Case K44 Specifications download pdf (Page 103)

Remote-Control CommandsGPS and Assisted GPS

89Operating Manual 1171.5248.12 ─ 15

Example:

BB:GPS:NAV:ALM:TOEP?

queries the time of almanac.

Response: 589824

the value is returned in seconds. Counting starts at 0.00 a.m. on

Sunday of the GPS week.

Usage: Query only

[:SOURce<hw>]:BB:GPS:NAVigation:DATA <Data>

Determines the data source for the navigation information.

Note:Arbitrary data are supported only in "Generic" mode.

Parameters:

<Data> ZERO | ONE | PATTern | PN9 | PN11 | PN15 | PN16 | PN20 |

PN21 | PN23 | DLISt | RNData | USER

RNData

Real navigation data provided by an almanac file is used. The file

is loaded with command

SOURce:BB:GPS:NAVigation:ALMananc.

DLISt

A data list is used. The data list is selected with the command 

[:SOURce<hw>]:BB:GPS:NAVigation:DATA:DSELect.

PNxx

The pseudo-random sequence generator is used as the data

source. Different random sequence lengths can be selected.

ZERO | ONE

Internal 0 and 1 data is used

PATTern

Internal data is used The bit pattern for the data is defined by the

command [:SOURce<hw>]:BB:GPS:NAVigation:DATA:

PATTern.

*RST:

RNData

Example:

BB:GPS:NAV:DATA PATT

selects as the data source for the data fields of burst 0, the bit

pattern defined with the following command.

BB:GPS:NAV:DATA:PATT #H3F,8

defines the bit pattern.

[:SOURce<hw>]:BB:GPS:NAVigation:DATA:DSELect <Dselect>

Selects the data list for the DLISt data source selection.

The lists are stored as files with the fixed file extensions *.dm_iqd in a directory of the

user's choice. The directory applicable to the following commands is defined with the

command MMEMory:CDIR. To access the files in this directory, you only have to give the

file name, without the path and the file extension.

Satellites Configuration and Satellites Signal Settings

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Case K44 Specifications Page 103

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