time signal emission
21Atomic clock — Nuclear clock redirects here. For the clock as a measure for risk of catastrophic destruction, see Doomsday Clock. For a clock updated by radio signals (commonly but inaccurately called an atomic clock ), see Radio clock. For the album by Zion I …
22List of radio propagation topics — This is a list of radio propagation terms. NOTOC A a index A index aa index active prominence active prominence region (APR) active region active surge region (ASR) active dark filament (ADF) AE index Air Force Geophysics Laboratory (AFGL) arch… …
23CHU (radio station) — Infobox Radio station name = CHU city = Ottawa, Ontario, Canada area = North America branding = slogan = frequency = 3330 kHz, 7335 kHz, 14670 kHz airdate = 1929 share = share as of = share source = format = Time power = 3 kW (3330, 14670 kHz),… …
24DCF77 — L émetteur DCF77 (50° 01′ 00″ N 9° 00′ 29″ E …
25DCF-77 — DCF77 L émetteur DCF77 (50° 01′ 00″ N …
26Heure radiopilotée — DCF77 L émetteur DCF77 (50° 01′ 00″ N …
27Horloge radio pilotée — DCF77 L émetteur DCF77 (50° 01′ 00″ N …
28Radiopiloté — DCF77 L émetteur DCF77 (50° 01′ 00″ N …
29Radio propagation — is a term used to explain how radio waves behave when they are transmitted, or are propagated from one point on the Earth to another. [ H. P. Westman et al, (ed), Reference Data for Radio Engineers, Fifth Edition , 1968, Howard W. Sams and Co.,… …
30Orbit — This article is about orbits in celestial mechanics, due to gravity. For other uses, see Orbit (disambiguation). A satellite orbiting the Earth has a tangential velocity and an inward acceleration …
