RE: [amsat-bb] An V/U antenna for LEOs? Collinear's are not really Omni Directional

[Tony Langdon <tlangdon@xxxxxxxxxxxxxxxxxx>]

> I would think that a Collinear would make a fairly poor antenna for
> satellite work. 

Generally, this is the case.  However, you can get away with it on 2 metres,
due to the generally stronger signals.  

>You see a Collinear is NOT Omni  Directional. True in a terrestrial
>sense
>it is, but its "gain" comes from redirecting radiation that would be
>headed
>skyward towards the ground. Indeed, unless it is a steerable antenna,
>the
>term "gain"  in an Omni generally means "not for satellite use".

They do work very well, if the satellite is within a few degrees of the
horizon. :-)
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