Scoobs...
I'm sure you'll see the tower next time you take off from 22L, it's not massive but it's very white. Quite far ahead as well.
Not sure if the mast in Kent has a name. I don't normally register seeing it in flight (probably as I escape from under the 2500+ bit of LTMA to fly higher) but when driving on the M20 towards the Continent, the red light on top I see every time.
I wonder how steep the instrument approaches would have been if Stapleford had them - with the mast on one side and the pylons on the other.
/h88