Maybe you have to look to this thread. Regards Gwen On Tue, 30 May 2023 11:54:44 +0000 james jordan <james.jordan....@hotmail.com> wrote:
> Hi Marcus, > if i use 2 uhd source block how to make them synchronized. > ________________________________ > From: discuss-gnuradio-bounces+james.jordan.999=hotmail....@gnu.org > <discuss-gnuradio-bounces+james.jordan.999=hotmail....@gnu.org> on behalf of > Marcus Müller <mmuel...@gnuradio.org> Sent: Tuesday, May 30, 2023 7:42 PM To: > discuss-gnuradio@gnu.org <discuss-gnuradio@gnu.org> Subject: Re: how to use 2 > usrp b210 to receive synchronously > > Dear James, > > > you can't; uhd::multi_usrp only supports a single B210 per instance. You > need to use two USRP source blocks. > > > Best regards, > > Marcus > > > On 5/30/23 12:34, james jordan wrote: > > Hi all, > > i have 2 usrp b210 and i want to make 4 channel rx system. i make a > > uhd source and config mboard num 2 and channel count 4. but when i run > > the programme it says "RuntimeError: LookupError: IndexError: > > multi_usrp: RX channel 2 out of range for configured RX frontends" > > so how to set the source block for 2 b210? >
