'Low altitudes' diaporamas de présentation

Radio Wave Propagation

Radio Wave Propagation. Carl Luetzelschwab K9LA k9la@arrl.net. A Little About K9LA. Novice WN9AVT in October 1961 WA9AVT in May 1962, selected K9LA in 1977 Enjoy propagation, DXing , contesting, and antennas WorldRadio Propagation columnist since Jan 1997

2.2k views • 125 slides

Chapter 35 Respiration (Sections 35.6 - 35.8)

Chapter 35 Respiration (Sections 35.6 - 35.8). 35.6 How You Breathe. A respiratory cycle is one breath in (inhalation) and one breath out (exhalation)

687 views • 55 slides

RADIO AIDS AND NAVIGATIONAL SYSTEMS

1.24k views • 26 slides

Optimization of future altimeter orbits

Optimization of future altimeter orbits. Outline. Introduction Synthesis of main previous results and studies Detailed presentation of WP4000: Impact of orbit choices on main applications Mission costs Precise Orbit Determination Mesoscale Climate Mean Sea Level

331 views • 24 slides

Ionospheric Morphology

Ionospheric Morphology. Prepared by Jeremie Papon, Morris Cohen, Benjamin Cotts, and Naoshin Haque Stanford University, Stanford, CA IHY Workshop on Advancing VLF through the Global AWESOME Network. What is the Ionosphere?.

1.16k views • 21 slides

ATMOSPHERIC LAYERS

ATMOSPHERIC LAYERS. Why is the Atmosphere Important?. Weather exists because of the atmosphere. It makes the Earth suitable for living things. The atmosphere is the layer of gas that surrounds the planet.

471 views • 21 slides

CHAPTER 4: ATMOSPHERIC TRANSPORT

CHAPTER 4: ATMOSPHERIC TRANSPORT. Forces in the atmosphere: Gravity Pressure-gradient Coriolis Friction. to R of direction of motion (NH) or L (SH). Equilibrium of forces:. In vertical: barometric law In horizontal: geostrophic flow parallel to isobars. g p. P. v. P + D P.

524 views • 19 slides

542 views • 11 slides

Identifying NaK Objects in Space Debris

Identifying NaK Objects in Space Debris. Johanne Christensen. Problem. Soviet RORSAT satellites were deployed between 1967 to 1988 Some of the satellites had nuclear reactors

176 views • 9 slides

Prevailing Winds

Prevailing Winds. Prevailing. Winds. AKA: Global Wind Belts Where convection cells (air masses) meet forming jet streams and prevailing winds Winds move from a area of high pressure to an area of low pressure. H. Polar Easterlies. L. Color red. Blow East to West. H. Trade winds.

490 views • 8 slides

CLOUDS

CLOUDS. Cirrus. *made of ice crystals *high altitudes *horsetail, feathers, wispy *clear, fair weather. Cumulonimbus. *thunderstorm cloud *has a nimbus or halo *brings rain or storms. Cumulus. *puffy, cotton ball *Middle altitudes *warm days *can become cumulonimbus. Stratus.

57 views • 5 slides