$IAEA_INDEX:
1000   // Test header

$TITLE:
PHASESPACE in IAEA format 

$FILE_TYPE:
0

$CHECKSUM:
5000 

$RECORD_CONTENTS:
    1     // X is stored ?
    1     // Y is stored ?
    0     // Z is stored ?
    1     // U is stored ?
    1     // V is stored ?
    1     // W is stored ?
    0     // Weight is stored ?
    0     // Extra floats stored ?
    1     // Extra longs stored ?
    1     // Incremental history number stored in the extralong array [ 0] 

$RECORD_CONSTANT:
     5.0000     // Constant Z
     0.1000     // Constant Weight

$RECORD_LENGTH:
25

$BYTE_ORDER:
1234

$ORIG_HISTORIES:
1000

$PARTICLES:
200

$PHOTONS:
40

$ELECTRONS:
40

$POSITRONS:
40

$NEUTRONS:
40

$PROTONS:
40

$TRANSPORT_PARAMETERS:

$MACHINE_TYPE:

$MONTE_CARLO_CODE_VERSION:

$GLOBAL_PHOTON_ENERGY_CUTOFF:
  0.00000 
$GLOBAL_PARTICLE_ENERGY_CUTOFF:
  0.00000 
$COORDINATE_SYSTEM_DESCRIPTION:

//  OPTIONAL INFORMATION

$BEAM_NAME:

$FIELD_SIZE:

$NOMINAL_SSD:

$MC_INPUT_FILENAME:

$VARIANCE_REDUCTION_TECHNIQUES:

$INITIAL_SOURCE_DESCRIPTION:

$PUBLISHED_REFERENCE:

$AUTHORS:

$INSTITUTION:

$LINK_VALIDATION:

$ADDITIONAL_NOTES:
This is IAEA header as defined in the technical 
report IAEA(NDS)-0484, Vienna, 2006

$STATISTICAL_INFORMATION_PARTICLES:
//        Weight        Wmin       Wmax       <E>         Emin         Emax    Particle
                4        0.1        0.1       2.05           0.1           4   PHOTONS
                4        0.1        0.1       6.05           4.1           8   ELECTRONS
                4        0.1        0.1      10.05           8.1          12   POSITRONS
                4        0.1        0.1      14.05          12.1          16   NEUTRONS
                4        0.1        0.1      18.05          16.1          20   PROTONS

$STATISTICAL_INFORMATION_GEOMETRY:
 -1  1
 -1  1