... This circuit is used to add several signals to one. ... You can theoretically add how many signals you like. Here's an example with three in-signals: . ... Copyright The Hardware Book Team 1996-2001. May be copied and redistributed, partially or in whole, as appropriate. Document last modified: 2001-06-07 ...

Astronomy Department was found in Kyiv University in 1834 together with other twelve departments of the Faculty of Philosophy. ... At that time V.Struve was a World famous astronom, and helped V.Fedorov in creation of Kyiv University Astronomical Observatory. ... M.Khandrikov successfuly modernized the Observatory. ... Researches of the history of Kyiv Observatory say about an important contribution into development of orbits theory made by the famous Kyiv astronoms I.Illinsky and I.Putilin. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... The on-line diagnostics of the SW channel characteristics operative through back-scattering ionospheric sounding (BSS) is based on adiabatic relations of diagnostic signal characteristics and channel in operation under ionospheric parameter variations (Kurkin V.I , Nosov V.E., Ponomartchuk S.N.et. al. SW radiochannel operative dignostics. ...

GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...

Communications For Your Astronomy Event . Articles | ... Cheap radios, AM modulation and license free operation made this a very popular communication for mobile users like truckers, and civic minded groups like REACT International who provide volunteer radio communications for events. ... 26.9650 MHz . AM and SSB operation allowed in the US . 4.0 Watts . ... 26.9750 MHz . ... www.astronomy.net . About Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

There is a shorthand way of setting permissions by using octal numbers. Read permission is given the value 4, write permission the value 2 and execute permission 1. r w x 4 2 1 . ... So access permissions can be expressed as three digits. For example: user group others chmod 640 file1 rw- r-- --- chmod 754 file1 rwx r-x r-- chmod 664 file1 rw- rw- r-- . ...

... Comet Animation . ... Comet structures are diverse and very dynamic, but they all develop a surrounding cloud of diffuse material, called a coma, that usually grows in size and brightness as the comet approaches the Sun. ... As comets approach the Sun they develop enormous tails of luminous material that extend for millions of kilometers from the head, away from the Sun. ... The evaporated molecules boil off and carry small solid particles with them, forming the comet's coma of gas and dust. ...

Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

... BIK-01 digital channels . ... MSU-E (1) . ... MSU-E ( n ) - data from MSU-E instrument (channel number in brackets). ... In modes 708...712 (when both MSU-E scanners operate simlutaneously), video information from same spectral channels of both scanners is transmitted line-interlaced in single corresponding channel of BIK-01. ... 701 - all MSU-E channels, no MSU-SK data; . 703 - all MSU-E channels, MSU-SK channels 2 and 4 (line-interlaced); . 706 - all MSU-SK channels, no MSU-E data. ...

... SUPER RATIO . ... On this page I will present the most important (on my opinion) idea on Intellegence Life in the Universe . ... On the problem of the Super Ratio in astrophysics" . ... As a matter of fact, this is the main problem of the modern natural science. ... Here I shall try to speak about the most important problem of the modern natural science, the problem which is undoubtedly, of more importance than discovery of Blacks Holes, creation of Grand Unification Theory or Artificial...

See also: Name-based Virtual Hosts Support . As the term IP-based indicates, the server must have a different IP address for each IP-based virtual host . ... There are two ways of configuring apache to support multiple hosts. ... For each installation, use the Listen directive in the configuration file to select which IP address (or virtual host) that daemon services. e.g. Listen www.smallco.com:80 It is recommended that you use an IP address instead of a hostname (see DNS caveats ). ...

... Tracking stations will be selected in accordance with the schedule issued daily by the General Operative Control Group (GOCG) in Lavochkin Association with the gaps in operations during spacecraft contact with the control stations (CS). ... Communication frequencies (carrier): high data rate information transmission downlink from the SRT ­ 15.000 GHz; uplink synchronization ­ 7.2075 GHz; downlink synchronization ­ 8.400 GHz. ...

... Report on Cosmic Call 1999 . ... Cosmic Call Sessions . ... This Report outlines methodology, hard- and software, which were developed to transmit first public Interstellar messages from Evpatoria Deep Space Center (EDSC), and describes four Cosmic Call Sessions, which were fulfilled in EDSC on May 24 and June 30 - July 1, 1999. ... Each Cosmic Call consists of two parts. ... Dutil Message, . ... The software for gathering all messages and creating the Cosmic Call stream, was written on C language. ...

Automatic Detection of NEOs in CCD Frames . ... CCD frames obtained with modern telescopes with robotic operation allow carrying out standard observation programs for detection of peculiar objects on stellar backgrounds, as is the case of Near Earth Objects (NEOs). ... In this paper, we present original algorithms for automatically detecting dim NEO images in telescope frames, considering both sidereal and differential tracking [2]. ...

Woo-woo Dear mummy, Dear Daddy, You had plans forme, I was your only son. ... When you tried to tell me what to do, I just shut my mouth and smiled at you, One thing that I know for sure- BAD BOYS Stick together, never Sad Boys GOOD GUYS They made rules for fools, so get wise.. ... BAD BOYS Stick together, never Sad Boys GOOD GUYS They made rules for fools, so get wise.. ... YOU'RE SUCH A FOOL BAD BOYS Stick together, never Sad Boys GOOD GUYS They made rules for fools, so get wise.. ...

... Space flight . ... Space camp . Space Hotel . ... The system of SOS (Small Orbit Station) must base on the operation in various combinations of the following orbital objects - standard elements of SOS: . ... The cargo module-spacecraft "Docking module" (DM) designed for ISS, . ... Service power module (SPM) on basis of DM, . ... SPM, analogously to DM, is delivered (is actively docked) to the board of SOS within the cargo module-spacecraft. ... Projects / Space hotel: General description . ...

The SOHO spacecraft currently supplies daily images of the solar corona at 1.1-3, 2-6 and 4-30 solar radii. Are ground-based solar corona observations during total solar eclipses have becoming obsolete nowadays? A quick view of SOHO data shows that it is not perfect in some respects. ... On March 9, 1997 an expedition has been organized by the Russian Academy of Sciences to the Baikal region in Siberia for observation of the total solar eclipse. ... Fig. ... Lens: F = 1m, D = 170 mm . ...

... The then president of the Society, Mr. Robert Burke, appointed a committee of eight or ten members, most of whom had made smaller mirrors, as an instrument committee, with Mr. Thorpe as chairman. ... Seriously, the best practicable solution seemed to be to build a machine to do the grinding and polishing. ... It was decided to grind the edges of the mirror to make it truly circular, as the rough cast glass was some 3/8 inch longer on one diameter than on the other. ...

... Objectives of the study . To survey and evaluate the technical and economical feasibility of European initiatives by start-up companies, for privately-funded crew vehicles for commercial human space flight. ... New commercial markets, among them space tourism, have a great potential to become major drivers in space technology development. This study aims at the assessment of the feasibility of European initiatives to address these new markets through the development of crewed space vehicles. ...

... Submitted by John Buonomo on 11/08/2007 05:59:26 . The Growing Comet.. AKA Comet Holmes p17 . I put together a quick animation to show the growth of the comet over the past week . this is 6 frame animation starting from 10-30 and ending yesterday . 10-30 ,10-31, 11-01,11-03,11-04,11-05, 11-06 . Other animations are posted on my site http://www.astronight.com/latest/holmes/holmes.htm . CS John . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...