Spacecraft

Voyager high-gain antenna — high gain antenna diameter

≈ 3.7 m

The selected high gain antenna diameter for Voyager high-gain antenna is 3.7 m (approximate reference).

Published reference measurement · Catalogue uniruler-preview-2026-10-19-r4

What is being measured?

Approximate diameter of the dish shared by the twin Voyager designs; not the span of their long instrument booms.

Use the named object, variant and dimension. A manufactured or natural object can differ from this reference.

Dimension
high gain antenna diameter
Reference value
3.7 m
Evidence
Published reference measurement
In metres
3.7 m
Variant
Voyager 1 and 2 high-gain antenna design

Put the length in perspective

One Voyager high-gain antenna represents approximately 43.2 card lengths measured end to end. This is a length ratio; it does not calculate how the objects pack or fit.

Voyager high-gain antenna · 3.7 m

Metre · 1 m

Foot (international) · 0.3048 m

One of each reference, on the same linear scale. Very small lengths may not be visible. This compares length, not area or physical fit.
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