# Attenuation correctio for c band radar

**URL:** <https://openradar.discourse.group/t/attenuation-correctio-for-c-band-radar/316>\
**Category:** Corrections/Data Quality\
**Created:** [September 20, 2023, 5:14am UTC](https://openradar.discourse.group/t/attenuation-correctio-for-c-band-radar/316 "2023-09-20T05:14:53Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Jagdish\_jena](https://avatars.discourse-cdn.com/v4/letter/j/b19c9b/32.png) [@Jagdish\_jena](https://openradar.discourse.group/u/Jagdish_jena)\
**Post date:** [September 20, 2023, 5:14am UTC](https://openradar.discourse.group/t/attenuation-correctio-for-c-band-radar/316/1 "2023-09-20T05:14:53Z")

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# Coefficients for x-band

alphax = 0.28  
betax = 0.05  
bx = 0.78

# need to expand alphax to dphi-shape

fdphi = 10 \*\* (0.1 \* bx \* alphax \* dphi) - 1  
fdphi

where can i find values for C BAND radar .

 ![why these strips are coming ?](https://global.discourse-cdn.com/free1/uploads/openradar/original/1X/5c025745a290809f9d14c8740ea4c8afbe3b4511.png)

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**Author:** ![syedhamidali](https://yyz2.discourse-cdn.com/free1/user_avatar/openradar.discourse.group/syedhamidali/32/377_2.png) [@syedhamidali](https://openradar.discourse.group/u/syedhamidali)\
**Post date:** [September 21, 2023, 9:56pm UTC](https://openradar.discourse.group/t/attenuation-correctio-for-c-band-radar/316/2 "2023-09-21T21:56:21Z")

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> **[Polarimetric Attenuation Correction in Heavy Rain at C Band](https://journals.ametsoc.org/view/journals/apme/50/1/2010jamc2258.1.xml)**
>
> Abstract The ability of C-band polarimetric radar to account for strong attenuation/differential attenuation is demonstrated in two cases of heavy rain that occurred in the Chicago, Illinois, metropolitan area on 5 August 2008 and in central Oklahoma...