a diode across the control input lines of the relay might help. Larry Levesque KA1VGM Cheshire County EC NHARES On Sat, Dec 15, 2012 at 5:58 AM, Gunnar Bulukin <gunnar@xxxxxxxxxx> wrote: > ** > Hi all, > > SA6BQZ-1 will be closed for a while. > The reason is rather strange. > In my shack I have a control enter for heating of water and wastewater > pipes for the south part of our Island. > When the relay is in on position and the rig tx the relay starts to go of > and on very rapidly. > By doing so the relay will be broken so I have to turn of the rig until I > can find a way of getting control of the HF disturbance. > > 73 de Gunnar > >