Specifications

30 Z-Family Technical Reference Manual
The receiver is set as a base station which transmits RTCM messages types 20 and 21
every second, and types 3 and 22 every minute. Following a power cycle it will
automatically start transmitting these messages again (because you have saved the
settings with the $PASHS,SAV,Y command). To change the message type or rate,
use the $PASHS,RTC,TYP command.
Ashtech DBN Format
You must have the [K] option installed on the receiver.
Send the commands listed in Table 3.4 to the receiver to generate the Ashtech DBN
message.
The receiver is set as a base station which transmits DBN messages every second.
Following a power cycle it will automatically start transmitting these messages again
(because you have saved the settings with the $PASHS,SAV,Y command). To
change the message rate, use the $PASHS,CPD,PED command.
$PASHS,RTC,TYP,3,1 Turn on RTCM message type 3.
$PASHS,RTC,TYP,20,1 Turn on RTCM message type 20 & 21.
$PASHS,RTC,TYP,22,1 Turn on RTCM message type 22.
$PASHS,RTC,SPD,9 Set internal bit-rate for corrections to burst
mode.
$PASHS,SAV,Y Save settings
Table 3.4: RTK Base Station Commands
Command Description
$PASHS,RST Reset the receiver to factory defaults
$PASHS,ELM,9 Set the RTK Base mask to nine degrees
$PASHS,POS,ddmm.mmm,d,dddmm.mmm,d,saaaaa.aa Enter the phase center of the antenna if
ANR is OFF or the ground mark if ANR is
ON or CPD.
$PASHS,CPD,MOD,BAS Set the receiver as an RTK base station with
Ashtech DBN message generated once per
second.
$PASHS,CPD,PRT,B Send DBN message through port B.
$PASHS,SAV,Y Save settings
Table 3.3: RTK Base Station Commands (continued)
Command Description