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External GPS – Juniper Geode

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    I was wondering if anyone else is using the external GPS “Geode” from Juniper Systems ? (

    It’s been great and I have been using it for Esri Collector & Survey 123 and I am able to use it with Avenza as my external GPS on my Android device. What I’m wondering is can anyone confirm that on iOS Avenza would be using the Geodes GPS as it’s location source?

    Not being able to adjust any setting with iOS I’m curious if anyone else is using the Geode with Avenza for iOS?

    Thanks alot,
    Carey Prendergast


    Hi Carey,

    Thank you for making a post.

    Currently, there are several devices that are confirmed to work with Avenza Maps such as Trimble and Bad Elf. The article, Connecting to an External Device, have instructions for several devices in order to connect successfully.

    Here are several External GPS Units that have some documentation.

    While Avenza Maps does not have full coverage of all external GPS devices, there have been some devices that have worked that we have not listed.

    I would give Juniper System’s video Connecting the new Geode to an iPhone | Field Ready a shot to test the compatibility (if you already own the device).

    Please let me know if you have any questions.


    Greetings. I’ve been using the Juniper Geode as an external GPS thru an android tablet. Getting my PDF maps from SarTopo. When running tests the tracks are consistently accurate with or without tree cover. The points however are way off, as much as 30 meters. and there’s now rhyme or reason, no patterns that would indicate conflicting datum systems (like WGS84 vs. NAD 27).

    I have run my Garmin Astro 320 on the same course at the same time and when I import those data to SarTopo the tracks and points are dead on. The Garmin is operated independently, not as an external device feeding into Avenza.

    I am not sure where to start with the trouble shooting – could it be something with the Avenza-Geode interaction?

    Thanks Much



    Hi Jimbo,

    Thank you for making a post.

    You can connect an external GPS to your device to improve the accuracy of your GPS fixes. This allows you to attain much greater accuracy than your device alone is able to achieve.

    In order to work with Avenza Maps, you must have your GPS device correctly synced with your phone or tablet. This is done by downloading the corresponding app for your device and ensuring the device is successfully paired with the app.

    Currently, Avenza Maps only directly interfaces with Trimble devices, however, if you are able to connect with other devices (e.g. Geode) successfully, you will see the improved GPS results within the app.

    There are a lot of Bluetooth GPS units that we have specific partnerships with and others that are less official, but it should work. Depending on the brand, we have noticed some external GPS units work better than others when it comes to certain platforms like iOS. Accuracy and function is dependent on your device, the Avenza Maps app is fed fixes from the operating system, so essentially, if the GPS unit is properly feeding it and the device is happy, it will work.

    The following link below offers more information, steps and images to help you for your device:
    Connecting to an External GPS Device


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