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GALILEO DDS STATUS TABLE

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DATA FILE DESCRIPTION

Galileo mission and dust detector configuration, tests and other events. See Gruen et al. (1995b) and Krueger et al. (1999b) for more details.

                                                                              
START TIME                      1989-10-18T16:52                            
STOP TIME                       1995-12-28T11:00                           
PRODUCT CREATION TIME           1998-11-06                                
ROWS                            92                                       
COLUMNS                         11                                      
RECORD FORMAT                   "(a14,2x,3(a1,1x),1x,4(a1,1x),2x,a1,2x,
  a1,2x,a41)"                                                         
  

ColName Start Byte Format Null Value
1 EVENT TIME 1 A14 -
2 CHANNELTRON EVENT FLAG 17 A1 X
3 ION EVENT FLAG 19 A1 X
4 ELECTRON EVENT FLAG 21 A1 X
5 ION COLLECTOR THRESHOLD 24 A1 -
6 ELECTRON COLLECTOR THRESHOLD 26 A1 -
7 CHANNELTRON THRESHOLD 28 A1 -
8 ENTRANCE GRID THRESHOLD 30 A1 -
9 CHANNELTRON VOLTAGE LEVEL 33 A1 -
10 TIME ERROR FLAG 36 A1 X
11 DDS STATUS NOTE 39 A41 -

EVENT TIME - Event time given in year, day of year, hours and minutes in the general form: yyyy-dddThh:mm.

CHANNELTRON EVENT FLAG - A flag denoting that an event may be defined by a channeltron signal, in which case the flag is set to 1, otherwise it is set to 0.

ION EVENT FLAG - A flag denoting that an event may be defined by an ion signal, in which case the flag is set to 1, otherwise it is set to 0.

ELECTRON EVENT FLAG - A flag denoting that an event may be defined by an electron signal, in which case the flag is set to 1, otherwise it is set to 0.

ION COLLECTOR THRESHOLD - Code (ICP) corresponding to the threshold set for the positive ion charge impulse(Q_I) at the time of impact.

                                                                               
        ICP|Q_I (Coulomb)                                                      
        ---+----------------                                                   
         0 |   1.0E-14                                                         
         1 |   2.6E-14                                                         
         2 |   5.8E-14                                                         
         3 |   1.5E-13                                                         
	 

ELECTRON COLLECTOR THRESHOLD - Code (ECP) corresponding to the threshold set for the electron charge impulse (Q_E) arising from an impact.

                                                                               
        ECP|Q_E (Coulomb)                                                      
        ---+----------------                                                   
         0 |  -9.8E-15                                                         
         1 |  -2.4E-14                                                         
         2 |  -5.5E-14                                                         
         3 |  -1.4E-13                                                         
                                                                               
	

CHANNELTRON THRESHOLD - Code (CCP) corresponding to the threshold set for the channeltron charge (Q_C) impulse arising from an impact.

                                                                               
        CCP|Q_C (Coulomb)                                                      
        ---+----------------                                                   
         0 |  -1.8E-13                                                         
         1 |  -2.4E-13                                                         
         2 |  -5.2E-13                                                         
         3 |  -1.2E-12                                                         
	 

ENTRANCE GRID THRESHOLD - Code (PCP) corresponding to the threshold set for the entrance grid charge impulse (Q_P) at the time of impact separately for positively and negatively charged particles.

                                                                               
        PCP|Q_P (positive) (Coulomb)|Q_P (negative) (Coulomb)                  
        ---+------------------------+------------------------                  
         0 |         9.4E-15        |        -1.8E-14                          
         1 |         2.3E-14        |        -3.8E-14                          
         2 |         5.0E-13        |        -7.3E-14                          
         3 |         1.2E-13        |        -1.5E-13                          
	 

CHANNELTRON VOLTAGE LEVEL - Code (HV) corresponding to the channeltron high voltage level(HV) set at the time of impact with integers representing fixed voltage differences. See Channeltron Voltage Level, Confidence Level Note.

                                                                               
                 HV|Voltage(Volts)                                             
                 --+-------                                                    
                  X|   OFF                                                     
                  0|   200                                                     
                  1|   900                                                     
                  2|  1020                                                     
                  3|  1140                                                     
                  4|  1250                                                     
		  

TIME ERROR FLAG - Flag indicating the time error to be assigned to each impact.

                                                                               
		FLAG | TIME ERROR                                              
		-----------------                                              
		  S  | 2/3 SEC                                                 
		  L  |  66 MIN (before 1990-176, inclusive)                    
		  L  | 259 MIN (after 1990-176)                                
		  

DDS STATUS NOTE - Note concerning DDS or Galileo spacecraft status.