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Acutime 2000 Synchronization Kit User Guide A-63
A Trimble Standard Interface Protocol
0x59 Report Packet 59
Satellite Attributes Database Report
This packet is returned in response to packet 39 if operation mode 3
or 6 is used with packet 39.
Normally the GPS receiver selects only healthy satellites (based on
transmitted values in the ephemeris and almanac) which satisfy all
mask values, for use in the position solution.
Packet 59 indicates whether each satellite is allowed or not allowed to
be selected for use in the position solution, or whether each satellite’s
health is to be heeded or ignored. The data format is shown below.
!
Note – When viewing the satellite disabled list, the satellites are not
numbered but are in numerical order. The disabled satellites are
signified by a 1 and enabled satellites are signified by a 0.
Table A-55 Report Packet 59
Byte Item Type Value Meaning
0 Operation BYTE 3 The remaining bytes tell
whether receiver is allowed to
select each satellite.
6 The remaining bytes tell
whether the receiver heeds or
ignores each satellite's health
as a criterion for selection.
1 to 32 Satellite # 32 BYTES
(1 byte per
satellite)
(Depends on byte 0 value.)
0 Enable satellite selection or
heed satellite's health.
Default value.
1 Disable satellite selection or
ignore satellite's health.