Cecil Moore wrote:
A properly functioning LP usually has only one set of
elements resonant at a time. For 70cm operation, three
sets of elements would be resonant, one set at 1/2WL,
one set at 3/2WL, and one set at 9/2WL.

The above should have said HF LP. Here is one "compact
hybrid" that is advertised to cover 30 MHz to 3 GHZ.
It only weighs 8 pounds.

http://www.tdkrfsolutions.com/WebDat...3CWebSheet.htm
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73, Cecil, w5dxp.com