i have
IBB 3mb line a few years back worked gr8 for a few months in the winter loved it then summer came and everything changed my connection was up and down like a yoyo. One second perfect next gone then perfect then gone again call
IBB e everything was perfect for there end etc... finally got 2 guys out to the house and the answer they gave me after 15mins of tunning the aerial in 3 differant directions was its summer the trees around my area had bloomed for the summer and the leeves moving in the wind where disrupting my signal.
I know its hard not to laugh but thats the BS answer i got, gobsmacked i was with the answer. so they took it away......