Jim,
On 08/09/2014 07:02 PM, Jim Lux wrote:
On 8/9/14, 9:33 AM, Magnus Danielson wrote:
Jim,
On 08/09/2014 05:31 PM, Jim Lux wrote:
Clarifying my previous question..
There's no doubt that multipath exists, and how to test is fairly
straightforward, whether with multiple antennas, cables, or w
On 8/9/14, 9:33 AM, Magnus Danielson wrote:
Jim,
On 08/09/2014 05:31 PM, Jim Lux wrote:
Clarifying my previous question..
There's no doubt that multipath exists, and how to test is fairly
straightforward, whether with multiple antennas, cables, or waving
cookie sheets around..
Ultimately,
Don't forget that the polarity of the reflection will reverse. RCP > LCP.
and a >20 dB loss will occur.
Tom
- Original Message -
From: "Jim Lux"
To: "Discussion of precise time and frequency measurement"
Sent: Saturday, August 09, 2014 11:31 AM
Sub
Jim,
On 08/09/2014 05:31 PM, Jim Lux wrote:
Clarifying my previous question..
There's no doubt that multipath exists, and how to test is fairly
straightforward, whether with multiple antennas, cables, or waving
cookie sheets around..
What I was really asking is if anyone had observed this in th
Clarifying my previous question..
There's no doubt that multipath exists, and how to test is fairly
straightforward, whether with multiple antennas, cables, or waving
cookie sheets around..
What I was really asking is if anyone had observed this in the output of
their GPS receiver.
That is,
It is much more likely that the fade out is due to the changing satellite
geometry. Some of them come into view and other go out of view. If your
antenna site is not good there might be times where only a few are in view
or at low elevation. If there is multi path off a plane it would last
only
I live 20 miles south of San Francisco airport. It's common to see a 747
size plane flying low nearby as they head for the landing queue.
My GPS antennas/receivers are not located in great places. They fade out
occasionally. Some times are longer than others and such, but short dropouts
are