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GBT OPERATIONS PROCEDURES |
Number: INFO-06 |
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Title: Listening Post Operator Console |
Last Revision: 20 Nov 01 |
The listening post system is used to monitor sounds from various locations on the GBT. Unusual sounds can infer equipment malfunctions thus warning the operator of potential problems. The system consists of a monitoring console and speaker (located near the operator in the control room) and microphone sensors positioned at key telescope locations.
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STEP |
ACTION | |
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1 |
Select a location to monitor by toggling its switch to the down (ON) position. Multiple locations may be monitored at the same time, however this may mask some sounds. |
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2 |
Adjust the speaker volume as necessary. |
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3 |
If using headphones, insert their plug into the labeled jack and adjust the volume as needed. |
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Switch |
GBT Location | |
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L Band Frig |
Receiver room with the specified receiver |
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C Band Frig |
Receiver room with the specified receiver |
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Ku Band Frig |
Receiver room with the specified receiver |
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S Band Frig |
Receiver room with the specified receiver |
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K Band Frig |
Receiver room with the specified receiver |
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Rx Rm Mic |
Mounted in the receiver room |
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X Band Frig |
Receiver room with the specified receiver |
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PF Rm (TeePee) |
Inside the maintenance shelter located behind the receiver room turret |
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Sub-Reflec |
On the cat walk above the sub reflector near the drive motors |
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PF Boom Motor |
Near the cat walk where the PF boom extension motor is located |
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PF Boom |
On the prime focus boom receiver housing |
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Hoist B (VFA Elev) |
On the cat walk near the level 4 hoist and upper elevator access point |
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Elev Bearing |
On level 4 outside the shelter housing the elevation encoder |
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Actuator Room |
Inside the actuator room on tipping structure |
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Elev Drv A |
Railing mounted on the right (near) side of the elevation gear drive motors |
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Elev Drv B |
Railing mounted on the left (far) side of the elevation gear drive motors |
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Servo Rm Mic |
Servo room above and centered with the Interface cabinet |
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Motor Gens |
Near phone box by the motor generator on level 1 |
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Cryo Room |
Next to entry door in the cryogenics pump room on level 1 |
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Allidade Entran. |
In front of the lower elevator door on level 1 |
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Up Pntl Room |
Inside the upper pintle bearing room |
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Az Truck #1 |
In the center of the truck between the drives |
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Az Truck #2 |
In the center of the truck between the drives |
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Az TRuck #3 |
In the center of the truck between the drives |
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Az Truck #4 |
In the center of the truck between the drives |
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Prepared by: Dave Rose, GBT Operator
Last modified: 20Nov01