Re: [time-nuts] Missing GPS satellites

2010-03-26 Thread J. Forster
For sure. There was a surplus store in Santa Maria that got bits of space
qualified stuff from Vandenberg AFB, and, of course, C&H in Pasadena. I
got a bunch of things from both, including a number os qual'd spacecraft
transmitters and sensors and some Apollo and Saturn items.  Kewl stuff!

-John

=



> Things like that DO show up as surplus but I wouldn't call it a market.
> When we excess things at JPL (and that includes spare flight hardware),
> it goes on a list, and other NASA centers, and then gov't agencies, and
> then universities/colleges/educational institutions get a crack at it.
> Finally, it will get scrapped.



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Re: [time-nuts] Missing GPS satellites

2010-03-26 Thread jimlux

Jeffrey Pawlan wrote:

On Thu, 25 Mar 2010, Magnus Danielson wrote:


Dear Raj,
Oh, sorry, needed a few extra. Wanted to recover the rubidiums and put
some on Ebay.





I gave a lecture about antennas for operation on 1296MHz last week and 
mentioned that my vacuum tube power abplifier was damaged by a gassy 
tube. I want to replace it with a solid state amp.  One of the engineers 
present suggested that I find a GPS satellite on the surplus market and 
pull the the power amplifier out of it.


He obviously did not know that satellites , even spares, do not show up 
on the surplus market.




Things like that DO show up as surplus but I wouldn't call it a market. 
When we excess things at JPL (and that includes spare flight hardware), 
it goes on a list, and other NASA centers, and then gov't agencies, and 
then universities/colleges/educational institutions get a crack at it. 
Finally, it will get scrapped.


There is also the ITAR and export controls issue.  (an interesting 
question I'll have to ask... if you have a rad hard widget for a 
spacecraft (clearly ITAR), and you surplus it in a way that makes it 
impossible to know it's Class S, is it still controlled..)


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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Steve Rooke
I'm at 43S, 172E and the minimum number of birds I'm seeing in the
middle of the days is 4 with a maximum of 12 each night. No sign of a
let up here, guano all over the place :)

Steve Rooke

On 26/03/2010, Raj  wrote:
> Rob, I am 13N 77E approx.
>
> Bob, I checked everytime and no birds. I setup two GPSDOs with seperate
> antennas and both went to hold over.
>
> Its been happening ever day at some times. Even I get the error on this page
> http://www.n2yo.com/whats-up/?c=20
>
> Lady heather says the doppler is high or something and satellites not
> usable. Sometimes there are 3 sats overhead and none usable!
>
> At 26-03-10, you wrote:
>>What's your latitude Raj?
>>
>>Rob K
>>
>>-Original Message-
>>From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
>>Behalf Of Bob Camp
>>Sent: 25 March 2010 11:15 PM
>>To: Discussion of precise time and frequency measurement
>>Subject: Re: [time-nuts] Missing GPS satellites
>>
>>Hi
>>
>>I still think it's a bird on the antenna.
>>
>>Bob
>>
>>On Mar 25, 2010, at 7:11 PM, Magnus Danielson wrote:
>>
>>> J. Forster wrote:
>>>> From an unnamed, but VERY credible source:
>>>>
>>>> "> It might be that the DoD is turning the civilian signals off in
>>>> combat
>>>>
>>>>> areas to deny GPS to the Taliban and others.
>>>>>
>>>>
>>>> Quite possible.  This countermeasure was discussed more than ten years
>>>> ago.
>>>>
>>>> It is possible to turn of the civilian signals -- or to leave then on
>>>> but _jam_ them within a selected area -- without interfering with US
>>>> military use of the satellites.  A modern military does not need the C/
>>>> A code to acquire lock on a satellite.  It can acquire the encrypted P
>>>> code directly."
>>> The preferred method of controlling the access to GPS within a region is
>>> GPS jammers, and the full set of efforts being spent on strengthening
>>> the allied forces availability to signal is to ensure ability to survive
>>> from jamming signal, which includes removing need for C/A locking prior
>>> to Y-code lock with direct lock methods, transfer of time, solutions and
>>> ephemeris data, and eventually means to direct additional power towards
>>> the area and the improved M-code.
>>>
>>> Turning of the C/A code of a satellite will effect the 1/3 of the earth
>>> area that it sees, and for that to be effective in a certain area, you
>>> need to do that to 6-8 sats to turn it off, and that will significantly
>>> reduce the GPS availability for so large geographical areas that things
>>> they want to work will run closer to failure. So no, turning of C/A code
>>> is not what they want to do it. They can, but they want to avoid it.
>>>
>>> Cheers,
>>> Magnus
>>>
>>>
>
> --
> Raj, VU2ZAP
> Bangalore, India.
>
>
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-- 
Steve Rooke - ZL3TUV & G8KVD
A man with one clock knows what time it is;
A man with two clocks is never quite sure.

