A Pc1 emission event with uncommon propagation characteristics was revealed in the study of the search-coil magnetometer data from two Russian midlatitude observatories separated by 4000 km. Dynamic spectra of the emission showed pronounced structure with a repetition period of about 130 s. By comparing the wave form plots for the two locations we found an unusually large phase difference as much as nearly 180 between the plotted envelopes. We discuss a most probable model assuming that the signal received at one of the two observatories must propagate from the source region in the opposite hemisphere.