7 MHz, and they do quite nicely  
for removing harmonics from a 10MHz source.

If you want  good frequency accuracy, low phase noise, and a bunch of 
power, what  about a 10 MHz OCXO from someone like Wenzel or surplus 
HP/Agilent  unit.




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[Flexradio] This Link Correct?

2006-09-14 Thread Scott
Is this the correct link to the SVN Tortouise download?

svn://206.216.146.154/svn/repos_sdr_windows/PowerSDR/trunk/bin/Release 

It does not work for me?

Scott
KQ8RP


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Re: [Flexradio] This Link Correct?

2006-09-14 Thread Tim Ellison
The SVN URL is fine.  What version of the TortoiseSVN client do you have
installed?

-Tim
---
Tim Ellison
Integrated Technical Services


-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Scott
Sent: Thursday, September 14, 2006 10:09 PM
To: Flex Group
Subject: [Flexradio] This Link Correct?

Is this the correct link to the SVN Tortouise download?

svn://206.216.146.154/svn/repos_sdr_windows/PowerSDR/trunk/bin/Release 

It does not work for me?

Scott
KQ8RP


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Re: [Flexradio] This Link Correct?

2006-09-14 Thread Cecil KD5NWA
Below is what I use and it works fine, it looks the same, make sure when
you cut and pasted it that you don't include an extra space.


svn://206.216.146.154/svn/repos_sdr_windows/PowerSDR/trunk/bin/Release


On Thu, 2006-09-14 at 22:09 -0400, Scott wrote:
 Is this the correct link to the SVN Tortouise download?
 
 svn://206.216.146.154/svn/repos_sdr_windows/PowerSDR/trunk/bin/Release 
 
 It does not work for me?
 
 Scott
 KQ8RP
 
 
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Cecil
KD5NWA
www.qrpradio.com www.hpsdr.com

Sacred Cows make the best Hamburger!  Don Seglio Batuna



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[Flexradio] Help - Hardware Guys

2006-09-14 Thread Kevin Hobbs
Hi All;

 

Thanks for all the replies so far with ideas to help to get my receiver SDR
running right.

 

Tonight I had few more spare minutes, so I decided to tear it all apart and
make sure all looked good after shipping. I found one curious concern. On
the SDR-1000RFE v1.4 PCB, I found 2 diodes attached to a trace between K14
and C47 . the other end of both diodes go thru the PCB near T2, but they
aren't soldered top or bottom . the PCB bottom solder mask has been scraped
away where the diode leads thru to the bottom, but no solder. Is this a
factory thing or a mod / upgrade that the previous owner got part way thru?
I do not see these diodes in the RFE schematic? I assume soldering them in
is a good idea? I doubt this is the problem I was looking, but who knows.

 

The oscillator didn't seem to be seated all that well, but I am going to put
the external ref in its place anyway before reassembly.

 

73 de Kevin VE3KH

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Re: [Flexradio] Help - Hardware Guys

2006-09-14 Thread Ahti Aintila
On 15/09/06, Kevin Hobbs [EMAIL PROTECTED] wrote:
 On
 the SDR-1000RFE v1.4 PCB, I found 2 diodes attached to a trace between K14
 and C47 . the other end of both diodes go thru the PCB near T2, but they
 aren't soldered top or bottom . the PCB bottom solder mask has been scraped
 away where the diode leads thru to the bottom, but no solder. Is this a
 factory thing or a mod / upgrade that the previous owner got part way thru?
 I do not see these diodes in the RFE schematic? I assume soldering them in
 is a good idea? I doubt this is the problem I was looking, but who knows.

Kevin,

It seems to me that the previous owner has not done the modification
properly. The diodes before the RX preamplifier should clip any high
voltage spikes before they damage the sensitive amplifier. See the
Engineering Change Order (ECO-001):
http://www.flex-radio.com/Download/Hardware%20Documentation/ECO/ECO001%20RFE%20Input%20Protection.pdf

Good luck and 73,
Ahti OH2RZ

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