# Re: NTSC Modulation?

**URL:** <https://www.ruby-forum.com/t/re-ntsc-modulation/240229>\
**Category:** GNU Radio\
**Created:** [April 3, 2014, 5:00am UTC](https://www.ruby-forum.com/t/re-ntsc-modulation/240229 "2014-04-03T05:00:56Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![musicdenotation](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/m/ea666f/32.png) [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\
**Post date:** [April 3, 2014, 5:00am UTC](https://www.ruby-forum.com/t/re-ntsc-modulation/240229/1 "2014-04-03T05:00:56Z")

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My question pertains to modulation (transmission), not reception. 🙂 I  
have  
yet to find much of anything in the way of examples or a foundation of  
doing this. Kind of surprised this seems to be an uncommon thing.

TL;DR: I would like to modulate an NTSC (analog) TV signal using  
GNURadio.

On Wed, Jan 29, 2014 at 7:36 AM, Walker, Robert L CIV NSWC Crane, QXN \<