LPDA Designer is an Android app developed by Valery Kustarev that allows users to calculate and design a home-made log-periodic antenna (LPDA). The app is designed to provide a cost-effective solution for those who require a wide bandwidth in applications such as digital TV and digital networks.

The app is user-friendly and easy to navigate. It provides the user with a step-by-step guide to design their own LPDA. The app also includes a calculator that allows the user to input the required parameters and receive the necessary calculations. The LPDA Designer app is free to download and use.

LPDA Designer is a useful app for those who require a wide bandwidth in their applications. It provides a cost-effective solution for those who cannot afford to buy an LPDA. The app is easy to use and provides a step-by-step guide to design an LPDA. Overall, LPDA Designer is a great app for those who need to design their own LPDA.