Compass Receiver Utility Best - Download 2021

The Compass Receiver Utility (CRU) is professional configuration software developed by ComNav Technology (SinoGNSS) designed for Windows-based management of GNSS receivers. It serves as a vital bridge for field engineers to configure hardware, manage raw data, and monitor satellite tracking status in real-time. Core Functions of Compass Receiver Utility

CRU is primarily used for OEM board testing and receiver setup. Key capabilities include:

Data Conversion: Converts original binary observation data (.cnb) into industry-standard RINEX format for post-processing.

Receiver Configuration: Allows users to set parameters for static data collection, particularly for receivers on the K7 platform.

Satellite Monitoring: Provides a comprehensive view of satellite tracking status, including "Sky View," "PVT View," and "Time View".

Data Recording: Features a "Local Log" tool to record satellite measurements directly to an external carrier or PC.

Firmware Management: Assists in managing internal device settings through terminal-type connections. Best Practices for Downloading CRU

To ensure a secure and functional installation, follow these industry-standard steps:

Source from Official Channels: Always download the software directly from the ComNav Technology official website to ensure you have the latest version and genuine drivers.

Driver Installation: Before launching CRU, ensure the necessary GNSS drivers for your specific receiver model are installed on your PC.

Administrator Rights: For full functionality, especially when configuring hardware via serial or USB ports, it is recommended to run the installer and the software with Administrator privileges.

Hardware Compatibility: Note that newer platforms (like the K8 series) may require the use of a WebUI for configuration instead of CRU. Typical Workflow for Field Engineers

Connection: Use the standard toolbar to establish a device connection via Bluetooth or Serial.

Monitoring: Check the Sky View or Terminal window to verify signal strength and ephemeris data.

Download: For older models like the T300, CRU is the primary tool for downloading static data stored on the receiver.

Post-Processing: After conversion to RINEX via CRU, data is typically imported into Compass Solution for precise baseline processing and network adjustment. System Requirements Operating System: Microsoft Windows.

Display: Minimum screen resolution of 1280*1024 is recommended for optimal UI display.

Connectivity: USB or Serial port for physical receiver connection.

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The Compass Receiver Utility (CRU) is a professional Windows-based configuration software developed by ComNav Technology. It is primarily used to manage GNSS receivers, such as the SinoGNSS K-series and T300 models. Official Download and Support

You can download the latest version of the CRU software and related drivers from the official ComNav Technology resources: Official CRU Download Link: ComNav Company Files

Regional Mirror (Version 1.7.9): Orient Systems (orsyst.ru) provides archived versions like CRU 1.7.9.

Technical Guide: For setup instructions, refer to the official CRU Software Instruction blog. Key Features

Data Conversion: Converts proprietary observation data (.cnb) into the universal RINEX format for use in other GNSS processing software.

Receiver Configuration: Allows users to set parameters for static data collection, including recording intervals (e.g., 1s or 5s) and elevation masks.

Real-time Monitoring: Displays the status of satellites tracked by the receiver, including sky views and PVT (Position, Velocity, Time) information.

Firmware & Testing: Enables OEM board testing, firmware updates, and direct command input via a terminal window. Usage Tips

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Compass Receiver Utility (CRU) is a professional Windows-based configuration and management tool developed by ComNav Technology

for GNSS receivers. It is primarily used for testing OEM boards, setting up receiver parameters, and managing raw data. ComNav Technology Key Features & Capabilities Data Conversion:

Converts proprietary observation data (.cnb) into the industry-standard format for use in various post-processing software. Receiver Configuration:

Allows users to configure static data collection parameters for K7 platform receivers. Data Management:

Facilitates downloading static data from older receiver models, such as the ComNav T300 , and clearing or saving data logs. Real-Time Monitoring:

Displays the status of tracked satellites (GPS, BDS, GLONASS, Galileo) in a "Sky View" or "PVT View" for real-time navigation. Command Interface:

Provides a terminal for sending direct commands to the receiver for advanced settings like SBAS activation or registration checks. ComNav Technology Download and Installation

The utility is typically offered as a free platform for managing ComNav GNSS data. GeoGlobalty Best Version:

Users often look for the latest stable build, with recent documentation highlighting versions compatible with Windows 10 and 11. Official Source: The official download is typically hosted on the ComNav Technology Support Center System Requirements:

It requires a Windows-based PC (Windows 2000 or higher recommended) and proper driver installation to establish a connection via serial port, Bluetooth, or TCP. ComNav Technology Related Post-Processing Software While the CRU manages the hardware and raw data, Compass Solution

is the companion desktop software used for high-accuracy post-processing and baseline adjustments. It supports multi-constellation GNSS data and generates detailed reports in formats like DXF, KML, and TXT. to the utility for the first time?

