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Arc Raiders will hand out plenty of quests as you progress through its fairly long base storyline, and things can get confusing faster than you might expect. That said, one of the earlier quests keeps things relatively straightforward—at least on the surface. Off the Radar tasks you with repairing an antenna on a field depot, but many players end up unsure what a field depot actually is or where to find one. Thankfully, Gamer Choice has you covered with a full breakdown of every field depot location on Dam Battlegrounds and a clear explanation of how to repair the antenna.
You don’t need to successfully extract from Dam Battlegrounds to complete Off the Radar, so it’s perfectly fine to drop in with a free loadout. That way, you won’t risk losing any valuable gear if you get taken out while topside. Still, extracting is always the ideal outcome if you can manage it. With that in mind, here’s a step-by-step look at how to fix a field depot antenna.
Here's how to fix a field depot antenna for Off the Radar.
To repair a field depot antenna, your first step is locating a field depot. Fortunately, these structures are spread all across Dam Battlegrounds, which means you’ll always have at least one nearby no matter where you spawn on the map. In total, there are six different field depot locations on Dam Battlegrounds that you can use for this quest.

After choosing which field depot you want to head toward, travel to the building and approach it carefully. For the purposes of the Off the Radar quest, you do not need to complete the usual objective of delivering a field crate to the depot—though you’ll be doing that in later quests. Instead, all you need to do is locate the ladder on the side of the structure, climb up, and interact with the antenna mounted on the roof.
Be aware that repairing the antenna creates noise, which can draw the attention of nearby ARC enemies. If you notice enemies moving in, it’s best to deal with them quickly. Ducking back inside the field depot won’t offer much safety, as ARC units can still spot you through openings and attack you with little trouble.

Once the antenna repair is complete, the Off the Radar quest will be marked as finished. You don’t need to survive the rest of the raid for the quest to count, but attempting to extract is still recommended if the situation allows. Depending on your spawn point and which field depot you chose, you should have several extraction elevators available nearby. Move cautiously, clear out any remaining ARC threats, and make your way back to Speranza to turn in the quest and collect your rewards.