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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Raj
Thanks Mark, 

I was fiddling around with 2D/3D when I saw that error message.

I experimented in comparing two GPSDOs, one with full sky and one with limited 
visibility. All settings kept identical. 

There was very slow phase difference noted within a narrow range. The exception 
was when there were not enough sats then I saw sudden fast changes.


>That is DOP is too high...  dilution of precision...   the sats are in a poor 
>position for doing fixes.   You have probably put the receiver into a 2D or 3D 
>fix mode (not overdetermined clock mode).  From the S)urvey menu,  select 
>receiver mode 5.   
>_
>Hotmail: Trusted email with Microsoft’s powerful SPAM protection.
>http://clk.atdmt.com/GBL/go/210850552/direct/01/
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-- 
Raj, VU2ZAP
Bangalore, India. 


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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Raj
Rob, I am 13N 77E approx.

Bob, I checked everytime and no birds. I setup two GPSDOs with seperate 
antennas and both went to hold over.

Its been happening ever day at some times. Even I get the error on this page
http://www.n2yo.com/whats-up/?c=20

Lady heather says the doppler is high or something and satellites not usable. 
Sometimes there are 3 sats overhead and none usable!

At 26-03-10, you wrote:
>What's your latitude Raj?
>
>Rob K
>
>-Original Message-
>From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
>Behalf Of Bob Camp
>Sent: 25 March 2010 11:15 PM
>To: Discussion of precise time and frequency measurement
>Subject: Re: [time-nuts] Missing GPS satellites
>
>Hi
>
>I still think it's a bird on the antenna.
>
>Bob
>
>On Mar 25, 2010, at 7:11 PM, Magnus Danielson wrote:
>
>> J. Forster wrote:
>>> From an unnamed, but VERY credible source:
>>> 
>>> "> It might be that the DoD is turning the civilian signals off in combat
>>>  
>>>> areas to deny GPS to the Taliban and others.
>>>>
>>> 
>>> Quite possible.  This countermeasure was discussed more than ten years
>>> ago.
>>> 
>>> It is possible to turn of the civilian signals -- or to leave then on
>>> but _jam_ them within a selected area -- without interfering with US
>>> military use of the satellites.  A modern military does not need the C/
>>> A code to acquire lock on a satellite.  It can acquire the encrypted P
>>> code directly."
>> The preferred method of controlling the access to GPS within a region is
>> GPS jammers, and the full set of efforts being spent on strengthening
>> the allied forces availability to signal is to ensure ability to survive
>> from jamming signal, which includes removing need for C/A locking prior
>> to Y-code lock with direct lock methods, transfer of time, solutions and
>> ephemeris data, and eventually means to direct additional power towards
>> the area and the improved M-code.
>> 
>> Turning of the C/A code of a satellite will effect the 1/3 of the earth
>> area that it sees, and for that to be effective in a certain area, you
>> need to do that to 6-8 sats to turn it off, and that will significantly
>> reduce the GPS availability for so large geographical areas that things
>> they want to work will run closer to failure. So no, turning of C/A code
>> is not what they want to do it. They can, but they want to avoid it.
>> 
>> Cheers,
>> Magnus
>> 
>> 

-- 
Raj, VU2ZAP
Bangalore, India. 


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Re: [time-nuts] Missing GPS satellites (Mike Feher)

2010-03-25 Thread lstoskopf
 Just went to a farm meeting on GPS farm machinery control.  At least one 
equipment mfgr commented that they use GPS but have Glosnoss ability for the 
times that GPS is limited here in the states.  N0UU

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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Mike Feher
I do not think so. If that were the case then the satellite terminals would
be considered as classified and handling would be a lot different.
Certainly, these terminals are compatible with SAASM, but of course they are
not in use. Most use simple Trimble, Brandywine, Motorola receiver boards,
even boards from our own Said Jackson of Jackson Labs, and we have about a
thousand of these in theater. Regards - Mike

Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ 07731
732-886-5960

-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of J. Forster
Sent: Thursday, March 25, 2010 6:27 PM
To: 'Discussion of precise time and frequency measurement'
Subject: Re: [time-nuts] Missing GPS satellites

>From an unnamed, but VERY credible source:

"> It might be that the DoD is turning the civilian signals off in combat
> areas to deny GPS to the Taliban and others.

