nickyb Joined Sep 13, 2015 Messages 392 Reaction score 98 Location Northern Hemisphere Sep 27, 2015 #21 Sounds maybe like EM interfering with the sensitive on board compass, some HT voltages can reach many thousands of volts and there 'magnetic torus' can reach many hundreds of metres, almost certainly affecting compass precision.
Sounds maybe like EM interfering with the sensitive on board compass, some HT voltages can reach many thousands of volts and there 'magnetic torus' can reach many hundreds of metres, almost certainly affecting compass precision.