---
title: Apps & special widgets | 30MHz support
description: Information about the applications, registration sheets and special widgets
---

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1. [30MHz support](https://support.30mhz.com/)
2. [Apps & special widgets](https://support.30mhz.com/apps-special-widgets)

# Apps & special widgets

 Information about the applications, registration sheets and special widgets

## Radiation-Temperature Ratio (RTR) app

- [Set up the Radiation-Temperature Ratio (RTR) application](https://support.30mhz.com/hc/en-us/articles/16028852703505-set-up-the-radiation-temperature-ratio-rtr-application)
- [How to install the RTR package?](https://support.30mhz.com/hc/en-us/articles/4411251745041-how-to-install-the-rtr-package-)

## Growing Degree Days (GDD) app

- [Growing Degree Days app installation](https://support.30mhz.com/gdd-app)
- [How to use the Growing Degree Unit widget?](https://support.30mhz.com/hc/en-us/articles/360010663357-how-to-use-the-growing-degree-unit-widget-)

## Irrigation Management app

- [What is the correct sensor depth for my crop?](https://support.30mhz.com/hc/en-us/articles/4521566635409-what-is-the-correct-sensor-depth-for-my-crop-)
- [FAQ Irrigation Management App](https://support.30mhz.com/hc/en-us/articles/10605293209873-faq-irrigation-management-app)
- [How to install your Irrigation Management Kit](https://support.30mhz.com/hc/en-us/articles/4470647320721-how-to-install-your-irrigation-management-kit)
- [Best practice for moisture sensor placement in soil or substrate.](https://support.30mhz.com/hc/en-us/articles/4737230457617-best-practice-for-moisture-sensor-placement-in-soil-or-substrate-)
- [How to use the Irrigation Management App](https://support.30mhz.com/hc/en-us/articles/4535907616145-how-to-use-the-irrigation-management-app)

## Weather data - Meteomatics

- [How can I visualise weather data in my dashboard?](https://support.30mhz.com/hc/en-us/articles/360012300958-how-can-i-visualise-weather-data-in-my-dashboard-)
- [Which data does the weather forecast provide?](https://support.30mhz.com/hc/en-us/articles/360012035417-which-data-does-the-weather-forecast-provide-)

## Registration sheets

- [How to start using Registration Sheets?](https://support.30mhz.com/hc/en-us/articles/360003692338-how-to-start-using-registration-sheets-)
- [How to visualise your Registration Sheet data with widgets](https://support.30mhz.com/hc/en-us/articles/360015637238-how-to-visualise-your-registration-sheet-data-with-widgets)
- [How can I import a file in my registration sheets?](https://support.30mhz.com/import-data)

- [Get started with 30MHz](https://support.30mhz.com/get-started-with-30mhz#main-content)

    - [Start here!](https://support.30mhz.com/get-started-with-30mhz#start-here)
    - [Start creating dashboards](https://support.30mhz.com/get-started-with-30mhz#start-creating-dashboards)
- [Manage Account](https://support.30mhz.com/manage-account#main-content)

    - [Get started](https://support.30mhz.com/manage-account#get-started)
    - [User & organisation settings](https://support.30mhz.com/manage-account#user-organisation-settings)
    - [Groups](https://support.30mhz.com/manage-account#groups)
- [Network and sensors](https://support.30mhz.com/network-and-sensors#main-content)

    - [Get started](https://support.30mhz.com/network-and-sensors#get-started)
    - [Troubleshooting](https://support.30mhz.com/network-and-sensors#troubleshooting)
    - [Pointed Micro Climate sensor](https://support.30mhz.com/network-and-sensors#pointed-micro-climate-sensor)
    - [PAR sensor](https://support.30mhz.com/network-and-sensors#par-sensor)
    - [Substrate moisture sensors](https://support.30mhz.com/network-and-sensors#substrate-moisture-sensors)
    - [Vented temperature & humidity sensor](https://support.30mhz.com/network-and-sensors#vented-temperature-humidity-sensor)
- [Platform functionalities](https://support.30mhz.com/platform-functionalities#main-content)

    - [Analyse your data](https://support.30mhz.com/platform-functionalities#analyse-your-data)
    - [Getting social](https://support.30mhz.com/platform-functionalities#getting-social)
    - [Troubleshooting](https://support.30mhz.com/platform-functionalities#troubleshooting)
    - [Export](https://support.30mhz.com/platform-functionalities#export)
    - [Notifications](https://support.30mhz.com/platform-functionalities#notifications)
- [Apps & special widgets](https://support.30mhz.com/apps-special-widgets#main-content)

    - [Radiation-Temperature Ratio (RTR) app](https://support.30mhz.com/apps-special-widgets#radiation-temperature-ratio-rtr-app)
    - [Growing Degree Days (GDD) app](https://support.30mhz.com/apps-special-widgets#growing-degree-days-gdd-app)
    - [Irrigation Management app](https://support.30mhz.com/apps-special-widgets#irrigation-management-app)
    - [Weather data - Meteomatics](https://support.30mhz.com/apps-special-widgets#weather-data-meteomatics)
    - [Registration sheets](https://support.30mhz.com/apps-special-widgets#registration-sheets)
- [Developer docs](https://support.30mhz.com/developer-docs#main-content)

    - [API documentation](https://support.30mhz.com/developer-docs#api-documentation)
    - [Data-integration](https://support.30mhz.com/developer-docs#data-integration)
- [What's new?](https://support.30mhz.com/whats-new#main-content)

    - [Monthly updates](https://support.30mhz.com/whats-new#monthly-updates)
    - [Big platform updates](https://support.30mhz.com/whats-new#big-platform-updates)
- [Webinars](https://support.30mhz.com/webinars)
- [Get help](https://support.30mhz.com/get-help)

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