A Day Among Giants: Our Satellite Communication Adventure at BSNL Yeoor Hills
The date was November 6th, 2025 . A palpable buzz of anticipation filled the air as we, the 2nd to 4th-year students of the SPIT EXTC department, arrived at the BSNL Satellite Earth Station high up in Yeoor Hills, Thane. We weren't just visiting a facility; we were entering the heart of India's global telecommunication network. As we stepped out, the sheer scale was the first thing that grabbed our attention. Massive satellite dishes pointed silently toward the sky, connecting us to satellites orbiting thousands of kilometres away. This was the place where the nation's digital arteries begin their long journey. Tracing the Signal's Journey Our story began with understanding the fundamental architecture. It's a precisely choreographed dance between Earth and space: The Uplink Power-Up: We learned about the Uplink Chain . Our data, starting from a modest 70 MHz signal at the Modem , is sent to the Upconverter and then boosted by the High Power Amplifier (HPA) . I...