Page:United States Statutes at Large Volume 63 Part 2.djvu/740

 63 STAT.] MULTILATERAL-TELECOMMUNNICATIONS-OCT. 2, 1947 (App. 9 RR) APPENDIX 9 Miscellaneous Abbreviations and Signals to be used in Radiocommunications (See article 29) SECTION 1. Q CODE Introduction 1. The series of groups QRA to QUZ listed in this Appendix, is for use by all services. 2. The QAA to QNZ series are reserved for the aeronautical ser- vice and the QOA to QQZ series are reserved for the maritime ser- vices. These series are not listed in these regulations. 3. Certain abbreviations may be given an affirmative or negative sense by sending "C" or "N" respectively, immediately following the "Q" code abbreviation. 4. The meanings assigned to "Q" code abbreviations may be amplified or completed by the addition of appropriate other groups, call signs, place names, figures, numbers, etc. It is optional to fill in the blanks shown in parentheses. Any data which is filled in where blanks appear should be sent in the same order as shown in the significations. 5. Abbreviations are given the form of a question when followed by a question mark. When an abbreviation is used as a question and is followed by additional or complementary information, the question mark should follow this information. 6. Abbreviations, with numbered alternative significations, must be followed by the appropriate figure to indicate the exact meaning intended. This figure should be sent immediately following the abbreviation. 7. All time should be given in Greenwich mean time (G.M .T .) unless otherwise indicated in the question or reply. 2037

