Change of Location

Overview

When a train is calling a location other than the location in the schedule, a change of location message will be sent.

Data structure

{
    "header": {
        "msg_type": "0008",
        "source_dev_id": "VNHY",
        "user_id": "#PEE0031",
        "original_data_source": "TOPS",
        "msg_queue_timestamp": "1511532209000",
        "source_system_id": "TRUST"
    },
    "body": {
        "original_loc_timestamp": "1511528640000",
        "current_train_id": "",
        "train_file_address": "BDI",
        "train_service_code": "56461882",
        "dep_timestamp": "1511528640000",
        "loc_stanox": "36108",
        "train_id": "174M37CF24",
        "original_loc_stanox": "36169",
        "event_timestamp": "1511532180000"
    }
}

In the example above, the train scheduled to call at Stanox 36169 (Tuebrook Sdgs Gbrf) will now call at Stanox 36108 (Liverpool Biomass Tml Gbf).

Header

Field	Description
msg_type	Set to '0008' for an change of location message
source_dev_id	Set to the ID of the device that issued the change of location message
user_id
original_data_source	Set to "TOPS" for a change of location message
msg_queue_timestamp
source_system_id	Set to "TRUST" for a change of location message

Body

Field	Description
train_id	The 10-character unique identity for this train at TRUST activation time
current_train_id
dep_timestamp	The planned arrival/departure time at the location where the train will call
loc_stanox	The STANOX of the new calling point of the train
original_loc_stanox	The STANOX of the original location in the schedule
original_loc_timestamp	The planned arrival/departure time associated with the original location
train_service_code	Train service code as per schedule
train_file_address	The TOPS train file address, if applicable
event_timestamp	The time at which the Change of Location is entered into TRUST