As with any other season, Season of the Plunder has a Seasonal Title that players can aim to achieve. For this season, we have the Scallywag Title which you can get by completing all 10 Triumphs during the season’s duration.
One such triumph is Semaphore Signals where you have to listen to radio signals in The Ether Tank. If you’re struggling to complete this triumph, this guide is for you.
Semaphore Signals Guide | Triumph Location in Destiny 2 Season of Plunder

This triumph is actually quite easy to complete. All you need to do is to head over to navigate to H.E.L.M on the Sol system via fast travel. Then, head over to Last City: Eliksni Quarter. From there, simply walk up to the Ether Tank that’s right in front of you and interact with the radio outside.

After interacting with the radio, you’ll then start hearing radio signals. At the same time, you’ll get a notification saying Triumph Completed. If for some reason you can’t interact with the radio, all you need to do is complete the Shipstealer quest first and then go back to this spot.
Since this is most likely a weekly task, that means you’ll have to find yet another spot for next week.

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