<![CDATA[Microstrip antenna is a type of antenna that has several advantages, namely having a small size and weight, easy and cheap to implement, being able to operate on single, dual or multi bands, can produce circular and linear polarization. However, there are several disadvantages of microstrip antennas, namely that they are easy to deform due to pressure and temperature from outside or from the antenna itself, causing the antenna to bend or bend which results in decreased antenna performance due to worse antenna parameters. This study analyzes the effect of bending the orientation of the xaxis and y-axis on the performance of the 27 star microstrip patch antenna. The design of the 27 star-shaped microstrip antenna with a copper conductor. The analysis was carried out using two methods, namely simulation using the CST Studio Suite 2021 application and antenna measurements using a vector network analyzer. The study used is analytical in nature which refers to the results of simulations and real measurements. The objectives to be achieved in writing this research are to design a 27 star microstrip antenna and analyze the effect of bend on antenna performance. The methods used in this research are: literature study, antenna design, antenna measurement, analysis of simulation results and antenna measurement results, as well as drawing conclusions and suggestions. The measurement and simulation results show that bending affects the quality of the antenna resulting in a change in the parameter results, this occurs due to a decrease in performance due to changes in the shape of the antenna which are different compared to the flat state, so that the parameter results have worse values than before Keywords: Microstrip antenna, X-axis bending, Y-axis bending, CST Studio Suite, ARINST VNA]]>
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