Apollo-X User Manual Version 0.9
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following this value translates this value into sensor and/or GPS
status information.
DM Status Bitmap
Bit
Definition
0
No GPS position Stored to transmit (not scheduled to run at this
time)
1
No GPS Signal
2
GPS Disabled (Not configured to run)
3
GPS Error Handler occurred in fix attempt
4
WS: 0 = Surfaced 1 = Submerged
5
LS: 1 = Light 0 = Dark
6
TS: 0 = Upright 1 = Inverted
7 - 63
Reserved
Surfaced (Type SF)
A specific message that is transmitted when the device, while in Underwater mode, successfully
triggers a surfacing event and transmits that it has breached. This marks the beginning of
Surfaced mode.
Timestamp: 2023-06-19T20:06:29.000Z, Voltage Unloaded: 9.73, BatteryV:
8.9, Mode: Underwater, isAlarm: true, Device Temperature (°C): 21,
Message Type: SUR, Surfaced: true
Surfaced Message
Timestamp
Date and time in UTC of the latest position reading
Voltage Unloaded
Voltage measurement taken before powering the Iridium modem
BatteryV
Loaded voltage of the power supply; minimum battery voltage
observed during the previous Iridium task
Mode
The timer in the scheduler used when the message was transmitted
isAlarm
Displays if this is a state warranting an Alarm forward, if applicable
Device Temperature
Temperature read before transmission (not used)
Message Type
Displays the message format being transmitted
Surfaced
The content of the message, other than the header information
