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SurPAD 4.2 User Guide for surveying, geodesy, topography
Why You Choose SurPad 4.2 App

The Most Effective App for Your Surveying Projects

The SurPad 4.2 is designed for assisting professionals to work efficiently for all types of land surveying and road engineering projects in the field. By utilizing the SurPad app on your Android smartphone or tablet, you can access a comprehensive range of professional-grade features for your GNSS receiver without the need for costly controllers.

  • Compatible with many brands of GNSS equipment.
  • Comes with 1600+ preset multi-country coordinate systems, projections etc. Support of Geoid and Grid files.
  • Import & export of CSV, DAT, DXF, SHP, KML, GPX, TXT files.
  • Works in your language. Comes with 27 preset languages.
User Guide
Buy SurPad 4.2 Android mobile Application for Surveying, Topography
Your Win-Win Solution

Powerful Features and Easy Interface

The SurPad 4.2 is a powerful software for data collection. Its versatile design and powerful functions allow you to complete almost any surveying task quickly and easily. You can choose the display style you prefer, including list, grid, and customized style. SurPad 4.2 provides easy operation with graphic interaction including COGO calculation, QR code scanning, FTP transmission etc. SurPAD 4.2 has localizations in English, Ukrainian, Portuguese, Polish, Spanish, Turkish, Russian, Italian, Magyar, Swedish, Serbian, Greek, French, Bulgarian, Slovak, German, Finnish, Lithuanian, Czech, Norsk, Simplified Chinese, Traditional Chinese, Korean, Japanese, Vietnamese.

Easy Installation Process

Download and Install in 2 clicks

Updated Version

Get the latest version of SurPad 4.2

Download SurPad 4.2
Popular Features of SurPad 4.2

Popular Features That Blows Your Mind

01
Connectivity

Quick connection

Can connect to GNSS by Bluetooth & WiFi. Can search and connect the device automatically, using wireless connections.

02
Layers

Better visualization

Supports online and offline layers with DXF, SHP, DWG and XML files. The CAD function allows you to draw graphics directly in field work.

Buy SurPad 4.2 Android mobile Application for Surveying, Topography, GPS, GNSS, Total Station
03
Road Design

Quick Calculations

It has a complete professional road design and stakeout feature, so you can calculate complex road stakeout data easily.

04
Voice Alerts

Better Perception

Important operations is accompanied by voice alerts: instrument connection, fixed GPS positioning solution and stakeout.

SurPad 4.2 Application Screenshots

Buy SurPad 4.2 Android mobile Application for Surveying, Topography
Buy SurPad 4.2 Android mobile Application for Surveying, Topography
Buy SurPad 4.2 Android mobile Application for Surveying, Topography
Buy SurPad 4.2 Android mobile Application for Surveying, Topography
Buy SurPad 4.2 Android mobile Application for Surveying, Topography
Buy SurPad 4.2 Android mobile Application for Surveying, Topography
Buy SurPad 4.2 Android mobile Application for Surveying, Topography

I Remote Desktop Connection Error Code 0x904 Install Jun 2026

Windows will automatically generate a new, valid self-signed certificate. 2. Connect via IP Address instead of Hostname

The most frequent cause is an expired self-signed certificate on the remote host that failed to auto-renew. Log into the remote server (locally or via another tool). Open the Certificates MMC snap-in ( certlm.msc Remote Desktop > Certificates Check the expiration date. If it’s expired, Restart the Remote Desktop Services restart-service termserv -force in PowerShell) to force Windows to generate a new one. 2. Adjust Firewall Settings

By following this comprehensive guide, you should be able to resolve Remote Desktop Connection error code 0x904 and establish a successful remote connection to your Windows machine.

Install it:

Ensure that both the RDP service and the application are allowed through your firewall.

: This is a frequent cause when some servers on a network work while others don't. Log into the server and run certlm.msc .

: If the server is dropping requests, you can increase the MaxOutstandingConnections in the registry at HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server . Troubleshooting the "Dodgy" Connection

Windows will automatically generate a new, valid self-signed certificate. 2. Connect via IP Address instead of Hostname

The most frequent cause is an expired self-signed certificate on the remote host that failed to auto-renew. Log into the remote server (locally or via another tool). Open the Certificates MMC snap-in ( certlm.msc Remote Desktop > Certificates Check the expiration date. If it’s expired, Restart the Remote Desktop Services restart-service termserv -force in PowerShell) to force Windows to generate a new one. 2. Adjust Firewall Settings

By following this comprehensive guide, you should be able to resolve Remote Desktop Connection error code 0x904 and establish a successful remote connection to your Windows machine.

Install it:

Ensure that both the RDP service and the application are allowed through your firewall.

: This is a frequent cause when some servers on a network work while others don't. Log into the server and run certlm.msc .

: If the server is dropping requests, you can increase the MaxOutstandingConnections in the registry at HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server . Troubleshooting the "Dodgy" Connection

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