U.S. Department of Commerce NTIA/ITS
Institute for Telecommunication Sciences
High Frequency Propagation Models
The software contained within was developed by an agency of the
U.S. Government. NTIA/ITS has no objection to the use of this
software for any purpose since it is not subject to copyright
protection in the U.S.
No warranty, expressed or implied, is made by NTIA/ITS or the
U.S. Government as to the accuracy, suitability and functioning
of the program and related material, nor shall the fact of
distribution constitute any endorsement by the U.S. Government.
If you require software changes to meet your needs, a mechanism now exists
where you can easily fund (pay for) the work to be done.
Please view the generic Software Development CRADA
to see the boilerplate agreement.
Requests to modify the ITS HF Propagation Models should be made to:
Phone: (303) 497-3375.
The Department of Commerce has made this HF propagation software available
free of charge, as is from these web pages.
Please understand there is no general funding to assist the users of this software.
Users desiring program enhancements are encouraged to read the CRADA above and contact NTIA/ITS.
The following HF propagation models for Windows PCs are available from NTIA/ITS: