About flowgraph stop and blocks sending last-data-indicator

Hello,   long time lurker, first time poster + newbie in GNURadio and digital signal processing here. I'm terribly sorry if the question I'm about to ask is already answered in the wiki (couldn't find anything so far).   I have a question about flowgraph deconstruction / end of execution for mess

'Moving average' block always freezes with certain parameter values

Hi I have the following flowgraph: Noise source  ->  Throttle  ->   Stream to vector (Num items=1024)  -> FFT (FFT size=1024)  ->  Complex to mag^2  ->  Moving average  ->  QT GUI vector sink In 'Moving average' the parameters are: Length = n_average Scale = 1.0 / n_average Max iter = 4000Lengt

USRP b210 time stamp corrupted with two-channel receive

Hi, I am using an Ettus B210 in two-channel receive and require accurate time stamps. The B210 is connected to an external 10 MHz clock and PPS source. Setting the time on the B210 works fine, and reading back the time reports the expected time. When streaming a single channel, everything