PREDICTWIND DATAHUB Manuel utilisateur
Aqua Map Navionics Boating
Configuring Internet Access
Access to the internet is required to send position information from the DataHub to PredictWind.
Although a dedicated Internet connection is desired for real time updates to your tracking
website it is not required. DataHub will store acquired position reports internally for later
transmission if an Internet connection is not available. This for example might be used by
sailors sailing offshore away from cell phone coverage who do not own satellite phones.
Someone could cross the north Atlanic from Newfoundland, CA to Ireland while tracking their
voyage. Initially their tracks while cruising in coastal Canada will be updated in real time. As
they leave Canada and spend a full month offshore in the North Atlantic, position reports will be
stored in the DataHub’s internal nonvolatile memory. Once the vessel arrives in Ireland and Cell
phone Internet access is arranged, all of the stored position reports will be uploaded to
PredictWind for display on the tracking portal. Real time tracking can only occur while there is
Internet access, but users can track their global voyages without it.
DataHub provides four different ways to connect to the Internet. These include:
● USB Connected iOS devices
● USB Connected Android Devices
● Ethernet connected router with Internet access such as a broadband satellite device
(Iridium Certus, Inmarsat Fleet Broadband, KVH Vsat, etc) or an LTE enabled router
such as a Pepwave.
● WiFi bridge to MyFi devices such as a Netgear Aircard, Cricket wireless router, Verizon
Jetpack and others.
Multiple Internet connections can be configured at the same time. For example, users could
use a USB connected Android phone as well as an Ethernet connected satellite terminal. When
the satellite phone is on then data is routed through it. If the satellite phone is off then data is
routed through the Android connected device. If none of the two are available then the position
reports are stored internally in non-volatile memory until an Internet connection is available.
Internet via USB connected iOS device
Use a standard lightning iOS USB charging cable to connect your iPhone or iPad to the USB
port on the DataHub.
Once connected iOS will prompt you as to whether the DataHub should be trusted or not.
Select “Trust.
On the iOS device navigate to Settings->Settings->Personal hotspot and enable it as depicted
below.
The DataHub should now be connected to the Internet if your iOS device has Internet
connectivity. See section below called “Verifying Internet Connectivity” to confirm that the
device is connected to the Internet.
Internet via Android
To establish an internet connection via Android connect the devices USB charging cable to the
DataHub’s USB connection.
On the Android device now navigate to “Settings->Network & Internet->Hotspot & tethering” and
enable USB tethering.
The DataHub should now be connected to the internet. See section below called “Verifying
Internet Connectivity” to confirm that the device is connected to the Internet.
You will need to repeat the process every time you disconnect and reconnect the Android device
to the DataHub’s USB port. However, there is a good trick that allows you to automate this
process so that the phone enters USB tethering mode automatically when you plug it in.
Detailed instructions on configuring automatic USB tethering are beyond the scope of this guide
but are described in detail in the following article.
Internet via Ethernet WAN port
This is the simplest of all methods. Run an Ethernet cable from your vessels router LAN port to
the port labeled WAN on the DataHub. DataHub’s WAN port is the RJ-45 jack furset way from
the power connector.
The DataHub should now be connected to the internet. See section below called “Verifying
Internet Connectivity” to confirm that the device is connected to the Internet.
Internet connection via WiFi Tethering
Although WiFi tethering is the most complex of all Internet connectivity methods it is quite
effected and once configured very convenient to use. The DataHub will persistently search for
the remote access point and once found will automatically connect to it. No buttons or settings
need to be changed between power up/down. The Hub searches and automatically connects.
Access points can be your phone in mobile hotspot mode or a dedicated WiFi access point.
When using your phone, enable hotspot mode and the DataHub will automatically connect to it.
This for many is more convenient than plugging the phone into the USB port on the DataHub
since the DataHub connects to the phone wirelessly. If you have your DataHub installed in a
cabinet then you will probably want to use this method for Internet connectivity.
To configure WiFi tethering WiFi connect to the DataHub, login into the web administrator, and
browse to “Settings” under “Services”.
Now navigate to the WiFi tab
You will see two WiFi radios listed there. radio0, the first one listed on the page, is used for
tethering. You will note that its disabled and has a name “SSID: WiFi Client” with mode “Client”.
