originPointBackAzimuth

True if the origin is within the given back azimuth range of the given lat and lon.

Example 

<originPointBackAzimuth>
    <latitude>35</latitude>
    <longitude>-85</longitude>
    <unit>DEGREE</unit>
    <min>30</min>
    <max>90</max>
</originPointBackAzimuth>

This consists of

Places this can be found

In origin there is a choice between all of the following