elevation angle
101HRS antenna — HRS type antennas are more or less the standard antenna used for long distance high power shortwave broadcasting (> 1000 km). Contents 1 History of HRS design 2 Nomenclature 3 A versatile antenna type …
102P-3 radar — Country of origin  Soviet Union Introduced 1947 Type Early Warning Ground Control …
103BMP-1 — at US Bolling Air Force Base, 1 October 1986. Type Infantry fighting vehicle Place of origin …
1047.62 cm PaK 36(r) — Infobox Weapon name=7.62 cm Panzerabwehrkanone 36(Russland) caption=PaK 36(r) anti tank gun, displayed on the grounds of CFB Borden. origin=Germany type=anti tank gun is ranged= is bladed= is explosive= is artillery=yes is vehicle= is UK= service …
105ZSU-37 — Infobox Weapon|is vehicle=yes name=ZSU 37 caption=ZSU 37 SPAAGs before beginning of the military parade in Moscow, 7 November 1946 origin=Soviet Union type=Self propelled anti aircraft gun crew=6 men cite book | first = Alexander | last =… …
106Dawn — is the beginning of morning twilight Dawn sky …
107Insolation — is a measure of solar radiation energy received on a given surface area in a given time. It is commonly expressed as average irradiance in watts per square meter (W/m²) or kilowatt hours per square meter per day (kW·h/(m²·day)) (or hours/day). In …
108HRS type antennas — are more or less the standard antenna used for long distance high power shortwave broadcasting (> 1000 km). History of HRS design HRS antennas were discovered during the 1920s, and as such were not originally intended for voice and music… …
109152 mm howitzer-gun M1937 (ML-20) — Infobox Weapon name=152 mm howitzer gun M1937 (ML 20) caption=ML 20 in Hämeenlinna artillery Museum, Finland. origin=USSR type=howitzer gun is ranged= is bladed= is explosive= is artillery=yes is vehicle= is UK= service= used by= wars=… …
110Cellini's halo — heiligenschein. [named after Benvenuto CELLINI, who described the effect] * * * ▪ physics also called Heiligenschein, bright white ring surrounding the shadow of the observer s head on a dew covered lawn with a low solar elevation angle …
