... mat - general communications with ASCII Transceivers [SNAP Commands] . ... pcal - set up/activate pcalr (Mark III rack) [SNAP Commands] . ... Computer Communications [Setup Mark III Hardware] . Data Buffer [Setup Mark III Hardware] . Decoder [Setup Mark III Hardware] . Formatter [Setup Mark III Hardware] . ... Tape Drive [Setup Mark III Hardware] . ... tape - tape recorder control and monitor (Mark III drive) [SNAP Commands] . ... tapepos - position tape (Mark III drive) [SNAP Commands] . ...

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

Pulkovo permanent GNSS station PULK . ... Initially, Trimble 4000SSE receiver and TRM33429.20+GP antenna without radome were installed at the station. ... Both hourly and daily data are delivered to EPN data centers. ... Daily PULK station position is computed in the Precise Point Positioning (PPP) mode using orbits, clocks, EOP, and antenna absolute phase center corrections provided by the JPL ftp service . Ocean loading is computed using data obtained from the OSO ocean tide loading provider . ...

... ALMA . ... ARC Staff at ESO . ... The European ALMA Regional Centre (ARC) provides the interface between the ALMA project and the European science community. ... Below you can read the latest Announcements from the European ARC Network.. ... The call for 1-mm Very Long Baseline Interferometry (VLBI) proposals to use phased ALMA at Band 6 in Cycle 4, in collaboration with the Event Horizon Telescope Consortium (EHTC), will be released to coincide with the ALMA Cycle 4 Call for Proposals in March 2016...

... For new participaing countries and the countries, starting their activity at the International Astronomy Olympiad (see the Supplementary Instructions N 3 ), presenting the short report is optional. ... May 18 , 2013. moved to 15 weeks before the Olympiad (according to common solution of OAC and LOC): . ... The (age) groups are defined by rules 4.5.2-4., i.e.: . ... Participants of the both groups must be not younger than 14.00 years on December 31, 2013 (i.e. born in 1999 or earlier). ...

Since the end of the 2004 millimetre season, substantial progress has been made on improving the overall functionality of the 3-mm system. ... Figure 1: Compact Array system sensitivity at 3 mm. ... to 1 June 2005. ... Replacing the Mopra 3-mm SIS receiver with a "Compact Array-style" MMIC receiver is a part of the MNRF-1997 program. Following the successful installation of the 3-mm systems at the Compact Array in 2004, it was intended that the Mopra receiver would be ready for the 2005 season. ...

... Jay Apt (Ph.D.) . NASA Astronaut (Former) . ... PUBLICATIONS: Dr. Apt shared his images and knowledge in the publication Earth in Orbit : NASA Astronauts Photograph the Earth , written in conjunction with NASA scientists Michael Helfert and Justin Wilkinson and published by the National Geographic Society. ... From 1976 to 1980 he was a staff member of the Center for Earth & Planetary Physics, Harvard University, supporting NASA s Pioneer Venus Mission by making temperature maps of Venus from Mt. ...

Use the XPA programs to send/receive data to/from XPA servers from the command line or from scripts. <data> | xpaset [-h] [-i nsinet] [-m method] [-n] [-p] [-s] [-t sval,lval] [-u users] [-v] <template> [paramlist] xpaget [-h] [-i nsinet] [-m method] [-s] [-t sval,lval] [-u users] <template> [paramlist] xpainfo [-h] [-i nsinet] [-m method] [-n] [-s] [-t sval,lval] [-u users] <template> [paramlist] xpaaccess [-c] [-h] [-i nsinet] [-m method] [-n] [-u users] [-v|-V] <template> [type] <data> | ...

... On-line calibration consists of calibration operations performed to maintain the ALMA observing system properly tuned to successfully execute the planned observations. ... Among processing operations are the calibration of the atmospheric absorption, of phase radiometric correction, of pointing scans, of phase and amplitude reference measurements, .. ... In the mean time tests of the calibration software will proceed using both simulated data and data from the antenna prototypes...?re 1 . ...

Superconducting Integrated THz Receivers: Development and Applications li t i Outline · · · · · · Superconducting Integrated Receiver ( SIR ) Flux Flow Oscillator ( FFO ) for the SIR TErahertz LImb Sounder ( TELIS ) project ( TELIS ) Results of the TELIS flights Future SIR applications Conclusion 2011 , September 22 Centennial Superconductivity Conference 2011 2 Superconducting Integrated Receiver ( SIR ) with phase-locked ...

MRO Delay Line Socket Initialisation Protocol for Delay Line Computers E. B. Seneta bodie@mrao.cam.ac.uk rev 1.0 13 October 2006 Cavendish Laboratory JJ Thomson Avenue Cambridge CB3 0HE UK Objective To describe the protocol by which network connections are to be made and broken between delay line computers. Scope This document describes how to make and break network connections for the purpose of sending and receiving delay line command, command data, status and telemetry messages. ...

... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Antenna system . ... The Irkutsk incoherent scatter radar is one of the world's nine active radars which give the opportunity to investigate ionosphere by the incoherent scatter method. ... Antenna gain coefficient . ... Antenna . ... Two antennas . ... To get an idea what station "Dnepr" antenna system looks like, let us consider some of the radar views which are given by the photographs General view and Side view . ...

Russian . Main . ... RadioAstron User Handbook: English version . Protocol of the functional constraints for RadioAstron mission elements: Russian version . RadioAstron Mission Operations Handbook: English / Russian version . ... The status of the 92 cm receiver: English / Russian version . ... Memo 8 - Multifrequency receiver for RadioAstron mission - July, 2006, (in Rus). ... Memo 1 - A new science strategy of the RadioAstron mission with a high apogee orbit - February, 1998. ...

... With enough velocity, a spacecraft can break loose from the Earth's gravity and enter an orbit around the Sun, like that of a planet. If it then orbits the Sun with the same period as the Earth--one year--it may keep a fixed position relative to Earth. ... If the distance is just right--about 4 times the distance to the Moon or 1/100 the distance to the Sun--the spacecraft, too, will need just one year to go around the Sun, and will keep its position between the Sun and the Earth. ...

Quasar VLBI network observatories as co-location sites A. Ipatov, I. Gayazov, S. Smolentsev Institute of Applied Astronomy, Saint Petersburg, Russia ... supposes: 1. installation of different observational techniques at sites (co-location) 2. combined processing of different types of observations (collocation) IAA activity in space geodesy · Quasar VLBI network : ­ VLBI observations ­ GPS /GLONASS observations ­ DORIS ( ...

... Positions in 2000 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2001 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2002 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2003 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2004 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . ...

... Up: Interrupts and Signals Previous: Sending Signals - kill() . int (*signal(int sig, void (*func)()))() - that is to say the function signal() will call the func functions if the process receives a signal sig . ... signal(SIGINT, SIG_IGN); . ... Finally lets write a program that communicates between child and parent processes using kill() and signal(). fork() creates the child process from the parent. ... The child picks up these signals with signal() and calls appropriate functions. ...

... SMIS ] . noise temperature of the low noise amplifier less than 100 K . automatic frequency and polarization adjustment of the received signal . double transform of frequency . power supply: single phase, 220 V, 50 Hz . power consumption: less than 30 Wt . the unit measures: 470 x 300 x 130 mm . weight: less than 10 kg . ... Back to SMIS Home Page . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Moon . ... Space Flight . ... Science Fiction . UFOs and Fringe Science . Monthly Sky Notes . ... NASA's Cassini spacecraft obtained this image of Saturn's moon Helene on June 18, 2011. Image credit: NASA/JPL-Caltech/Space Science Institute) . ... Your email address will not be published. ... Email * . ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...