Marine Barograph vs LuckGrib Usage & Stats

This app includes the same functionality as our free Marine Barometer app available in the App Store, with several significant enhancements added. You can review the basic features of the design by installing and becoming familiar with the free Marine Barometer app. New features in this Marine Barograph app include: automatic storage of atmospheric pressure during all times the app is running, even when in the background, with time and date, GPS position, course over ground (COG) and speed over ground (SOG). The pressure data can be graphed (pressure versus time) over several time intervals from 30 min on up to 16 days. The graphs can be pinch zoomed and panned for more detail and double tapped to reset the scales. Slide your finger across the graph to read time and pressure at specific points. Large digital displays can be viewed from a distance, including prominent pressure trend arrows (visible when data one hour old is available). On the three-hour display, the official pressure tendency is computed and displayed, and the shape of the curve in view can be used to determine the pressure tendency characteristic code used in official ship reports. Also new are options for pressure display (sea level or station), precision, and latitude and longitude formats. The stored data can be viewed from within the app or exported and shared according to time range of the storage files. The stored data are effectively a log of the voyage (or land travel) with navigation information as well as pressure data. Besides the pressure data, your track of GPS positions can also be exported as a GPX file to view in a navigation program or Google Earth. The app will also share wirelessly both pressure and position information with nearby devices. The data are broadcasted from the app via WIFI in UDP mode on a user selected port, so that the app can serve as a position source or pressure source for other navigation programs or devices, which makes it an excellent back-up to standard electronic charting systems. Or use it as a high-performance, stand-alone barograph. This app can convert a second or older iPhone (iPhone 6 or newer) not otherwise in use into a valuable stand-alone electronic barograph and voyage data logger. Just load the app and plug it in for continual viewing. A full Help file with details of operation and tips on the use of atmospheric pressure in navigation is included in the app. This file can be viewed online at https://www.starpath.com/marinebarograph along with videos showing how to use the app.

Apple App Store
Paid
Weather

Store Rank

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LuckGrib

LuckGrib is a fully featured, easy to use, fast GRIB reader, viewer, downloader and weather router. Remote access to weather data via satellite or email is supported. Advanced weather routing capabilities, for sailors, is available. Weather forecast data, packaged as GRIB files, can be downloaded directly from the LuckGrib server cluster. For offshore sailors, LuckGrib offers a best-in-class, complete solution: industry leading visualization and ease of use, highly optimized weather data downloads via satellite, along with industry leading optimized weather routing and route analysis. Inshore sailors may not require satellite downloads, but will benefit from the rest of the system. LuckGrib is unique among apps that were originally designed for sailors, in that the weather analysis tools are powerful enough to attract attention from meteorologitsts. For meteorologists, and weather enthusiasts, LuckGrib offers access to a wide range of high resolutions models, a number of global models, weather data at the surface, 850mb, 500mb and 250mb levels, parameters ranging from simple things such as wind, pressure and temperature, to more advanced quantities such as simulated radar, standard deviations, precipitable water, lightning, vertical vorticity, helicity and more. Access is available to the entire suite of parameters in GFS, HRRR, NAM and others. Downloads are available via: a direct high speed internet connection, through the Iridium GO! as well as through the RedPort Optimizer. LuckGrib provides access to many weather and ocean models, including: GFS, GFS Wave, GDPS/GEM, GEFS, HRRR, RAP, NAM, NBM, Icon-EU, Arpège, Arome, OpenWRF, RTOFS, NCOM and many others. These models allow you to study surface conditions, wave and swell state, ocean currents, winds at the jet stream level, mid atmosphere as well as at the boundary layer. In addition, LuckGrib allows you to explore weather model uncertainty with its support for standard deviation and probability values. LuckGrib is a thoroughly modern and advanced GRIB viewer. See: luckgrib.com/models for more details on the models and parameters that are available. LuckGrib comes with a 14 day free trial. If you are interested in studying weather and gaining access to detailed weather forecasts, download the app and give it a try. Downloading data via satellite or email requires the Offshore Data in-app purchase. See offshore.luckgrib.com for more details on the remote access capabilities. The LuckGrib weather routing system is an industry leading, high quality, robust, high performance and comprehensive system. See routing.luckgrib.com for more details. Access to the isochronal weather routing system requires an in-app purchase. The LuckGrib isochronal Weather Routing solver is able to respect intermediate constraint points, the first in the industry. A constraint point is a point which a route must leave to port or starboard. Constraint points are needed to describe short routes which have crossings, as well as to express your preference on a long open ocean passage to stay to a given side of a strategic point. A simple example of a short route that needs this ability is a route which goes around an island, returning to the start point. Many sailboat race routes, perhaps the majority, have routes which cross. Two examples are Fastnet and the Around Catalina Island race. These routes can now be described in LuckGrib, and optimized Weather Routing solutions found for them. Note that LuckGrib does not use a subscription pricing model - after the free trial, when you decide to purchase the app, there will be a one time charge, not an ongoing subscription. For more details, please visit the support website. * privacy policy: https://luckgrib.com/privacy * terms of use: https://luckgrib.com/terms-of-use * end user license agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/