It will depend on if you want to integrate just the weather data or both the weather and ballistics data. If you need the ballistics (and/or weather) data, please send an email with a high level description of the project to Tech Support Email.
If you just need the weather data protocol, you can fill out our Technology Agreement found here: Kestrel Technology Agreement

This video will show you how to make your data publicly viewable: Public Data Sharing

Please try this guidance shown here:

Fixing Connection Issues with an iPhone or iPad with Kestrel LiNK Ballistics   (Size: 560.8 KB)

This guide will show a common workaround to assisting with connecting your Kestrel 5700 series unit with the Kestrel LiNK Ballistics app on an iPhone or iPad.

Please see this guidance for any power issues on the DROP

Troubleshooting a power issue with the Kestrel DROP   (Size: 504.4 KB)

Here is something to try if you DROP all of a sudden will not power up, even with a fresh battery.

Even though it shows connected, something is interfering with this connection. To troubleshoot:

1. Ensure app permissions are set in your phone's app settings
2. Reboot your phone
3. Do a reset on the Kestrel. Take out battery, hold down power for 30 seconds, put battery back in
4. Try reconnecting to the Kestrel Ballistics app

Here's a video that shows how to calibrate the compass and has some troubleshooting tips as well: Compass Calibration ... Permalink