SGP/SIROS/E12 - Wrong units for broadband irradiance

Headers for SIROS, MFR25m and MFR10m give the units for broadband irradiance as 
'watts per square meter' (W/m^2). However, the units are really 'counts'. 
The fields affected are SIROS:  
'hemisp_broadband:units'
'diffuse_hemisp_broadband:units'
'direct_norm_broadband:units'
MFR:
'mfr_up_hemisp_broadband:units'

This problem has existed since the beginning of the data streams, and was corrected 
by Jeff Slater on 1/23/96 (see C960314.2 by Ken Yates that closed P960229.2)

• Hemispheric broadband irradiance(hemisp_broadband)
• Diffuse Hemispheric Broadband Irradiance, offset corrected(diffuse_hemisp_broadband)
• Direct Normal Irradiance, MFRSR(direct_norm_broadband)