On 22 Feb 2007 20:15:22 -0800, "ve2cjw" wrote:

What would be the best combination to cover that frequency range in
receive only?

A different antenna every octave: 11 antennas.

Would a 100 feet dipole with a discone cover it?

No.

Any
other suggestions?

See above. You could reasonably expect to skip the first 4 antennas
to cover the lowest frequencies.

73's
Richard Clark, KB7QHC