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Created: 13 May 2026-Updated: 18 June 2026

Settings — Communication

The Communication settings section configures how the detector sends and receives data over RS-232 and the network. Navigate to Settings → Communication to open it.

It is divided into three tabs: RS232, Network stream, and NTRIP.


RS232

The RS-232 tab configures the serial communication port. The port can be used as an output (sending sensor data to an external system), as an input (receiving data or corrections from an external device), or both simultaneously.

Info

Note: If the detector housing does not have a dedicated RS-232 port, the data lines are embedded in the main connector. A specific cable or adapter may be required to access them.

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SettingDescription
Output modeDetermines what data is sent over RS-232
Input modeDetermines what data is received over RS-232
Baud rateThe baud rate of the RS-232 connection. Options: 4800, 9600, 38400, 57600, 115200.

Click Save to apply changes.

Output Modes

ModeDescription
NoneNo data is sent over RS-232
Stream dataStreams all sensor data in JSON format — see JSON Format
Medusa NMEA stringsSends sensor data using the Medusa NMEA protocol — see NMEA Output
GPS and total counts stringSends one line per measurement in the format: #Sensordata,<Unix-Timestamp>,<Lat>,<Lon>,<Total-Counts>
Count rate onlySends only the total count value as a single number
Dose rate (nGy/hr)Sends only the dose rate in nGy/hr derived from the stabilized spectrum

When Stream data is selected, an additional option appears:

SettingDescription
Included dataSelects which data types are included in the JSON stream. Each can be toggled individually: GPS data, Raw spectral data, Stabilized spectral data, PTH data, Synchronized data.

When Medusa NMEA strings is selected, two additional options appear:

SettingDescription
Channels to sumThe number of spectrum channels to combine into a single output channel. Options: 1, 2, 4, 8, 16, 32, 64, 128. For example, combining 8 channels of a 512-channel spectrum produces 64 output channels, reducing the length of the $MSSPE sentence. This only affects the NMEA output — the full-resolution spectrum is always stored onboard.
Included dataSelects which data types are included in the NMEA output. Each can be toggled individually: Raw spectral data, Stabilized spectral data, GPS data, PTH data.

Input Modes

ModeDescription
NoneNo data is received over RS-232
RTCM GPS correctionsReceives RTCM correction data and forwards it to the GPS module to enable RTK centimetre-level positioning
NMEA stringsListens for NMEA GGA, ZDA, RMC, and RMZ messages and parses them for position and optionally height. Positions are stored as GPS data in the project. When NMEA contains RMZ messages (height) is enabled, PGRMZ altitude messages are also parsed and shown as an Altitude sensor on the Dashboard.
CSV formatted dataA CSV array received over RS-232 is stored as an external data entry in the project
JSON formatted dataA JSON string received over RS-232 is stored as an external data entry in the project
Text dataText received over RS-232 is stored as an external data entry in the project
LidarInterfaces with the Medusa lidar sensor to record height measurements. When active, an Altitude sensor appears on the Dashboard showing the incoming height data. When Lidar is selected as the input mode, the output mode is disabled — the two cannot be used simultaneously.

Network Stream

The Network stream tab configures a UDP data stream sent over the network. This is useful for real-time integration with a ground station or external logging software on the same network.

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SettingDescription
Stream data over UDPEnables or disables the UDP data stream
IP addressThe IP address of the device that should receive the stream
PortThe UDP port on the receiving device
Data included in streamSelects which data types are included: Synchronized data, Raw spectral data, Stabilized spectral data, GPS data, PTH data. Each can be toggled individually.

Click Save to apply changes.