Date   

Re: Scheduled Recordings

Simon HB9DRV <simon@...>
 

Hi,

 

So 12kHz bandwidth = 6kHz Audio, will do.

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Mike
Sent: 10 June 2010 13:32
To: sdr-radio-com@...
Subject: RE: [sdr-radio-com] Scheduled Recordings

 

 

Simon:

 

I’d like to see variable badwidth on AM to 12 kHz. 4, 5, even 6 sounds tinny on local strong stations.  4 is fine for DX but not for armchair listening.

 

Friendly Regards,

 

Mike

 

Mike Gilchrist

Disruptive Technologist

Advanced Wireless Express


From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Robin Thompson
Sent: Thursday, June 10, 2010 6:20 AM
To: sdr-radio-com@...
Subject: RE: [sdr-radio-com] Scheduled Recordings

 

 

Re FM (Broadcast) well 15Khz is the upper audio limit (due to the 19Khz pilot tone filtering)

 

Due to channel spacing  (9Khz in Europe - 10Khz in US ?) 4.5/ 5Khz audio max.

But on SW where channel spacing is less , the same max audio frequency still tends to be applied, interference being minimised by not using the channel next to another strong signal !

 

DAB uses 48 or 24Khz sampling and so can in theory carry up to 22Khz or 11Khz

 

I can find out about DRM – but not too sure at present

 

73

Robin

G3TKF

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Simon HB9DRV
Sent: 10 June 2010 09:23
To: sdr-radio-com@...
Subject: RE: [sdr-radio-com] Scheduled Recordings

 

 

Hi,

 

What's the maximum audio frequency in AM transmissions?

 

What's the maximum audio frequency in FM transmissions?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of David Messing
Sent: 10 June 2010 00:45
To: sdr-radio-com@...
Subject: Re: [sdr-radio-com] Scheduled Recordings

 

 

Yes,  

 

open the bandwidth for AM....

 

Have the Frequency Spectrum Display in sync with the audio, it is delayed about a second from what comes out the speaker.

 

Dave

K0RWM

On Wed, Jun 9, 2010 at 2:08 PM, Simon HB9DRV <simon@...> 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

Mike
 

Simon:

 

I’d like to see variable badwidth on AM to 12 kHz. 4, 5, even 6 sounds tinny on local strong stations.  4 is fine for DX but not for armchair listening.

 

Friendly Regards,

 

Mike

 

Mike Gilchrist

Disruptive Technologist

Advanced Wireless Express


From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Robin Thompson
Sent: Thursday, June 10, 2010 6:20 AM
To: sdr-radio-com@...
Subject: RE: [sdr-radio-com] Scheduled Recordings

 

 

Re FM (Broadcast) well 15Khz is the upper audio limit (due to the 19Khz pilot tone filtering)

 

Due to channel spacing  (9Khz in Europe - 10Khz in US ?) 4.5/ 5Khz audio max.

But on SW where channel spacing is less , the same max audio frequency still tends to be applied, interference being minimised by not using the channel next to another strong signal !

 

DAB uses 48 or 24Khz sampling and so can in theory carry up to 22Khz or 11Khz

 

I can find out about DRM – but not too sure at present

 

73

Robin

G3TKF

 

From: sdr-radio-com@yahoogroups.com [mailto:sdr-radio-com@yahoogroups.com] On Behalf Of Simon HB9DRV
Sent: 10 June 2010 09:23
To: sdr-radio-com@yahoogroups.com
Subject: RE: [sdr-radio-com] Scheduled Recordings

 

 

Hi,

 

What's the maximum audio frequency in AM transmissions?

 

What's the maximum audio frequency in FM transmissions?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@yahoogroups.com [mailto:sdr-radio-com@yahoogroups.com] On Behalf Of David Messing
Sent: 10 June 2010 00:45
To: sdr-radio-com@yahoogroups.com
Subject: Re: [sdr-radio-com] Scheduled Recordings

 

 

Yes,  

 

open the bandwidth for AM....

 

Have the Frequency Spectrum Display in sync with the audio, it is delayed about a second from what comes out the speaker.

 

Dave

K0RWM

On Wed, Jun 9, 2010 at 2:08 PM, Simon HB9DRV <simon@hb9drv.ch> 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
 

Re FM (Broadcast) well 15Khz is the upper audio limit (due to the 19Khz pilot tone filtering)

 

Due to channel spacing  (9Khz in Europe - 10Khz in US ?) 4.5/ 5Khz audio max.

But on SW where channel spacing is less , the same max audio frequency still tends to be applied, interference being minimised by not using the channel next to another strong signal !

