Subject: Administrative: GOES-13 and GOES-15 Imager Visible Calibration This is a multi-part message in MIME format. --Boundary_(ID_dqN3aJbSGPZ084gM/WN+Zg) Content-type: text/plain; charset=windows-1252; format=flowed Content-transfer-encoding: 7BIT *Topic: *GOES-13 and -15 Visible Calibration Update for the Month of May 2015 *Date/Time Issued: *May 12, 2015 2055 UTC *Product(s) or Data Impacted: *All products from visible channel *Date/Time of Initial Impact: *May 12, 2015 05:14 UTC *Date/Time of Expected End:* Until Next Month's Coefficient Update *Length of Outage: *N/A* Details and Specifics of Change: * On 12 May 2015, the following update of the calibration coefficients, based on post-launch vicarious calibration at NOAA/NESDIS/STAR, were implemented for the Imager visible channel of GOES-13 and GOES-15 at 0514Z and 0930Z, respectively. These coefficients are intended to be optimal on 26 May,two weeks after the implementation date. *GOES-15:* The following update of the calibration coefficients, based on post-launch vicarious calibration at NOAA/NESDIS/STAR, are recommended for the currently operational GOES Imager visible channel. These coefficients are to be implemented on the second Tuesday of the Update Month listed below and optimal on the fourth Tuesday of the Update Month (in the middle of the two scheduled updates). Satellite: GOES-15 Update Month: May Update Year: 2015 Current post-launch calibration coefficient: 1.39768 Date: 2015118000000000 Previous post-launch calibration coefficient: 1.38710 Date: 205051000000000 Initial calibration coefficient: 1.0 Initial calibration date: 2001311000000000 *GOES-13:* The following update of the calibration coefficients, based on post-launch vicarious calibration at NOAA/NESDIS/STAR, are recommended for the currently operational GOES Imager visible channel. These coefficients are to be implemented on the second Tuesday of the Update Month listed below and optimal on the fourth Tuesday of the Update Month (in the middle of the two scheduled updates). Satellite: GOES-13 Update Month: May Update Year: 2015 Current post-launch calibration coefficient: 1.32275 Date: 2015118000000000 Previous post-launch calibration coefficient: 1.31592 Date: 2015051000000000 Initial calibration coefficient: 1.0 Initial calibration date: 2000229000000000 Some definitions: The date format is: YYYYDDDHHMMSSmmm, where YYYY = year, DDD = day of the year, HH = hour, MM = minute, SS = seconds, mmm = msec. The coefficient provided is a gain that is to be applied to the Visible channel counts-to-radiance conversion Op_R = Coefficient * Pre_R where Pre_R is pre-launch gain for the channel and Op_R is the new gain -- the gain after the coefficient listed as "Current post-launch calibration coefficient" is applied. The initial coefficient has been normalized to 1.0 for the purposes of this post-launch calibration. *Contact Person(s) Name/Email/Phone Number for Questions: *Paul Douglas, jpaul.douglas@noaa.gov, desk phone 301-817-4031operations support Xiangqian Wu Xiangqian.Wu@noaa.gov __>_301-763-8136 x 138 instrument scientist *Web site(s) that contain other relevant information (where applicable):* http://www.star.nesdis.noaa.gov/smcd/spb/fwu/homepage/GOES_Imager_Vis_OpCal.php *Contact Information for Further Information:* ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880 and/or other contacts as necessary This message was sent from ESPC.Notification@noaa.gov . You have been sent this and other notifications because you have opted in to receive it. If for any reason, you wish to unsubscribe, please contact ESPC Help Desk at ESPCOperations@noaa.gov or (301) 817-3880 . Please note: it make take up to two business days to process your unsubscribe request. -- J. Paul Douglas Senior Principal Systems Engineer GOES Flight Operations NOAA Satellite Operations Facility ASRC Federal Space Technical Services Desk: 301-817-4031 Associate Fellow American Institute of Aeronautics and Astronautics --Boundary_(ID_dqN3aJbSGPZ084gM/WN+Zg) Content-type: multipart/related; boundary="Boundary_(ID_HdM+eKtgdUapA1LIKJzq3w)" --Boundary_(ID_HdM+eKtgdUapA1LIKJzq3w) Content-type: text/html; charset=windows-1252 Content-transfer-encoding: 8BIT Topic:  GOES-13 and -15 Visible Calibration Update for the Month of May 2015

