Re: [time-nuts] Ublox 7

2014-05-25 Thread Paul
On Sun, May 25, 2014 at 1:26 AM, David J Taylor 
david-tay...@blueyonder.co.uk wrote:

 You can also get the u-blox 7 without the antenna - for example this
 pre-built unit for the Raspberry Pi, which has an SMA socket:



I suspect that even if the target system is a Raspberry PI the  critical
point is the $17 price (including shipping).
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Re: [time-nuts] Ublox 7

2014-05-25 Thread David J Taylor

From: Paul

I suspect that even if the target system is a Raspberry PI the  critical
point is the $17 price (including shipping).


For precise time  frequency, I am surprised that cost is the first 
consideration, unless you are buying more than a few units!  Especially if 
you weigh the effort required to remove the unwanted antenna.


Oh, well!

David
--
SatSignal Software - Quality software written to your requirements
Web: http://www.satsignal.eu
Email: david-tay...@blueyonder.co.uk 


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[time-nuts] Ublox 7

2014-05-24 Thread EWKehren
Having used lately ublox 6M for GPSDO work I decided to buy a couple of MAX 
 7C's on ebay for $ 16.00 181293242043
Super results.  We are going to do some saw tooth analysis but most  likely 
will not post them because the deterioration of the list has resulted in  
many on the real time nuts have gone away and do like we do every thing off  
list since this has deteriorated in to a chat room with the majority of the  
listings not time or frequency related. 
Serious time nuts can contact me off list and maybe be added to the group.  
We are doing some neat projects.
Bert Kehren
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Re: [time-nuts] Ublox 7

2014-05-24 Thread Dan Rae

On 5/24/2014 7:22 AM, ewkeh...@aol.com wrote:

Having used lately ublox 6M for GPSDO work I decided to buy a couple of MAX
  7C's on ebay for $ 16.00 181293242043
Super results.

Now listed as: 171339542977

Dan
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Re: [time-nuts] Ublox 7

2014-05-24 Thread Don Latham
Sorry to lose you, Bert.
Evidently a new exclusive group is just what you need.
Don

ewkeh...@aol.com
 Having used lately ublox 6M for GPSDO work I decided to buy a couple of MAX
  7C's on ebay for $ 16.00 181293242043
 Super results.  We are going to do some saw tooth analysis but most  likely
 will not post them because the deterioration of the list has resulted in
 many on the real time nuts have gone away and do like we do every thing off
 list since this has deteriorated in to a chat room with the majority of the
 listings not time or frequency related.
 Serious time nuts can contact me off list and maybe be added to the group.
 We are doing some neat projects.
 Bert Kehren
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-- 
The power of accurate observation is commonly called cynicism by those who
have not got it.
 -George Bernard Shaw

Dr. Don Latham AJ7LL
Six Mile Systems LLC
17850 Six Mile Road
Huson, MT, 59846
mail:  POBox 404
Frenchtown MT 59834-0404
VOX 406-626-4304
Skype: buffler2
www.lightningforensics.com
www.sixmilesystems.com


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Re: [time-nuts] Ublox 7

2014-05-24 Thread EWKehren
Don
I will continue to be part of the list but am frustrated with the loss of  
some of the best we used to have and I do not consider my self one of them, 
but  I learned immensely from then. I am not the only one with that opinion 
looking  at the number of responses I am getting. 
I do not know how long you have been on the list but it used to be  
different and better.
Bert Kehren
.
 
