| Sampling |
| North West corner Latitude: Longitude: |
| South East corner Latitude: Longitude: |
| Sampling Poinst: N-S axis: W-E axis: |
| Plot Options |
| Units: |
| Rounding for legend (decimal places): |
| Save/Load Cookie |
| Other Options |
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Go to the desired location in the map, set two markers by clicking the map to define a rectangle (or enter coordinates manually). Click the button [get data]. Optionally you can change the number of elevation samples you want in each direction, the more the better (max 400). You can also change the number of contours or set custom contour values. You can save some data in cookies, however there is a limit. Use the manual saving text areas below alternatively.
This service comes without any warranty whatsoever, including but not limited to functioning or correctness.
Resources: This service uses ArcGIS Map by Esri, the OpenStreetMap, Geocoding by Nominatim, Mapzen, Leaflet, jQuery and the CONREC contouring algorithm by Paul Bourke and Jason Davies.
Created by Christoph Hofstetter (christophhofstetter (at) gmail.com) 2013-2025If you want to have the contour maps as an individual layer (e.g. to create overlays) you can copy the code underneath the image below and save it as an svg file. Please note, as for now, the drawing below is square and you may want to stretch it to cover the actual area in a map.
| Download SVG file |
| Download KML file |
Why prefer official: firmware from the ISP or vendor is specific to your unit’s hardware and may be customized (provisioning, VLANs, TR-069 settings).
Official firmware for the is typically distributed through internet service providers (ISPs) rather than public download portals. 🛠️ How to Update Your Firmware
Firmware updates are a cornerstone of network security. Running an older firmware version may expose your router and the devices connected to it to known security exploits. When you download a new firmware, you are adding security patches that help close those potential points of attack.
Firmware is the operating system of your router. Updating it ensures:
Ensures the ONT works seamlessly with your Internet Service Provider’s latest infrastructure upgrades. Where to Download FiberHome HG6243C Firmware
Log into the router management page, navigate to Management or System Tools , and select Backup Configuration . Save this file to your computer so you can easily restore your internet settings, Wi-Fi passwords, and port forward rules after the update.
The FiberHome HG6243C is a widely deployed GPON ONU/ONT router featuring Wi-Fi capabilities, multiple Ethernet ports, and VoIP ports. It is commonly distributed by major telecom operators across Asia, Latin America, and Europe. Why Update Your Firmware?