Radio1 is the WiFi radio that you use are currently using to connect to the DataHub. Its the
radio with “SSID: PW-Hub-XXXX” with mode “Master”. We will return to this radio later in the
guide when we discuss how to password protect the WiFi connection to your DataHub and
change its broadcast WiFi name or SSID.
Push the “SCAN” button next to radio0 to list all the available WiFI access points near you.
Select the one you desire to connect to and tap “JOIN NETWORK”. In this example I am
selecting my iPhon in hotspot mode. Next enter the passphrase for the WiFi access point then
tap “SUBMIT” at the bottom of the page.
On the following page review and hit “SAVE” at the bottom of the page. Don’t make any
changes to this page unless you are an expert and know what you are doing. Back on the
wireless overview page scroll to the bottom and push “SAVE & APPLY” to confirm your settings
and activate them. You can push the “UNSAVED CHANGES” button at the top right of the page
if you want to discard the session without connecting.
You know if you have successfully WiFi tethered to the remote access point by looking at the
status in “Associated Stations”.
You will see the SSID of the remote station listed with signal strength and a transit(TX) and
receive(RX) rate. You will know that the station is not available or you were not successful (if
say you entered the password incorrectly) when the signal bounces between 0 and some value
and the RX/TX rates drop to zero.
But… note there are easier and better ways to know if you are connected to the internet as
described in the “Verifying Internet Connectivity” section.
Enabling Tracking
To enable tracking, browse to the “Services->Tracking” page. Once there check the “Enable
Tracking” checkbox, note the “Serial Number”, and set the tracking interval to the desired value.
The default tracking interval is 15 minutes per position report. This value is fine for vessels
moving at displacement speeds. Faster moving vessels may want to decrease the interval
period.
Press the “Save & Apply” button at the bottom of the page to start the tracking service.
tracking portal. Please provide the tracking serial number (noted above) and your vessel name.
PredictWind support will reply with a tracking URL for your vessel. Here is mine
http://tracking.predictwind.com/MV_Bliss
This concludes the tracking setup. You should not be able to see tracks on your
tracking/blogging portal at PredictWind given that you have a valid GPS information and an
Internet connection to the DataHub.
DataHub Status LEDs
DataHub provides status LED on its top cover that rapidly allows you to know the status of the
GPS feed, Internet connectivity, and if you have position reports stored on the device that have
not yet been sent to PredictWind.
There are total of 3 LEDS, Blue, Orange, and Green.
The blue LED is illuminated when power is supplied to the DataHub.
The orange and green LEDs serve multiple purposes to display both GPS status, Internet
connectivity, and tracking spool state.
Invlalid GPS
The orange and green LED will blink very rapidly in alternating succession when there is invalid
or NO GPS data. Fast alternating orange/green LEDs means that you will not be able to send
tracking position reports to predict wind no matter the state of the Internet connection. Read
section “Configuring the GPS Feed” to address this problem.
No Internet
With valid GPS positions a NO Internet connectivity issue is displayed by a slow blinking orange
LED. The Orange LED blinks once every 3 seconds when there is no active Internet
connection.
Spooled Position Reports
With valid GPS positions a slow blinking green LED indicates that position reports have been
sampled but not sent to PredictWind for processing. Normally you see slow blinking green
along with slow blinking orange. The blinking orange LED indicates no Internet while the slow
blinking green means that you have position reports queue but not sent.
When an Internet connection avails itself the DataHub will automatically send the position
reports and the green LED will be turned off.
Verifying Internet Connectivity
The DataHub provides several methods to determine if you are Internet connected. The
simplest way to know if you are connected to the Internet is to WiFi connect to the unit and try to
browse pages online. Try Google.com. If the page shows up then you are Internet connected.
Alternatively a solid orange LED on the top of the DataHub indicates a valid Internet connection.
There is a detailed Internet status page found under “Services->Settings” under the Internet
Status tab. A green square represents an active internet connection. In the image displayed
below we see that “wwan” or wireless wan(wide area network) is active as well as wan(the
ethernet WAN connection). The squares indicate that the interfaces are online and the uptime
for the connection. A red blox means that the interface is available but there is no internet
connection through it. In other words the interface exists but its offline. A yellow box indicates
that there is no interface. In this case an Android phone or USB LTE modem has been detected
by the DataHub.
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