Near Vertical Incidence Skywave: Interaction of antenna and propagation mechanism

Physics

• Ambient Noise 4%
• Angular Distribution 9%
• Antenna 100%
• Area 23%
• Blanks 4%
• Broadcasting 4%
• Distance 14%
• Earth 4%
• Electromagnetism 4%
• Foci 4%
• Frequencies 23%
• Independent Variables 14%
• Isolation 4%
• Knowledge 4%
• Measurement Method 4%
• Networks 4%
• Noise Measurement 4%
• Optimization 28%
• Performance 14%
• Radio Communication 4%
• Radio Wave 9%
• Region 4%
• Signal-to-Noise Ratio 9%
• Standard 4%
• Telemedicine 4%
• Variations 4%
• Wave Propagation 9%
• World 4%

Earth and Planetary Sciences

• Critical Frequency 5%
• Sunspot 5%