# Channelizer demonstration

**URL:** <https://www.ruby-forum.com/t/channelizer-demonstration/242939>\
**Category:** GNU Radio\
**Created:** [August 8, 2015, 10:15pm UTC](https://www.ruby-forum.com/t/channelizer-demonstration/242939 "2015-08-08T22:15:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Sadaf\_N](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/858c86/32.png) [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Post date:** [August 8, 2015, 10:15pm UTC](https://www.ruby-forum.com/t/channelizer-demonstration/242939/1 "2015-08-08T22:15:13Z")

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I’ve put a short video of my tweaked version of Chris’ NOAA radio  
channelizer demo on Youtube at: [- YouTube](https://youtu.be/mTUSVNdCxa4)

The screen capture didn’t get the drop-down box when I changed channels,  
but if you look at the upper-left corner you’ll see the channel change  
every few seconds.

I can hear stations on 5 to 6 of the NOAA channels from home, so it  
makes a kind of neat comparison. It’s also interesting to look at all  
the channels on top of each other as you can spot the deviations from  
nominal carrier frequency (after all, I’m a time-nut!).

The current version of the .grc file (which I’m still tweaking on) is  
also attached.

John