[amsat-bb] Re: Premap overload

[jonny 290]

I'm assuming these commercial services are around 460 MHz - what about a 
stub filter? a high quality open stub tuned to whatever transmissions 
are ailing you may do the trick.

PAR electronics is also famous for excellent filtering products.


Andrew Rich wrote:
> I think I went a little overboard.
>
> I replaced my coax with heliax and fitted a pre-amp to the base of my
> antenna.
>
> Now all I get is break through from commercial services.
>
> Oh well.
>
> I went from RG213 to LDF4-50. And I can now access a repeater 150 km's away
> I could not before.
>
> Have to bay antennas and back of the pre-amp I think.
>
> Cheers
>
>
>
> ----------------------------------------------------------------------------
> Andrew Rich VK4TEC
> vk4tec at people.net.au
> http://www.tech-software.net
>
>
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