| name | size | initialisation |
| $pir_available = if(bytes(/pir,5) == "E2GOM", 1, 0) |
| $ersi_available = if(bytes(/ersi,15) == "ERS Information", 1, 0) |
| $sfs_cdr_available = if(bytes(/sfs,14) == "Solar Spectrum", 1, 0) |
| $efs_egp_available = if(bytes(/efs,19) == "Earthshine Spectrum", 1, 0) |
| $smfs_smmd_available = if(bytes(/efs,17) == "Sunshine Spectrum" or bytes(/efs,18) == "Moonshine Spectrum", 1, 0) |
| $num_egp = int(/efs/num_ground) |
| $num_smmd = int(/smfs/num_measurements) |
| $egp_pdr_available = if(bytes(/egp[0]/pdr,3) == "PMD", 1, 0) |