 

DAB uses 48 or 24Khz sampling and so can in theory carry up to 22Khz or 11Khz

 

I can find out about DRM – but not too sure at present

 

73

Robin

G3TKF

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of Simon HB9DRV
Sent: 10 June 2010 09:23
To: sdr-radio-com@...
Subject: RE: [sdr-radio-com] Scheduled Recordings

 

 

Hi,

 

What's the maximum audio frequency in AM transmissions?

 

What's the maximum audio frequency in FM transmissions?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of David Messing
Sent: 10 June 2010 00:45
To: sdr-radio-com@...
Subject: Re: [sdr-radio-com] Scheduled Recordings

 

 

Yes,  

 

open the bandwidth for AM....

 

Have the Frequency Spectrum Display in sync with the audio, it is delayed about a second from what comes out the speaker.

 

Dave

K0RWM

On Wed, Jun 9, 2010 at 2:08 PM, Simon HB9DRV <simon@...> 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

Mark &#92;(G4PCS&#92;) <g4pcs@...>
 

Hi Simon,

Can I request that a scheduled recording leaves the SDR running when the recording period ends, or at least an option is provided for this? A more general alternative might be to restore the SDR to the state it was in before the scheduled recording started, or perhaps to a pre-defined user state.

A rather more dangerous request... How about an option to delete all files in the record file destination directory before recording starts, perhaps per-schedule rather than as a global setting?

Regards, Mark G4PCS


From: Simon HB9DRV
To: sdr-radio-com@...; SDR-IQ@...
Sent: Wednesday, 9 June, 2010 20:08:58
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

EB4APL <eb4apl@...>
 

Simon, thaks to the SDR panadapters I see that MW stations uses up to 10 KHz (20 KHz AM spectrum).  I've seen some powerful HF stations occuping betwenn 16-20 Khz.
In FM broadcasting the standard is 300 KHz channel spectrum, if my memory doesn´t fails me.  The audio BW is around 12-15 Khz.
Probably there are some broadcast engineers here that can speak more properly than me about the standards and how well they are followed.

73 de Ignacio, EB4APL
---------------------------------------------------
Simon HB9DRV wrote:
 

Hi,

 

What's the maximum audio frequency in AM transmissions?

 

What's the maximum audio frequency in FM transmissions?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@yahoogroups.com [mailto:sdr-radio-com@yahoogroups.com] On Behalf Of David Messing
Sent: 10 June 2010 00:45
To: sdr-radio-com@yahoogroups.com
Subject: Re: [sdr-radio-com] Scheduled Recordings

 

 

Yes,  

 

open the bandwidth for AM....

 

Have the Frequency Spectrum Display in sync with the audio, it is delayed about a second from what comes out the speaker.

 

Dave

K0RWM

On Wed, Jun 9, 2010 at 2:08 PM, Simon HB9DRV <simon@hb9drv.ch> 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,

 

What's the maximum audio frequency in AM transmissions?

 

What's the maximum audio frequency in FM transmissions?

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of David Messing
Sent: 10 June 2010 00:45
To: sdr-radio-com@...
Subject: Re: [sdr-radio-com] Scheduled Recordings

 

 

Yes,  

 

open the bandwidth for AM....

 

Have the Frequency Spectrum Display in sync with the audio, it is delayed about a second from what comes out the speaker.

 

Dave

K0RWM

On Wed, Jun 9, 2010 at 2:08 PM, Simon HB9DRV <simon@...> 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,

 

Sure - this is my latency issue which I'll attack as soon as I get time, must attack when I start adding TX support to the console.

 

Simon Brown, HB9DRV

http://sdr-radio.com

 

From: sdr-radio-com@... [mailto:sdr-radio-com@...] On Behalf Of David Messing
Sent: 10 June 2010 00:45
To: sdr-radio-com@...
Subject: Re: [sdr-radio-com] Scheduled Recordings

 

 

Yes,  

 

open the bandwidth for AM....

 

Have the Frequency Spectrum Display in sync with the audio, it is delayed about a second from what comes out the speaker.

 

Dave

K0RWM

On Wed, Jun 9, 2010 at 2:08 PM, Simon HB9DRV <simon@...> 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

Ken , VK7KRJ <vk7krj@...>
 

The ability to remember the console settings from one session to the next?

On 2010-06-10 05:08, 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
-
Cheers, Ken
vk7krj@...
www.vk7krj.com

'It seems hard to sneak a look at God's cards. But that He plays dice and uses
"telepathic" methods .... is something that I cannot believe for a single
moment.' (Einstein's famous quote on Quantum theory)


Re: Scheduled Recordings

davidjmessing
 

Yes,  

open the bandwidth for AM....

Have the Frequency Spectrum Display in sync with the audio, it is delayed about a second from what comes out the speaker.

Dave
K0RWM


On Wed, Jun 9, 2010 at 2:08 PM, Simon HB9DRV <simon@...> 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@...>
 

:) 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-