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By accessing this website, and the courses and other resources contained in it, you agree to the Terms of Use set out below.

Please note that our Privacy Policy forms part of these Terms.

This website is owned and operated by High Frequency Publishing, publisher of: "The Physics and Technology of Diagnostic Ultrasound: A Practitioner's Guide"  and "The Physics and Technology of DIagnostic Ultrasound: Study Guide", both by Robert Gill, and "Artifacts in Diagnostic Medical Ultrasound: Volume 1 Grayscale Artifacts" by Martin Necas.

All of the content provided by this website (information, text, graphics, presentations, videos etc) is copyright and protected under Australian and international law. Where indicated the materials may be downloaded and printed in the course of your personal learning, but they may not be reproduced, sold to or shared with other parties for any reason.

Every effort has been made in preparing these materials to provide accurate and up-to-date information. However the author and publishers can make no warranties that the information is entirely free from error, and therefore they disclaim all liability for direct or consequential damages resulting from the use of material in the website.

Further, it must be understood that the courses in this website are provided as an aid in studying the physics and technology of diagnostic ultrasound. Successfully undertaking one or more of the courses provided here does not guarantee that you will be successful in other examinations and assessments provided by third parties.

When you enrol for a paid course on this website you will be permitted to access the course for a specified period. Your enrolment is strictly for your personal use; it may not be shared with other parties.

You may cancel your enrolment in a course and receive a refund only if you have not accessed the course. An administrative fee may be charged for the cancellation. 

If you have any questions, please contact:
Dr Robert Gill

phone: (02) 9712 0436


10/3 Abbotsford Cove Drive
Abbotsford NSW 2046

Phone: +61 (2) 9712 0436