[aprssig] Dayton meltdown.

J. Lance Cotton joe at lightningflash.net
Mon May 23 11:02:54 EDT 2005

The biasing exists only to power the pre-amp in the receiving antenna. 
Otherwise, what is being described is two antennas with some coax between 
them. Which works fine for most applications. It's just that GPS relies on 
timing differentials, which this setup mangles.

-Lance KJ5O

Dixon, Tim wrote:
> Besides the fact that I agree with Bob on this, I'm having difficulty
> picturing in my mind exactly what it is that you are describing.  I
> understand there would be an active receive antenna on the roof of the
> building, and another antenna inside to retransmit a signal, but I'm
> under the impression that you're connecting two antennae to each other,
> and biasing one with 5 volts.  How does that retransmit a signal?  I'm
> not sure if I understand the concept well enough.
> Something like:
> ANT1 (outside) - |5volts| ------ ANT2 (inside)
> I don't get it.
> /tim
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J. Lance Cotton, KJ5O
joe at lightningflash.net
Three Step Plan: 1. Take over the world. 2. Get a lot of cookies. 3. Eat the 

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