| IBLVAL |
| IBLVAL | CALLed by | ACALC AERCALC F2INT OCALC PLUMEF PLUME_VOL PWIDTH VOLCALC |
| CALLs to | ADISZ ANYAVG GINTRP LOCATE MAX MIN PDIS SQRT VDIS | |
| Chng COMMON | **NOTHING** | |
| Uses COMMON | **NOTHING** | |
| Chng MODULE | CENTER HTEFF SVEFF SVEFF3 SVEFFD SVEFFN SWEFF SWEFF3 SWEFFD SWEFFN UEFF UEFF3 UEFFD UEFFN | |
| Uses MODULE | CENTER DBGUNT DEBUG HE HE3 HS IREC ISRC PPF PVMRM SRCTYP STABLE SVEFF SVEFF3 SVEFFD SWEFF SWEFF3 SWEFFD SZ SZ3 SZD1 SZD2 UEFF UEFF3 UEFFD UNSTAB ZI ZRT | |
| Uses Argument | XARG | |
| Chng Argument | **NOTHING** | |
| Uses PARAMETER | MXGLVL SVMIN SWMIN SZCOEF | |
| Local Var | MODNAM NDXALO NDXBHI NDXBLO NDXEFF SZ3NEW SZ3OLD SZDAVG SZDNEW SZDOLD SZNEW SZOLD ZHI ZLO |