On Mon, 06 Feb 2006 01:55:42 GMT, Bob wrote:

Some of the large, multi-section, multi-band ham antennas like the
RH77CA and AL-500H are much better than the stock duckie, but they were
really designed for a few specific ham radio frequencies.

Another possibility is a telescopic antenna - just adjust it for 1/4
wavelength on whatever frequency you need.