 
In a message dated 5/24/2014 12:33:47 P.M. Eastern Daylight Time,  
d...@montana.com writes:

Sorry to  lose you, Bert.
Evidently a new exclusive group is just what you  need.
Don

ewkeh...@aol.com
 Having used lately ublox 6M for  GPSDO work I decided to buy a couple of 
MAX
  7C's on ebay for $  16.00 181293242043
 Super results.  We are  going to do some saw tooth analysis but most  
likely
 will not  post them because the deterioration of the list has resulted in
 many  on the real time nuts have gone away and do like we do every thing 
off
  list since this has deteriorated in to a chat room with the majority of  
the
 listings not time or frequency related.
 Serious time nuts  can contact me off list and maybe be added to the 
group.
 We are doing  some neat projects.
 Bert Kehren
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-- 
The power of accurate  observation is commonly called cynicism by those who
have not got  it.
-George Bernard Shaw

Dr. Don Latham AJ7LL
Six Mile Systems  LLC
17850 Six Mile Road
Huson, MT, 59846
mail:  POBox  404
Frenchtown MT 59834-0404
VOX 406-626-4304
Skype:  buffler2
www.lightningforensics.com
www.sixmilesystems.com


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Re: [time-nuts] Ublox 7

2014-05-24 Thread Hans Holzach

bert,

and how, please, are us newbies and dabblers supposed to learn from you, 
the elite time-nuts, when you keep your discoveries secret, only 
accessible to a group of hand-picked individuals? of course, this is a 
free world, and you, like everybody, is free to share or not to share 
your knowledge. however, this is my place to learn, and you don't do me 
a favour by saying goodbye to the group. why not share your knowledge 
here, ignore the silly questions of the not so bright, but give them the 
opportunity to follow your discussions with the ones that are on a par 
with you? that i'd appreciate very much!


hans

   ...because the deterioration of the list has resulted in many on
   the real time nuts have gone away and do like we do every thing off
   list since this has deteriorated in to a chat room with the majority
   of the listings not time or frequency related. Serious time nuts can
   contact me off list and maybe be added to the group.

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Re: [time-nuts] Ublox 7

2014-05-24 Thread Poul-Henning Kamp
In message 41ebc.73c6c61.40b25...@aol.com, ewkeh...@aol.com writes:

Hans
we are not elite most of those have long gone if you look back four  years 
ore more [...]

If you are talking about people like me, the reason for my current
lack of activity is that I'm not doing much time-nuttery right
now, for a number of reasons which have absolutely nothing to do
with the S/N of time-nuts.

Poul-Henning

PS: I actually completed a bit of very interesting time-nuttery last
year which I guess I should have reported here:  A prototype
computing cluster for the adaptive optics of mirror 3 and 4 in
the ESO ELT telescope:

https://www.eso.org/sci/meetings/2012/RTCWorkshop/4_1-kamp.pdf

-- 
Poul-Henning Kamp   | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer   | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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Re: [time-nuts] Ublox 7

2014-05-24 Thread Magnus Danielson

Hi,

On 05/24/2014 10:38 PM, Poul-Henning Kamp wrote:

In message 41ebc.73c6c61.40b25...@aol.com, ewkeh...@aol.com writes:


Hans
we are not elite most of those have long gone if you look back four  years
ore more [...]


If you are talking about people like me, the reason for my current
lack of activity is that I'm not doing much time-nuttery right
now, for a number of reasons which have absolutely nothing to do
with the S/N of time-nuts.

Poul-Henning

PS: I actually completed a bit of very interesting time-nuttery last
year which I guess I should have reported here:  A prototype
computing cluster for the adaptive optics of mirror 3 and 4 in
the ESO ELT telescope:

https://www.eso.org/sci/meetings/2012/RTCWorkshop/4_1-kamp.pdf



Poul-Henning reporting on some cool stuff as always.

My lack of contribution has to do with other things as well, including 
topics I can contribute on.


Meanwhile I'm hacking away on one of several time-nut related projects I 
wish will mature to the level that I have something to report to the 
list about.


But yes, I can understand Bert's frustration.

Cheers,
Magnus
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Re: [time-nuts] Ublox 7

2014-05-24 Thread Scott Burris
While I agree the noise has risen quite a bit, as a mostly lurker here, I've 
learned quite a bit just watching the conversations.  Indeed when Dr. Bruce 
posts I'm invariably driven into days of additional study to ponder his 
responses :-)

Maybe someone could throw up a web page with the Ublox 7 findings if you don't 
want to discuss on this list?  I have a selfish self interest as I too have a 
couple of 7's on the way to the US from China!