CRU software instruction-Blogs-Innovation Makes A Difference 02-Jun-2023 —

Compass Receiver Utility (CRU) is a professional Windows-based configuration software developed by ComNav Technology

for managing and optimizing GNSS receivers. It serves as a primary tool for field engineers to configure hardware, convert data formats, and monitor real-time satellite status. Key Features & Functionality Data Conversion: Effortlessly converts original observation data ( files) into the industry-standard format, supporting versions 2.01 through 3.04. Receiver Configuration:

Allows for detailed parameter setup for static data collection. While it natively supports K7 platform receivers, newer K8 platform models typically use a webUI for similar configurations. Real-Time Monitoring:

Provides visual feedback on satellite tracking status through a "Sky View" and offers detailed "Terminal" views to inspect raw message output. Log Management:

Facilitates the download of static data from supported older models, such as the T300 receiver Download and Installation

To get started with the utility, follow these general steps based on ComNav's technical guidance

Official software packages are typically provided by ComNav or authorized distributors. Installation:

Run the executable on a Windows-based PC (compatible with Windows 7/8/10). Connection: download compass receiver utility best

Connect your receiver via USB or serial port. If using a modern module like the Unicore series, you may also need specialized GUI tools like for firmware updates and data visualization. Workflow Example: Converting CNB to RINEX Open the CRU software and select Rinex Convert from the navigation bar.

tool to browse to your static data path and select the desired settings (type and measurement method) and information.

Choose the RINEX version and sampling frequency (e.g., 1s, 5s, 30s). Rinex Convert to generate the files in the source folder. for a specific receiver model like the

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Mastering Your Navigation: The Ultimate Guide to the Best Compass Receiver Utilities

In the world of professional surveying, maritime navigation, and high-precision GIS mapping, your hardware is only as good as the software driving it. If you are looking to download a compass receiver utility, you aren't just looking for a simple driver; you’re looking for a bridge between complex satellite data and actionable insights.

Whether you are using a proprietary Compass Navigation Satellite System (Beidou) or a multi-GNSS receiver, having the "best" utility can mean the difference between centimeter-level accuracy and a total signal dropout. Why You Need a High-Quality Compass Receiver Utility

A receiver utility acts as the control center for your GNSS hardware. Without it, your receiver is essentially a "black box" spitting out raw NMEA data strings that are unreadable to the human eye. The best utilities provide:

Real-Time Visualization: See exactly which satellites (GPS, GLONASS, Galileo, or Beidou/Compass) are overhead and their signal strength (SNR).

Configuration Control: Adjust update rates (e.g., from 1Hz to 20Hz) and toggle specific message types.

Firmware Management: Essential for keeping your hardware compatible with evolving satellite constellations.

Data Logging: Record raw data for post-processing in office-bound GIS software. Top Compass Receiver Utilities to Download

When searching for the best tool, the "right" choice usually depends on your specific hardware brand. Here are the industry standards: 1. GNSS Viewer (The Universal Choice)

Often the go-to for enthusiasts and developers, GNSS Viewer supports a wide array of Compass-compatible chipsets. It offers a clean interface to check your "Sky View" and signal-to-noise ratios. It is lightweight, making it the best starting point for general troubleshooting. 2. U-Center (By u-blox)

If your receiver uses a u-blox chip (extremely common in the industry), u-Center is the gold standard. It provides an incredible depth of analysis, from deviation maps to NTRIP client configurations for RTK accuracy. 3. Proprietary Brand Utilities

Trimble/Topcon/Leica: If you are using high-end surveying gear, always download the utility specifically provided by the manufacturer. These are optimized for the proprietary protocols that generic software might miss.

