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Re: Scheduled Recordings

Simon HB9DRV <simon@...>
 

:) any areas you would like a spec. for?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Robin Thompson
 

Looks pretty comprehensive me to Simon.

 
Re: Scheduled Recordings

Simon HB9DRV <simon@...>
 

Hi,

 

All understood:

 

·        At the moment the filename is predefined by me, the folder can be user-defined and if it doesn't exist then there's a fall-back folder.

·        File chaining - there's a maximum .WAV file size of 2GB, also using many smaller files is good in case of a computer crash, software crash or disk corruption :)

·        2MHz is now working @ 16 bit sample rate: http://www.sdr-radio.com/News/tabid/185/EntryId/41/SDR-IP-and-2MHz-Sample-Rate.aspx

·        I am working on ICOM integration, with luck available end of next week.

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of rfnoise
Sent: 09 June 2010 21:36
To: sdr-radio-com@...
Subject: Re: [sdr-radio-com] Scheduled Recordings

 

 

Simon,

 

Excellent work!

 

Perhaps this is already done and just not obvious from your teaser screenshots but having the ability to specify filename, location and optionally, frequency and time-stamping would be great. Ideally there would be no need for file chaining (as SVue requires today unless you mod the ini).

 

Also, since I use scheduled recordings regularly with SVue and my SDR-IP it would be of great interest to also have 2 MHz BW capability (at least for IQ local network capture) and of course external radio support for IC-R9500 and R8500). 

 

That's all I can think of right now.

 

Joe

k6sat

 

On Jun 9, 2010, at 12:08 PM, Simon HB9DRV wrote:



 

 

Hi All,

 

For a major user of SDR radios I have added advanced scheduled recordings to the SDR-RADIO.com console.

 

http://www.sdr-radio.com/Specification/Recording.aspx

 

What have I forgotten? What do you need - professional and / or amateur users?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

 

 
Re: Scheduled Recordings

Simon HB9DRV <simon@...>
 

Hi Robin,

 

No spec. yet - apart from the recordings I'm working on the External Radio integration and endless user wishes.

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Robin Thompson
Sent: 09 June 2010 21:25
To: sdr-radio-com@...
Subject: RE: [sdr-radio-com] Scheduled Recordings

 

 

Looks pretty comprehensive me to Simon.

 

Is there a published spec for the rest of the current kit ?

 

Robin

G3TKF

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Simon HB9DRV
Sent: 09 June 2010 20:09
To: sdr-radio-com@...; SDR-IQ@...
Subject: [sdr-radio-com] Scheduled Recordings

 

 

Hi All,

 

For a major user of SDR radios I have added advanced scheduled recordings to the SDR-RADIO.com console.

 

http://www.sdr-radio.com/Specification/Recording.aspx

 

What have I forgotten? What do you need - professional and / or amateur users?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

 
Re: Scheduled Recordings

rfnoise <rfnoise@...>
 

Simon,

Excellent work!

Perhaps this is already done and just not obvious from your teaser screenshots but having the ability to specify filename, location and optionally, frequency and time-stamping would be great. Ideally there would be no need for file chaining (as SVue requires today unless you mod the ini).

Also, since I use scheduled recordings regularly with SVue and my SDR-IP it would be of great interest to also have 2 MHz BW capability (at least for IQ local network capture) and of course external radio support for IC-R9500 and R8500). 

That's all I can think of right now.

Joe
k6sat
 

On Jun 9, 2010, at 12:08 PM, Simon HB9DRV wrote:

 

Hi All,

 

For a major user of SDR radios I have added advanced scheduled recordings to the SDR-RADIO.com console.

 

http://www.sdr-radio.com/Specification/Recording.aspx

 

What have I forgotten? What do you need - professional and / or amateur users?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 
Re: Scheduled Recordings

Robin Thompson
 

Looks pretty comprehensive me to Simon.

 

Is there a published spec for the rest of the current kit ?

 

Robin

G3TKF

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Simon HB9DRV
Sent: 09 June 2010 20:09
To: sdr-radio-com@...; SDR-IQ@...
Subject: [sdr-radio-com] Scheduled Recordings

 

 

Hi All,

 

For a major user of SDR radios I have added advanced scheduled recordings to the SDR-RADIO.com console.

