User's Manual

GPS spoofing indicator

This message provides a standard NMEA-formatted value of the quality of GPS signals

received. GPS spoofing indicator messages can be enabled/disabled using the $GS or $OP

command.

$GJ <flag>,value>*xx

Parame

ter

Description

flag

0 Spoofing unknown or deactivated

1 No spoofing indicated

2 Spoofing indicated

3 No reliable GNSS position fix (likely due to spoofing)

value

Value ranging from 0 to 255 indicating how much spoofing the Tracker detects.

0 = no spoofing, 255 = 100% spoofing

Received data

This message contains ASCII-encoded hexadecimal data received from the Swarm network.

Received messages can be enabled/disabled via the $OP command.

$RD <data>*xx

Parameter

Description

data

ASCII-encoded hexadecimal data in packet