Getting the right travel insurance cover is even more important if you have a pre-existing medical condition or you are looking for travel insurance over 65. specialises in providing travel insurance for pre-existing medical conditions and travel insurance over 65.nce you enter the dates of your trip and declare any pre-existing medical conditions you will be asked if you want to add any additional travel insurance cover. You can add winter sports cover at this point.
Elevation, or geometric height, is mainly used when referring to points on the Earth 's surface, while altitude or geopotential height is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit, and depth is used for points below the surface.
The altitude angle (sometimes referred to as the solar elevation angle) describes how high the sun appears in the sky. The angle is measured between an imaginary line between the observer and the sun and the horizontal plane the observer is standing on.The altitude angle is negative when the sun drops below the horizon.(In this graphic, replace N with S for observers in the Southern Hemisphere.).he angle is measured between an imaginary line between the observer and the sun and the horizontal plane the observer is standing on. The altitude angle is negative when the sun drops below the horizon. (In this graphic, replace N with S for observers in the Southern Hemisphere.).