Next: MARK5 and EVLBI Up: Recording Systems. ... These are specified in the SCHED station catalog with the paramters CONTROL , DAR , RECORDER and DISK . The first element is the control system -- what software (and hardware) is used to control the recording system. The options that SCHED can handle for wide band VLBI observations are VLBA and VEX. ... The new control system will initially just control the new data aquisition system and recorder. ...

... Statistic files are managed using file generation sets and scripts in the ./scripts directory of this distribution. ... Each valid update appends a line of the following form to the current element of a file generation set named peerstats : . ... This keyword allows the (otherwise constant) filegen filename prefix to be modified for file generation sets, which is useful for handling statistics logs. filegen name [ file filename ] [ type typename ] [ flag flagval ] [ link | ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

... Content Model: one ore more OPTION elements . The SELECT element is used for single and multiple choice menus. ... Example: <SELECT NAME="flavor"> <OPTION>Vanilla <OPTION>Strawberry <OPTION>Rum and Raisin <OPTION>Peach and Orange </SELECT> . ... When you want a multiple choice menu, you need to include the MULTIPLE attribute with the SELECT element, e.g. <SELECT MULTIPLE NAME="flavor"> . ... NAME . ... The presence of this attribute denotes that the SELECT element defines a multiple choice menu. ...

... profiletape - profile files on a tape (ao) profiletape [ -l label ] [ -i inputtape ] [ -o outputfile ] [ -m monrecs ] . profiletape is a program to read a tape and output the record lengths and number of records for each file on the tape. ... The program queries the user for the device name for the input tape (unless the -i option is used). ... If many records of the same length are being read, output an update of the current number of records in the file every monrecs records. ... profiletape . ...

... Apache HTTP Server Version 2.2 . ... htpasswd is used to create and update the flat-files used to store usernames and password for basic authentication of HTTP users. ... Resources available from the Apache HTTP server can be restricted to just the users listed in the files created by htpasswd . ... Files managed by htpasswd may contain both types of passwords; some user records may have MD5-encrypted passwords while others in the same file may have passwords encrypted with crypt() . ... Delete user...

The table of elements represents sets of elements in increasing order of minor planet numbers. ... In the column of G (slope parameter) the default value of the parameter equal to 0.15 is indicated as “X” to distinguish it from value 0.15 obtained by photometric observations (see (89) Julia, (419) Aurelia)). ... User has possibility to save the file with elements, to print it using standard means or to turn to the construction of histograms or distributions of minor planet elements. ...

... EUVE Sky Map . ... At least that was the conventional wisdom when it was first realized that the space between the stars is filled with hydrogen, a strong absorber of extreme ultraviolet light. ... Is the Moon larger when near the horizon? ... Earth Rise . ... The crew, consisting of Frank Borman, James Lovell, and Willian Anders, were launched atop a Saturn V rocket on December 21, circled the Moon ten times in their command module, and landed back on Earth on December 27. ... First page ] Prev. ...

The First Law (1): Energy is Conserved in a closed system: . ... We usually consider work and heat flow as the two kinds of energy . The Second Law (2): The Law of Entropy: . ... The amount of disorder increases . ... You can not go from a disordered system to an ordered system without inputting more energy (this is the most important attribute of the second law) . ... In no way can we recover work of that this disordered system without putting energy into the system. ... More on Thermodynamics . ...