 

http://www.sdr-radio.com/Specification/Recording.aspx

 

What have I forgotten? What do you need - professional and / or amateur users?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 
Scheduled Recordings

Simon HB9DRV <simon@...>
 

Hi All,

 

For a major user of SDR radios I have added advanced scheduled recordings to the SDR-RADIO.com console.

 

http://www.sdr-radio.com/Specification/Recording.aspx

 

What have I forgotten? What do you need - professional and / or amateur users?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 
Re: NEW BETA - ICOM RADIO SUPPORT?

Simon HB9DRV <simon@...>
 

Hi,

 

Not the first beta - my IC-703 has stopped working via the serial port :(

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Chris
Sent: 05 June 2010 19:03
To: sdr-radio-com@...
Subject: [sdr-radio-com] NEW BETA - ICOM RADIO SUPPORT?

 

 

Hi Simon,

Just wondering if the upcoming Beta will support any Icom radios on the non SDR side?

73, Chris ZL1BOE
Re: SDR cope up-load

jmiles56@sbcglobal.net <jmiles56@...>
 

Hi n4ctf
It goes on the status tab of the sdr-radio server. There is a field on that tab to put the code in. The Sdr console itself does not have to be running.

Jim

--- In sdr-radio-com@..., "n4ctf" <n4ctf@...> wrote:

I have the program, am registered and have the up-load code. Where do I enter this code? I see where it says to place this code in the status box of the on-line radio, but where is this box? Am I missing something? Out in left field? Help please!
NEW BETA - ICOM RADIO SUPPORT?

Chris
 

Hi Simon,

Just wondering if the upcoming Beta will support any Icom radios on the non SDR side?

73, Chris ZL1BOE
SDR cope up-load

n4ctf <n4ctf@...>
 

I have the program, am registered and have the up-load code. Where do I enter this code? I see where it says to place this code in the status box of the on-line radio, but where is this box? Am I missing something? Out in left field? Help please!
Re: FIR Filters

Simon HB9DRV <simon@...>
 

Matlab?

I use my own code inside the software.

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of jdami123
Sent: 05 June 2010 08:01
To: sdr-radio-com@...
Subject: [sdr-radio-com] FIR Filters

 

 

Someone just asked me for help on this:

"I need a program to calculate FIR filter coefficients. I've used the "fisher" filter web based designer for raised cosine filters. It does not seem to work well for LTR."

Any suggestions, please?

Thanks!

-rb-
FIR Filters

jdami123
 

Someone just asked me for help on this:

"I need a program to calculate FIR filter coefficients. I've used the "fisher" filter web based designer for raised cosine filters. It does not seem to work well for LTR."

Any suggestions, please?

Thanks!

-rb-
Re: 2MHz Bandwidth with SDR-IP

John T. Fleming
 

SAM is synchronous AM detection.

 

73,

John

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Robin Thompson
Sent: Thursday, June 03, 2010 6:18 PM
To: sdr-radio-com@...
Subject: RE: [sdr-radio-com] 2MHz Bandwidth with SDR-IP

 

 

Amazing …

And what is SAM ?  (or did I miss something?)

 

Robin

G3TKF
Re: 2MHz Bandwidth with SDR-IP

Robin Thompson
 

Amazing …

And what is SAM ?  (or did I miss something?)

 

Robin

G3TKF

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Simon HB9DRV
Sent: 03 June 2010 21:47
To: sdr-radio-com@...
Subject: RE: [sdr-radio-com] 2MHz Bandwidth with SDR-IP

 

 

Ah,

 

In case you can't see the pic here it is (I hope):

 

http://www.sdr-radio.com/LinkClick.aspx?fileticket=TU9Ob0_OqlU%3d&tabid=185

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Simon HB9DRV
Sent: 03 June 2010 21:58
To: sdr-radio-com@...
Subject: [sdr-radio-com] 2MHz Bandwidth with SDR-IP

 

 

Using the amazing SDR-IP, here's a screenshot with 2MHz bandwidth.

 

http://groups.yahoo.com/group/sdr-radio-com/photos/album/1352727940/pic/1800765392/view?picmode=large&mode=tn&order=ordinal&start=1&dir=asc

 

http://tinyurl.com/38g9a9y

 

Simon Brown, HB9DRV

http://sdr-radio.com

 
Re: 2MHz Bandwidth with SDR-IP

Simon HB9DRV <simon@...>
 

Ah,

 

In case you can't see the pic here it is (I hope):

 

http://www.sdr-radio.com/LinkClick.aspx?fileticket=TU9Ob0_OqlU%3d&tabid=185

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Simon HB9DRV
Sent: 03 June 2010 21:58
To: sdr-radio-com@...
Subject: [sdr-radio-com] 2MHz Bandwidth with SDR-IP

 

 

Using the amazing SDR-IP, here's a screenshot with 2MHz bandwidth.

