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Links To Other Web and FTP Sites

SafeNet (Aladdin) Hasp Key Drivers

HDD32.exe. The original Legacy Hasp Key driver.


Latest Sentinel Driver


USGS Elevation Data

USGS EROS Data Center Home

Download SRTM1 1-Second Elevation Data (SRTM1)

Display SRTM1 Region Map

Download SRTM3 3-Second Elevation Data (SRTM3)

Canada GeoBase Data Center

GeoBase is a federal, provincial and territorial government initiative that is overseen by the Canadian Council on Geomatics (CCOG). It is undertaken to ensure the provision of, and access to, a common, up-to-date and maintained base of quality geospatial data for all of Canada. Through the GeoBase portal, users with an interest in the field of geomatics have access to quality geospatial information at no cost and with unrestricted use.

GeoBase Web Home Page

FTP Home

FTP Data Indexes - Google Earth KML-KMZ Files, ZIP Files

FTP CDED 50k DEM Download

National Geophysical Data Center (NGDC)

The Mission of NOAA's National Geophysical Data Center (NGDC) is to provide long-term scientific data stewardship for the Nation's geophysical data, ensuring quality, integrity, and accessibility.

A treasure trove of online calculations, product downloads, and scientific information.

National Geophysical Data Center (NGDC)

Magnetic Declination Calculator (NGDC)

Open or download True North Azimuth --> Magnetic North Azimuth application note

International Telecommunications Union (ITU)

Link to ITU publications.

ITU-R Recommendations

P - Radiowave Propagation

P.530-16 - Propagation data and prediction methods required for the design of terrestrial line-of-sight systems

P.833 - Attenuation in Vegetation