Copyright WDC C1 for STP at RAL.
Spacecraft Identifiers (SC) for the "SC" field are;
SC Number in Field Definition for Number ------------------ --------------------- 18 IMP 1 (Expl 18) 28 IMP 3 (Expl 28) 34 IMP 4 (Expl 34) 41 IMP 5 (Expl 41) 43 IMP 6 (Expl 43) 47 IMP 7 (Expl 47) 50 IMP 8 (Expl 50) 33 AIMP 1 (Expl 33) 35 AIMP 2 (Expl 35) 1 HEOS 1 and HEOS 2 3 VELA 3 5 OGO 5 13 ISEE 3 11 ISEE 1 10 PROGNOZ 10 51 WIND 99 Merged LANL VELA speeds 98 Merged LANL IMP-6,-7,-8 T,N,V