Frequently asked question

What are the Projection Parameters for the RouteMAP IMS Data Packs?

Last Published: April 25, 2020

Answer

1a. US Albers Continental Data Pack

PROJECTION:
Type=Albers Equal-Area Conic Projection
ReferenceSystem= GRS80

PARAMETERS:
Lower Standard Parallel 29.5
Upper Standard Parallel 45.5
Central Meridian -96.0
Reference Latitude 37.5

1b. US Albers Alaska

PROJECTION:
Type = Albers Equal-Area Conic Projection
ReferenceSystem = GRS80

PARAMETERS:
Lower Standard Parallel 55.0
Upper Standard Parallel 65.0
Central Meridian -154.0
Reference Latitude 65.0
False Easting -1950.0
False Northing 1100.0
Scale Factor 0.5

1c. US Albers Hawaii

PROJECTION:
Type = Albers Equal-Area Conic Projection
Reference System = GRS80

PARAMETERS:
Lower Standard Parallel 8.0
Upper Standard Parallel 18.0
Central Meridian -157.0
Reference Latitude 13.0
False Easting -1500.0
FalseNorthing -750.0
ScaleFactor 1.0

2. US Cylindrical Data Pack

PROJECTION:
Type: Equidistant Cylindrical Projection
Reference System: GRS80

PARAMETERS:
Central Meridian -96.0
Reference Latitude 37.5

Article ID:000002995

Software:
  • Legacy Products

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