case 0:       classification="Nimbus"; break;
case 1:       classification="VTPR"; break;
case 2:       classification="Tiros 1 (Tiros, NOAA-6 to NOAA-13)"; break;
case 3:       classification="Tiros 2 (NOAA-14 onwards)"; break;
case 10:      classification="EOS"; break;
case 20:      classification="GPM-core"; break;
case 31:      classification="DMSP"; break;
case 61:      classification="EUMETSAT Polar System (EPS)"; break;
case 91:      classification="ERS"; break;
case 92:      classification="Sentinel-3"; break;
case 121:     classification="ADEOS"; break;
case 122:     classification="GCOM"; break;
case 241:     classification="GOES"; break;
case 261:     classification="JASON"; break;
case 271:     classification="GMS"; break;
case 272:     classification="MTSAT"; break;
case 273:     classification="Himawari"; break;
case 281:     classification="COMS"; break;
case 301:     classification="INSAT"; break;
case 331:     classification="METEOSAT Operational Programme (MOP)"; break;
case 332:     classification="METEOSAT Transitional Programme (MTP)"; break;
case 333:     classification="METEOSAT Second Generation Programme (MSG)"; break;
case 351:     classification="GOMS"; break;
case 380:     classification="FY-1"; break;
case 381:     classification="FY-2"; break;
case 382:     classification="FY-3"; break;
case 401:     classification="GPS"; break;
case 402:     classification="GLONASS"; break;
case 403:     classification="GALILEO"; break;
case 404:     classification="BDS (BeiDou navigation satellite system)"; break;
case 511:     classification="Missing value"; break;
default:      classification="Unknown"; break;