Re: Question on making OOT Tag Stream modules

2020-06-21 Thread Jeff Long
George - post to the list or try chat.gnuradio.org. You'll also want to post a link to your code so people can understand more about what you're trying to do. On Sun, Jun 21, 2020 at 9:06 PM George Edwards wrote: > Hi Jeff, > > Another quick question! > > Within a tagged stream Block, do you kno

Re: Question on making OOT Tag Stream modules

2020-06-21 Thread Jeff Long
George - please reply to the list, not individuals. You'll get your problem solved faster that way, too. You can try out your block with a vector source in GRC https://wiki.gnuradio.org/index.php/Vector_Source. Also, the existing QA code for the vector source should give you an idea how to use it

Re: Question on making OOT Tag Stream modules

2020-06-21 Thread Jeff Long
If you are trying to create a test vector to feed into a block that needs a tag named "length", you can use a Vector Source. That block allows you to define a vector of data along with tags. On Sun, Jun 21, 2020 at 6:38 PM George Edwards wrote: > Hello, > > New to gnuradio and I am making an OOT

Re: Modifying Offset Stream Tag

2020-06-21 Thread Jeff Long
Not familiar with this OOT module, but it sounded interesting ... The OOT you're referring to is not the same gr-adsb in the PyBOMBs recipes. A reference to https://github.com/mhostetter/gr-adsb would be good. The PMT being assembled on demod.py:111 is being used in messages output on the "demodu

Re: Modifying Offset Stream Tag

2020-06-21 Thread Nick Foster
I think you are misunderstanding what the tag offset represents. The timestamp is coming from datetime.datetime.utcnow() in init(), and the tag offset added to that is just the offset (samples since the flowgraph started) of the burst divided by the sample rate. Because the burst offset is in *samp

Question on making OOT Tag Stream modules

2020-06-21 Thread George Edwards
Hello, New to gnuradio and I am making an OOT CRC8 module to take a tagged bit stream (1's and 0's) and generate the CRC and attach the CRC to the end of the data and pass it on to the next block. Also, I am encapsulating both the generator and check sum in same block using a boolean variable "che

Modifying Offset Stream Tag

2020-06-21 Thread Adam Gorski
Hello community, I am currently using an out of tree module (gr-adsb) with GNU Radio 3.7 that captures received ADSB messages. I would like to change the timestamp resolution for each message received from microseconds to nanoseconds. The timestamp of each message is declared in the demod.py (a

Re: FM stereo receiver distortion

2020-06-21 Thread Barry Duggan
Hi Ron, The USRP_FM_stereo.grc is in https://pastebin.com/kGwa9Ldr 73, -- Barry Duggan KV4FV On Fri, 19 Jun 2020 18:12:06 -0700, Ron Economos wrote: Is the .grc file available anywhere? Ron