Summary of VGC Data Dictionary changes from Version 19970416 to Version 19990727
OLD VERSION      8 0 C YYYYMMDD        1          10 VGC VERSION 19970416                                        
NEW VERSION      8 0 C YYYYMMDD        1          10 VGC VERSION 19990727                                        
OLD METHOD      25 0 C D2887/D5480     1          20 TEST METHOD (D2887/D5480)                                   
NEW METHOD       8 0 C D6417/D5480     1          20 TEST METHOD (D6417/D5480)                                   
OLD TSTSPON1    40 0 C                 1          30 CONDUCTED FOR, LINE 1                                       
NEW TSTSPON1    40 0 C                 1          30 CONDUCTED FOR, FIRST LINE                                   
OLD TSTSPON2    40 0 C                 1          40 CONDUCTED FOR, LINE 2                                       
NEW TSTSPON2    40 0 C                 1          40 CONDUCTED FOR, SECOND LINE