Experimental results of radio observations at the Yakutsk EAS in 2009-2011

Results of radio emission measurements at 30-34 MHz from extensive air shower particles with primary energy above 10¹⁷ eV are presented. The data recorded at the Yakutsk EAS for the period 2009 – 2011 years with energies above 10¹⁷ eV, zenith angles less than 60 degree, the axes of which were within a large EAS. The shape of the spatial distribution has a different slope, depending on the distance to the shower axis. At large distances R > 500 m from the shower radio emission is small and almost constant up to a distance of 800 m. The primary energy of EAS and the amplitude of the peak radio pulse are correlated.