Subject: Product Outage/Anomaly Update #1: N18 SEM TED Proton and This is a multi-part message in MIME format. --------------070306010400020806030604 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit *Update #1: **Time of pass changing to 17:26 UTC* Janet Green of the National Geophysical Data Center has requested Engineering to increase the N18 SEM TED proton and electron bias voltages by one count. This periodic change in the bias voltage is part of the normal operations of SEM and is not an indication of any problems.As the detectors age, it is important to increase the bias voltage to compensate for reduced sensitivity. This increase will improve the performance of the SEM TED sensors. NOAA-18 SEM TED proton and electron bias voltages will be changed to level 6 during the following pass: 13 March 2014 (14/072) *17:26 UTC -- 17:40 UTC*. *Topic:***NOAA-18 SEM TED Proton and Electron Bias Voltage Increase**** *Date/Time Issued*: March 13 , 2014 1600 UTC *Product(s) or Data Impacted:*NOAA -18 SEM *Date/Time of Initial Outage:* March 13, 2014 2044 UTC *Date/Time of Expected End :* N/A *Length of Event:* N/A *Details/Specifics of Change:* Janet Green of the National Geophysical Data Center has requested Engineering to increase the N18 SEM TED proton and electron bias voltages by one count. This periodic change in the bias voltage is part of the normal operations of SEM and is not an indication of any problems.As the detectors age, it is important to increase the bias voltage to compensate for reduced sensitivity. This increase will improve the performance of the SEM TED sensors. NOAA-18 SEM TED proton and electron bias voltages will be changed to level 6 during the following pass: 13 March 2014 (14/072) 20:44 UTC -- 20:58 UTC.* * ** *Contact Information for Further Information:* ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880** * Web Site(s) for applicable information:* N/A 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 may take up to two business days to process your unsubscribe request. --------------070306010400020806030604 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Update #1:  Time of pass changing to 17:26 UTC

 

Janet Green of the National Geophysical Data Center has requested Engineering to increase the N18 SEM TED proton and electron bias voltages by one count. This periodic change in the bias voltage is part of the normal operations of SEM and is not an indication of any problems.  As the detectors age, it is important to increase the bias voltage to compensate for reduced sensitivity. This increase will improve the performance of the SEM TED sensors.

 

NOAA-18 SEM TED proton and electron bias voltages will be changed to level 6 during the following pass: 13 March 2014 (14/072) 17:26 UTC – 17:40 UTC.

Topic:   NOAA-18 SEM TED Proton and Electron Bias Voltage Increase

Date/Time Issued:  March 13 , 2014 1600  UTC

Product(s) or Data Impacted:   NOAA -18 SEM

 Date/Time of Initial Outage:  March 13, 2014  2044 UTC

Date/Time of  Expected End : N/A

Length of Event: N/A

Details/Specifics of Change: 

Janet Green of the National Geophysical Data Center has requested Engineering to increase the N18 SEM TED proton and electron bias voltages by one count. This periodic change in the bias voltage is part of the normal operations of SEM and is not an indication of any problems.  As the detectors age, it is important to increase the bias voltage to compensate for reduced sensitivity. This increase will improve the performance of the SEM TED sensors.

 

NOAA-18 SEM TED proton and electron bias voltages will be changed to level 6 during the following pass: 13 March 2014 (14/072) 20:44 UTC – 20:58 UTC.

 


 

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov and 301-817-3880

Web Site(s) for applicable information:  N/A

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 may take up to two business days to process your unsubscribe request.



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