Thanks, L.B. I wondered why they did that. HyGain triband antennas
use traps resonant way below each band and it never made sense to me before.
Very interesting. de KL7HF
At 11:52 AM 8/11/97 -0400, you wrote:
>O
>The selection of a frequency below the higher band limit is for a reason:
>to equalize the gains of the antennas. Selecting a frequency for the
>trap within or at the low end of the upper band results in unequal gains,
>while going too low below the upper band also makes the gains unequal.
>something in the 90-95 percent of the lower end of the upper band tends to
>yield performance on both bands as listed.
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