GOES 15 New Average HEPAD S15 numerical meta data

GOES 15 numerical data meta data based on data at NOAA.
The two files are the same except different temporal resolution.
Passed URL check. Files validated.
Did not pass reference check. Will some one please through the GOES
15 EPS instrument meta data.

Signed-off-by: james weygand <jweygand@igpp.ucla.edu>