Antennas Can Be A Total Mystery

I Bought a Mystery Box from RW ANTENNAS!

First North American ALMA Antenna - National Radio Astronomy Observatory

W5GI Mystery Antenna - IW5EDI Simone - Ham-Radio

Final North American ALMA Antenna Delivered - National Radio Astronomy Observatory

Carlsbad's Viasat reveals a problem with recently launched, terabit-class Internet satellite - The San Diego Union-Tribune

W5GI Mystery HAM Radio Antenna (Part 2) WOW! - 1.5 Hours on the 40m Amateur Radio Band (Inter-G)

The $4 special antenna - The

Need help identifying this antenna

Scope-in-a-Box Antenna Upgrade

K4TR

De-mystifying the W5GI Mystery Antenna

What are those roadside antennas?