http://wireless.nmsu.edu/hf/standards/MIL/ 15 January 2002 (copied 27-Jan-2004) The current issues of MIL-STD-188-141B and MIL-STD-188-110B are posted here for the convenience of the HF community. However, this site is not an authoritative source for these documents. Official copies of military standards are available from the Standardization Document Order Desk, 700 Robbins Ave. Building 4D, Philadelphia, PA 19111-5094. Some files are available in Portable Document Format (PDF). The usual tool for viewing and printing PDF files is Adobe Acrobat Reader. MIL-STD-188-141B Interoperability and Performance Standards for Medium and High Frequency Radio Systems MIL-STD-188-141B Change Notice 1 MIL-STD-188-110B Interoperability and Performance Standards for Data Modems This site maintained by Eric E. Johnson Klipsch School of Electrical and Computer Engineering New Mexico State University Dept. 3-O, Thomas & Brown 106 Las Cruces, NM 88003 USA ejohnson@nmsu.edu