PROJECT 478-FP-1-E-60-C

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78-03535A001800030005-3
• Release Decision: RIFPUB
• Original Classification: S
• Document Page Count: 3
• Document Creation Date: December 27, 2016
• Document Release Date: September 13, 2012
• Sequence Number: 5
• Publication Date: May 1, 1960
• Content Type: MISC

Declassified and Approved For Release 2012/09/13 : CIA-RDP78-03535A001800030005-3
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Declassified and Approved For Release 2012/09/13: CIA-RDP78-03535A001800030005-3
FREQUENCY IN MC/S
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Declassified and Approved For Release 2012/09/13: CIA-RDP78-03535A001800030005-3
PROJECT: 478-FP-1-E-60-C
60
50
40
30
20
10
9
CIRCUIT BETWEEN:
LOS ANGELES, CALIF.
and
U.S. BASE STATION
MAY, 1960
Maximum Usable Frequencies: MUF
Optimum Traffic Frequencies: FOT
CIRCUIT DATA:
1.
2.
3.
4.
) ?
6.
7.
?
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111111111111111111
1111111111111111111
Transmitter Power: 130 watts
LOS ANGEL7S Antenna: ?Cfl
Dual Diversity flCu
U.S.BASE Antenna: t wave
Type of Ground: Poor
Type of Service: RS-18 (Triphase
modulation, SG -8.5 db)
Distance: 3600 km 2237 miles
Noise Grade: 2.5
4nspot Niez?
RHOYMIC &
RHOMBIC
vertical
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0500 0700 0900 1100 1300 1500 1700 1900
G. C. T.
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Declassified and Approved For Release 2012/09/13: CIA-RDP78-03535A001800030005-3
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2100 2300 0100 0300 0500
3
FREQUENCY IN MC/S
1
FREQUENCY IN MC/S
Declassified and Approved For Release 2012/09/13: CIA-RDP78-03535A001800030005-3
S-E-C-R-E-T
PROJECT: 479-FP-1-E-60-C
60
50
40
30
20
to
9
8
7
6
5
CIRCUIT BETWEEN:
U.S. BASE STATION
and
LOS ANGELES, CALIF.
JUNE, 1960
Maximum Usable Frequencies: NUF
Optimum Traffic Frequencies: FOT
EL=mm ====
CIRCUIT DATA:
1. Transmitter Power: 25 watts
2. U.S. BASE Antenna: wave 30' high
3. LOS ANGELES Antenna: wave 30' high
4. Type of Ground: Poor
5. Type of Service: Manual CW
6. Distance: 3700 km 2300 miles
7. Sunspot Number: 125
8. Noise Grade: 2.5
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60
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40
30
20
I0
9
8
7
6
5
2
0500 0700 0900
G. C. T.
S-E-C-R-E-T
/4'' Declassified and Approved For Release 2012/09/13: CIA-RDP78-03535A001800030005-3
FREQUENCY IN MC/S
1