Understanding NVIS скачать в хорошем качестве

Understanding NVIS

This video explains the fundamental principles of near vertical incidence skywave (NVIS) propagation, including the importance of incidence angle, frequency, and common antenna types. Understanding HF Propagation:    • Understanding HF Propagation   HF Learning Center: https://www.rohde-schwarz.com/us/camp... More information about strategic HF communications: https://www.rohde-schwarz.com/us/solu... Need help with Rohde & Schwarz products & services? Contact Us: https://www.rohde-schwarz.com/us/m4c/... Unlock this topic with our complimentary webinar series lead by industry experts: https://www.rohde-schwarz.com/us/camp... Master this topic and earn a complimentary badge that can be shared on LinkedIn: https://rohdeschwarz.talentlms.com/pl... Engage more with Rohde & Schwarz Technology Academy and earn an IEEE certificate: https://www.rohde-schwarz.com/us/know... Index: 0:36 Review of skywave propagation 1:30 Skip zones 2:14 NVIS overview 3:20 Practical advantages of NVIS 4:25 Operational advantages of NVIS 5:50 NVIS disadvantages 6:33 NVIS frequencies 7:52 NVIS antenna overview 8:55 Elevation and azimuth patterns 11:12 Common NVIS antenna types 15:03 Mobile NVIS antennas 16:46 Skywave vs. Groundwave 17:41 Summary