Download Case K44 Specifications

GPS and Assisted GPS
User Interface
Assistance Data Generation
Duration of Assistance Data
Sets the duration (in seconds) of the GPS Assistance Data.
SCPI command:
​[:​SOURce<hw>]:​BB:​GPS:​ADGeneration:​DURation​ on page 119
Resolution of Assistance Data
Sets the resolution (in seconds) of the GPS Assistance Data.
SCPI command:
​[:​SOURce<hw>]:​BB:​GPS:​ADGeneration:​RESolution​ on page 124
Generate Almanac File …
Opens the "Generate Almanac File" window for saving the generated Almanac File.
The name of the file is specified in the "File name" entry field. To save the file, press the
"Save" button.
The almanac file is generated either in a GPS standard almanac file .rs_al format (see
table below) or as standard Yuma formatted file .rs_yuma and can be therefore used
as the main almanac source for GPS.
Parameter
Unit
SatID
-
e
dimensionless
toa
sec
delta_i
semi-circles
OMEGADOT
semi-circles/sec
SV Health
boolean
SQRT(A)
meters
OMEGA0
semi-circles
M0
semi-circles
w
semi-circles
af0
seconds
af1
sec/sec
The generated almanac file is conformed to the format appended to standards 3GPP
34.108 v.8.0.0 and 3GPP TS 51.010-1v.7.7.0.
The file lists all possible satellites, available from the source ​Select Almanac File.
See ​chapter 2.8.7, "Generating Assistance Data", on page 23 for description of the workflow for generation of assistance data.
SCPI command:
​[:​SOURce<hw>]:​BB:​GPS:​ADGeneration:​ALManac:​CREate​ on page 119
Generate Ionospheric File …
(enabled with option Assisted GPS (R&S-K65) only)
Operating Manual 1171.5248.12 ─ 15
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