Quite possible.  This countermeasure was discussed more than ten years
ago.

It is possible to turn of the civilian signals -- or to leave then on
but _jam_ them within a selected area -- without interfering with US
military use of the satellites.  A modern military does not need the C/
A code to acquire lock on a satellite.  It can acquire the encrypted P
code directly."

-John

=



> I do not believe that is the case as the terminals I work on, used mostly
> by
> the Army & the Marines, use relatively cheap GPSs in them and we have them
> all over, Iraq, Afghanistan, Kuwait, etc.. 73 - Mike
>
> Mike B. Feher, N4FS
> 89 Arnold Blvd.
> Howell, NJ 07731
> 732-886-5960
>
>
>
> -Original Message-
> From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
> Behalf Of J. Forster
> Sent: Thursday, March 25, 2010 12:37 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Missing GPS satellites
>
> It might be that the DoD is turning the civilian signals off in combat
> areas to deny GPS to the Taliban and others.
>
> -John
>
> ==
>
>
>>
>> Ahem!, time-nuts. Please release all GPS satellites you are holding up
>> on
>> the other side of the world. I don't seem to have any over my head over
>> Asia.
>>
>> I wonder what happens to those guided missiles that depend of GPS or
>> those
>> in vehicles looking for directions ?
>>
>> Cheers
>>
>> --
>> Raj, VU2ZAP
>> Bangalore, India.
>>
>>
>> ___
>> time-nuts mailing list -- time-nuts@febo.com
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>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>> and follow the instructions there.
>>
>>
>
>
>
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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Rob Kimberley
What's your latitude Raj?

Rob K

-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Bob Camp
Sent: 25 March 2010 11:15 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Missing GPS satellites

Hi

I still think it's a bird on the antenna.

Bob

On Mar 25, 2010, at 7:11 PM, Magnus Danielson wrote:

> J. Forster wrote:
>> From an unnamed, but VERY credible source:
>> 
>> "> It might be that the DoD is turning the civilian signals off in combat
>>  
>>> areas to deny GPS to the Taliban and others.
>>>
>> 
>> Quite possible.  This countermeasure was discussed more than ten years
>> ago.
>> 
>> It is possible to turn of the civilian signals -- or to leave then on
>> but _jam_ them within a selected area -- without interfering with US
>> military use of the satellites.  A modern military does not need the C/
>> A code to acquire lock on a satellite.  It can acquire the encrypted P
>> code directly."
> The preferred method of controlling the access to GPS within a region is
> GPS jammers, and the full set of efforts being spent on strengthening
> the allied forces availability to signal is to ensure ability to survive
> from jamming signal, which includes removing need for C/A locking prior
> to Y-code lock with direct lock methods, transfer of time, solutions and
> ephemeris data, and eventually means to direct additional power towards
> the area and the improved M-code.
> 
> Turning of the C/A code of a satellite will effect the 1/3 of the earth
> area that it sees, and for that to be effective in a certain area, you
> need to do that to 6-8 sats to turn it off, and that will significantly
> reduce the GPS availability for so large geographical areas that things
> they want to work will run closer to failure. So no, turning of C/A code
> is not what they want to do it. They can, but they want to avoid it.
> 
> Cheers,
> Magnus
> 
> 
> ___
> time-nuts mailing list -- time-nuts@febo.com
> To unsubscribe, go to
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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Bob Camp
Hi

I still think it's a bird on the antenna.

Bob

On Mar 25, 2010, at 7:11 PM, Magnus Danielson wrote:

> J. Forster wrote:
>> From an unnamed, but VERY credible source:
>> 
>> "> It might be that the DoD is turning the civilian signals off in combat
>>  
>>> areas to deny GPS to the Taliban and others.
>>>
>> 
>> Quite possible.  This countermeasure was discussed more than ten years
>> ago.
>> 
>> It is possible to turn of the civilian signals -- or to leave then on
>> but _jam_ them within a selected area -- without interfering with US
>> military use of the satellites.  A modern military does not need the C/
>> A code to acquire lock on a satellite.  It can acquire the encrypted P
>> code directly."
> The preferred method of controlling the access to GPS within a region is
> GPS jammers, and the full set of efforts being spent on strengthening
> the allied forces availability to signal is to ensure ability to survive
> from jamming signal, which includes removing need for C/A locking prior
> to Y-code lock with direct lock methods, transfer of time, solutions and
> ephemeris data, and eventually means to direct additional power towards
> the area and the improved M-code.
> 
> Turning of the C/A code of a satellite will effect the 1/3 of the earth
> area that it sees, and for that to be effective in a certain area, you
> need to do that to 6-8 sats to turn it off, and that will significantly
> reduce the GPS availability for so large geographical areas that things
> they want to work will run closer to failure. So no, turning of C/A code
> is not what they want to do it. They can, but they want to avoid it.
> 
> Cheers,
> Magnus
> 
> 
> ___
> time-nuts mailing list -- time-nuts@febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
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> 


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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Magnus Danielson

J. Forster wrote:

From an unnamed, but VERY credible source:

"> It might be that the DoD is turning the civilian signals off in combat
  

areas to deny GPS to the Taliban and others.



