XTENSION= 'IMAGE   '           / IMAGE extension                                
BITPIX  =                  -32 /  IEEE single precision floating point          
NAXIS   =                    2 / Number of data axes                            
NAXIS1  =                  537 / Number of positions along axis 1               
NAXIS2  =                 1024 / Number of positions along axis 2               
PCOUNT  =                    0 / No Group Parameters                            
GCOUNT  =                    1 / One Data Group                                 
EXTNAME = 'Field_Strength'     / Merlin : Field Strength                        
END