These waves occur within the lower 20 km of the atmosphere, and are comprised of a direct and reflected wave. The radio waves having high frequencies are basically called as space waves. These waves have the ability to propagate through atmosphere, from transmitter antenna to receiver antenna.
In published articles it also identifies the article for the reader at a glance. Formatting Instructions. The running head (along with the page numbers) appears in the header of every page (the header by nature is situated within the top margin of your paper; all the margins themselves should be set to 1 inch).
In the Page Setup dialog box, on the Header/Footer tab, click Custom Header or Custom Footer. To specify where in the header or footer you want the page number to appear, click inside the Left section, Center section, or Right section box. To insert numbers, click the Insert Page Number button.