Abstract :
The paper gives a resumé of the measurements of 1924. Observations were taken twice a day on the folowing stations: Lafayette (Bordeaulx), Ste. Assise (Paris), Nauen (Berlin), Bolinas (California), Monte Grande (Argentina), and Cayey (Porto Rico). In addition, measurements were made in August and September at San Diego, California, on signals from Cavite, P. I., and Malabar, Java, respectively, 11,300 and 14,700 km. distant. The tables and curves show the monthly averages of signal and corresponding atmospheric disturbance strength for the various stations and also some comparisons of these quantities for the years 1922, 1923, and 1924.
