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by Scott Bender

WilhelmSK is a highly customizable boat instrument display that uses the SignalK protocol (http://signalk

$19.99 in the App Store

What is it about?

WilhelmSK is a highly customizable boat instrument display that uses the SignalK protocol ( to show information from your boat's sensors.

App Details

Navigation Utilities
Last updated
August 17, 2017
Release date
October 4, 2016

App Screenshots

App Store Description

WilhelmSK is a highly customizable boat instrument display that uses the SignalK protocol ( to show information from your boat's sensors.

Please note that you must have special hardware and software on your boat for the application to work. See the website for more information.

Supported Connections:
- SignalK REST api or Streaming
- iKommunicate REST api or Streaming

Connection Configuration:
- Manual configuration of ip/hostname and port
- SignalK discovery via Bonjour
- iKommunicate discovery via Bonjour

RayMarine Auto Pilot Support *
º View or change current mode (Standby, Auto, Wind, Track)
º View current target heading or Wind direction
º Change target heading or Wind direction

Alarms and Notifications
º View list of current current alarms
º Acknowledge RayMarine "Turn To Waypoint' *
º Push notification support *
º Setup server side alarms *
º Set an anchor alarm with the push of a button *

- Raymarine MFD: display and interact with a RayMarine MFD (discovered via Bonjour)
- Fusion stereo (control zone volumes, source input, play, pause etc.)
- Water Temperature
- AWA and COG
- Drift
- Set
- GWA (Ground wind angle and speed calulated internally from AWS, AWA and COG)
- Battery Voltage
- Alternator Voltage
- Coolant Temperature
- Oil Pressure
- Oil Temperature
- True Heading
- Magnetic Heading
- Pitch
- Roll
- Yaw
- GPS Position (with link to Apple Maps)
- Water Speed
- Distance to Waypoint
- Route ETA
- Time to Waypoint (computed internally from DTW and SOG)
- Depth
- Fuel Tank Level
- Black Water Tank Level
- Fresh Water Tank Level
- Rudder Angle
- AWA Close Hauled
- Engine Runtime
- GNSS Date
- GNSS Time
- GNSS Date/Time
- Atmospheric Pressure
- Rate of Turn
- Fuel Rate
- AIS Targets
- Generic Amps
- Create a gauge for any value available via SignalK
- Sophisticated anchor alarm (requires node server and signalk-anchoralarm-plugin)

- Customize gauge display using SignalK meta.zones
- Customize gauge range, min/max, etc.
- Save custom gauges to node server or the cloud for use on other devices
- Wind Angle gauges can optionaly be rotated so that they always point ot the bow of the boat, regaurless of device positioning
- Place gauges by long pressing on a gauge and choosing a differnt one
- Make a gauge full screen by double tapping
- Multiple layout support. Create a differnt layout for Steaming, Sailing, Home Monitoring, etc.
- Customize the nuber of pages and their layout
- Manuall connection configuration synced accross devices via iCloud
- Automatic connection selection based on current ip (usefull when Bonjour is not available and you have multiple boats)
- Two themes, dark and light
- Animated gauge needles
- iPad Slideover and Split View support (Your gauge configuration can be customized for these views)
- Connections can be configured to be refreshed manually or at a specific time interval
- Design your own custom gauge templates
- Share your custom templates via Air Drop, eMail, Text, etc.
- Edit ApplyTV or other device layouts and templates remotely using your iPhone or iPad
- Most gauges can be configured to be digital or analog
- Enter the SignalK path and title for any gauge to show data not supported by default
- Displays AIS targets in the Google Maps view
- Configure node server plugins inside of the app

* Autopilot control, server side alarms, push notifications and fusion stereo control require signalk-server-node and my plugins installed. Setup Instructions at

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