secondary objectives

[Nenzo]

usually on the minimap there is only one of the two secondary objective (normal) how do i find the second one? do i need to check all the map?:(

[Hagon Wyvon]

either u get lucky and find a radar station early in the mission or u gotta walk the entire map to search for all the objectives

[Monarch]

Honestly just be observant.

Both Mushroom and Broadcast tower stick out like a sore thumb.
You know there's a mushroom if there's an area with dense fog.
You can spot Broadcast tower with that glowing ass display.

SEAF Artillery is slightly trickier, but still big enough to spot.
Radio tower is slightly harder, but it's still a significant enough landmark to stick out from the rest of the wreckage.

Technically, you'd want to close all the bug nest to maximize your income and XP anyhow. By closing bug nest, less will also spawn during extraction. Or some specific type will cease to spawn entirely - IE. Stalker Nest (You can spot these by seeing where Stalkers are gathering / yellow smoke)

^ You'd almost come across all the side objectives naturally if you play the game properly, instead of bee line main objectives and ♥♥♥♥ off.

[kknd]

So, you can zoom in and out your minimap, and if you scroll over a PoA, it'll show up (both visually and the label going from the compass direction to saying so. Not sure if secondary objectives get the same treatment, but I'd assume so.