Trenz Electronic GmbH Support Forum

Archived Boards and Threads => Archived Boards => FAQ GlobalTop GPS Receivers and Modules => Topic started by: Hengist on July 17, 2013, 12:44:17 PM

Title: PA6H (FGPMMOPA6H) and $PGTOP (Antenna Advisor)
Post by: Hengist on July 17, 2013, 12:44:17 PM
Q: why do some PA6H (GlobalTop FGPMMOPA6H) modules output $PGTOP,11,x (Antenna Status, Antenna Advisor) sentences and others do not?

The original standard PA6H firmware AXN2.10_5051 outputs $PGTOP,11,x sentences (antenna status/advisor messages) when PA6H is powered on.
However, some customers have been complaining about this behavior.

The current standard PA6H firmware AXN2.10_5263 does not output $PGTOP,11,x sentences (antenna status/advisor messages) when PA6H is powered on. Customer can still enable output of $PGTOP,11,x sentences (antenna status/advisor messages) when PA6H is powered on by sending command packet $PGCMD,33,x to the module.



$PGCMD,33,mode*checksum

Mode:


Examples of packet command:

$PGCMD,33,0*6D<CR><LF> (disable antenna status/advisor messages)

$PGCMD,33,1*6C<CR><LF> (enable antenna status/advisor messages)



Examples of acknowledgment:

$PGACK,33,0*6E<CR><LF> (antenna status/advisor messages are disabled)

$PGACK,33,1*6F<CR><LF> (antenna status/advisor messages are enabled)


Customer can also send the $PGTOP,11 command to PA6H module to inquiry the antenna status.

$PGTOP,11,3 *6F<CR><LF> (inquiry antenna status)


Response packet:
$PGTOP,11,value*checksum
Value:
1=>Active Antenna Shorted
2=>Using Internal Antenna
3=>Using Active Antenna