With reference to GAGAN (GPS Aided Geo Augmented Navigation), India's satellite-based augmentation system, consider the following statements:

1. It improves the accuracy and integrity of GPS signals over the Indian region.

2. It provides a uniform, high-quality navigation signal across civil aviation and other sectors.

3. Its benefits are limited strictly to civil aviation and have no application beyond it.

Which of the statements given above is/are correct?