The forecasts are:
SkewT Refraction vs. Time for Elev=10°
SkewT Ground-Level Derivative vs. Time for Elev=10°
GBT - SkewT vs. Time for Elev=10°
SLALIB - SkewT vs. Time for Elev=10°
SkewT Refrac vs. Hght for Elev=10d calculated for 2008 Jul 04 15:00 UT
SkewT Derivitive vs. Hght for Elev=10d calculated for 2008 Jul 04 15:00 UT