The table below provides a description of the various parameters
included within the transmitted message.
Identifier
Description
Units
dt
GPS date/time of sample at time of packet creation
lt
GPS latitude
Degrees
ln
GPS longitude
Degrees
al
GPS altitude
Meters
sp
GPS speed
m/s
hd
GPS heading
Degrees
bv
Battery voltage
mV
tp
CPU temperature
°C
rs
Background RSSI at time of packet creation
dB
tr
RSSI of most recent satellite beacon
dB
ts
SNR of most recent satellite beacon
dB
td
GPS date/time of most recent satellite beacon
gj*
GPS jamming level*
N/A
gs*
GPS spoofing indicator*
N/A
hp*
Horizontal dilution of precision*
N/A
vp*
Vertical dilution of precision*
N/A
tf*
Time to fix*
N/A
*These parameters are Swarm specific and subject to change.
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