GALILEO DDS STATUS TABLE


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.