An analysis of the POGO satellites observations of the magnetic field of the equatorial electroject for the September equinoctial months of the years 1967, 1968 and 1969, provided about 500 values each of the electrojet half-width w, its peak current intensity J 0, its total eastward current I + at 11, 12, 13, 14 and 15 h LT. The all-sector daytime average values of the parameters for the three years are 232 ± 47 A km −1 for J 0, 234 ± 6 km for w and (55± 8)×10 3 A for I +. This first coverage of all sectors of the globe gives the first study of the diurnal variation of the total current and shows that all the three parameters vary substantially with local time; that w has minimal values around local noon; that J 0 has a pronounced peak around local noon as may be expected from the diurnal variation of H; and that I + has a broad maximum around 11 h and 12 h LT.