 

http://groups.yahoo.com/group/sdr-radio-com/photos/album/1352727940/pic/1800765392/view?picmode=large&mode=tn&order=ordinal&start=1&dir=asc

 

http://tinyurl.com/38g9a9y

 

Simon Brown, HB9DRV

http://sdr-radio.com

 
Re: 2MHz Bandwidth with SDR-IP

jmiles56@sbcglobal.net <jmiles56@...>
 

Looks good! I'll just have to live with the IQ for now though.

Jim

--- In sdr-radio-com@..., "Simon HB9DRV" <simon@...> wrote:

Using the amazing SDR-IP, here's a screenshot with 2MHz bandwidth.



http://groups.yahoo.com/group/sdr-radio-com/photos/album/1352727940/pic/1800
765392/view?picmode=large&mode=tn&order=ordinal&start=1&dir=asc



http://tinyurl.com/38g9a9y



Simon Brown, HB9DRV

http://sdr-radio.com
2MHz Bandwidth with SDR-IP

Simon HB9DRV <simon@...>
 

Using the amazing SDR-IP, here's a screenshot with 2MHz bandwidth.

 

http://groups.yahoo.com/group/sdr-radio-com/photos/album/1352727940/pic/1800765392/view?picmode=large&mode=tn&order=ordinal&start=1&dir=asc

 

http://tinyurl.com/38g9a9y

 

Simon Brown, HB9DRV

http://sdr-radio.com

 
FW: [SDR-IQ] SDR-IQ for sale (EU)

Simon HB9DRV <simon@...>
 

FYI - from the SDR-IQ list. His e-mail is rbajuk at gmail dotty com

Simon Brown, HB9DRV
http://sdr-radio.com

-----Original Message-----
From: SDR-IQ@... [mailto:SDR-IQ@...] On Behalf
Of Robert Bajuk
Sent: 02 June 2010 22:38
To: SDR-IQ@...
Subject: [SDR-IQ] SDR-IQ for sale (EU)

RF Space SDR-IQ Serial #IJS001808 for sale. I bought this in January
2010 from Scanner Master in USA, played very little with it and
decided I do not need another SDR, HI

Excellent condition both functionally and cosmetically. Includes
everything what comes with a new package in original box. Paypal or
money transfer is OK.

EU customers desirable, an easy job, no customs and additional fees.

Will sell it for 400 EUR incl. shipping within EU, I will accept other
offers off the list

73 Robert, S57AW


------------------------------------

Yahoo! Groups Links
Re: Softrock Image rejection build 277

Dom Baines M1KTA
 

Further.... from a note/thread on the Softrock40 group so I do not claim to be the originator of the idea...

I investigated a bit more and at work I have a simple Softrock V9.0 and simple a wire antenna I can hang out of a window. The current  Rocky 3.6 install (I have a number of SDR programs installed not just SDR-Radio) when configured forIQ balance auto-collect  the software holds the data in a file in the C:\Program Files (x86)\Afreet\Rocky\Bal folder  starting 'IQBalance this contains the values for the gain and phase for each centre frequency Rocky was used with, for this installation and setup. These numbers do alter slightly as the SDR and Rocky are left running. If you change the sound card leads the numbers can change.

This is how on a restart Rocky will appear, if nothing else has changed to automatically have done the IQ balance every time.

If you use  a Softrock for TX too there is another file TxBalance.ini that contains the TX phase data as well.

I might look at the data and see if it corresponds with the phase and balance with the SDR-Radio too.

72

Dom
M1KTA


From: Dominic Baines
To: sdr-radio-com@...
Sent: Wed, 2 June, 2010 13:00:51
Subject: Re: [sdr-radio-com] Softrock Image rejection build 277

 

Hi Simon et al...

Apologies been out of contact as leaving current job soon and daytime access is now severely restricted.
I'll be on Skype in shack tonight and tomorrow night.

I am melting solder on a MOBO V4.3 and Si570/SR V6.3 setup, with 4x20 LCD etc for you and will have that with me when visit just before Friedrishafen 2010 so you'll have that for Softrock TX development end June.

