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Old 19-07-2015, 06:55   #256
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Re: New rtlsdr Plugin

Under Audio. Was set at (NME) Microsoft Sound Mapper -Output.
Now set at (NME) Speakers (Realtek High Definition Audio).
Did try (Windows Directsound) Speakers (Realtek High Definition Audio) and (Windows Direct Sound) Primary Sound Driver.

They all seem to have hissing sound


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Old 19-07-2015, 06:58   #257
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Re: New rtlsdr Plugin

What does Radio bandwith do? It is set at 12500. With order at 400. Maybe that is cutting the signal off?

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Old 19-07-2015, 07:04   #258
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Re: New rtlsdr Plugin

I have checked the other settings as instructed.
AGC unchecked
FFT display all unchecked
Zoom FFT all inchecked including enable audio
Noise Blanket unchecked
Digital Noise Reduction unchecked IF and Audio
Recording all unchecked

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Old 19-07-2015, 07:05   #259
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Re: New rtlsdr Plugin

I am using SDR# v 1.0.01349

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Old 19-07-2015, 07:17   #260
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Re: New rtlsdr Plugin

Here is photo of 162.475 with best adjustments I could get using Realtek High Def Audio - Output.
Only hear hissing when I turn on Audio...same for 162.550.

Maybe I am not doing something right. Found Realtek High Definition was the sound card under Device Manager.
Attached Thumbnails
Click image for larger version

Name:	SDRsharp-162.475-Soundcard-RealtechHighDef-Capture-small.jpg
Views:	60
Size:	233.4 KB
ID:	105604  
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Old 19-07-2015, 07:41   #261
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Re: New rtlsdr Plugin

The audio settings sound right. Just a long shot, but when you installed SDR#, did you replace the rtlsdr.dll file in the sdr# folder?
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Old 19-07-2015, 07:51   #262
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Re: New rtlsdr Plugin

Since the SurfacePro3 has only one usb port, I have had a bu-343 gps and the DVB-T+DAB+FM DVB usb2.0 dongle plugged into a 3 port inateck hub + gb ethernet. Now I have removed the hub, plugged the dongle into the single usb directly. The usb driver is found and SDRsharp runs just as before with hissing at 162.475 and 162.550. Have turned off Norton and that makes no difference. Have tried starting SDRsharp with "Run as admin". That makes no difference. Have tried both of the manufacturers dongles with these settings and there is no significant change in the results. Still hissing. Is this a win8.1 issue?
Should I try an older Dell laptop win 7?

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Old 19-07-2015, 07:53   #263
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Re: New rtlsdr Plugin

Quite frankly I have done so many things I do not remember.
Should it reinstall?

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Old 19-07-2015, 08:14   #264
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Re: New rtlsdr Plugin

Give this a try. I am pretty much out of any more ideas. Download the RTL-SDR Drivers, and extract the files from the x32 folder into the SDR# folder, replacing any files if it asks:
RelWithDebInfo.zip on rtl-sdr – Attachment – OsmoSDR
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Old 19-07-2015, 08:45   #265
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Re: New rtlsdr Plugin

Rtlsdr.dll properties.
Http:/sdr.osmocom.org/trc/wiki/rtl-sdr
File version: 1.0.0.1
Product name: librtlsdr
Size 43kb
Date modified 1/24/2014 5:32pm
Language: german

I don't believe I have changed this file.
PtthreadVCE2.dll is dated 11/19/2014 7:22pm
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Old 19-07-2015, 08:50   #266
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Re: New rtlsdr Plugin

Does the fact that SDRsharp is not working right, mean that Opencpn will not work? How are they joined at the hip?

IE: If the drivers for opencpn rtlsdr were working correctlthey Opencpn AIS would work and SDRsharp may not work because maybe Win8.1 does not work with its driver ?

Do we know SDRsharp works with Win 8.1? If so what is the procedure and requirements?
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Old 19-07-2015, 09:15   #267
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Re: New rtlsdr Plugin

When starting OpenCPN sometimes I get a message about rtlsdr_pi failing. One startup icon shows this if I don't select "run as admin" the other one does not show this, but perhaps it is missing the problem altogether...? Anyway in the opencpn.ini file I have this entry fairly frequently.

Quote:
11:12:43 AM: Opencpn language reload for: en_US
11:12:43 AM: Loading catalog for: opencpn-dashboard_pi
11:12:43 AM: Loading catalog for: opencpn-grib_pi
11:12:43 AM: Loading catalog for opencpn core.
11:12:43 AM: PlugInManager: Loading PlugIn: C:\Program Files (x86)\OpenCPN 4.1.602\plugins\rtlsdr_pi.dll
11:12:43 AM: Error: Execution of command 'C:\Program Files (x86)\OpenCPN 4.1.602\plugins\rtlsdr_pi\bin\ais_rx -h' failed (error 2: the system cannot find the file specified.)
11:12:43 AM: Error: Execution of command 'C:\Program Files (x86)\OpenCPN 4.1.602\plugins\rtlsdr_pi\bin\rtl_adsb -h' failed (error 2: the system cannot find the file specified.)
11:12:43 AM: Error: Execution of command 'C:\Program Files (x86)\OpenCPN 4.1.602\plugins\rtlsdr_pi\bin\aplay -h' failed (error 2: the system cannot find the file specified.)
11:12:43 AM: C:\Program Files (x86)\OpenCPN 4.1.602\plugins\rtlsdr_pi.dll
API Version detected: 108
PlugIn Version detected: 13
11:12:43 AM: Opencpn language reload for: en_US
11:12:43 AM: Loading catalog for: opencpn-dashboard_pi
How can this be fixed?
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Old 19-07-2015, 09:16   #268
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Re: New rtlsdr Plugin

LeoA thanks for your help. I guess I have exhausted you!
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Old 19-07-2015, 09:19   #269
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Re: New rtlsdr Plugin

Excuse me the quote above was from the log file.

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Old 19-07-2015, 09:37   #270
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Re: New rtlsdr Plugin

Also when I open Neal Arudale's AISDecoder by right click and select "Run as admin" (even tho I have admin rights as a user) the program comes up with the Options button not greyed out. When Options is selected there is a message to save the default ini file because it is an older version, which I do when told (often). I have had this program recieving GPS nmea but not AIS.
I am beginning to think this should be AIS pita.


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