'Ground wave propagation' diaporamas de présentation

Advanced Communications User Training

Advanced Communications User Training. (ACUT) New Hampshire Wing, CAP. 1Lt Tony Immorlica Communications Training Officer New Hampshire Wing. Version 1.2 May 1, 2010. Advanced Communications User Training (ACUT). It is assumed the student has read and is familiar with CAPR 100-1 and 100-3.

1.12k views • 94 slides

Amateur Extra Licensing Class

Amateur Extra Licensing Class. Presented by W5YI Arlington, Texas. Skywaves & Contesting. Amateur Radio Extra Class Element 4 Course Presentation. ELEMENT 4 Groupings Rules & Regs Skywaves & Contesting Outer Space Comms Visuals & Video Modes Digital Excitement with Computers & Radios

802 views • 66 slides

Amateur Extra Licensing Class

Amateur Extra Licensing Class. Lake Area Radio Klub Spring 2012. Skywaves & Contesting. Amateur Radio Extra Class Element 4 Course Presentation. ELEMENT 4 Groupings Rules & Regs Skywaves & Contesting Outer Space Comms Visuals & Video Modes Digital Excitement with Computers & Radios

683 views • 66 slides

GWEN

GWEN. And Ground Wave Propagation. What is Ground Wave?. It is a mode of propagation generated only by vertical polarization. It is used exclusively by the broadcast industry for their transmissions. Radio waves remain in contact with the earth. VLF range is thousands of miles.

670 views • 43 slides

GWEN

GWEN. And Ground Wave Propagation. What is Ground Wave?. It is a mode of propagation generated only by vertical polarization. It is used exclusively by the broadcast industry for their transmissions. Radio waves remain in contact with the earth. VLF range is thousands of miles.

437 views • 43 slides

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404 views • 39 slides

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400 views • 39 slides

Transmission Media, Antennas and Propagation

Transmission Media, Antennas and Propagation. Chapter 5. Classifications of Transmission Media. Transmission Medium Physical path between transmitter and receiver Guided Media Waves are guided along a solid medium E.g., copper twisted pair, copper coaxial cable, optical fiber

373 views • 37 slides

Chapter 3

Chapter 3. Mobile Radio Propagation. Outline. Speed, Wavelength, Frequency Types of Waves Radio Frequency Bands Propagation Mechanisms Radio Propagation Effects Free-Space Propagation Land Propagation Path Loss Fading: Slow Fading / Fast Fading Delay Spread Doppler Shift

704 views • 34 slides

General License Course Chapter 8

213 views • 21 slides