Summary bI]UO )
This study is a detailed follow-up to two previous studies concerning stray light in the EO-1 HS6Imi
telescope (see EO-1 Stray Light Analysis Reports 1 and 2). Following coating of the EO-1 flight z[\W\g*|ri
mirrors, the BRDF was measured by SSG, then re-measured by Schmitt Measurement Systems. _d[2_b1
The stray spectral radiance from the Stray Radiation Scene described in the LANDSAT 7 ?FV7|)f
specification was recalculated using the Schmitt BRDF measurements and a simple spreadsheet 37 O#aJ,K
calculation. This calculation assumes the Point Source Transmittance (PST) is rotationally OKZam ik~
symmetric, and does an integration over the Stray Radiation Scene. lii ]4k+z
To refine this estimate of stray radiance, ray-trace simulations were done using TracePro to better Md>f
predict the PST. The PST was used to calculate the stray spectral radiance using a C++ computer ?Tc)f_a
program written for this purpose. The stray spectral radiance was computed by integrating over foz5D9sQ
the LANDSAT 7 Stray Radiation Scene, weighed by the PST.
