Date   

Re: Distorted audio after changing frequencies

k6msm@...
 

Thanks, Simon.

Some additional comments.

  1. The breaks in the waterfall are from changing frequencies and changing back.  So that's ok, but the problem occurs about 50% of the time when I change frequencies.
  2. It happens on Narrow FM as well.  See attached.
Does it not like Jabra headsets (even though it's ok for everything else on this computer).  I tried updating the driver, but Windows said there isn't one and I didn't find one.

Mike
K6MSM


Re: World Map 1.0.6

 

SUPER!!
Thank you
----------------------
73 de Max, N5NHJ (I8NHJ)

Tuesday, September 25, 2018, 8:06:15 PM, you wrote:

Hi,
 
1.0.6 now available: https://www.dit-dit-dit.com/Products/WorldMap
 
Added more built-in maps: Black Marble, Night LightsFixed small A,K
decoding issue (still using DGD data)Default A,K source set to
WWVAdded direct display of Geomagnetic, Solar and WWV data to Space
WeatherCustom time zone supportHome icon now supported – just look at the options on the home option
 
Simon Brown, G4ELI
www.sdr-radio.com


Re: bladeRF 2.0 In Action

k6msm@...
 

Yeah, it needs filtering alright.  It has the same problems as the Limes with 700MHz LTE.  Europe & The UK don't have that yet, right?  (700 MHz LTE)

1/5th and 1/7th are strong here, but then this is on a TV UHF antenna that's great for 700MHz, while receiving VHF signals, which doesn't help, I'm sure.

I will do more testing, but I bought it for higher frequencies anyway.  I also haven't tried it with the LNA yet.

Mike
K6MSM


World Map 1.0.6

Simon Brown
 

Hi,

 

1.0.6 now available: https://www.dit-dit-dit.com/Products/WorldMap

 

  • Added more built-in maps: Black Marble, Night Lights
  • Fixed small A,K decoding issue (still using DGD data)
  • Default A,K source set to WWV
  • Added direct display of Geomagnetic, Solar and WWV data to Space Weather
  • Custom time zone support
  • Home icon now supported – just look at the options on the home option

 

Simon Brown, G4ELI
www.sdr-radio.com

 

 


Re: USRP usb 200

rock
 

not the mini the full B200 what is needed to use this with SDR V3 ? does it recognize it in the dropdown list for radios ?


Re: USRP usb 200

rock
 

want to use it for birds in the upper bands GEOS, 2.4 moon birds and so on.i want the capability of going to 6ghz and or beyond.


Re: High CPU usage when AirspyHF+ is used as server

Leif Asbrink
 

Hello Kriss,

I suggest you install SDR# and the latest dll with it.
Also upgrade the HF+ firmware to the latest.

The latest SDR# has parameters in SDRSharp.exe.Config
that allow you to change the cpu load caused by the dll.

To start with, change
<add key="airspyhf.libdsp" value="1" />
to
<add key="airspyhf.libdsp" value="0" />

This will disable the mirror image cancellation
and show how much cpu load everything else is causing.

In case you see a significant change, you can make
the IQ balancer slower by changing these:
<add key="airspyhf.iqBalancer.buffersToSkip" value="1" />
<add key="airspyhf.iqBalancer.fftIntegration" value="4" />
<add key="airspyhf.iqBalancer.fftOverlap" value="2" />
<add key="airspyhf.iqBalancer.correlationIntegration" value="16" />

Maybe something like this:
<add key="airspyhf.iqBalancer.buffersToSkip" value="2" />
<add key="airspyhf.iqBalancer.fftIntegration" value="2" />
<add key="airspyhf.iqBalancer.fftOverlap" value="1" />
<add key="airspyhf.iqBalancer.correlationIntegration" value="16" />

The load caused by the IQ balancing should decrease by a factor of 4.

In case this helps, Simon can implement calls to the new functions
in the airspyhf API to allow the user to set his preferred values.

73

Leif

I'm creating a 'new' thread to see what other server system operators see when a user operates their AirspyHF+ acting as a server. The high CPU load causes the audio and waterfall to stutter at any bandwidth. The same computer runs an SDR-iq at 192kHz with no issues at all, excellent audio/waterfall.
Anybody else with similar issues, please add here to this thread. Simon is aware per another thread about the AirspyHF+, but we should have a separate thread.

