App Intel

CoNav

LiveSalt Water Soft2 apps · 28.9K installsToolsFreeIn-app purchases: $3.49 - $3.99 per itemcom.androidapp.conav

Compass Error Calculation

Alert me★ WatchOpen in Play ↗
Total installs
15,104
exact · Play shows 10,000+
Installs / day
—
measured after our second crawl (about a day)
Rating
—★
— ratings · — reviews
Released
29 Dec 2024
1.8y ago
Last update
4 Aug 2026
v1.2.2 · 2mo ago
Countries
—
not checked yet

Install history

exact counter from Google Play
Not enough history yet — check back tomorrow
Not enough history yet — check back tomorrow

Installs per day · last 90 days

Not enough history yet — check back tomorrow

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

Data safety

declared by the developer on Google Play
  • No data shared with third parties
  • No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

5 in 2 groups
2 Sensitive0 Notable3 Routine

What this app can do with your phone

  • Know roughly where you are, using mobile towers and Wi-Fi networks
  • Know your exact location using GPS, Wi-Fi and mobile networks
LocationSensitive2

Access to where your device is, using GPS or network signals

  • Know roughly where you are, using mobile towers and Wi-Fi networksapproximate location (network-based) · ACCESS_COARSE_LOCATION
  • Know your exact location using GPS, Wi-Fi and mobile networksprecise location (GPS and network-based) · ACCESS_FINE_LOCATION
OtherRoutine3

Access to miscellaneous device features that don't fit other categories

  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description
Deck Officer's Tools * Compass Error Calculation * Celestial Navigation * Port UN LOCODE * ETA Calculation * True Wind Calculation CoNav - Advanced Celestial Navigation Tool for Maritime Professionals CoNav is a sophisticated navigation application tailored specifically for maritime navigation officers. It provides comprehensive gyro and magnetic compass calculations using advanced astronomical algorithms for the Sun, Moon, planets, and prominent stars. Key Features: 🌟 Integrated Celestial Calculations: Sun, Moon, and Planetary Positions: Calculates the Greenwich Hour Angle (GHA) and declination for the Sun, Moon, Mars, Venus, Jupiter, and Saturn using advanced ephemeris data and iterative methods. Star Data Integration: Incorporates a comprehensive database of stars, calculating their Sidereal Hour Angle (SHA) and declination based on the date and time inputs. 🧭 Comprehensive Compass Error Analysis: Gyro and Magnetic Compass Integration: Inputs gyro bearing, gyro course, and magnetic course to compute true bearings and courses. Error Calculations: Determines gyro error, magnetic error, variation, and compass deviation to identify and correct compass inaccuracies. True Bearing and Course Computation: Calculates true bearing based on celestial observations and adjusts courses accordingly. Advanced Sight Reduction: Local Hour Angle (LHA) Calculation: Computes LHA for celestial bodies, essential for determining azimuth and altitude. Azimuth and Altitude Determination: Calculates the azimuth and altitude of celestial bodies for precise celestial navigation. 'A', 'B', 'C' Components Computation: Performs sight reduction calculations using the traditional 'a', 'b', 'c' method for accurate position fixing. How CoNav Works: Astronomical Calculations: Julian Date and Ephemeris Time: The app calculates these to ensure precise celestial positions. Celestial Coordinates: Computes GHA, declination, and SHA for celestial bodies using advanced algorithms that replicate or surpass almanac data. Increments: Calculates increments for GHA based on the exact time of observation. Sight Reduction Process: Local Hour Angle (LHA): Determines LHA for each celestial body, accounting for the observer's longitude. Azimuth and Altitude: Computes these to facilitate plotting on a navigation chart. 'A', 'B', 'C' Components: Calculates these values to assist in determining the intercept and azimuth line for position fixing. Compass Error Analysis: True Bearing Calculation: Uses computed azimuths to establish true bearings. Gyro Error Determination: Compares true bearing with gyro bearing to find gyro error and its direction (East or West). Magnetic Error and Deviation: Calculates magnetic error by comparing true course with magnetic course and determines compass deviation by accounting for variation. Benefits of Using CoNav: Saves Time and Simplifies Workflow: Streamlines complex calculations, allowing navigators to focus on decision-making. Reduces the potential for human error associated with manual computations. Ideal for professionals requiring accurate and efficient navigation tools. Supports both seasoned officers and those in training. Advanced Computational Algorithms: Implements complex astronomical models for celestial bodies. Uses iterative methods to refine calculations for planetary positions, ensuring high accuracy. Conclusion: CoNav is more than just an app—it's a professional-grade navigation instrument that brings the power of advanced celestial calculations directly to maritime navigation officers. By integrating precise astronomical computations with practical navigation needs, CoNav enhances the accuracy, efficiency, and safety of maritime operations. It empowers navigators to perform complex calculations without the need for additional resources, making it an essential tool in the modern navigator's toolkit.

What's new

Performance improvements.

Growing in Tools

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