Indiana University Amateur Radio Club

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Indiana University Amateur Radio Club (K9IU)
Abbreviation K9IU
Formation Before 1925
Type School Club
Purpose Advocacy, Education, Fun
Region served
Indiana University
Official language
Remarks FM Repeater on 146.940Mhz (-600Khz)

Indiana University Amateur Radio Club or K9IU is the amateur radio club at Indiana University, Bloomington. The club is involved in a wide range of amateur radio activities, including contesting and local community service (for example, the Hilly hundred).

Facilities and services[edit]

K9IU currently operates a 2-meter and a 70cm repeater, both with IRLP links. The club runs a weekly net, and has a shack in the Indiana Memorial Union's west tower (the "student activities tower"), with two HF rigs. Antennas include an HF beam, and are located on top of the tower where the shack is located.


In the early 1920s, the physics department had been licensed under the call 9YAG. The club was founded by 1925 and was licensed under the call W9IU by 1930. Later, the club's call was changed to K9UAN, and in 1960 it moved to a shack at the Indiana Memorial Union. The club's current call sign, K9IU, was issued in 1962.