Stop blaming your internet provider. Your solution could be to update your Wi-Fi setup with some simple changes. Here's what worked.

Theoretically, the best option would be to use an outdoor extender, but only a few consumer-rated products are available.

His design is based on Coaxial Collinear Antenna for ADS-B Receiver by [Dusan Balara] which uses pieces of the coaxial cable cut to the right length.