Date/Time Issued: May 12, 2015 2055 UTC

Product(s) or Data Impacted:   All products from visible channel

Date/Time of Initial Impact:   May 12, 2015 05:14 UTC

Date/Time of Expected End:  Until Next Month's Coefficient Update

Length of Outage:  N/A

Details and Specifics of Change:  

On 12 May 2015, the following
    update of the calibration coefficients, based on post-launch
    vicarious calibration at NOAA/NESDIS/STAR,
were implemented for the Imager visible channel of GOES-13 and GOES-15
at 0514Z and 0930Z, respectively. These coefficients are
intended to be optimal on 26 May, two weeks after the
implementation date.
GOES-15:

The following update of the calibration coefficients, based on
post-launch vicarious calibration at NOAA/NESDIS/STAR, are recommended
for the currently operational GOES Imager visible channel. These
coefficients are to be implemented on the second Tuesday of the Update
Month listed below and optimal on the fourth Tuesday of the Update
Month (in
the middle of the two scheduled updates).

Satellite: GOES-15

Update Month: May
Update Year: 2015
Current post-launch calibration coefficient: 1.39768
Date: 2015118000000000
Previous post-launch calibration coefficient: 1.38710
Date: 205051000000000
Initial calibration coefficient: 1.0
Initial calibration date: 2001311000000000

GOES-13:

The following update of the calibration coefficients, based on
post-launch vicarious calibration at NOAA/NESDIS/STAR, are recommended
for the currently operational GOES Imager visible channel. These
coefficients are to be implemented on the second Tuesday of the Update
Month listed below and optimal on the fourth Tuesday of the Update
Month (in
the middle of the two scheduled updates).

Satellite: GOES-13

Update Month: May
Update Year: 2015
Current post-launch calibration coefficient: 1.32275
Date: 2015118000000000
Previous post-launch calibration coefficient: 1.31592
Date: 2015051000000000
Initial calibration coefficient: 1.0
Initial calibration date: 2000229000000000
 
 
Some definitions:
The date format is:
    YYYYDDDHHMMSSmmm, where YYYY = year, DDD = day of the year, HH =
    hour, MM = minute, SS = seconds,
mmm = msec.
The coefficient provided is a gain
    that is to be applied to the Visible channel counts-to-radiance
    conversion
Op_R = Coefficient *
    Pre_R
where Pre_R is pre-launch gain
    for the channel and Op_R is the new gain -- the gain after the
    coefficient listed as
"Current post-launch calibration coefficient" is applied.
The initial coefficient has
    been normalized to 1.0 for the purposes of this post-launch
    calibration.

Contact Person(s) Name/Email/Phone Number for Questions:
Paul Douglas, jpaul.douglas@noaa.gov, desk phone 301-817-4031operations support
Xiangqian Wu Xiangqian.Wu@noaa.gov <mailto:Xiangqian.Wu@noaa.gov> 301-763-8136 x 138 instrument scientist

Web site(s) that contain other relevant information (where applicable):

http://www.star.nesdis.noaa.gov/smcd/spb/fwu/homepage/GOES_Imager_Vis_OpCal.php

Contact Information for Further Information:  ESPC Operations at ESPCOperations@noaa.gov at 301-817-3880 and/or other contacts as necessary

This message was sent from ESPC.Notification@noaa.gov. You have been sent this and other notifications because you have opted in to receive it. If for any reason, you wish to unsubscribe, please contact ESPC Help Desk at ESPCOperations@noaa.gov or (301) 817-3880. Please note: it make take up to two business days to process your unsubscribe request.




--
J. Paul Douglas
Senior Principal Systems Engineer
GOES Flight Operations
NOAA Satellite Operations Facility
ASRC Federal Space Technical Services
Desk: 301-817-4031
 

Associate Fellow
American Institute of Aeronautics and Astronautics
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