地デジアンテナ調整

This app helps you determine the correct direction to point your digital terrestrial television (DTT) antenna.

It displays the direction of DTT transmission towers, transmitters, and relay stations from your current location or a location specified on the map. It can be used as a guide for installing, checking, and adjusting your TV antenna's direction.

【When to use this app】

・You want to install a DTT antenna.

・You want to check the direction of your TV antenna.

・You want to find nearby transmission towers and relay stations.

・You want to check the antenna direction at your new home.

・Your TV reception is poor and you want to check the antenna direction.

・You want to check the direction outdoors or on a balcony.

【Main Features】

・Check DTT transmission stations around your current location.

・Display the direction of transmission towers from a specified point.

・Check the relative positions of your current location and transmission stations on a map.

・Display a guideline for the direction to point your antenna.

The direction displayed by this app is a guideline for antenna adjustment. Actual reception is affected by terrain, buildings, trees, antenna performance, installation location, wiring, boosters, etc.


When making final adjustments to your antenna, please check the reception level on your TV or measuring device. Working on the roof or at high altitudes is dangerous. Do not attempt the work yourself, and consult a professional if necessary.