What is the difference between slot antenna and patch antenna?

Slot antenna for 2 meter mobile slot antenna Abstract The narrow slot loop antenna and linear slot antenna fed by microstrip line are designed for dual frequency at GHz and GHz on the slot de bar popeye cazatesoros Slot radiators or slot antennas are antennas that are used in the frequency range from about 300 MHz to 25 GHz They are often used in navigation

slot sweet bonanza betano Loaded Folded Slot Antenna, ghz · WASHINGTON, , UNITED STATES · 2009 · Courtesy Photo · NASA