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Accession Number:
AD0260288
Title:
A Meteor Scatter Communications System Using Digital Storage
Report Date:
1961-03-08
Abstract:
A brief review of NEL work in the field of meteor scatter is given, and the latest experimental system, using dynamic digital techniques, is discussed. Bits, representing teletype signals, are inserted in magnetostriction delay lines and allowed to recirculate. When the presence of a suitable meteor trail is detected, the information bits are removed from the lines and transmitted in bursts at 2900 wpm. A similar device, operating essentially in reverse, is used at the receiving site to store the bits until the information can be removed at standard speed to operate a teletype printer. During field tests in April 1960, the system was operated continuously, being unattended except during normal working hours. Copy sent over the 700-mile, north-south path was printed at an average rate of 18 wpm, based on 24-hour-a-day operation, with character error rates of 0.04%.
Document Type:
Conference:
Journal:
Pages:
32
File Size:
2.68MB
Contracts:
Grants:
Distribution Statement:
Approved For Public Release
