This reseach have done on September, 2005 in RRI Semarang and pusposed to the know format of “majalah udara” on rural program at RRI Semarang using case study. Primary data were collected from interview and observation. Data were analysed descriptively. The result indicated that RRI‟s rural program carried out in the form of extension broadcasting program to increase the farmers‟ knowledge and in turn can change the farming pattern. The program broadcasted at 05 a.m. and repeated at 7.30 p.m. every Friday, called „Langlang Pradesa‟ Program.