Difference between revisions of "SCR-197"
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| − | The SCR-197 mobile station consisted of the BC-325 radio transmitter with a frequency coverage of 1.5 to 18 Mhz and an RF power output of 400 watts. Radio receivers consisted of three BC-342 and one Hallicrafters S-20R "Sky Champion". Also provisioned was a BC-119 control box. The complete set was housed in a K-18 truck and K-19 trailer combination. A 45 foot vertical antenna was used for sending and a 15 foot whip used for receiving. Power could be optionally supplied by power mains or portable generator units: one PTO driven GN-42-A generator for the transmitter and two small PE-75 skid mounted units for the receivers. The SCR-197 set was later replaced by the SCR-299.[2] | + | The SCR-197 mobile station consisted of the BC-325 radio transmitter with a frequency coverage of 1.5 to 18 Mhz and an RF power output of 400 watts. Radio receivers consisted of three BC-342 and one Hallicrafters S-20R "Sky Champion". Also provisioned was a BC-119 control box. The complete set was housed in a [[K-18 truck]] and [[K-19 trailer]] combination. A 45 foot vertical antenna was used for sending and a 15 foot whip used for receiving. Power could be optionally supplied by power mains or portable generator units: one PTO driven GN-42-A generator for the transmitter and two small [[PE-75]] skid mounted units for the receivers. The SCR-197 set was later replaced by the [[SCR-299]].[2] |
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| + | [[File:RADIO_SET_SCR-197_From_TM_11-487_oct._1944.jpg]] | ||
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==Components== | ==Components== | ||
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* [[BC-342]] reciever X 3. | * [[BC-342]] reciever X 3. | ||
* [[RM-7]] remote | * [[RM-7]] remote | ||
| + | * [[T-28]], Mic. | ||
| + | * [[T-38]], Mic | ||
* [[S-20R]] sky champion reciever | * [[S-20R]] sky champion reciever | ||
* [[GN-42]] | * [[GN-42]] | ||
| + | * [[BD-92]] control panel | ||
* [[PE-75]] | * [[PE-75]] | ||
| + | * [[RA-20]] | ||
| + | * [[MS-65]] to [[MS-73]] | ||
* [[K-18 truck]] | * [[K-18 truck]] | ||
* [[K-19 trailer]] | * [[K-19 trailer]] | ||
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==images== | ==images== | ||
| − | + | (NOTE- the pictures from TM 10-560 arent quite right but might be helpful to someone.) | |
| + | [[File:House trailer.jpg|400px|right]] | ||
| + | [[File:Hitch detail.jpg|400px|right]] | ||
[[File:SCR-197_Data.png|400px]] | [[File:SCR-197_Data.png|400px]] | ||
==Reference Files== | ==Reference Files== | ||
| − | ;{{pdf|TM-11-310-SCHEM.PDF|TM 11-310}} | + | |
| + | * {{pdf|TM 11-241 RADIO SETS SCR-197A THROUG -F MAY, 30 1942.pdf|TM 11-241 }} Radio Sets SCR-197-B, SCR-197-C, SCR-197-D, SCR-197-E, and SCR-197-F May 1942 | ||
| + | * {{pdf|TM 11-805 1942.pdf|TM 11-805 1942}} transmitting components of SCR-197-B, SCR-197-C, SCR-197-D, SCR-197-E, and SCR-197-F. | ||
| + | ;{{pdf|TM-11-310-SCHEM.PDF|TM 11-310}} | ||
:Schematic Diagrams for Maintenance of Ground Radio Communication Set | :Schematic Diagrams for Maintenance of Ground Radio Communication Set | ||
::October 1942 | ::October 1942 | ||
Latest revision as of 17:19, 16 April 2024
The SCR-197 mobile station consisted of the BC-325 radio transmitter with a frequency coverage of 1.5 to 18 Mhz and an RF power output of 400 watts. Radio receivers consisted of three BC-342 and one Hallicrafters S-20R "Sky Champion". Also provisioned was a BC-119 control box. The complete set was housed in a K-18 truck and K-19 trailer combination. A 45 foot vertical antenna was used for sending and a 15 foot whip used for receiving. Power could be optionally supplied by power mains or portable generator units: one PTO driven GN-42-A generator for the transmitter and two small PE-75 skid mounted units for the receivers. The SCR-197 set was later replaced by the SCR-299.[2]
Components
- BC-325 transmitter
- BC-342 reciever X 3.
- RM-7 remote
- T-28, Mic.
- T-38, Mic
- S-20R sky champion reciever
- GN-42
- BD-92 control panel
- PE-75
- RA-20
- MS-65 to MS-73
- K-18 truck
- K-19 trailer
images
(NOTE- the pictures from TM 10-560 arent quite right but might be helpful to someone.)
Reference Files
TM 11-241 Radio Sets SCR-197-B, SCR-197-C, SCR-197-D, SCR-197-E, and SCR-197-F May 1942
TM 11-805 1942 transmitting components of SCR-197-B, SCR-197-C, SCR-197-D, SCR-197-E, and SCR-197-F.
- Schematic Diagrams for Maintenance of Ground Radio Communication Set
- October 1942