CONTENTS

Policy on Intellectual Property Right (IPR)
List of abbreviations
Recommendations and Reports cited
�1���� Introduction
�2���� Amateur and experimental observations of propagation near 500 kHz
�3���� List of administrations and conditions of operation
������� 3.1���� List of administrations
����������������� 3.1.1���� Secondary authorizations
����������������� 3.1.2���� Test licenses
����������������� 3.1.3���� Experimental licenses
����������������� 3.1.4���� Scientific license
����������������� 3.1.5���� Beacons (continually transmitting stations for use in propagation monitoring)
������� 3.2���� Conditions of operation � General remarks
�4���� Station characteristics and typical operation
Annex Detailed examples of operations by administrations
�1���� Australia
������� 1.1���� Introduction
������� 1.2���� Experimental operation in Australia
������� 1.3���� CW Beacon Transmissions
������� 1.4���� Very-Slow-Speed CW Transmissions
������� 1.5���� Weak Signal Propagation Reporter
������� 1.6���� Digital modes
������� 1.7���� Two way contacts
������� 1.8���� Development of transmitters, receivers, antenna systems and inference mitigation
������� 1.9���� Field-strength measurements
������ 1.10���� Conclusion
�2���� Canada
������� 2.1���� Framework for experiments by radio amateurs in Canada
������� 2.2���� Station characteristics and typical operation
������� 2.3���� Experimental operations in Canada
�3���� United States of America
�4���� United Kingdom
���� ���4.1���� Background
������� 4.2���� Transmitting antenna design and performance
������� 4.3���� Receiving system design
������� 4.4���� Operating modes near 500 kHz
������� 4.5���� Equipment design
������� 4.6���� Conclusions