Hello Simon
Several exist for amateur and commercial purposes.
The more important factor is that the antenna is almost resonant at the
chosen frequencies.
David
I think you wrote below <071601c16d51$56124120$e696989e@default>,
Goshawk <[log in to unmask]> writes
>does anyone know if there are any hf linniers available that do not need to
>bee tuned and loded before using them? and if so where can I get them from?
>as I am blind I don't think I could use tune and lode ones. they should
>preferably bee 240 volt and the more they can push out the better. I would
>bee using them with a kenwood ts440s radio and have had no problems with TVI
>so far. any info would bee very helpful. if you prefer to mail me off list
>the e-mail is,
>[log in to unmask]
>thanks in advance for any help on this.
>
>Simon
>
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>
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David W Wood