Boat Lane Tracking Settings - Sure-Path GPS Boat Lane Tracking

Boat Lane Tracking
Sure-Path
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Boat Lane Tracking Settings

Scoring Mode
Sure-Path can communicate with shore based systems using online servers as a gateway. This setting chooses which server and protocols to use.

The options are:

  1. Off - turns off communications with online servers
  2. WWS - Currently not for general use
  3. Sure-Path - allows display of boat deviation and timing data on the Sure-Path judging application running on a Windows PC.
  4. WaterSkiConnect - this is the official server used by sanctioned tournaments. It allows two way communication between Sure-Path and the two main scoring applications commonly in use, ie Emmanuel Lion's "Waterski Scoring" and Dave Allen's "WSTIMS". Information on driver, skier, boat speed and rope length are supplied from the scoring software to Sure-Path and deviation and timing data are relayed back to the scoring software.

    This setting can also be used when not in a tournament environment and will soon enable users to receive stats on their driving derived from boat path data collected and stored on the server.


Event Name
When Sure-Path is communicating with shore based systems such as one of the scoring softwares or the Sure-Path judging application, the Event Name is used to enable the server to direct data to the correct destinations. The Event Name must be set to be the same at both ends of the link. When used with scoring software in a sanctioned tournament, the Event Name is set to be the IWWF sanction ID in the format "YYNOCxxx" where YY is the year, NOC is the nationality code and xxx is the numeric portion.

In other situations, the user can set Event Name to anything they wish, bearing in mind that if anyone else sets their judging application to the same, then they will be able to see your boat paths. Choose something that is unlikely to be inadvertently set by someone else to avoid clashes and possible confusion.


Event Sub ID
This allows multiple lakes under one Event Name (and therefore one site ID) to be distinguished with the scoring system.

Leave blank for alll events using one lake or anything meaningful to distinguish multiple lakes, eg "back lake", "main lake".


Pylon Antenna Offset
For Sure-Path to calculate boat deviations from a path down the centre of the slalom or jump course, the rover antenna is normally mounted in the centre of the boat and as close to the ski pylon as is practicable. However, in this position, the antenna and its mount are somewhat vulnerable to being knocked or damaged by flying ski handles and people moving around the boat.

This is an experimental setting which allows the antenna to be mounted in a position which is not on the centre line of the boat but which is less vulnerable to handles and bodies. The entered value should be the distance of the centre of the antenna to the centre line of the boat in centimetres. A positive value is to the right of centre, a negative value is to the left of centre.

Sure-Path can then use this offset value to correctly calculate the deviation of the ski pylon from the centre of the boat lane.


Boat Threshold Speed
This is the minimum speed (in kph) that the boat has to be going before Sure-Path tracks the boat path in the slalom or jump course. This also means that if a skier falls and the boat slows down below the threshold set, then it also stops recording the boat path.

Default is 30kph.


Replay Speed Factor
The speed at which a boat path is replayed can be set to 50%, 100%, 150%, 200% or 300%.


Show Boat Lane Averages
Selects whether to show "Offset" and "Width" on the main boat lane screen. Even when disabled, these values will still be available on the Stats screen which is displayed via a "long press" on the boat lane screen.


Slalom Boat Lane Width
In slalom boat lane mode, this setting specifies the width of the boat lane (the blue band) as a percentage of the screen width. A smaller figure means that the boat does not appear to move a lot during the pass and is fairly representative of the real life movement. However, if a driver wishes to see an exagerated boat movement for training purposes, then this value can be increased as much as you like.

A value of 40 (the default) is a good compromise and makes the blue boat lane width in the correct proportion to the boat image.


Audible Warnings Width (Slalom/Jump)
You can set how far off the centre line the boat needs to be to trigger the audible warnings. Slalom and Jump widths can be individually set.


Boat Image
You can select which brand of boat is used for the boat image in the live deviation tracking graphic. There are also options for a "sketch" boat (no brand) or just a black circle representing the ski pylon itself.
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Time Source
This sets the time source used for generating boat times. The options are:

  1. NMEA-GGA - The location data coming out of the Sure-Path RTK receievers is in NMEA format and in this setting, the "GGA" messages are being used. This is the default setting.
  2. NMEA-ZDA - Same as (1) but using the "ZDA" message.
  3. Android - This uses the built in clock in the rover phone.


Autosteer Broadcasts
Experimental: This turns on/off data broadcasts needed by the autosteer system (as and when it is available).


Autosteer Scaling
Experimental: Sets an amplification level of the autosteer broadcasts.

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