Re: [Discuss-gnuradio] random phase offset constantly changing with octoclock setup

2016-07-11 Thread Pavan Yedavalli
Hi Marcus, Is this the only type of GPS antenna that I can use on the Octoclock-G? https://www.ettus.com/product/details/GPS-ANT-3V Or can I use any other type of antenna at 1.57 GHz or 1.23 GHz? On Fri, Jul 8, 2016 at 1:33 PM, Pavan Yedavalli wrote: > The 1 PPS is flashing - it just wasn't fl

Re: [Discuss-gnuradio] random phase offset constantly changing with octoclock setup

2016-07-11 Thread mleech
Any type of active GPS antennna will work. If you're using a passive antenna make sure you have a DC block in place--some antennae are DC shorts. On 2016-07-11 16:16, Pavan Yedavalli wrote: > Hi Marcus, > > Is this the only type of GPS antenna that I can use on the Octoclock-G? > https://www

Re: [Discuss-gnuradio] Implementing timed transmission: UHD API or Stream Tags?

2016-07-11 Thread Martin Braun
On 07/07/2016 07:50 PM, Lakshay Narula wrote: > Hello, > > I am a new GNU Radio user. I am looking to build a system that can > transmit a packet at a pre-defined time with very high accuracy (about 1 > nanosecond). Having gone through the mailing list I am aware that timed > transmission is a com

[Discuss-gnuradio] A question about the KEEP_M_IN_N block source code...

2016-07-11 Thread Ali The GREAT!
Dear Sir, I was wondering if we can use * "set_fixed_rate()"* in the source code of the block "keep_m_in_n" at its constructor instead of using * "int blks = std::min(noutput_items/d_m, ninput_items[0]/d_n);" * at the general_work ? Thanks a million in advance! Regards, Ali __