Indonesian-English Code-Mixing Used by Broadcasters in Rapma FM Radio Station at UMS

This study aims to find the types of code-mixing and describe the reasons for using code-mixing used by radio broadcasters. This type of research is descriptive qualitative research. The data of this research is in the form of utterances containing of code-mixing. The data collection technique uses observation with the following steps: recording the broadcasting, collecting the recording, listening the recording, transcribing the recording, classifying the types and reasons for using code-mixing, transcribing based on groups, then provide data coding. The data analysis technique for identifying the types of mixing code using Suwito's theory (1983); explaining the reasons for using Kim's (2006) code mixing. The results of this study are: Firstly, there are five types of code mixing which are ranked respectively from the highest of occurrence to the lowest, they are code-mixing in the word form, phrase form, repetition form, hybrid form, and clause form. The most dominant type of code-mixing used by broadcasters is the code mixing in the word form with a percentage of 60%. Secondly, there are five reasons for using code mixing which are ranked respectively from the highest of occurrence to the lowest, they are explaining factors, habitual factors, message intrinsic factors, participant roles and relationship, and situational factors. The most dominant reason of using code mixing used by broadcasters because of the explaining factors with a percentage of 43%