Title :
Correction [to Proc. IRE, April, 1920, vol 8, no 2, pg 165]
Abstract :
A corrected formula is presented for the one that appears in The PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS for April, 1920, volume 8, number 2, page 165, on line 3. Also, a correction is made to the seventh column of the second portion of Table 1.
