SDRTrunk will not recognize 2 RTL-SDR tuners as separate tuners

[Frank Brehm]

Hello all,

I have a problem that I just can't solve. When I install and start SDRTrunk it sees both tuners (RTL-SDR R820T2)  but gives each one the same ID. There is no way that I have found to change the ID so that I can program one for the P25 control frequencies and the other the talkgroup frequencies.

I am running Windows 10 64bit with all updates installed. Device manager shows each one separately. 

Would any of you have any ideas? Any help would be appreciated.

Thanks,

Frank Brehm

[Craig Hollis-Nicholson]

Hello, Frank

You can edit the ID of a dongle using an application like rtl tool (https://www.rtl-sdr.com/tag/rtltool/).

Craig H.

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[dave38...@gmail.com]

Wont the dongles still tune to what's in their range regardless of if its a control freq or voice freq?  

[rlm...@gmail.com]

Change the serial numbers of the dongles to be different from one another

[Steve Fleckenstein]

I have a similar problem, both RTL-SDR blog v3  have the same serial number.

I download RTL Tool.

Using either the x64 or x86 versions of RTL Tool with Windows 10 the drop down list to select a dongle is blank.

What am I doing wrong?

Suggestions appreciated!

Thanks,

Steve

N2UBP

On Sunday, June 6, 2021 at 10:46:35 PM UTC-4 crani...@gmail.com wrote:

[ffb...@gmail.com]

Hi Steve,

 

Here is what I did and it worked.

Download the RTLTool file and unzip all the files inside.

Download the RtlSdr++ file and unzip all the files inside.

After unzipping the files find the RtlSdr++ Distribution directory under RtlSdr++ Distribution 20180320

Find the RtlTool.exe file from the RTLTool Distribution directory and copy it into the RtlSdr++ Distribution x64 directory. This directory has the RtlSdr Catalog.exe file in it.

After copying the RtlTool file run the RtlCatalog program, and it should show the dongles. Give it a few seconds to find the dongles.

Close that and the open the RtlTool program that you copied, it also takes a few seconds to find the dongles, and it should also show the dongles and you can then choose one and change the ID.

Frank Brehm

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