Hello.
Please, suggest is it possible for LC29HAA to work only with L1 frequencies?
Without L5. The reason is RF schematic is a little bit simpler.
$PAIR003*39 → power off GNSS system
$PAIR104,0*23 → L1 only
$PAIR513*3D
if sat conf is
PAIR066,1,1,1,1,0,0 GPS+GLONASS+GALILEO+BEIDOU
PAIR066,1,0,0,0,0,0 GPS only
PAIR066,1,1,0,0,0,0 GPS+GLONASS
see $PAIR067*3B