 The purpose of this transmission is to clear the channel of unauthorized and out of band broadcasting, to improve reception conditions for ships wishing to communicate with coast stations on this frequency or on adjacent maritime channels.Paul Harris's book "Broadcasting from the High Seas", published in 1976, suggests the UK government suspected RNI's shortwave equipment was sending coded messages to unfriendly countries, in particular the German Democratic Republic (GDR).Harris also claimed Edwin Bollier vowed to take revenge on the British government because he felt RNI had been singled out for jamming.