FieldGenius: A more robust mobile solution for those who need to take their utility into the field on a tablet or data collector. How to Choose the "Best" Utility for Your Needs

Before you hit the download button, consider these three factors: Compatibility

Not all utilities speak the same language. Ensure the software supports the specific COM port or USB-to-Serial interface your receiver uses. Check if it explicitly mentions support for Beidou (Compass) B1/B2/B3 signals. User Interface vs. Technical Depth

Are you a developer who needs to see raw Hex strings, or a field tech who just needs to see a "Green Light" for fix status? The "best" utility is the one that provides the data you need without overwhelming you with the data you don't. Portability

Do you need to run this on a Windows laptop, or do you need an Android APK for field use? Many modern Compass utilities are moving toward mobile-first designs to accommodate rugged field tablets. Safety Tip: Avoiding Malware

When searching for "download compass receiver utility," you will encounter many third-party driver sites. Always download directly from the manufacturer’s official website. Generic "driver updater" tools are often bundled with bloatware or security risks. Final Thoughts

Finding the best compass receiver utility is about matching your hardware’s capabilities with a software interface that unlocks its full potential. By using professional-grade tools like u-Center or official manufacturer software, you ensure that your navigation data is accurate, reliable, and ready for the task at hand.

Compass Receiver Utility (CRU) is a professional Windows-based configuration and data management software developed by ComNav Technology for high-precision GNSS receivers. ComNav Technology Key Features & Functionality

CRU is primarily used for configuring GNSS boards and managing raw data from ComNav devices: Data Conversion : Converts original observation data (in format) into the industry-standard Receiver Configuration

: Allows users to set parameters for static data collection and configure OEM boards as either a base station Satellite Monitoring

: Provides a real-time view of tracked satellite status and GNSS information. Data Management

: Facilitates the download of static data from supported older models like the T300. ComNav Technology How to Download and Install

To ensure you have the latest and most secure version, use official manufacturer channels: Official Download Center : Visit the ComNav Technology Download Center to find the latest CRU installation packages. Product Blogs

: Detailed setup instructions and direct links are often hosted on the ComNav CRU Instruction Blog

: Before installation, ensure you have the correct USB-to-serial or interface drivers installed on your PC to enable device communication. ComNav Technology Best Practices for Use For Professionals

: If you are performing advanced post-processing, CRU is typically used in conjunction with Compass Solution

software, which handles baseline processing and network adjustment. Manual Commands

: While CRU provides a GUI, you can also use serial commands like SAVECONFIG

to permanently save changes to the receiver's internal memory.

: Check for firmware updates for your specific receiver (like the K8 series) via the ComNav support pages to ensure compatibility with newer versions of the utility. ComNav Technology using this utility?

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8. Conclusion & Recommendation

For most users, the best utility to download for a compass receiver is:

Avoid third-party “download best compass utility” sites offering paid software for free. Always verify the official source.


If you intended a different specific "Compass Receiver Utility" (e.g., a proprietary tool from a brand like Garmin or Furuno), please provide the exact device model for a more precise report.

The Compass Receiver Utility (CRU) is a professional Windows-based configuration software developed by ComNav Technology for managing GNSS receivers and OEM boards. It is primarily used for testing, configuring parameters, and handling static data. Core Features

Data Conversion: Converts original observation data (files with .cnb extensions) into industry-standard RINEX formats.

Receiver Configuration: Allows setup of static collection parameters for K7 platform receivers.

Real-time Monitoring: Provides a view of tracked satellite status and information display.

Data Management: Supports downloading static data from older receiver models like the T300 and recording data for OEM board testing.

Command Control: Features a command window for sending direct commands (e.g., enabling SBAS) to the receiver via serial port or Bluetooth. Download and Installation

Official Link: The software can be downloaded from the ComNav Technology Download Center or directly via their blog instruction page. OpenCPN (if you need navigation + compass)

System Requirements: Designed for Windows; ensure that the appropriate drivers are installed on your PC before connecting a receiver.

Connection: Receivers are typically connected via a data cable (RS232 USB adapter) or Bluetooth. Related ComNav Software

For tasks beyond basic utility and configuration, ComNav offers specialized tools:

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The phrase "download compass receiver utility best" sounds like the kind of garbled, SEO-stuffed link you’d find on a suspicious forum at 3:00 AM. In this story, that link is the doorway to something much stranger.

The old laptop hummed like a jet engine, its screen casting a sickly blue glow over Elias’s cluttered desk. He was desperate. His grandfather’s dying wish was for Elias to find "The North Star Cache," a digital vault buried on a proprietary, encrypted drive from the late nineties.

