The Development Adjustment, and Application of the Z-marker |
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actual adjustment Allentown ALTITUDE amplifier antenna currents antenna rods antenna system approximately arrangement array audio Bureau cause channel circuit cone of silence connected considered consisted CONTROL correct counterpoise couple curve described designed desirable determined diagram dimension direction downleads east elevated equal equipment experi experimental feet Figure final flights four frequency ground illustrated in Fig inches indicated installation leads length line current marker marker receiver matching stubs means measured meter MILES MILLIAMPERES mitter modulation monitor necessary NORTH observed obtained operation original output pattern phasing pick-up placed PLATE plotted position possible rack radio range range station ratio readings receiver records RECTIFIER regular relative relay remote respective satisfactory sensitivity shield showing shown in Fig signal SOUTH spaced stand-by tenna termination tests tion trans transmission line transmitter transmitting antenna tube type TZA unit vertical WEST Z-marker