Re: [Discuss-gnuradio] Just wondering why?

2017-11-01 Thread Kevin Reid
On Wed, Nov 1, 2017 at 9:23 PM, Cinaed Simson wrote: > >> Not a problem for me most of my testing is done with my test set, the > RF gain > >> set at 14 dB means I can receive signals down to -115 dBm, I tend to use > >> signals at around -80 dBm so I am far away from

Re: [Discuss-gnuradio] Just wondering why?

2017-11-01 Thread Cinaed Simson
On 11/01/2017 05:55 PM, Cinaed Simson wrote: >>> >>> Note, you should set the RF again to 0 when receiving. There's frontend >>> on the hackrf and you run risk of smoking the receiving RF amplifier if >>> there's a strong RF transmission nearby. >>> Also, the RF gain is either 0 or 1 - on or off.

Re: [Discuss-gnuradio] Just wondering why?

2017-11-01 Thread Cinaed Simson
On 11/01/2017 01:55 PM, Adrian Hodgson wrote: > Thanks for responding I have posted responses within the text. > > On Wednesday, 1 November 2017 20:04:57 GMT Cinaed Simson wrote: >> On 10/30/2017 04:04 PM, Adrian Hodgson wrote: >>> Quite new to this so perhaps a dumb question. >>> >>> I have the

Re: [Discuss-gnuradio] Data types

2017-11-01 Thread Tellrell White
No Marcus I haven't. Thanks for the response. Honestly, I didn't know I had to in order to configure the data type of my block. How exactly do I go about doing this and is there any documentation on the process?? Regards Tellrell On Wed, Nov 1, 2017 at 12:47 PM, Marcus Müller

Re: [Discuss-gnuradio] Just wondering why?

2017-11-01 Thread Cinaed Simson
On 10/30/2017 04:04 PM, Adrian Hodgson wrote: > Quite new to this so perhaps a dumb question. > > I have the following flowchart Narrow_band_QT.grc and screenshot attached, > just something I have been playing with. Note, you should set the RF again to 0 when receiving. There's frontend on the

[Discuss-gnuradio] Overlapping blocks and wires bug

2017-11-01 Thread Bakshi, Arjun
Not sure if this is the right place, but a couple of annoying behaviors of GRC. Often times when one adds a block to the flowgraph in GR, it'll go over a wire or under another block. When it goes over a wire, often times clicking on the block will select the wire underneath it, and move or

Re: [Discuss-gnuradio] Data types

2017-11-01 Thread Marcus Müller
Have you modified the GRC .xml file accordingly? On 01.11.2017 16:29, Tellrell White wrote: > Thanks for the response. In the code below, I'm matching the output > type of the divide block which is float and also the length which I'm > setting here as for v_len. However, I'm still not seeing

Re: [Discuss-gnuradio] Using rtl-sdr dongle with grc on Windows 10

2017-11-01 Thread Geof Nieboer
You probably need to run zadig.exe to get the right driver loaded... see ( https://www.rtl-sdr.com/getting-the-rtl-sdr-to-work-on-windows-10/). I believe a copy of zadig.exe should be in the ./gnuradio-3.7/bin directory. Have you used the rtl-sdr dongle with any other windows applications? If

Re: [Discuss-gnuradio] Data types

2017-11-01 Thread Tellrell White
Thanks for the response. In the code below, I'm matching the output type of the divide block which is float and also the length which I'm setting here as for v_len. However, I'm still not seeing any change. I'm also doing this in python. Any ideas? def __init__(self, num_values=1024,

[Discuss-gnuradio] Using rtl-sdr dongle with grc on Windows 10

2017-11-01 Thread vempati Sarma
I need help in using rtl-sdr dongle with grc. I loaded gnuradio on Windows 10 os with binary packages and it is working well. I trying to use rtl-sdr dongle as source in spectrum monitor setup in grc. Flow graph is not detecting output from rtl-sdr, where as it is working with Ubuntu 16.04 os on

Re: [Discuss-gnuradio] Data types

2017-11-01 Thread Andrej Rode
Hir , On Tue, Oct 31, 2017 at 11:03:57PM -0400, Tellrell White wrote: > Hello All > I have a question concerning data types. I'm creating a sink block in python > that takes float values from a "divide" block that has a vector length of > 1024. The output port on the divide block is red. How