Standard software couldn't read the drive. He’d spent six hours crawling through archived message boards and dead links until he found a post from 2004 on a site called The Silicon Grave. The post was a single line of broken English:

"To find the way home, download compass receiver utility best."

Underneath was a blinking, neon-green download button. Elias knew better. He knew about Trojans, ransomware, and identity theft. But the cursor hovered, trembling. For Grandpa, he thought, and clicked.

The download didn't go to his 'Downloads' folder. Instead, a terminal window popped open.

Initializing Compass...Calibrating to Local Reality...Signal Acquired: 52.3676° N, 4.9041° E

Elias froze. Those weren't just random numbers; they were coordinates for his exact apartment. A small, pixelated compass needle appeared in the center of his screen. It didn't point North. It pointed toward his bedroom door.

He picked up the laptop, the battery burning his palms. As he moved, the needle spun, locking onto a specific corner of his room. He walked toward his closet, the needle vibrating faster, turning from green to a deep, pulsing violet.

He pushed aside his coats. The needle was frantic now, spinning in a blur. There, behind a loose floorboard he’d never noticed, was a small brass box—the physical twin of the digital icon on his screen.

He opened the box. Inside wasn't a thumb drive or a map, but an old, mechanical compass. He held it up to the laptop screen. The pixelated needle on the monitor and the physical needle in his hand snapped into perfect alignment, pointing straight up toward the ceiling—or perhaps, toward something far beyond it.

A new message flickered on the terminal:Utility synchronized. Receiver active. Welcome back, Elias.

The laptop screen went black, but the brass compass in his hand began to glow with a soft, blue light, humming the same tune his grandfather used to whistle. He hadn't just downloaded a utility; he’d picked up a signal that had been waiting for him since before he was born.

What should Elias do next? Open the vault or follow the signal outside?

To download and use the Compass Receiver Utility (CRU), you should obtain it directly from the official ComNav Technology Software Page. This specialized Windows-based utility is developed by ComNav Technology to configure their high-precision GNSS OEM boards and survey receivers. 🛠️ What is the Compass Receiver Utility?

The Compass Receiver Utility (CRU) is a professional management tool tailored for ComNav receivers. It is heavily used in land surveying, mapping, and engineering to handle raw proprietary data before dropping it into full post-processing suites like ComNav Compass Solution. Key Features include:

Data Conversion: Translates native .cnb observation files into industry-standard RINEX formats (v2.01 up to v3.04).

Static Configuration: Manages parameters for static field collections (specifically for hardware running on the K7 platform).

Live Monitoring: Allows users to view satellite tracking statuses and signal health in real time.

Data Retrieval: Downloads static data directly from older receiver models like the T300. 📥 Step-by-Step Download and Installation Guide

Follow these steps to safely acquire and install the official utility: 1. Download the Software

Visit the official download hub at the ComNav Technology Software Archive or access the direct asset link listed in their official documentation via the ComNav CRU Instruction Blog.

Locate the Compass Receiver Utility (CRU) within the listed management software.

Download the compressed installation package (usually a .zip file). 2. Prepare Your Computer

Ensure you are running a compatible version of Microsoft Windows.

Disconnect any receiver units from the PC before starting the installation to prevent driver conflicts. 3. Install Drivers and Software Extract the downloaded .zip file on your PC.

Crucial Step: Install the included USB or COM drivers first. If the PC fails to identify your receiver later, the utility will not function.

Run the main installer executable (e.g., setup.exe) and follow the on-screen prompts to complete the setup. 4. Connect Your Receiver

Use the appropriate data cable to plug your receiver into the computer. Power on the receiver.

Launch the CRU software; it should now automatically recognize the active COM port assigned to the device. 💡 Best Practices for Using CRU

For PPK and Dynamic Files: If you are converting Kinematic or PPK data to RINEX, make sure to check the Event and Event Obs boxes in the software settings to ensure your discrete shot markers are preserved.

For Newer K8 Platform Boards: Note that CRU is designed primarily for K7 hardware. If you are using newer K8 generation boards, ComNav recommends utilizing the receiver's built-in WebUI for configuration tasks rather than CRU.

Troubleshooting: If you need step-by-step visual training for processing or converting files, you can watch verified community tutorials on the ComNav CRU YouTube Channel.

