| SPRTHT |
| SPRTHT | CALLed by | PRTNHI |
| CALLs to | ATAN2 HEADER INT MIN MOD SQRT | |
| Chng COMMON | **NOTHING** | |
| Uses COMMON | **NOTHING** | |
| Chng MODULE | IGRP INDGRP IREC ISRC NCPP NPPX NPPY NRPP WORKID | |
| Uses MODULE | AXR AXS AYR AYS AZS CHIDEP CHRAVE GRPID HCLMSG HIVALU IAVE IGROUP IGRP INDGRP INNET IOUNIT IREC IREF IRSTAT ISRC ITYP NCPP NETEND NETSTA NHIDAT NPPX NPPY NRPP NSRC NTID NTTYP NUMGRP NUMREC NUMSRC NUMXPT NUMYPT OUTLBL POLLUT RECTYP SRCID SRCTYP WORKID XCOORD YCOORD | |
| Uses Argument | IHNUM | |
| Chng Argument | **NOTHING** | |
| Uses PARAMETER | RTODEG | |
| Local Var | BUF132 CHRVAL DIR DIST I II INDC INDEXW INDZ ISRF J K MODNAM NX NY XRMS YCOVAL YRMS |