Revision	Date	Author	Comment
38c2a4d963e7856f4416e35b880ffdda6e4a29db	Feb 11 2016 19:38	wlloyd <wlloyd@titan>	- lat/long now default as "???" to support fast failure - sim x len, sim y len now default as 0 to support fast failure - use cli station elevation for rfd elevation by default per larry