[USRP-users] RTL-SDR source for USRP1

James Humphries james.humphries at ettus.com
Mon Oct 12 12:55:04 EDT 2015

Hi Hoang,

In addition to Marcus' answer, you can find a lot of the info you need
about daughter-boards in the USRP manual:

Basic RX Manual

WBX Manual <http://files.ettus.com/manual/page_dboards.html#dboards_wbx>

What troubles are you having setting the sub-device specs? There is an
input in the USRP source block in GNU Radio to set these. Sub-device under
'General Tab' and antenna under 'RF Options'.


On Thu, Oct 8, 2015 at 10:18 PM, Hoang Nguyen Tran via USRP-users <
usrp-users at lists.ettus.com> wrote:

> Hi all,
> I have install librtlsdr and now using RTL-SDR source in GNU radio with
> USRP1 WBX and Basic RX daughter board (Because I saw it support) . I wonder
> how can I change the subdev devices in this source ? Because when I run
> flow graph it always choose 'B:0' . Before I used USRP source and easily to
> choose subdev and antenna.
> RTL-SDR source seem to have higher gain even thought I used the same value
> of rf_gain ??
> And one more thing, What is maximum rf_gain value that I can set for the
> source that WBX and Basic RX can operate  ? I usually put 20.
> Thank you and best regard.
> --
>  -HoangNT-
> PhoneNo :  +841654248782
> Skype : hoangastro
> FB : https://www.facebook.com/kenshin.rorouni
> _______________________________________________
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