RFM Flags  
22NOV23 

Flag  Description 

ABS  Write Absorption spectra 
BIN  Write output spectra as binary files 
BBT  Write Brightness Temperature spectra 
COO  Write Cooling Rate spectra 
DBL  Write spectra with Double Precision 
GHZ  Spectral units GHz rather than cm1. 
JAC  Write Jacobian spectra 
JTP  Jacobian spectra for tan. pt. perturbations only 
LEV  Intermediate outputs at specified levels 
LOS  Write Pointing Jacobian spectra 
NEW  Open output files as 'NEW' 
OPT  Write Optical Depth spectra 
PRF  Write out internal profile 
PTH  Write Ray Path diagnostics 
RAD  Write Radiance spectra 
RJT  Write RayleighJeans Temperature spectra 
SHH  Suppress terminal progress messages 
TAB  Write tabulated absorption coefficients 
TRA  Write Transmission spectra 
WID  Write Widemesh diagnostics 
Flag  Description 

C32  Use v3.2 (old version) H2O Continuum 
CHI  Include Chifactor for CO2 lines 
CTM  Include Continuum absorption 
MIX  Include Linemixing 
MTX  Matrix output (with Flux calculations) 
NTE  Use nonLTE calculations 
QAD  Quadratic fit for line wings 
REX  Include Rayleigh extinction 
SHP  Use nonVoigt line shapes 
VVW  Apply VVW correction to line shapes 
Flag  Description 

AVG  Spectrally averaged output 
FOV  Convolve with fieldofview 
FVZ  Treat FOV function as representing refracted altitudes rather than projected altitudes 
ILS  Convolve with instrument lineshape 
Flag  Description 

CLC  Calculate absorption coefficients for every path segment 
FIN  Userspecified fine mesh resolution 
GRD  Use Irregular Grid for calculations 
LUT  Use LookUp Tables for Absorption Coefficients 
REJ  Ignore weak lines 
SVD  Use SVDcompressed LookUp Tables for Absorption Coefficients 
Flag  Description 

BFX  Use Planck v. optical depth in layers 
FLX  Fluxtype calculations (over solid angle) 
GEO  Use geometric (cf.refracted) ray paths 
GRA  Assume horizontal gradients (2D atmosphere) 
HOM  Perform Homogeneous path calculation 
HYD  Assume hydrostatic eqlbm to derive CG paths for plane parallel atmosphere 
LAY  Halve the vertical spacing of the usersupplied profile grid Automatic sublayering of profiles 
LIN  Assume VMR varies linearly with altitude 
NAD  Nadirviewing 
OBS  Specify Observer Location 
SFC  Specify surface characteristics 
VRT  Fluxtype calculations without solidangle integration 
ZEN  Zenithviewing 