> For the complete documentation index, see [llms.txt](https://support.senterasensors.com/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.senterasensors.com/home/rtk-ppk-module/data-processing/ppk-processing/redcatch/65r.md).
# 65R
## Processing
{% stepper %}
{% step %}
### Open REDcatch
Click PPK & Geotagging
{% endstep %}
{% step %}
### Verify Project Setup
Use the default settings
* **Select your Device:** DJI® - P4RTK™ | M300™ | Mavic3E™
* **Type of Correction:** PPK \[cm]
* **Output Height:** Ellipctical
{% endstep %}
{% step %}
### Select Image Files
Click the Image tab.
Click Select.
Navigate to your Session Folder and select your image folder. Then click Select Folder.
{% hint style="info" %}
For the 6X Series Sensor, select and process each band seperately.
{% endhint %}
{% endstep %}
{% step %}
### Select Rover Files
Click the Rover tab.
Click Select for the Trigger File.
Navigate to your session folder and select the sentera-timestamp.mrk file. Then click Open.
Click Select for the Rover File.
Navigate to your session folder and select the sentera-gnss.ubx file. Then click Open.
{% endstep %}
{% step %}
### Select Base Files
Click the Base Tab.
Click Select for the Base Observation File.
Navigate to your base station data and select the observation file. Then click Open.
Click Select for the Base NAVigation File(s).
Navigate to your base station data and select the navigation file. Then click Open.
{% endstep %}
{% step %}
### Configure Output Settings
Click the Output tab.
Click EXIF to save new image files after processing.
{% hint style="info" %}
Images will be overwriten during processing if EXIF is not checked.
{% endhint %}
{% endstep %}
{% step %}
### Process
Click RUN and generate output.
{% endstep %}
{% endstepper %}