EPISODE · Jul 20, 2026 · 1H 12M
Suyash Singh on finding spaces in the space business
from Subtext by Zerodha · host Zerodha
We cover: - Why 70% of earth is always covered by clouds — and why that breaks most satellite imagery businesses - What synthetic aperture radar (SAR) is, and how it lets you see through clouds, fog, and even forests - The $0 → launch journey: 5 years of R&D, drone testing, and programme management - How GalaxEye miniaturised its sensor stack and tested it on drones before going to space - The real customers for satellite data (hint: it's not farmers — yet) - What it's actually like to book a launch on SpaceX and ship a satellite from Bangalore to Florida - India's space policy reforms and the rise of IN-SPACe - The one metric India's space ecosystem isn't tracking — but should be If you've ever been curious about what it takes to send something into orbit and build a business around it, this one's for you. Timestamp: 0:00 Introduction 2:29 Why Would Anyone Start a Space Business? 4:02 The Origin Story 11:33 The Big Idea: Opto-SAR & Consistent Satellite Imagery 23:44 What You Can Unlock by Combining SAR + Optical 27:26 India's Space Policy Reform & The Rise of IN-SPACe 33:13 Building the Satellite: 5 Years from Idea to Orbit 46:50 Funding a Deep Tech Startup Before Revenue 52:13 How R&D Should Work in Indian Industry 47:06 The Real Challenges of Operating in Space 51:10 Booking a Launch with SpaceX 55:11 The Emotional Reality of Launch Day 1:06:44 Mapping India's Space Industry: Where We Stand 1:10:56 GalaxEye's Long-Term Vision
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What this episode covers
In this episode, we sit down with the founder of GalaxEye to explore one of the most audacious bets in Indian deep tech: building a satellite that can see through clouds. We go deep on the technology behind Optical SAR (OptiSAR) — a fusion of multi-spectral imaging and synthetic aperture radar — and why consistent, all-weather satellite imagery could be as transformative as GPS.
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Suyash Singh on finding spaces in the space business
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