This project presented a Design of a Single feed microstrip antenna has proposed for the Triple band operations and at the same time it mainly designed for satellite communication and the applications in K/Ka/Ku bands it is easy to fabricate, and high flexibility and improved antenna improved efficiency. The antenna has small dimensions of 70×29×0.787 and operates at 1GHz. This antenna mainly consists of a microstrip line in the center, two slot-loaded rectangular patches on the lateral sides, with two thin microstrip lines. The antenna is designed and simulated on High-Frequency Structure Simulator (HFSS) platform using Rogers RT/Duroid 5880 substrate with 0.787 dielectric constant and 0.002 loss tangent. The radiation pattern, return loss, vswr and gain results reveal that the antenna performs quite well at all frequencies.