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Andy,
Just from those readings, I'd have to say the antenna seems to be
operating normally/correctly. Shaking things while doing that
continuity test is usually a fairly good idea, intermittents, although
shaking the antenna isn't going to be very easy, sort of.
Not making both connections at the antenna terminal, only the
center pin, and changing the antenna's characteristics is normal.
Sort of going from a "tuned"/resonant antenna to a random length wire
kind of thing. (Receivers just aren't as 'picky' as transmitters,
have different requirements. Not a very good way of putting it, but
you get the idea?)
Don't give up, I'm interested in what happens.
- 'Doc


I have used some conductive grease for the first time on the beam. I've
never used grease before, do you think this might be the problem?

The other thing is, that the beam is at apex roof height and mounted on the
back of the house. I have no where else to try it out to see if this is a
problem.
The centre fed dipole has the element that connects to the centre pin of the
PL259 at house end and I don't suffer any noise hiss on that like I do on
the beam and the Cobwebb is at the bottom of the garden away from the house
and that has a very quite receive on it.

Andy