Scott

 On May 24, 2014, at 10:07 AM, Hans Holzach hans.holz...@gmail.com wrote:
 
 bert,
 
 and how, please, are us newbies and dabblers supposed to learn from you, the 
 elite time-nuts, when you keep your discoveries secret, only accessible to a 
 group of hand-picked individuals? of course, this is a free world, and you, 
 like everybody, is free to share or not to share your knowledge. however, 
 this is my place to learn, and you don't do me a favour by saying goodbye to 
 the group. why not share your knowledge here, ignore the silly questions of 
 the not so bright, but give them the opportunity to follow your discussions 
 with the ones that are on a par with you? that i'd appreciate very much!
 
 hans
 
   ...because the deterioration of the list has resulted in many on
   the real time nuts have gone away and do like we do every thing off
   list since this has deteriorated in to a chat room with the majority
   of the listings not time or frequency related. Serious time nuts can
   contact me off list and maybe be added to the group.
 
 ___
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Re: [time-nuts] Ublox 7

2014-05-24 Thread EWKehren
There have been a couple of questions on and off list. as to the specific  
listing. I did forget to mention one thing. The unit comes with a built in  
antenna.  For time application not exactly what we want Not easy to take  
off since it is a block of ceramic with a pin through the center with little  
tolerance. Un soldering will not do doe to the heat sink created by the  
ceramic. Best way is to put the ceramic in a vice on its side excerpt a lot of  
pressure and it will brake or use a center punch or small hammer while it 
is  under pressure. It will shatter. next remove the pieces with a knife 
since there  is some glue. Now you are left with a pin. If you want to use the 
hole find a  way to hold the board, heat the pin with a soldering iron and 
wiggle it  out.  Did it with two units no problem.
Bert Kehren
 
 
 
In a message dated 5/24/2014 5:57:04 P.M. Eastern Daylight Time,  
slbur...@gmail.com writes:

While I agree  the noise has risen quite a bit, as a mostly lurker here, 
I've learned quite a  bit just watching the conversations.  Indeed when Dr. 
Bruce posts I'm  invariably driven into days of additional study to ponder his 
responses  :-)

Maybe someone could throw up a web page with the Ublox 7 findings  if you 
don't want to discuss on this list?  I have a selfish self  interest as I too 
have a couple of 7's on the way to the US from  China!

Scott

 On May 24, 2014, at 10:07 AM, Hans Holzach  hans.holz...@gmail.com 
wrote:
 
 bert,
 
  and how, please, are us newbies and dabblers supposed to learn from you, 
the  elite time-nuts, when you keep your discoveries secret, only 
accessible to a  group of hand-picked individuals? of course, this is a free 
world, 
and you,  like everybody, is free to share or not to share your knowledge. 
however, this  is my place to learn, and you don't do me a favour by saying 
goodbye to the  group. why not share your knowledge here, ignore the silly 
questions of the  not so bright, but give them the opportunity to follow your 
discussions with  the ones that are on a par with you? that i'd appreciate 
very much!
  
 hans
 
   ...because the deterioration of  the list has resulted in many on
   the real time nuts have  gone away and do like we do every thing off
   list since  this has deteriorated in to a chat room with the majority
of the listings not time or frequency related. Serious time nuts  can
   contact me off list and maybe be added to the  group.
 
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Re: [time-nuts] Ublox 7

2014-05-24 Thread David J Taylor

From: ewkeh...@aol.com
[]
There have been a couple of questions on and off list. as to the specific
listing. I did forget to mention one thing. The unit comes with a built in
antenna.
[]
Bert Kehren
===

You can also get the u-blox 7 without the antenna - for example this 
pre-built unit for the Raspberry Pi, which has an SMA socket:


 http://www.satsignal.eu/ntp/Raspberry-Pi-NTP.html#no-soldering

Cheers,
David
--
SatSignal Software - Quality software written to your requirements
Web: http://www.satsignal.eu
Email: david-tay...@blueyonder.co.uk 


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