# USRP signal is different from the spectrum analyzer

**URL:** <https://www.ruby-forum.com/t/usrp-signal-is-different-from-the-spectrum-analyzer/221263>\
**Category:** GNU Radio\
**Created:** [July 6, 2012, 2:26am UTC](https://www.ruby-forum.com/t/usrp-signal-is-different-from-the-spectrum-analyzer/221263 "2012-07-06T02:26:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![aris](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/258eb7/32.png) [@aris](https://www.ruby-forum.com/u/aris)\
**Post date:** [July 6, 2012, 2:26am UTC](https://www.ruby-forum.com/t/usrp-signal-is-different-from-the-spectrum-analyzer/221263/1 "2012-07-06T02:26:57Z")

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The USRP, always show this picture, but is different from the spectrum  
analyzer and signal hound on the same frequency.

may be happening to the signal is different.

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**Author:** ![aarosoft](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/c37758/32.png) [@aarosoft](https://www.ruby-forum.com/u/aarosoft)\
**Post date:** [July 6, 2012, 3:44am UTC](https://www.ruby-forum.com/t/usrp-signal-is-different-from-the-spectrum-analyzer/221263/2 "2012-07-06T03:44:28Z")

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Try reducing input pwr to usrp.

John

On Thursday, July 5, 2012, Julio Hector Aguilar Renteria \<  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)\> wrote:

> The USRP, always show this picture, but is different from the spectrum  
> analyzer and signal hound on the same frequency.