Online trading in financial instruments such as stocks, options, futures, foreign exchange, foreign securities and bonds can involve a significant risk of loss. All trading symbols presented are for illustrative purposes only and do not constitute recommendations. Evidence to support statements as well as statistical material can be provided upon request. Interactive Brokers ®, IBSM, ®, IB Universal Account ®, Interactive Analytics ®, IB Options AnalyticsSM, IB SmartRoutingSM, PortfolioAnalyst ® und IB Trader WorkstationSM are service marks/ or trademarks of Interactive Brokers LLC. This assistance service is rendered on the basis of the applicable general terms and conditions and customer information, which can also be found on our homepage. CapTrader exclusively provides assistance services for the client´s establishment of a business connection with Interactive Brokers and the use of Interactive Brokers electronic order system. CapTrader does not execute orders in financial instruments, does not advise on financial instruments and as well does not hold client assets. Total research, development, launch, and support costs for the Ranger series of spacecraft (Rangers 1 through 9) was approximately $170 million.CapTrader acts as an introducing broker of Interactive Brokers. Gamma-ray data were collected for 4 hours prior to the loss of power. The batteries ran down after 8 hours, 44 minutes, rendering the spacecraft inoperable. Due to an unknown malfunction after injection into lunar trajectory from Earth parking orbit, the spacecraft failed to receive power. At the appropriate altitude the capsule was to separate and the retrorockets ignite to cushion the landing. The mission was designed to boosted towards the Moon by an Atlas/Agena, undergo one mid-course correction, and impact the lunar surface. The radar altimeter would be used for reflectivity studies, but was also designed to initiate capsule separation and ignite the retro-rocket. The instrument package floated in a layer of freon within the balsawood sphere. The seismometer was encased in the lunar capsule along with an amplifier, a 50-milliwatt transmitter, voltage control, a turnstile antenna, and 6 silver-cadmium batteries capable of operating the lunar capsule transmitter for 30 days, all designed to land on the Moon at 130 to 160 km/hr (80 -100 mph). The experimental apparatus included: (1) a vidicon television camera, which employed a scan mechanism that yielded one complete frame in 10 s (2) a gamma-ray spectrometer in a 30 cm sphere mounted on a 1.8 m boom (3) a radar altimeter and (4) a seismometer to be rough-landed on the lunar surface. White paint, gold and chrome plating, and a silvered plastic sheet encasing the retrorocket furnished thermal control. The telemetry system aboard the spacecraft consisted of two 960 MHz transmitters, one at 3 W power output and the other at 50 mW power output, the high-gain antenna, and an omnidirectional antenna. Attitude control was provided by six Sun and one Earth sensor, gyroscopes, and pitch and roll cold nitrogen gas jets. Spacecraft control was provided by a solid-state digital computer and sequencer and an earth-controlled command system. Power was generated by 8680 solar cells contained in the solar panels which charged a 11.5 kg 1000 W-hour capacity AgZn launching and backup battery. Two wing-like solar panels (5.2 m across) were attached to the base and deployed early in the flight. A large high-gain dish antenna was attached to the base. The basic vehicle was 3.1 m high and consisted of a lunar capsule covered with a balsawood impact-limiter, 65 cm in diameter, a mono-propellant mid-course motor, a 5080-pound thrust retrorocket, and a gold- and chrome-plated hexagonal base 1.5 m in diameter. Ranger 5 was a Block II Ranger spacecraft similar to Rangers 3 and 4. Due to an unknown malfunction, the spacecraft ran out of power and ceased operation. Ranger 5 was designed to transmit pictures of the lunar surface to Earth stations during a period of 10 minutes of flight prior to impacting on the Moon, to rough-land a seismometer capsule on the Moon, to collect gamma-ray data in flight, to study radar reflectivity of the lunar surface, and to continue testing of the Ranger program for development of lunar and interplanetary spacecraft.
0 Comments
Leave a Reply. |