On 30/09/11 18:06, Chris Albertson wrote:
One sure-fire fix to the problem is to open up the military frequencies
to everyone.GPS broadcasts on more than just the common L1 freq.
but also on 1.2Ghz.
Again, not really pratical because of the huge cost of conversion
L2C is already being
Hi Jim,
On 01/10/11 16:46, Jim Lux wrote:
On 10/1/11 1:38 AM, Magnus Danielson wrote:
On 30/09/11 18:06, Chris Albertson wrote:
One sure-fire fix to the problem is to open up the military
frequencies
to everyone. GPS broadcasts on more than just the common L1 freq.
but also on 1.2Ghz.
Again,
Please don't start a political discussion, I just have a SIMPLE TECHNICAL
QUESTION that I'm hoping someone can answer (and I don't
think it was discussed in the past).
In all the stuff I've glanced over about L2, they talk about better filtering
for GPS modules to eliminate the interference
On 9/30/11 6:44 AM, Jason Rabel wrote:
Please don't start a political discussion, I just have a SIMPLE TECHNICAL
QUESTION that I'm hoping someone can answer (and I don't
think it was discussed in the past).
In all the stuff I've glanced over about L2, they talk about better filtering
for GPS
At 15:44 30-09-11, Jason wrote:
To filter out the L2 signal, would an actual GPS receiver have to be
replaced / modified?
Or would a more simple and cheaper alternative be to get a new
antenna (with fancy filtering) to replace my existing roof-top
antenna and expect all my old equipment to
Right. The fixed location apps are not all that hard. But the mobile
ones are going to be a big problem.
Not to mention getting them certified for the application. The GPS you
have in your car is not certified for life critical applications. The
one I have in my ambulance is. And let's not even
If LightSquared deploys their high powered LTE network in the satellite band
the GPS world will become very interesting indeed. Are LightSquared willing
to spend $20,000 to upgrade the GPS on my Skylane to a new model which
does not yet exist?
With that many transmitters we may experience areas
To: Discussion of precise time and frequency measurementtime-nuts@febo.com
Reply-To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Subject: Re: [time-nuts] GPS Interference Question
If LightSquared deploys their high powered LTE network in the satellite band
the GPS
WA7KGX N2469R
Sent: Friday, September 30, 2011 10:55 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] GPS Interference Question
If LightSquared deploys their high powered LTE network in the satellite
band
the GPS world will become very interesting indeed
Tipp City, OH
EM79
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Chuck Forsberg WA7KGX N2469R
Sent: Friday, September 30, 2011 10:55 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] GPS
On Fri, Sep 30, 2011 at 6:44 AM, Jason Rabel
ja...@extremeoverclocking.com wrote:
Please don't start a political discussion, I just have a SIMPLE TECHNICAL
QUESTION that I'm hoping someone can answer (and I don't
think it was discussed in the past).
In all the stuff I've glanced over about
-nuts-boun...@febo.com] On
Behalf Of Chuck Forsberg WA7KGX N2469R
Sent: Friday, September 30, 2011 10:55 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] GPS Interference Question
If LightSquared deploys their high powered LTE network in the satellite
band
--
From: Bob Bownes bow...@gmail.com
Sent: Friday, September 30, 2011 11:11 AM
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Subject: Re: [time-nuts] GPS Interference Question
Exactly. The narrower the filter, the more it will cost. In general.
On Fri
-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Chuck Forsberg WA7KGX N2469R
Sent: Friday, September 30, 2011 11:20 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] GPS Interference Question
A wider filter with steep skirts tends
One sure-fire fix to the problem is to open up the military frequencies
to everyone.GPS broadcasts on more than just the common L1 freq.
but also on 1.2Ghz.
Again, not really pratical because of the huge cost of conversion
--
Chris Albertson
Redondo Beach, California
Hi Chris,
One sure-fire fix to the problem is to open up the military frequencies
to everyone.GPS broadcasts on more than just the common L1 freq.
but also on 1.2Ghz.
It is not military frequencies, it is military codes, the spread spectrum
sequence is encrypted.
There are different
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