Midlatitude Measurements of L-Band Ionospheric Scintillation with the ATS-5 Spacecraft

Brown, W. E.; Haroules, G. G.; Thompson, William I.; John A. Volpe National Transportation Systems Center, (U.S.)

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Midlatitude Measurements of L-Band Ionospheric Scintillation with the ATS-5 Spacecraft

1975-09-01
By Brown, W. E. ; Haroules, G. G. ; Thompson, William I.

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English

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Creators:

Brown, W. E. ; Haroules, G. G. ; Thompson, William I.

Brown, W. E. ; Haroules, G. G. ; Thompson, William I. Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center, (U.S.)
Subject/TRT Terms:

[+]

Flicker Ionosphere L Band Measurement Microwave Communication Systems Radio Links Transmission
Publication/ Report Number:

DOT-TSC-OST-75-43
Resource Type:

Tech Report
Geographical Coverage:

Massachusetts
Corporate Publisher:

United States. Dept. of Transportation. Office of the Secretary
NTL Classification:

NTL-AVIATION-AVIATION
Abstract:

The report presents some results of L-band signal level measurements taken from the ATS-5 spacecraft operating in the narrow-band frequency translation mode. The uplink signal was sent from the DOT/TSC/Westford Propagation Facility in Westford, Massachusetts, which has geographic coordinates of latitude: 42.60 deg. N and longitude: 71.50 deg. W and is thus a midlatitude site. The uplink signal was transponded by the NASA ATS-5 spacecraft and re-radiated back to earth. The signal was received by several L-band receiving systems located at the Westford facility. The data are presented weekly, monthly and seasonal plots of the root-mean-square of the probability density function and the 90th percentile level of the probability distribution function of the received signal amplitude. Sample analog recordings of the signal are also presented along with the corresonding computer calculated statistics. Brief equipment descriptions are included along with a description of an automatic data collection platform which was used during some of the measurements.
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Volpe Center
Main Document Checksum:

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urn:sha256:49acdb3739f121d1e7c12caf89ed6498b168cd5d1d05dca66f43b23e0d0f285a
Download URL:

https://rosap.ntl.bts.gov/view/dot/11538/dot_11538_DS1.pdf
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Midlatitude Measurements of L-Band Ionospheric Scintillation with the ATS-5 Spacecraft

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