UNIDentified station or extended broadcast of TWR Africa June 19

UNIDentified station or extended broadcast of TWR Africa June 19
from 1800 on 11700 MAN 100 kW / 013 deg to EaAf Mx/Amh?/Oro? and
from 1809 on 11700 SCB 100 kW / 195 deg to WeAf English R.Biafra