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Marine Barometer
Marine Barometer Vs. Barometric Pressure: Barograph

Marine Barometer 與 Barometric Pressure: Barograph 使用情況與統計

Marine Barometer is a barometer sensor interface that is uniquely designed to meet the needs of mariners who rely on accurate atmospheric pressure for weather routing and the evaluation of weather maps. Pressure readings can be manually saved permanently along with the latitude, longitude, and time of the reading. If a sensor offset has been applied, that value is also stored with each recorded pressure. These recorded pressures can then at the navigator's convenience be transferred to the vessel's printed logbook. The GPS sensor is accessed for latitude and longitude only. The elevation of the sensor (your iOS device that includes a barometer) above sea level must be entered manually. Elevation values from the GPS are not accurate enough for the intended application. The concept of sea level pressure is explained along with how it is determined from the sensor reading. Instructions are provided on how to check the calibration of the sensor, and a sensor offset can be applied as needed. Links to sources of accurate sea level pressure are included. Sources of accurate elevation are included for use on land. The standard units for marine applications are millibars (mb) or hectoPascals (hPa). The main pressure display can also be set to inches of mercury, millimeters of mercury, or kiloPascals. However, because the primary reference pressures that would be used to check the sensor calibration are in mb, the sensor calibration must be set using millibar units. Reference links are provided for learning more about the tactical use of pressure for weather forecasting and weather map evaluation. Discounts are offered for barometer related reference books.

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Barometric Pressure: Barograph

Barograph uses the barometer built into your iPhone to draw realtime charts of the atmospheric pressure. It lets you view pressure trends, set alarms, and get alerts when the pressure changes. It also lets you log and export data to CSV format. Discover the ultimate tool for tracking atmospheric pressure with Barograph, the original barometer data logger app designed specifically for iPhone and iPad. Whether you’re a weather enthusiast, an outdoor adventurer, or simply curious about atmospheric changes, Barograph offers powerful features to measure and analyze air pressure in real-time. Key Features: •Real-Time Atmospheric Pressure Monitoring: Instantly measure atmospheric pressure and watch dynamic graphs showing pressure changes over time. •Pressure alarms: Set an alarm and get notified when pressure rises above or below the desired value. •Background Data Logging: Use “Background App Refresh” to continuously collect barometric pressure data, even when the app is not actively in use. •Sea Level Adjusted Pressure: If you prefer to view calculated sea-level adjusted pressure instead of measured pressure, you can enable this feature with an optional in-app purchase. Adjusted pressure is calculated using your iPhone’s barometer and local weather data via Weatherkit. •Altitude Display: View your relative altitude based on barometer readings, perfect for tracking elevation changes during hikes or flights. •Push Notifications: Stay informed with periodic notifications that provide atmospheric pressure values, alarms, and trends, ensuring you’re always aware of significant changes. •Data Export: Easily share your barometer data in CSV format for further analysis or to share with friends and colleagues. Use Cases: •Weather Prediction: Track weather systems and anticipate changes. A dropping pressure generally indicates rain is approaching. •Elevation Tracking: Observe how atmospheric pressure changes with elevation, ideal for hikers, pilots, and outdoor enthusiasts. •Scientific Research: Gather detailed barometric pressure data for educational or research purposes, with seamless data export for comprehensive analysis. •Many people use atmospheric pressure data as an indicator of when they may have a migraine headache. Download Barograph today and transform your iPhone or iPad into a sophisticated barometer data logger. Experience unparalleled accuracy and insight into the atmospheric pressure around you! Maximize your understanding of weather patterns, elevation changes, and more with Barograph – your personal atmospheric pressure tracker and logger. Privacy Policy: https://catspaw-systems.com/PrivacyPolicies/BarographPrivacy.html