DIGITAL TIME DIFFERENCE ADAPTER FOR THE APN-152 LORAN C RECEIVER.
LEAR SIEGLER INC GRAND RAPIDS MICH
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With the advent of digital computers capable of generating aircraft navigation and control functions from hyperbolic time difference inputs, it is necessary to provide an interface between the receiver and the computer. This problem has been handled by an electro-mechanical encoder in the past, but it is apparent that the analog-to-digital interface can be accomplished electronically by an all solid state microminiature unit. The adapter was designed and constructed and tests performed show acceptable accuracy of conversion with a minimum modification to the receiver. It has been determined that the adapter concept will be compatible with all present-day airborne Loran C Receivers, including the ARN-78. Author
- Computer Hardware