In most of the world, fixing broken receivers for Elon Musk¡¯s Starlink satellite service is fairly straightforward: Users can get help by entering a support ticket with the company online. ¡°Please make sure,¡± the website helpfully reminds customers, ¡°to update your shipping address in the event replacement hardware is shipped.¡±

But what if your location is a trench in war-torn eastern Ukraine that¡¯s obstructed by Russian President Vladimir Putin¡¯s drones, glide bombs and infantry?

That¡¯s where Dmytro Stetsenko comes in. The 45-year-old chief executive officer of Kyiv-based Stetman employs 140 technicians and other staff members to repair or upgrade Starlink equipment and provide alternatives, part of a sprawling cottage industry of backstreet workshops tinkering with the gear for military and civilian use.