On Tue, 16 Feb 2010 18:29:10 +
Graham Jones grahamjones...@googlemail.com wrote:
You are both right. RF absorption is a combination of amount of
material and its properties. I think the issue with trains is
limited to newer ones with special windows (I think they are
conductive - some
You are both right. RF absorption is a combination of amount of material
and its properties. I think the issue with trains is limited to newer ones
with special windows (I think they are conductive - some cars have them
too). The combination of shielding from the roof and windows makes it
Frequently you can't get a position fix at all, if the building has much metal
in its structure. I can't get a position fix from inside my house unless I am
near a south-facing window, probably due to a metallic-foil vapor barrier in
the attic.
--
John F. Eldredge -- j...@jfeldredge.com
John Smith wrote:
On 17 February 2010 01:40, John F. Eldredge j...@jfeldredge.com wrote:
Frequently you can't get a position fix at all, if the building has much
metal in its structure. I can't get a position fix from inside my house
unless I am near a south-facing window, probably due
On 16 Feb 2010, at 9:46 , Dave F. wrote:
John Smith wrote:
On 17 February 2010 01:40, John F. Eldredge j...@jfeldredge.com wrote:
Frequently you can't get a position fix at all, if the building has much
metal in its structure. I can't get a position fix from inside my house
unless I am
...@openstreetmap.org
[mailto:talk-boun...@openstreetmap.org] Namens Dave F.
Verzonden: dinsdag 16 februari 2010 18:46
Aan: John Smith
CC: OpenStreetMap talk mailing list
Onderwerp: Re: [OSM-talk] fwd: Two thirds of mobile users want driving
ANDwalking navigation
John Smith wrote:
On 17 February 2010 01:40
On Wed, 17 Feb 2010, Dave F. wrote:
It has little to do with the material it's made of, it's all about how
much mass an object has, the more mass the more it will absorb RF.
Is this correct?
I assumed the reason I had trouble getting reception on board trains
because of what their
Hello everyone,
On Mar 16 Feb 2010, ce-test, qualified testing bv - Gert Gremmen wrote:
No it ain't correct.
Satellite signals are blocked by conductive materials
such as metals, and to a limited extend by materials
containing humidity (= limited conductivity) such as leaves
and possibly
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