Revisions made July 11, 1996: Changes have been made to the Toyokawa daily solar radio flux data for the time period May 1956-June 1957 in the 9400 MHz flux values and for the time period August 1957-December 1961 in the 2000 MHz flux values. These changes are found in the Revised Flux Density tables in the paper "Eleven-Year Variation of the Spectrum of Solar Radio Emission on the Microwave Region" by Haruo Tanaka, Proc. Res. Inst. Atmosph., Nagoya University, 11, 41, 1964.