ID: 40133617
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1960 Echo I communications satellite Sc 1173 FDC ArtCraft combo cover (1
$6.50
$7.38
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Seller:
honestyplus (6988)
Condition: 1960 Echo I communications satellite. Sc 1173 First Day Cover 1960 Echo I communications satellite Sc 1173 First Day Cover Project Echo was the first passive communications satellite experiment. Each o ... Read More
Item Specifics
- Country
- United States
- Catalog Number
- 1173
- Stamp Type
- General Issue
- Condition
- First Day Cover
- Stamp Format
- Single
- Year of Issue
- 1960
Item Description
Condition: 1960 Echo I communications satellite.Sc 1173 First Day Cover
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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Seller Information
- Seller
- honestyplus (6988)
- Registered Since
- 01/10/2007
- Feedback
- 100%
- Store
- Lewis Burchett
- Item Location
- Arkansas, United States
- Ships To
- United States
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- Returns Accepted
- Yes
- Returns Policy
- Money Back - Returns Accepted within 60 Days (Seller pays Shipping Cost)
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