At the regional cable television headend | headend, the TV channels are sent multiplexed on a light beam which travels through optical fiber trunklines, which fan out from distribution hubs to optical nodes in local communities.

At the local headend, the feed signals from the individual television channels are received by dish antennas from communication satellites.

At the headend the radio frequency electrical signal carrying all the channels is modulated on a light beam and sent through the fiber.

At the cable source or headend, electronic upconverters convert each incoming television channel to a new, higher frequency.

At the entrance side of the shelter, each roof beam is rested on the inside 4 inches of the block wall.

At first each child should do a kick-up by himself so that the teacher can determine those ready to work alone, and those who need help.

At the end of the run, the strips in the third and sixth positions in each chamber were dried, stained for 1 hr, washed and dried, while the other strips were maintained in a horizontal position at 1-degree-C.

At the conclusion of the washing, 8 liters of water at 90-degrees-F ( 32*0C. ) are automatically metered from the rinse reservoir to the washing tubs, 4 liters to each tub.

At each step of the calculation the operating variables of only one stage need be varied.

At each angle of its pitch a big skylight had been fitted into the roof and all these skylights were fitted with systems of multiple screens and shades.

At the same time the orchestra announced that next season it would be giving twenty-five programs at Carnegie, and that it would be taking these concerts to the suburbs, repeating each of them in five different communities.

At such hearings each party is allowed a brief presentation at which the appellate judges ask questions based on their review of the record below and the submitted briefs.

At the peak of its efficiency in the early 16th century, the Venetian Arsenal employed some 16, 000 people who apparently were able to produce nearly one ship each day, and could fit out, arm, and provision a newly-built galley with standardized parts on an assembly-line basis not seen again until the Industrial Revolution.

At the end of the session, each voter tossed one of these into a large clay jar which was afterwards cracked open for the counting of the ballots.

At the beginning of the game, each player receives $ 6000 in cash.

At Sparta, however, youths each sacrificed a puppy to Enyalios before engaging in ritual fighting at the Phoebaeum.

At family or small social gatherings, one mate may be shared by the group, with the host preparing the mate to the preference of each guest.

At the end of each line the beam returns to the start of the next line ; the end of the last line is a link that returns to the top of the screen.

At the inception of cellular in 1983, the FCC had granted each carrier within a market 333 channels ( 666 channels total ).

At several points, Sondheim has multiple performers each sing a different song simultaneously.

At the beginning of each round, up to three players place their bets in the " betting box " at each position in play.

At the end of the hand each player returns his hand, intact, to the correct slot in the bridge board in which it is transported to other tables so that everyone can play the same deals.

At the start of each round, the rectangular playing arena contains a prearranged pattern of coloured " bubbles ".

At each of these levels a botanist might be concerned with the classification ( taxonomy ), structure ( anatomy and morphology ), or function ( physiology ) of plant life.

At the start of each game, the doubling cube is placed on the bar with the number 64 showing ; the cube is then said to be " centered, on 1 ".

At regular intervals, the housemates each privately nominate a number of fellow housemates that they wish to see evicted from the house.

At each of the corners, a 1 m radius quarter-circle is drawn, and a dotted line is painted parallel to the shortline and five metres away from it without extending into the penalty area.

* At least one wheelset, composed of an axle with a bearings and wheel at each end

At the October 2006 Conservative Conference, she was Chief Dragon in a political version of the television programme Dragons ' Den, in which A-list candidates were invited to put forward a policy proposal, which was then torn apart by her team of Rachel Elnaugh, Oliver Letwin and Michael Brown.

At the end of July 2000, the government-owned Botswana Television ( BTV ) was launched, which is Botswana's first national television station.

At the subscriber's residence, either the subscriber's television or a set-top box provided by the cable company translates the desired channel back to its original frequency ( baseband ), and it is displayed on the screen.

At the same time, the advent of fibre-optic technology enabled companies to extend their systems to nearby towns and villages that by themselves were not viable cable television markets.

At the time, the final episode of The Fugitive held the record for the greatest number of American homes with television sets to watch a series finale, at 72 % in August 1967.

At the time of his death, Janssen had just begun filming a television movie playing the part of Father Damien, the priest who dedicated himself to the leper colony on the island of Molokai.

At that time, most television programs were broadcast live, and as the largest markets were in New York, the rest of the country received only kinescope images.

At age 11, he began his acting career, appearing on the British television soap opera Coronation Street, which was produced at Granada Studios by Granada Television in Manchester.

At a time when television had not yet embraced country and Western music, Sullivan was adamant about featuring Nashville performers on his program.

At this time too, television was developing into a mass medium that could compete with the cinema.

At least 20 were television weather reporters, some did not have science degrees, and 14 were listed as professors without specifying a field.

Chapman, Cleese, and Tim Brooke-Taylor later joined Feldman in the television comedy series At Last the 1948 Show.

At the start of 2000, Lewinsky began appearing in television commercials for Jenny Craig, Inc.

At one point in the video, Sinatra shared a kiss with Sammy Davis, Jr. She has stated " The kiss one of the first interracial kisses seen on television and it caused some controversy then, and now.

At the start of each episode of the 1998 television series Fantasy Island, a darker version of the original, bookings for would-be visitors to the Island were sent to Mr. Roarke via a pneumatic tube from a dusty old travel agency.

At first, they failed: initial preference was given to the Vanguard program whose launch vehicle had a strange and uncanny way of exploding on national television.

At the age of 15, she auditioned for the role of Kelly Kapowski on the television show Saved by the Bell, which was highly publicized and received a great deal of fanfare from the same magazine that discovered her.

At one point, he suggested to pitcher Andy Messersmith who wore number 17, that he change his surname to " Channel " to promote the television station.

1987 also saw the band embark on another national tour, appearances on national television – including playing the final episode of Countdown and the lead single " At First Sight " making the Young Einstein soundtrack.

At times when a user is browsing menus or websites rather than typing, it is also possible to hold a trackball in the right hand like a television remote control, operating the ball with the right thumb and pressing the buttons with the left thumb, thus giving the fingers a rest.

At the age of eleven, Anderson landed the role of Mary Ingalls on the NBC television series, Little House on the Prairie.

At a 28 May 2009 meeting in Dubrovnik, Croatia, it was stated that the 2008 format of one ski jump hill followed by the 10 km cross country skiing event passed the test, resulting in a doubling of television coverage from the previous season.