RFM Flags

OBS Flag: Specify Observer Location

27AUG17

Enabled
Driver Table requires *OBS section
Allows possibility of specifying ray paths for an observer within the atmosphere and/or in terms of elevation angle.

Disabled
Observer assumed at infinity
Ignore *OBS section.

Restrictions
Incompatible with HOM and TAB Flags.

Notes
  1. The LEV Flag may be a useful alternative if calculations for a number of observer altitudes along the same ray path are required.
  2. See *OBS section for further details

Bugs
Bug#49 (Fixed v4.24)
Bug#48 (Fixed v4.24)
Bug#45 (Fixed v4.23)