# Gnu radio

**URL:** <https://www.ruby-forum.com/t/gnu-radio/234213>\
**Category:** GNU Radio\
**Created:** [February 16, 2015, 8:17am UTC](https://www.ruby-forum.com/t/gnu-radio/234213 "2015-02-16T08:17:29Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![addis\_a](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/c4cdca/32.png) [@addis\_a](https://www.ruby-forum.com/u/addis_a)\
**Post date:** [February 16, 2015, 8:17am UTC](https://www.ruby-forum.com/t/gnu-radio/234213/1 "2015-02-16T08:17:29Z")

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sir, i dint get the structure of the IMPL code in c++…please explain  
me  
…how to create a block that should take parameter from user…give me  
one  
simple example  
thank you

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**Author:** ![Vishwanatha\_H\_G](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/v/f19dbf/32.png) [@Vishwanatha\_H\_G](https://www.ruby-forum.com/u/Vishwanatha_H_G)\
**Post date:** [February 16, 2015, 10:26am UTC](https://www.ruby-forum.com/t/gnu-radio/234213/2 "2015-02-16T10:26:33Z")

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Hi,

GNU Radio has very nice tutorials [1]. Just read them and try them out  
for yourself.

happy hacking  
Johannes

[1] [https://gnuradio.org/redmine/projects/gnuradio/wiki/Tutorials](https://gnuradio.org/redmine/projects/gnuradio/wiki/Tutorials)

On 16.02.2015 08:15, Vishwanatha H G wrote:

> sir, i dint get the structure of the IMPL code in c++…please  
> explain me ..how to create a block that should take parameter from  
> user..give me one simple example thank you

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