Location is Not Enough

• The key in M&S is not so much where you are, but who you can interact with …

  • Remembering that “who” includes both systems and things in the environment itself

• A complete SRM must address:

  • Direction (azimuth and elevation angle)
  • Range
  • (support for) Geometric intervisibility
  • Gravity (and implied slope | pitch/roll)

• Location interconversionsbetween common spatialreference frames do notnecessarily preserve these

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