Please include the following:
1) Computer used
2) CPU load as shown on the Server Service "Service" tab while in use.

1) My setup is a Windows 7 Starter SP1 32bit Acer Netbook 2G RAM. This little netbook runs two radios, an AirspyHF+ and an SDR-iq as a V3 1234 build server.

2) CPU load when AirspyHF+ is in use is 51% versus only 1% for the SDR-iq 

AirspyHF+:

SDR-iq:

My home built W7 Desktop 64Bit machine runs the AirspyHF+ just fine, so something with W7 Starter or driver update to AirspyHF+.

73 Kriss KA1GJU



Re: World Map

Gary <gghiggs@...>
 

My bad…..I see that feature is already included.

 

ggh

 

 

 

Sent from Mail for Windows 10

Gary Higgs

1617 Briar Run

Benbrook, TX 76126

817-247-1612

 

 

 

 

 

From: Gary
Sent: Tuesday, September 25, 2018 11:28
To: main@SDR-Radio.groups.io
Subject: [SDR-Radio] World Map

 

Another nice feature would be the ability to point with the mouse cursor and have it display the time at the point of interest……

 

Gary, W5GGH

 

 

 

Sent from Mail for Windows 10

Gary Higgs

1617 Briar Run

Benbrook, TX 76126

817-247-1612

 

 

 

 

 

 


Re: Windows 10 release 1803 (build 17134.285); fatal DPC Latency problems. Issue with Sept MS Win10 update?

Cormac, EI4HQ
 

Stu,

Thanks for the suggestions. A few already tried, however many not so I'll get stuck into those new ones...

BR

C. EI4HQ


World Map

Gary <gghiggs@...>
 

Another nice feature would be the ability to point with the mouse cursor and have it display the time at the point of interest……

 

Gary, W5GGH

 

 

 

Sent from Mail for Windows 10

Gary Higgs

1617 Briar Run

Benbrook, TX 76126

817-247-1612

 

 

 

 

 


Re: World Map v1.0.5

Simon Brown
 

Nope,

 

It’s a Firewall blocking FTP access from the program. 1.0.6 may be better, hope to show it off later this evening.

 

Simon Brown, G4ELI
www.sdr-radio.com

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of Brendan Wahl
Sent: 25 September 2018 16:24
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] World Map v1.0.5

 

Good afternoon, Simon.

My continued thanks for your new World Map program - it keeps getting better!
My only issue: the Solar Weather indices window doesn't work. I only have -1 for data showing in all entries, and 'Refresh' does nothing. I did not have any pop-ups for permissions, so nothing there. I did un-install and re-install, but no change. As usual, it's probably the operator, yes?
Help!
Brendan WA7HL


Re: World Map v1.0.5

Brendan Wahl
 

Good afternoon, Simon.

My continued thanks for your new World Map program - it keeps getting better!
My only issue: the Solar Weather indices window doesn't work. I only have -1 for data showing in all entries, and 'Refresh' does nothing. I did not have any pop-ups for permissions, so nothing there. I did un-install and re-install, but no change. As usual, it's probably the operator, yes?
Help!
Brendan WA7HL


Re: HackRF TX support with V3 of SDR Console

Simon Brown
 

Hi,

 

I never had a beta – I got it working for myself but must sort out a bug before I make it available. Of source, once that bug’s fixed others will come and bite me on the behind 😊 .

 

Simon Brown, G4ELI
www.sdr-radio.com

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of KG7SWP via Groups.Io
Sent: 25 September 2018 13:32
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] HackRF TX support with V3 of SDR Console

 

Simon, is there a version that will allow the Lime SDR UsB to transmit? I remember you had a Beta, but I never got to try it. Willing to roll back firmware to try.
I have 2- Lime SDR USBs & 3 computers to test on.

Ed


Re: HackRF TX support with V3 of SDR Console

KG7SWP@...
 

