On Wed, 07 May 2003 19:55:55 +0000, you wrote:
>>A 160 meter mobile antenna is going to have a very narrow bandwidth so
>>it may not be effective for BCB unless you are able to tune it
>>somehow. 2:1 SWR bandwidth typically will be on the order of 20-30
>>kHz.
>
>That's being very optimistic for such a short antenna. My 110' high 80m
>(135' in length) dipole with open wire tuned feeders, using a balanced
>link-coupled tuner wih split-stator cap, parallel fed, is more like +/- 8
>kHz. I would expect an efficient 160m. mobile installation to be
>essentially a single-channel affair.
Perhaps that is optimistic. I'm going from memory of several years
ago. It depends greatly on the Q you achieve with the loading coil.
The point is, don't expect much in the way of bandwidth.
--
Bill, W7TI
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