The image rejection issue...
As you know Rocky software etc does this as an 'in band' calculation sampling all the strong stations in the current IQ bandwidth so the image rejection gets better the longer the SDR is on the air. Which is what was implemented in the link you mention. By altering the phase and amplitude with SDR-Radio you can deal with image rejection for one specific hardware set up as we have already tested and that will reduce by 30dB any images but this is not always consistent when frequency changes (especially to another band). The same effect occurs with Rocky if you change frequency as well. The Genesis SDR radios have an interesting image rejection method that balances the I & Q signals through the RX op amps.

As the problem is Softrock specific it might be worth suggesting this is worth studying:
http://www.wb5rvz.com/sdr/RXTX_V6_3/image_rejection_hints.htm

A lot of image problems can be attributed to poor connections/constructions resulting in an imbalance in the IQ, poor leads and sockets can also be an issue. I have a couple audio leads with a 'ring' where the sockets have scored them.

The loosing USB connection during the process I have not seen yet. Loosing connection to a Softrock V9.0 seems to be an issue with the libusb driver & AVR Softrocks all seem to 'do this' from time to time if using Vista but not with XP, especially if anything changes on the USB bus (e.g. plug in a USB pen, or a USB drive goes to sleep). The radio will seem to work, then change bands and the radio carries on but the frequency hasn't changed.... I had not looked at this exhaustively yet so time to test needed. This does happen more often if the USB port is not a powered hub or a direct connection. I will have V9.0 and an Ensemble RXTX up on 40m and 80m.

72

Dom
M1KTA

>
>From: Simon HB9DRV <simon@...>
>To: sdr-radio-com@...
>Sent: Wed, 2 June, 2010 11:18:21
>Subject: RE: [sdr-radio-com] Softrock Image rejection build 277
>
> >
>>
>
>>
>
>
>
>
>>
>Hi Alan,
>
>I haven't really got the soundcard image rejection working too
>well. I'll be working with Dom M1KTA very soon and together we'll get it sorted
>out. I now have a SoftRock v9.0 and the Cross Country Wireless SDR so have all
>I need for testing.
>
>I am surprised that you lose USB control - I assume this is the
>Si570 chip? I can test this myself, let me know if this is what you mean by USB
>control please.
>
>There's some excellent theory in Rocky http://www.dxatlas. com/Rocky/ Advanced. asp >which I must implement.
>
>>
>Simon Brown, HB9DRV
>http://sdr-radio. com
Re: Softrock Image rejection build 277

Alan <alan4alan@...>
 

----- Original Message -----
From: "Dominic Baines"Subject: Re: [sdr-radio-com] Softrock Image rejection build 277



The image rejection issue...
By altering the phase and amplitude with SDR-Radio you can deal with image rejection for one specific hardware set up as we have already tested and that will reduce by 30dB any images but this is not always consistent when frequency changes (especially to another band).

I understand that the greatest variable is with audio frequency, Christo's Power SDR-IQ gets over this by continually tuning the Si570 so there is a constant IF, 9KHz above centre is his default. The hardware setup seems to include the antenna, changes certainly make small differences to a carefully adjusted system.


As the problem is Softrock specific
Is it Softrock specific? It seems to me any system like it needs compensation.

it might be worth suggesting this is worth studying:
http://www.wb5rvz.com/sdr/RXTX_V6_3/image_rejection_hints.htm
Once a Softrock is properly built it will have a hardware rejection on the order of 30dB, possibly less on the higher bands. Another kit trims the audio to make it slightly better.

The loosing USB connection during the process I have not seen yet. Loosing connection to a Softrock V9.0 seems to be an issue with the libusb driver & AVR Softrocks all seem to 'do this' from time to time if using Vista but not with XP, especially if anything changes on the USB bus (e.g. plug in a USB pen, or a USB drive goes to sleep).
Well my system is XP. Plugging in my weather station is guaranteed to disable it. Other times it just looses connection. Maybe once or twice a day on average. I have been using the SDR-Radio server for a month or more with a counter on the Softrock so I notice it is not changing. I do not know how my system compares with others.

Incidentally does the "web on HRDLOG.net" ever work ? I see others try, it makes a few wavery woo-oos and usually disconnects in less than a minute. I've never been able to use it to listen.

73 Alan G4ZFQ
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