Quite possible.  This countermeasure was discussed more than ten years
ago.

It is possible to turn of the civilian signals -- or to leave then on
but _jam_ them within a selected area -- without interfering with US
military use of the satellites.  A modern military does not need the C/
A code to acquire lock on a satellite.  It can acquire the encrypted P
code directly."

The preferred method of controlling the access to GPS within a region is
GPS jammers, and the full set of efforts being spent on strengthening
the allied forces availability to signal is to ensure ability to survive
from jamming signal, which includes removing need for C/A locking prior
to Y-code lock with direct lock methods, transfer of time, solutions and
ephemeris data, and eventually means to direct additional power towards
the area and the improved M-code.

Turning of the C/A code of a satellite will effect the 1/3 of the earth
area that it sees, and for that to be effective in a certain area, you
need to do that to 6-8 sats to turn it off, and that will significantly
reduce the GPS availability for so large geographical areas that things
they want to work will run closer to failure. So no, turning of C/A code
is not what they want to do it. They can, but they want to avoid it.

Cheers,
Magnus


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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread J. Forster
>From an unnamed, but VERY credible source:

"> It might be that the DoD is turning the civilian signals off in combat
> areas to deny GPS to the Taliban and others.

Quite possible.  This countermeasure was discussed more than ten years
ago.

It is possible to turn of the civilian signals -- or to leave then on
but _jam_ them within a selected area -- without interfering with US
military use of the satellites.  A modern military does not need the C/
A code to acquire lock on a satellite.  It can acquire the encrypted P
code directly."

-John

=



> I do not believe that is the case as the terminals I work on, used mostly
> by
> the Army & the Marines, use relatively cheap GPSs in them and we have them
> all over, Iraq, Afghanistan, Kuwait, etc.. 73 - Mike
>
> Mike B. Feher, N4FS
> 89 Arnold Blvd.
> Howell, NJ 07731
> 732-886-5960
>
>
>
> -Original Message-
> From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
> Behalf Of J. Forster
> Sent: Thursday, March 25, 2010 12:37 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Missing GPS satellites
>
> It might be that the DoD is turning the civilian signals off in combat
> areas to deny GPS to the Taliban and others.
>
> -John
>
> ==
>
>
>>
>> Ahem!, time-nuts. Please release all GPS satellites you are holding up
>> on
>> the other side of the world. I don't seem to have any over my head over
>> Asia.
>>
>> I wonder what happens to those guided missiles that depend of GPS or
>> those
>> in vehicles looking for directions ?
>>
>> Cheers
>>
>> --
>> Raj, VU2ZAP
>> Bangalore, India.
>>
>>
>> ___
>> time-nuts mailing list -- time-nuts@febo.com
>> To unsubscribe, go to
>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>> and follow the instructions there.
>>
>>
>
>
>
> ___
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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Stanley Reynolds
Link to new story:

http://www.cbsnews.com/8301-503543_162-20001083-503543.html

http://online.wsj.com/article/SB20001424052748704117304575137541465235972.html

Stanley

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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Mike Feher
I do not believe that is the case as the terminals I work on, used mostly by
the Army & the Marines, use relatively cheap GPSs in them and we have them
all over, Iraq, Afghanistan, Kuwait, etc.. 73 - Mike

Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ 07731
732-886-5960 



-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of J. Forster
Sent: Thursday, March 25, 2010 12:37 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Missing GPS satellites

It might be that the DoD is turning the civilian signals off in combat
areas to deny GPS to the Taliban and others.

-John

==


>
> Ahem!, time-nuts. Please release all GPS satellites you are holding up on
> the other side of the world. I don't seem to have any over my head over
> Asia.
>
> I wonder what happens to those guided missiles that depend of GPS or those
> in vehicles looking for directions ?
>
> Cheers
>
> --
> Raj, VU2ZAP
> Bangalore, India.
>
>
> ___
> time-nuts mailing list -- time-nuts@febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
>



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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Jeffrey Pawlan

On Thu, 25 Mar 2010, Magnus Danielson wrote:


Dear Raj,
Oh, sorry, needed a few extra. Wanted to recover the rubidiums and put
some on Ebay.





