When is an antenna a wideband antenna?

Blog post about wideband antenna nomenclature. Introduces the concept of wideband antennas and hints at the physics underlying frequency independent antennas.

Figure 1 from Wideband Microstrip Patch Antenna With U-Shaped Parasitic Elements

When is a wideband antenna frequency independent?

When is an Antenna a Wideband Antenna?

ESEA Does It! -- Preventing an emitter from damaging your DF antenna

ESEA Does It! -- Preventing an emitter from damaging your DF antenna

Converting AOAs to LOBs — a DF & Compass Game

What is a Ultra-wideband antenna?

DEEPACE Wideband Omnidirectional Antenna UWB-4 1.8GHz-9GHz, DEEPACE

WB-2245/VRC Wide-Band Antenna (Green) - Shakespeare Military Antennas

Converting AOAs to LOBs — a DF & Compass Game

WIDE OPERATING FREQUENCY RANGE: Ultra wideband antenna has a wide operating frequency range from 3.9Hz to 10.5GHz, which makes the antenna applicable

UWB Antenna Printed Circuit Board Antenna Ultra Wideband Antenna Module Lightweight Portable Stable Performance for Communication System Radar Systems

Additive manufacturing in compact high-gain wideband antennas operating in mm-wave frequencies

Communicate like a pro, so Boris doesn't know: with directional

AS-48610 Wideband Circularly Polarized Spiral Helix Antenna

Wilson Electronics Wideband Directional Antenna 700-2700 MHz, 50 Ohm (314411) : Electronics