Ping

spotter (n.): An ancient spacer’s tool, dating back almost as far as the navigator’s sextant, the engineer’s multi, or the medtech’s hand effector, used for locating and profiling distant objects in space: a boon to anyone who has to manage a docking bay, shift cargo in microgravity, perform extravehicular activities in crowded neighborhoods, or engage in the smallest of small-craft operations, which is to say, riding a candle.

The original spotters were no more than handheld radar transceivers with direct audio feedback into the user’s helmet interface. Wave it around, and when you hear beeping, it’s pointing at something. The faster the beeping, the closer that something is to you. Learning what a particular rate meant in terms of range, and keeping an ear on the change of beep rate, were left as skills for the user to develop.

The modern spotter is a rather more sophisticated device, thanks to miniaturization and commercial development. HUD feedback now monitors its position relative to your body to provide a more accurate sense of direction, and even the most basic models provide precise range and closing rate information. More advanced models use a phased-array antenna to sweep the beam across a target once detected, providing a profile for target recognition purposes and an estimate of spin.

Of course, there is in theory very little use for a spotter in the current age of space, since all spacecraft from the largest to the smallest include a transponder, and are further constructed from LOP-compliant hardware which will obligingly disclose its location upon receiving a network request. The Grand Survey has detailed charts of every object in space larger than a child’s ball. All objects within range should therefore, says theory, already be highlighted on your HUD.

It is a sign of the tremendous respect that spacer culture has for theory that there are at least a brace of spotters stored in every airlock and docking bay from the Core to the Rim.

– A Star Traveler’s Dictionary

 

One thought on “Ping

  1. Another way of telling changing distance would be a Shepard Tone. Ascending for “moves closer” and descending for “moves away. This would make the low end of the speed range much easier to tell by ear, especially for objects that are further away.

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