Simon, is there a version that will allow the Lime SDR UsB to transmit? I remember you had a Beta, but I never got to try it. Willing to roll back firmware to try.
I have 2- Lime SDR USBs & 3 computers to test on.

Ed


Re: Distorted audio after changing frequencies

Simon Brown
 

Mike,

 

That really helps.

 

  1. I see the bandwidth is 125kHz, what’s happening inside is the code is upsampling twice to 500 kHz so it can then demodulate using 350kHz. This upsampling should not be a problem.
  2. At 125kHz you will may be using more network bandwidth than the server can stream reliably.
  3. I see breaks in the waterfall, this is probably related to your issue. I’ll get to this soon.

 

Simon Brown, G4ELI
www.sdr-radio.com

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of k6msm@...
Sent: 25 September 2018 01:23
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] Distorted audio after changing frequencies

 

Hi Simon,

I use portrait mode at work, normally.  Here's a widescreen cap.  If you mean something else, let me know.

Thanks,

Mike
K6MSM


Re: Distorted audio after changing frequencies

k6msm@...
 

Hi Simon,

I use portrait mode at work, normally.  Here's a widescreen cap.  If you mean something else, let me know.

Thanks,

Mike
K6MSM


Re: USRP usb 200

Ryan Butler
 

Do you mean the b200 or b200mini?  The b200mini works fine, it's the main SDR I use with v3.


On Sat, Sep 22, 2018 at 10:32 AM rock <w2rtv@...> wrote:
hello simon,
i see on one of your web pages you supported at one time this unit..i am very interested in purchasing one of these units..does SDRV3 work with this unit ?
thanks
Rocco
W2RTV


Re: Distorted audio after changing frequencies

Simon Brown
 

Please attach a *full screen* screenshot.

 

Simon Brown, G4ELI
www.sdr-radio.com

 

 

From: main@SDR-Radio.groups.io <main@SDR-Radio.groups.io> On Behalf Of k6msm@...
Sent: 24 September 2018 16:55
To: main@SDR-Radio.groups.io
Subject: Re: [SDR-Radio] Distorted audio after changing frequencies

 

I loaded the newest version and it didn't help.

Here's another cap and the log file.

Thanks

Mike
K6MSM


Re: Windows 10 release 1803 (build 17134.285); fatal DPC Latency problems. Issue with Sept MS Win10 update?

Stu C <stu@...>
 

Some things you could try (document changes)
Update Bios
    (assuming you can get that little case open)
Reseat cards, RAM especially, but anything that is moveable.
Check Heat sinks are solid and seated (check if the stutter is the same from cold - leave it off for a while)
Check CPU is not on some dynamic overclocking controlled by an installed app, for a test fix the frequency
Look at speed step (or anything else that dynamically changes the CPU)
Disconnect and reconnect SATA data connectors and power.
Depending on what display type you use see if you can reduce the RAM allocated to just what is required.
Does it have antivirus? Software Firewall (or use an external router/firewall)
Look at power controls for USB devices just in case it is sending something to a low  power state every 500ms

It might be that some other interrupt is er, interrupting the CPU with RAM or hard drive write issues.

If you are sensible and don't open the case with a shotgun nothing there should make things worse but it would be good to affect it some way to narrow it down.

I've had bad SATA leads or poorly seated RAM tie up the hardware just enough to make things bog but not show up in the logs.

Stu

On 23/09/2018 23:01, Cormac EI4HQ wrote:
H Simon,

Thanks for the suggestion. I should have been explicit re audio drivers - the existing drivers haven't been updated any time recently, they're the same versions that have been in situ for some time now. Regardless, I stripped out all the audio related drivers & reinstalled them. I replaced all the current audio drivers with older versions. No joy with either effort. This is why I think the problem may be within the latest OS update - the drivers haven't changed but relevant OS files e.g. HDAudbus.sys have.

I also went deep with network card drivers as apparently many DPC latency issues have their origin in conflicts between network and audio drivers. No joy there either.

Yours Befuddled
C. EI4HQ


Re: Distorted audio after changing frequencies

k6msm@...
 

I loaded the newest version and it didn't help.

Here's another cap and the log file.

Thanks

Mike
K6MSM