Bad Elf Flex: Orthometric Height / GEOIDs
Supported GEOID Models
The following GEOID packages are available for the Bad Elf Flex:
Region | Description | Download |
World-wide | | 137.8 MB |
USA & Canada | GEOID18: CONUS, Puerto Rico, US Virgin Islands (high-resolution NAD 83) GEOID12B: CONUS, Puerto Rico, USVI, Alaska, Hawaii, Guam, CNMI (high-resolution NAD 83) USGG2012: CONUS (high-resolution WGS84/ITRF2008) CGG2013: Canada (high-resolution WGS84/ITRF2008 and NAD 83 CSRS)
| 112.4 MB |
USA | | 30.1 MB |
Australia & New Zealand | | 12.5 MB |
Great Britain, Ireland, Northern Ireland | OSGM15: Great Britain (ETRS89/OSTN15) OSGM15_IR: Ireland (ETRS89/OSTN15) OSGM15_NIR: Northern Ireland (ETRS89/OSTN15)
| 0.8 MB |
Brazil | | 0.6 MB |
Caribbean | | 1.3 MB
|
Installation Instructions
Make sure your Bad Elf Flex is running firmware version 1.0.19 or newer. If not, update your firmware first.
Download the desired GEOID package(s) to your PC or Mac using the links above.
Copy the file(s) to any FAT-formatted USB drive, and cleanly unmount/eject the USB drive from your computer.
Turn your Bad Elf Flex unit ON by holding the power button for 3-4 seconds, and wait until you see the main LCD screen (~30 seconds).
Plug the USB drive into the supplied USB-OTG adapter cable.
Plug the USB-OTG cable into the Mini-USB port on the back of your Bad Elf Flex.
The left LED should illuminate with a purple status indication, indicating the OTG cable was detected.
The LCD screen will display a message indicating the USB Drive was detected.
Within a few seconds, the Flex will start the update process. You will usually see the all the LEDs turn purple during the update, and the screen will display a "Shutting down..." or "Updating firmware..." message.
The GEOID packages can take 1-3 minutes to install depending on the speed of your USB drive. You may or may not see any progress indication. Be patient!
When finished, you will hear 2 beeps, and the firmware will automatically restart.
You can safely disconnect the USB drive and USB-OTG adapter cable from the back of your Bad Elf Flex.
To configure the Bad Elf Flex to use a GEOID model, pair your Bad Elf Flex with your phone or tablet, and open the Bad Elf Flex app.
Navigate to Flex Settings > Elevation/Orthometric Height to confirm the GEOID package is available and select your desired model.
Change History
Date | Description |
9/29/2020 | First release with support for US and Canadian GEOID models |
3/19/2021 | Added support for Australia, New Zealand, Caribbean, Great Britain, Ireland, Northern Ireland |
11/3/2022 | Added worldwide EGM2008 (1-degree) model
|
Related Articles
Bad Elf Flex: Ortho Everywhere - Orthometric Height Elevations in ArcGIS
This article has been deprecated, please see our new article Bad Elf Flex Ortho Everywhere Problem If you’re using your Bad Elf Flex with RTK via NTRIP in combination with ArcGIS Field Maps or QuickCapture, you may have faced obstacles when ...
Bad Elf Flex: Ortho Everywhere - Flow Orthometric Height Elevations in ArcGIS Field Maps
Introduction Using the Bad Elf Flex with RTK and ArcGIS Field Maps for elevations? You may have noticed inaccurate vertical elevations. That’s because ArcGIS Field Maps records ellipsoidal heights in the ESRIGNSS_ALTITUDE field, while most users need ...
Bad Elf Flex: Updating Firmware
Ready to upgrade your Flex to the latest firmware? Just follow these steps: On your phone or tablet, install or upgrade to the latest public Bad Elf Flex utility app available on the App Store (iOS) or Google Play Store (Android). Connect your Flex ...
Bad Elf Flex: GNSS & RTK Feature
Primary GNSS Status Page Field descriptions Horizontal - the reported statistical accuracy reported by the GNSS Elevation - the reported GNSS elevation as configured by the Bad Elf Flex app. This includes the specific geoid model currently in use. ...
Bad Elf Flex: Primary User Interface
Main Menu This feature provides detailed information specific to the performance of the GNSS engine including: GNSS accuracy measures GNSS positional measurements Operating configuration Sky plots RTK statistics L-Band Statistics Orthometric heights ...