Which specific model of ComNav receiver are you attempting to configure with the utility?

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In the world of high-precision surveying, the Compass Receiver Utility (CRU)

is the silent hero behind the scenes, turning raw satellite signals into the actionable data that builds bridges and maps cities. Here is the story of how to get the most out of it. The Surveyor's Digital Toolkit

Imagine a surveyor standing in a remote field, tasked with mapping coordinates for a new infrastructure project. Their gear includes a professional SinoGNSS receiver , but to actually talk to the hardware, they need the Compass Receiver Utility (CRU) This Windows-based software is the primary tool for: Device Configuration

: Setting up OEM boards and receivers via serial port or TCP. Data Conversion : Transforming original binary observation files ( ) into the industry-standard Rinex format for post-processing. Monitoring

: Viewing real-time satellite tracking status and PVT (Position, Velocity, Time) data. Downloading the "Best" Version

For professionals like our surveyor, "best" doesn't just mean the newest—it means the most stable and compatible version for their specific hardware. Official Source

: The most reliable way to download CRU is directly from the ComNav Technology Download Center Current Stable Version : As of early 2026, CRU V1.8.5

is a top choice, offering a balanced mix of support for older models and newer K7/K8 platforms. The Workflow: From Field to File simple file transfer

Once downloaded, the surveyor's journey follows a precise sequence: Installation

: They run the setup as an administrator, ensuring all necessary drivers are installed so the PC can recognize the receiver. The Connection : Using the Standard Toolbar

, they link the software to their receiver via a serial port, selecting the correct baud rate (often 115200 for modern units). : Our surveyor needs to convert raw data. They open the Rinex Convert menu, select their

files, and set the recording interval to one second for maximum accuracy. The Result

: Within minutes, CRU generates the Rinex files, which are then imported into Compass Solution software to calculate millimeter-accurate coordinates. Beyond the Utility

While CRU handles the "heavy lifting" for hardware, others might seek a different kind of "compass receiver."

If you are looking for the best way to get a reliable heading on your device, 🌟 Best Free Utility Apps

Digital Compass (Android): A top-rated free utility for hikers that provides a reliable magnetic heading with a clean, professional interface. You can find it on Softonic.

True North (Garmin): For wearable users, this standalone widget provides a stable heading even when the device is tilted, solving the common "180-degree flip" issue found in standard apps. Available via the Garmin Connect IQ Store. 🛠️ Built-in Options (No Download Required)

Before downloading a third-party app, check if your phone already has a high-quality utility built-in:

Samsung Galaxy: You can enable a compass utility through the Edge Panels settings. Go to Display > Edge Panels > Panels and select Tools to access the native compass.

iPhone: iOS includes a native Compass app that uses GPS and magnetic sensors to provide both magnetic and True North headings. 🛰️ Why Use GPS-Based Utilities?

While magnetic sensors are great for quick checks, a receiver utility that uses GPS (Global Positioning System) is often more accurate for long-distance navigation because it calculates "True North" based on your actual movement rather than local magnetic interference. 🧭 Pro Tip: Calibration

No matter which utility you download, always calibrate it by moving your phone in a "figure-8" motion. This ensures the internal sensors are synced with the Earth's magnetic field for the most accurate reading. How to Use Compass in Android Mobile (full guide)


Option 3: Technical & Feature-Focused

Title: Robust, Accurate, and User-Friendly

⭐⭐⭐⭐⭐

"This is hands down the best utility for managing compass receiver hardware. I was impressed by how easy it was to configure the baud rate and port settings to get my external receiver talking to my laptop. The signal-to-noise ratio display and deviation graphs are excellent features that help ensure data integrity in the field. A must-have utility for anyone working with GNSS and heading sensors."


Key features highlighted in these reviews:

If you are looking for the Compass Receiver Utility (CRU), you are likely working with ComNav Technology GNSS hardware. This specialized Windows-based tool is essential for configuring receivers, managing data, and performing firmware updates. 1. Where to Download Compass Receiver Utility (CRU)

The most reliable way to get the latest version of CRU is directly from the manufacturer’s official support channels:

ComNav Technology Download Center: This page typically hosts the most recent software releases, including version 1.8.5 and older legacy versions like 1.7.8.

