Electronic Weather Instruments
Modern electronic weather instruments do more than just report the weather. Fisherman, merchant mariners, and raceboat crews globally rely upon a network of onboard weather gauges for safety and speed over water.
Traditional onboard weather instruments, (barometer, thermometer and wind speed/direction indicator) foretell much to a seasoned mariner. While maritime tradition has relied upon basic weather instruments for centuries, today's equipment is leaps and bounds ahead. Modern weather instruments combine GPS, radar and other data. A display at the helm shows crewmembers the course and speed made good simultaneously with speed and course over water. Wind indicators show headers and lifts to the sailboat. Sea surface temperature senders alert fisherman and navigators of invisible ocean current boundaries. This is crucial to fisherman seeking favorable grounds to set gear. Water temperature changes also alert a captain when entering the Gulf Stream or the Labrador Current, so he can plot vessel set and drift. Wind indicators show sailors the effect of apparent wind, course change and sail trim. With electronic capability, these instruments display real time and record history of barometric, windspeed and temperature changes to provide a complete picture of oncoming weather.
Sailing crews depend on a cluster of sophisticated displays to read when sails are optimizing lift. Course and trim alterations have a visible cause and effect when compared beside boat speed. These small corrections sum up to victory on the race course. New wireless weather instruments ease installation and save significant weight. Wireless negates the added weight of wire runs. Some aerial installations save weight further by incorporating solar power, meaning no power source wire runs are required up the mast. These improvements make quality weather instruments highly desirable aboard racing sailboats.
Commonly sought display information
|Apparent Wind Speed/Angle||Lat/Long|
|High Wind Alarm||VMG to Waypoint|
|True Wind Speed/Angle||Distance/Bearing to Waypoint|
|True Wind Direction||Turn to Waypoint|
|VMG to Wind||Cross Track Error|
|Header or Lift Indicator||TTG|
|Heading||Waypoint and XTE Alarms|
|Off-Course Alarm ||Depth|
|Tack Course||Shallow/Deep Depth Alarm|
|Boatspeed ||Sea Temperature|
|Trip Log||Performance Data|
|Average Speed||Upwind/Downwind Auto Page Selection|
|Max Speed||Acceleration/Deceleration Display|
|Speed Over Ground||Course Over Ground|
Applications for wireless weather instrumentation
Racing sailboats: The important weight savings of the new wireless instrumentation give a decisive boost to competitive racing boats. Add to the equation speed of installation, immediacy of updating, plus total flexibility in use, and it's clear why wireless gauges are preferred by many.
Cruising sailboats: Never before have electronics been so simple, flexible or perfect for cruising.
Powerboats: Motor boats have to operate in the harshest of marine environments. Punching into a head sea induces heavy shock-loading and can bring heavy spray and even solid water crashing on board. The speed with which the boat is covering the ground means it's vital for information to be available instantly, constantly and reliably, perhaps at more than one steering position. Wireless systems satisfy these conflicting yet crucial demands