MIL-STD-187/721D, DEPARTMENT OF DEFENSE INTERFACE STANDARD: INTEROPERABILITY AND PERFORMANCE STANDARD FOR ADVANCED ADAPTIVE HF RADIO (01 MAR 1999) [NO S/S DOCUMENT]

MIL-STD-187/721D, DEPARTMENT OF DEFENSE INTERFACE STANDARD: INTEROPERABILITY AND PERFORMANCE STANDARD FOR ADVANCED ADAPTIVE HF RADIO (01 MAR 1999) [NO S/S DOCUMENT]., The purpose of this document is to describe the technical parameters for adaptive high frequency (HF) radio that are more advanced than those described in MIL-STD-188-141. The advanced technology contained in this standard will guide the planning of military adaptive HF radio network technology into the 21st century. To fully understand and utilize this document, it is necessary to refer to portions of MIL-STD-188-141.