Difference between revisions of "SCR-131"

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Radio set SCR-131 is a portable, loop, continuous wave (CW) telegraph transmitting and receiving set operating within a frequency band 3,960 kHz to 4,360 kHz.  The set is designed to give reliable communications between headquarters which are separated by a distance of 5 miles or less.  It is also designed to furnish 40 operating channels spaced 10 Khz apart; however, in order to avoid possible interference between nets it is desirable so to assign frequencies as to have nets which operate withing 5 miles of one another spaced at least 20 kHz apart.  The set required only two men to carry it.  When set up, it occupies little space and can be used in any location from which satisfactory radiation may be expected.
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==SCR-131==
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[[File:BC-148-19.jpg|right]]Radio set SCR-131 (Infantry) is a portable, loop, continuous wave (CW) telegraph transmitting and receiving set operating within a frequency band 3,960 kHz to 4,360 kHz.  The set is designed to give reliable communications between headquarters which are separated by a distance of 5 miles or less.  It is also designed to furnish 40 operating channels spaced 10 Khz apart; however, in order to avoid possible interference between nets it is desirable so to assign frequencies as to have nets which operate withing 5 miles of one another spaced at least 20 kHz apart.  The set required only two men to carry it.  When set up, it occupies little space and can be used in any location from which satisfactory radiation may be expected.
  
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Radio set SCR-161 is identical with radio set SCR-131 except for the capacitances of three capacitors, which difference causes the former to operate within a frequency band of 4,370 to 5,100 kHz.  It is designed to furnish 74 operating channels spaced 10 kHz apart.
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* [[BC-148]]
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* [[GN-35]]
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* [[P-11]] or [[P12]]
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* [[J-37]] key
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* [[CD-103]] power
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* [[LP-7]]
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* [[BG-49]]
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* [[BG-50]]
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* [[CS-41]]
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[[File:SCR-131_Data.png|400px]]
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==SCR-161==
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Radio set SCR-161 (Artillery) is identical with radio set SCR-131 except for the capacitances of three capacitors, which difference causes the former to operate within a frequency band of 4,370 to 5,100 kHz.  It is designed to furnish 74 operating channels spaced 10 kHz apart.
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* [[BC-151]]
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* [[GN-35]]
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* [[LP-7]]
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[[File:SCR-161_Data.png|400px]]
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==SCR-191==
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The radio set, type SCR-191, has not yet been adopted as standard. Consequently, the following regulations relate solely to the radio sets, types SCR-131 and SCR-161. It is contemplated that the essential equipment of the radio set, type SCR-191 will be identical with or similar to that used
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in the radio sets, types SCR-131 and SCR-161. Changes in those regulations covering the former will be published upon its adoption as standard.
  
  
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==Additional Files==
 
==Additional Files==
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;{{pdf|TM11-237.pdf|TM 11-237}}
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;{{cecom_pdf|TM11-237.pdf|TM 11-237}}
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::War Department Technical Manual, Radio Sets SCR-131, and SCR-161, March 14, 1942
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:War Department Technical Manual, Radio Sets SCR-131, and SCR-161
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::March 14, 1942
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 +
 
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;{{cecom_pdf|TR_1210-50.pdf|TR 1210-50}}
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:Provisional Instructions,
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::Radio Sets, Types
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::SCR-131
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::SCR-161
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::SCR-191
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::The Signal School, United States Army
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::Ft Monmouth, NJ
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::1931-32
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 +
 
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;{{cecom_pdf|TR_1210-50_1-2.pdf|TR 1210-50 1-2}}
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:Changes 1 and 2, Provisional Instructions,
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::Radio Sets, Types
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::SCR-131
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::SCR-161
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::SCR-191
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::The Signal School, United States Army
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::Ft Monmouth, NJ
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::July 6, 1932
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 +
 
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;{{pdf|TM-11-310-SCHEM.PDF|TM 11-310}}
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:Schematic Diagrams for Maintenance of Ground Radio Communication Set
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::October 1942
  
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==References==
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<references />
  
 
[[Category:Military/Radios]]
 
[[Category:Military/Radios]]

Latest revision as of 13:26, 9 April 2024

SCR-131

BC-148-19.jpg

Radio set SCR-131 (Infantry) is a portable, loop, continuous wave (CW) telegraph transmitting and receiving set operating within a frequency band 3,960 kHz to 4,360 kHz. The set is designed to give reliable communications between headquarters which are separated by a distance of 5 miles or less. It is also designed to furnish 40 operating channels spaced 10 Khz apart; however, in order to avoid possible interference between nets it is desirable so to assign frequencies as to have nets which operate withing 5 miles of one another spaced at least 20 kHz apart. The set required only two men to carry it. When set up, it occupies little space and can be used in any location from which satisfactory radiation may be expected.

SCR-131 Data.png

SCR-161

Radio set SCR-161 (Artillery) is identical with radio set SCR-131 except for the capacitances of three capacitors, which difference causes the former to operate within a frequency band of 4,370 to 5,100 kHz. It is designed to furnish 74 operating channels spaced 10 kHz apart.

SCR-161 Data.png

SCR-191

The radio set, type SCR-191, has not yet been adopted as standard. Consequently, the following regulations relate solely to the radio sets, types SCR-131 and SCR-161. It is contemplated that the essential equipment of the radio set, type SCR-191 will be identical with or similar to that used in the radio sets, types SCR-131 and SCR-161. Changes in those regulations covering the former will be published upon its adoption as standard.


Images

  • Bc-148 1.jpg
  • Bc-148 2.jpg
  • Bc-148 3.jpg
  • Bc-148 antenna.png
  • Bc-148 4.jpg
  • Bc-148 5.jpg
  • Bc-148 6.jpg
  • Bc-148 7.jpg
  • Bc-148 8.jpg
  • Bc-148 9.jpg
  • Bc-148 10.jpg
  • Bc-148 11.jpg
  • Bc-148 12.jpg
  • Bc-148 13.jpg
  • Bc-148 14.jpg
  • Bc-148 15.jpg
  • Bc-148 16.jpg
  • Bc-148 17.jpg
  • Bc-148 18.jpg
  • SCR-131 8680507439 l.jpg


Additional Files

Adobe_PDF_icon.png TM 11-237[1]
War Department Technical Manual, Radio Sets SCR-131, and SCR-161
March 14, 1942


Adobe_PDF_icon.png TR 1210-50[2]
Provisional Instructions,
Radio Sets, Types
SCR-131
SCR-161
SCR-191
The Signal School, United States Army
Ft Monmouth, NJ
1931-32


Adobe_PDF_icon.png TR 1210-50 1-2[3]
Changes 1 and 2, Provisional Instructions,
Radio Sets, Types
SCR-131
SCR-161
SCR-191
The Signal School, United States Army
Ft Monmouth, NJ
July 6, 1932


Adobe PDF icon.png TM 11-310

Schematic Diagrams for Maintenance of Ground Radio Communication Set
October 1942

References

  1. ↑ TM 11-237,
    "US Army Technical Manual Collection,"
    from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
    CECOM Historical Office
  2. ↑ TR 1210-50,
    "US Army Technical Manual Collection,"
    from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
    CECOM Historical Office
  3. ↑ TR 1210-50 1-2,
    "US Army Technical Manual Collection,"
    from the CECOM Historical Office archive, Aberdeen Proving Ground, MD.
    CECOM Historical Office
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