[time-nuts] Lucent 40 dB Antenna

Pete Lancashire pete at petelancashire.com
Wed Apr 11 14:07:05 UTC 2012


The one I got there was a pretty good size "hit" where the two sections go
together. Otherwise I would not have. Before putting it together I did what
I use to do with optics. 24 hours in a desicant jar then filled with dry
nitrogen. All thanks to a friend who has access to such.
On Apr 11, 2012 6:05 AM, "paul swed" <paulswedb at gmail.com> wrote:

> Unless there is a real reason to open it don't. Weather seals can be a
> devil to get sealed again. If it isn't seal moisture seeps in overtime and
> destroys the unit.
> Regards
> Paul.
>
> On Wed, Apr 11, 2012 at 1:57 AM, Chris Albertson
> <albertson.chris at gmail.com>wrote:
>
> > On Tue, Apr 10, 2012 at 10:02 PM, Charles P. Steinmetz
> > <charles_steinmetz at lavabit.com> wrote:
> >
> > > ... Deployed in the same location,
> > > they all give very similar signal reports from the Tbolt and track the
> > same
> > > number of satellites (remember, the Tbolt reports the carrier/noise
> > ratio,
> > > not raw signal strength, and c/n is closely correlated with the signal
> > > environment at the antenna location unless an antenna has way too
> little
> > > gain or a very noisy preamp).  This suggests that they all have
> > sufficient
> > > gain and low enough noise to work properly with a Tbolt.
> >
> > That is what I think too.   That location matters so much more than
> > any other factor.  Even a few feet difference matters.   I see a
> > difference between laying the antenna on the roof and placing it three
> > feet above the roof on a pole.
> >
> > Where are you placing your antenna?  I'm curious because you say the
> > choke ring helps.  Is it close to the ground, near a building?  What
> > might be the cause of the muiltipath that the choke ring is helping
> > with
> > Chris Albertson
> > Redondo Beach, California
> >
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