ComNav Blogs & Instructions: Often contains direct links and step-by-step installation guides for the utility. 2. Key Features of CRU

The utility serves as a "control center" for your GNSS hardware, providing:

Data Conversion: Easily convert original raw observation data (typically in .cnb format) into industry-standard RINEX format for post-processing.

Receiver Configuration: Set parameters for static data collection and configure OEM board settings.

Real-Time Monitoring: View the status of tracked satellites through "Sky View" and "PVT View" float windows.

Firmware Management: Though often handled by the CompassUpdate tool, CRU helps verify current receiver versions and settings. 3. Quick Setup Guide

Connection: Connect your receiver to a Windows PC using a serial cable (or RS232 USB adapter) or Bluetooth.

Launch CRU: Open the software and navigate to Set Port → Serial Port to select your specific COM port.

Command Control: Use the Receiver → Command window to send specific commands (like sbascontrol enable) or to check device health. 4. Alternative Solutions

If you need advanced post-processing beyond simple configuration, consider these companion tools:

Compass Solution: Used for comprehensive static and dynamic post-processing analysis.

Survey Master: An Android-based app for real-time field data collection and RTK surveys.

RxTools (Septentrio): If your "Compass" query refers to a Septentrio-based system, use their RxTools suite for receiver control and analysis.

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However, this phrase is ambiguous. It could refer to:

  1. Finding the best software to download for a GPS/Compass receiver (e.g., for marine, aviation, or surveying).
  2. Finding the best utility to diagnose or use a magnetic compass sensor on a PC or mobile device.
  3. A search query related to a specific tool called "Compass Receiver Utility."

Below is a structured report based on the most likely interpretation: finding and downloading the best utility software for GPS/Compass receivers (common in marine, automotive, or field surveying contexts).


1. Executive Summary

This report evaluates the best software utilities available for downloading, configuring, and managing data from compass receivers (GNSS/RTK receivers with heading capabilities). The "best" utility is highly dependent on the hardware manufacturer. However, for users seeking to manage raw data, update firmware, or configure NMEA outputs, manufacturer-native tools remain the gold standard. This report categorizes the top utilities based on reliability, feature sets, and user interface.

2. u-center (Best for Professional Survey/GNSS)

Developed by u-blox, this is the most powerful utility on the market. It isn't just a compass; it is a full receiver evaluation tool.

What Makes a Compass Receiver Utility "The Best"?

Before clicking the download button, look for these three pillars:

  1. Sensor Access: The best utilities read both the magnetometer (for magnetic north) and GPS (for true north/coordinates).
  2. Calibration Tools: A top-tier app will alert you to magnetic interference (metal cases, other electronics) and guide you through a figure-8 calibration.
  3. Offline Functionality: If you are heading into the backcountry, the utility must cache local magnetic declination data so it works without cell service.

Option 2: Short & Punchy (Best for App Stores/Play Store)

Title: The Gold Standard for Compass Tools

⭐⭐⭐⭐⭐

"Finally found the best compass receiver utility available! The interface is clean, the connection is stable, and the data readout is incredibly accurate. It turns your device into a professional-grade navigation tool instantly. Stop wasting time with buggy alternatives—this is the one to download."


A. The Manufacturer Standard: Manufacturer-Specific Software

Recommendation: Use the software matching your hardware brand.

The most reliable utilities are those developed by the hardware manufacturers. Using third-party tools often results in an inability to read proprietary file formats or access specific calibration settings.

| Software Name | Target Hardware | Best For | Key Features | | :--- | :--- | :--- | :--- | | Trimble Business Center (TBC) | Trimble R Series, SPS | High-precision survey workflows. | Full data management, rinex conversion, calibration, firmware updates. | | Leica Captivate / Infinity | Leica GS/GS16/GS18 | Intuitive UX and visualization. | 3D data visualization, simple file transfer, system monitoring. | | Spectra Precision Survey Pro | Spectra/Trimble OEM | General construction/survey. | Simple stakeout, coordinate geometry, receiver configuration. | | Hemisphere GNSS Toolbox | Hemisphere receivers | Marine and agriculture heading. | True heading configuration, base/rover setup, NMEA configuration. | | Septentrio RxTools | Septentrio receivers | High-end geodetic research. | Graphical interface for tracking, spectrum analysis, logging management. |

Verdict: If you know the brand of your compass receiver, this is the best option. It ensures data integrity and correct handling of heading calibration.

3. For Windows Laptop (External Receiver): VisualGPS