The Antennas Museum
From Hertz's spark gap to 5G phased arrays — how we learned to launch radio waves into space. Visualize radiation patterns, explore 35 antennas, and calculate link budgets.
Radiation Pattern Lab
Gain: 2.2 dBi
3-dB beamwidth: 78°
Front-to-back: ∞ dB
Gallery
35 antennas spanning 140 years of radio — from Hertz's spark-gap rods to 5G beamforming arrays. Click any card to copy its description.
No artifacts in this category.
Timeline
Key milestones from 1864 to the 2020s — scroll to follow the story of the antenna.
Playground
Hands-on tools for exploring antenna theory.
100 MHz
30 dBm
10 dBi
10 dBi
1000 MHz
10 km
Typical antenna gains, from isotropic reference to giant parabolics. Gain is a measure of how tightly an antenna focuses its energy compared to a theoretical source that radiates equally in all directions.