The default extension for the name of a multi-coverage file is .mcv.
[header] [rest mcv] <end>
The type of the file must be mcv.
{ <environment> $int$:32 } [transmitter geo list] <RECEIVER> [receiver grid] [mcv values]
The environment value represents the check sum of the environment file for which the LOS multi-coverage file has been computed. There must be number of receiver points (size of the grid) times number of transmitters many mcv values present.
[mcv value] | [mcv values]
$int$:16
A value different from zero means that corresponding LOS exits.