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This chapter includes a functional and hardware description of the GG Surveyor, defines
the RF interface connector and the power/input/output connector signal parameters, and
lists power requirements and environmental specifications.
Hardware Description
The GG Surveyor (Figure 2.1) has four RS-232 input/output (I/O) ports A-D (D is not
available to the user), and an L1-band radio-frequency (RF) antenna port. All RS-232
serial ports are capable of two-way communication with external equipment.
Table 2.1 describes the front panel components of the GG Surveyor.
Number
Equipment
2
3
4
1
Figure 2.1: GG Surveyor
Table 2.1: GG Surveyor Front Panel Description
Component
1
External Radio Connector
2
External Frequency
Reference Connector
6
5
Function
Allows connection to an external radio
Allows input of external reference clocks
Input frequencies 5 MHz, sinusoidal
7
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