I gave a lecture about antennas for operation on 1296MHz last week and 
mentioned that my vacuum tube power abplifier was damaged by a gassy tube. 
I want to replace it with a solid state amp.  One of the engineers present 
suggested that I find a GPS satellite on the surplus market and pull the 
the power amplifier out of it.


He obviously did not know that satellites , even spares, do not show up on 
the surplus market.



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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Stanley Reynolds
News story a few days back that in parts of Afghanistan wireless which has 99% 
vs 1% wired phones would go out every nite, on orders of the Taleban, to 
prevent civilians from reporting activity to Coalition forces. Think the 
wireless networks would last a little longer than a few hours without timing 
info but you never know , does your cell phone still work?

Stanley


- Original Message 
From: paul swed 
To: j...@quik.com; Discussion of precise time and frequency measurement 

Sent: Thu, March 25, 2010 12:17:10 PM
Subject: Re: [time-nuts] Missing GPS satellites

They wouldn't really do that would they? ;-)

On Thu, Mar 25, 2010 at 12:36 PM, J. Forster  wrote:

> It might be that the DoD is turning the civilian signals off in combat
> areas to deny GPS to the Taliban and others.
>
> -John
>
> ==
>
>
> >
> > Ahem!, time-nuts. Please release all GPS satellites you are holding up on
> > the other side of the world. I don't seem to have any over my head over
> > Asia.
> >
> > I wonder what happens to those guided missiles that depend of GPS or
> those
> > in vehicles looking for directions ?
> >
> > Cheers
> >
> > --
> > Raj, VU2ZAP
> > Bangalore, India.
> >
> >
> > ___
> > time-nuts mailing list -- time-nuts@febo.com
> > To unsubscribe, go to
> > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> > and follow the instructions there.
> >
> >
>
>
>
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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Magnus Danielson

Dear Raj,

Raj wrote:

Ahem!, time-nuts. Please release all GPS satellites you are holding up on the 
other side of the world. I don't seem to have any over my head over Asia.

I wonder what happens to those guided missiles that depend of GPS or those in 
vehicles looking for directions ?

Oh, sorry, needed a few extra. Wanted to recover the rubidiums and put
some on Ebay.

Cheers,
Magnus


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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread paul swed
They wouldn't really do that would they? ;-)

On Thu, Mar 25, 2010 at 12:36 PM, J. Forster  wrote:

> It might be that the DoD is turning the civilian signals off in combat
> areas to deny GPS to the Taliban and others.
>
> -John
>
> ==
>
>
> >
> > Ahem!, time-nuts. Please release all GPS satellites you are holding up on
> > the other side of the world. I don't seem to have any over my head over
> > Asia.
> >
> > I wonder what happens to those guided missiles that depend of GPS or
> those
> > in vehicles looking for directions ?
> >
> > Cheers
> >
> > --
> > Raj, VU2ZAP
> > Bangalore, India.
> >
> >
> > ___
> > time-nuts mailing list -- time-nuts@febo.com
> > To unsubscribe, go to
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> > and follow the instructions there.
> >
> >
>
>
>
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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread Bob Camp
Hi

Is there a very large bird making a nest on top of your antenna?

I *have* had that problem my self.

Bob

-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Raj
Sent: Thursday, March 25, 2010 8:04 AM
To: Time Nuts
Subject: [time-nuts] Missing GPS satellites


Ahem!, time-nuts. Please release all GPS satellites you are holding up on
the other side of the world. I don't seem to have any over my head over
Asia.

I wonder what happens to those guided missiles that depend of GPS or those
in vehicles looking for directions ?

Cheers

-- 
Raj, VU2ZAP
Bangalore, India. 


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Re: [time-nuts] Missing GPS satellites

2010-03-25 Thread J. Forster
It might be that the DoD is turning the civilian signals off in combat
areas to deny GPS to the Taliban and others.

-John

==


>
> Ahem!, time-nuts. Please release all GPS satellites you are holding up on
> the other side of the world. I don't seem to have any over my head over
> Asia.
>
> I wonder what happens to those guided missiles that depend of GPS or those
> in vehicles looking for directions ?
>
> Cheers
>
> --
> Raj, VU2ZAP
> Bangalore, India.
>
>
> ___
> time-nuts mailing list -- time-nuts@febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>
>



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