MS20xxB UG PN: 10580-00301 Rev. D 6-1
Chapter 6 — GPS (Option 31)
6-1 Introduction
The VNA Master is available with a built-in GPS receiver feature (Option 31) that can
provide latitude, longitude, altitude, and UTC timing information. This option also enhances
the frequency reference oscillator accuracy in the Spectrum Analyzer mode (MS203xB).
Within three minutes of satellite acquisition, the reference oscillator will have an accuracy of
better than 50 ppb (parts per billion).
In order to acquire data from the GPS satellites, you must have line-of-sight to the satellites,
or the antenna must be placed outside without any obstructions. Anritsu GPS antenna
2000-1528-R or 2000-1652-R is required.
6-2 Activating the GPS Feature
Install the Anritsu GPS antenna onto the GPS Antenna connector on the VNA Master.
1. Press the Shift key, then the System (8) key.
2. Press the GPS soft key (submenu key).
3. Press the GPS On/Off soft key to toggle the GPS feature on or off. When GPS is first
turned on, a RED GPS icon appears at the top of the display.
Note
The VNA Master Technical Data Sheet provides a list of options and the
measurements that require GPS (Option 31).
Figure 6-1. GPS Icon, Red
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