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1960 Echo I communications satellite Sc 1173 FDC Fleetwood cachet

1960 Echo I communications satellite Sc 1173 FDC Fleetwood cachet

$ 4.14

Availability: 100 in stock
  • Grade: Ungraded
  • Cancellation Type: First Day of Issue
  • Return shipping will be paid by: Seller
  • Condition: 1960 Echo I communications satellite. Sc 1173 First Day Cover
  • Topic: Space
  • Denomination: 4 Cent
  • Certification: Uncertified
  • All returns accepted: Returns Accepted
  • Year: 1951-60
  • Quality: Used
  • Restocking Fee: No
  • Place of Origin: United States
  • Refund will be given as: Money Back
  • Country/Region of Manufacture: United States
  • Color: Purple
  • Item must be returned within: 60 Days

    Description

    1960 Echo I communications satellite
    Sc 1173 First Day Cover
    Project Echo was the first passive communications satellite experiment. Each of the two American spacecraft, launched in 1960 and 1964, were metalized balloon satellites acting as passive reflectors of microwave signals. Communication signals were transmitted from one location on Earth and bounced off the surface of the satellite to another Earth location. The first transmissions using Echo were sent from Goldstone, California to Holmdel, New Jersey on 12 August 1960. The last Echo satellite deorbited and burned up in the atmosphere on 7 June 1969.
    American Philatelic Society dealer member
    American Numismatic Association life member
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