Engineering Magic®

Apple Approved
Bad Elf's accessories meet the requirements of  Apple's MFi program.  Our engineering team tests extensively with each new product release of the iPhone, iPad, and iPod touch.
Apps Galore
Developers with deep domain expertise and great design acumen combine Bad Elf and Apple devices to create the ultimate user experience.  See the list.
No Cellular Required
Our products provide rock-solid GPS to iPhone, iPad, and iPod Touch to allow you to see your GPS position in any app on the App Store.


Announcement: New Bad Elf App and Firmware for the GNSS Surveyor Accessory (Post-Processing and DGPS Support)

September 13, 2016

We designed and built the Bad Elf GNSS Surveyor to provide affordable mapping-grade accuracy of about 1 meter when used with SBAS and PPP. The Surveyor has reliably achieved accuracy better than traditional external GNSS accessories. After careful research and rigorous testing, we have enhanced the GNSS Surveyor to expose some of the additional capabilities of this very capable accessory.Last week we released two major new features: high-accuracy raw data collection for post-processing and support for real-time Differential Global Positioning System (DGPS) corrections via our app’s built-in NTRIP client. To access these additional capabilities, download the latest app from iTunes and then follow the in-app instructions to upgrade the firmware on your GNSS Surveyor. Post-processing - Getting Accuracy Below 1...

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Announcement: Bad Elf Supports High Accuracy Location in Esri Collector

June 28, 2016

We have all heard that phrase, “Location, location, location.” But, what does this mean for the world of GIS? Obtaining location accuracy when collecting data delivers incredible value. The smart devices we carry daily in our pockets or the tablets we use for education and entertainment can only reliably deliver an accuracy of about five meters. For some, that is good enough. For others, it has to be better. Consider standing on a point and looking five meters in any direction. If you are looking for a park bench in the middle of nowhere, it will be easy to find. However, what if that point you have in your GIS is within a meter? It’s a lot easier to find...

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