Double Bi-Quad Antenna Calculator - Online Antenna Designer

This webpage offers an online antenna designer tool to calculate the dimensions for constructing a double bi-quad antenna for various frequencies. The directional antenna is suitable for UHF and higher frequencies, such as WiFi, UMTS, LORA, and mobile phone networks. It provides dimensions based on the input frequency, making it ideal for hams looking to build their own antennas for specific applications. The tool also mentions using common household materials like copper wire for construction, making it accessible for amateur radio operators with basic equipment.