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"What's that?" Barby asked. "Directional. The antenna is a tiny coil. When it's broadside to the incoming signal, the volume is loudest, but when it's end on, the volume is much less. So, if you can't hear well, just turn sideways. Turn until the signal is loudest." Scotty took his transceiver from his pocket and examined it with pride.
Hume had set the directional beam on the flyer, when he had brought her down, to serve as a beacon for the Patrol, if and when Starns was lucky enough to contact a cruiser. "Hmmm...." Hume's mouth moved, cracked the drying bloody mask on his lips and chin. His eyes blinked open and he lay staring up at the sky.
We saw the markings on the ship that took you away and charted a directional trace before it went into jump-space. We identified the markings and I went to Cassylia, but the ship had never arrived there. I back-tracked the straight-line course and found three possible planets near enough to have registered in the ship during jump-space flight.
I had most idiotically assumed that the English had no directional wireless in these parts. They have. They've got everything that they have ever tried up there; it was concentrated in that infernal Fair Island Channel. I was only saved by seeing a destroyer coming straight at me, silhouetted against, the low-lying crescent of a new moon. When I dived she was about six hundred metres away.
He watched the teleceiver screen carefully, made a minute adjustment of the dial controlling the directional beam emitted by the ring in the number-one firing chamber, and at the last possible moment, snapped the remote-control switch that cut the power in the approaching test projectile. It hung dead in space, immediately over the chamber.
"Truly, this is a high point in the course of Norlaminian science, my young friend," Caslor acknowledged the introduction smilingly. "You have enabled us to put into practice many things which our ancestors studied in theory for many a wearisome cycle of time." Turning to Rovol, he went on: "I understand that you require a particularly precise directional mechanism?
Directly in front of Carse was the directional space-stick above its complicated mechanism: above his eyes was the wide six-part visi-screen, which in space would record the whole "sphere" of the heavens: while to his right was the chief control board, a smooth black surface studded with squads of vari-colored buttons and lights, These were the essentials, familiar to any ship navigator; but they were here awesome, for they controlled not the one or two hundred feet of an ordinary craft, but twenty miles of this space-ship of rock.
Resting on her directional fins, her nose pointed skyward, her gleaming hull reflecting the last rays of the setting sun, the ship was a powerful projectile ready to blast off for distant worlds. Reaching the Polaris, the three cadets scrambled through the air lock into the spaceship and prepared for blast-off. On the control deck, Tom began the involved check of the control panel.
To use plate batteries or single center-line batteries for phonic communication would require absolutely accurate directional aligning of sender and receiver, a very great practical difficulty, except when sender and receiver are relatively close and mutually visible. This, however, is the regular system used in the Inter-Gang network for official communication.
Each desk was equipped with a system of small viewplates of its own, and each officer was responsible for a given directional section of the "map," and busied himself with teleprojectoscope examination of it, quite independently of the general view thrown on the dome plate.
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