Have a look at

http://www.johncath.force9.co.uk/omni%202mtr.htm

I have a so-called 'professional' Slim Jim obtained (I think) from
Sandpiper about 14 years ago and still going string. Although for 2m
primarily it is supposed to work from about 130-174MHz.


--
Woody

harrogate2 at ntlworld dot com