Re: [time-nuts] Why the fuss - GPS Interference...

2012-09-29 Thread Rob Kimberley
Tom, Nice story. Thanks. Last I heard Rich had moved on from FEI-Zyfer. I don't know where he is now. Nice guy! Rob -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Tom Curlee Sent: 29 September 2012 04:53 To: Discussion of precise

[time-nuts] E1938A PN measurments

2012-09-29 Thread Bruce Griffiths
For those that have Timelab the link to the E1938A PN measurement data is: https://dl.dropbox.com/u/59708595/E1938A.tim Bruce ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] E1938A PN measurments

2012-09-29 Thread Magnus Danielson
On 09/29/2012 02:45 PM, Bruce Griffiths wrote: For those that have Timelab the link to the E1938A PN measurement data is: https://dl.dropbox.com/u/59708595/E1938A.tim Thank you. I will measure mine so that we can compare them. Cross-correlation with a pair of BVAs should do it. Cheers,

Re: [time-nuts] messy workbenches

2012-09-29 Thread Brooke Clarke
Hi: Recently I've discovered Asperger's Syndrome. Although I don't meet all the criteria, I do have a number of the traits. One is living with clutter (this is different from obsessive hording). A common occupation is engineering. AS people are much more comfortable with things as opposed to

Re: [time-nuts] Best GPSDO

2012-09-29 Thread Jim Lux
On 9/28/12 8:31 PM, Chris Albertson wrote: On Fri, Sep 28, 2012 at 5:29 PM, Bob Camp li...@rtty.us wrote: HI Sort of an open ended question, but there is a fairly simple couple answers: SInce it's close in phase noise and not far removed, things like PLL's are going to transfer it directly

Re: [time-nuts] Best GPSDO

2012-09-29 Thread Bob Camp
Hi For close in noise, you can go from 10 to 120 to 14.5 and the net result will be the same as 10 to 14.5. In the case of 10 to 120, close in might be DC to 50 Hz or DC to 250 Hz. Past that a reasonable crystal oscillator could beat the multiplied 10 MHz. In most microwave chains, the low

Re: [time-nuts] antenna restrictions

2012-09-29 Thread Scott McGrath
Just hide the antenna in the whip... Takes care of non magnetic horse problem Sent from my iPhone On Sep 28, 2012, at 9:45 PM, DaveH i...@blackmountainforge.com wrote: Not gonna work with my Amish neighbors a couple miles up the road. They have a dead horse up on blocks in their

Re: [time-nuts] antenna restrictions

2012-09-29 Thread GandalfG8
Sounds like we're back to flogging a dead horse:-) In a message dated 29/09/2012 17:32:41 GMT Daylight Time, scmcgr...@gmail.com writes: Just hide the antenna in the whip... Takes care of non magnetic horse problem Sent from my iPhone On Sep 28, 2012, at 9:45 PM, DaveH

Re: [time-nuts] messy workbenches

2012-09-29 Thread Joe Leikhim
Brooke; I got a 29. Probably would have been much higher at an earlier age as I have grown out of some things. Not sure how accurate some of the questions relate to AS though. I would have to agree that a lot of engineer and tech types fall into these categories. If not, we would probably not

Re: [time-nuts] Best GPSDO

2012-09-29 Thread Magnus Danielson
On 09/29/2012 06:19 PM, Tom Knox wrote: Best of course is such a vague question. Best For 5MHz today is a Cesium Fountain used periodicly to calibrate 6-12 Symmetricom 5071A option 004 disciplining 5-6 Symmetricom Hydrogen Masers disciplining 5-6 Oscilloquartz 8607 option 08 BVA's. I am a

Re: [time-nuts] messy workbenches

2012-09-29 Thread Brooke Clarke
Hi Joe: I've seen her TED Talk: http://www.ted.com/talks/lang/en/temple_grandin_the_world_needs_all_kinds_of_minds.html The movie: Mozart and the Whale is highly recommended. I helps to know what's going on. Have Fun, Brooke Clarke http://www.PRC68.com

Re: [time-nuts] Best GPSDO

2012-09-29 Thread Bob Camp
Hi The address is pretty easy, the *real* question is when is the swap meet? Bob On Sep 29, 2012, at 1:21 PM, Magnus Danielson mag...@rubidium.dyndns.org wrote: On 09/29/2012 06:19 PM, Tom Knox wrote: Best of course is such a vague question. Best For 5MHz today is a Cesium Fountain used

Re: [time-nuts] Best GPSDO

2012-09-29 Thread Magnus Danielson
On 09/29/2012 07:52 PM, Bob Camp wrote: Hi The address is pretty easy, the *real* question is when is the swap meet? I just want him to send the stuff to me. ;-) Cheers, Magnus ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] E1938A PN measurments

2012-09-29 Thread Bruce Griffiths
Magnus Danielson wrote: On 09/29/2012 02:45 PM, Bruce Griffiths wrote: For those that have Timelab the link to the E1938A PN measurement data is: https://dl.dropbox.com/u/59708595/E1938A.tim Thank you. I will measure mine so that we can compare them. Cross-correlation with a pair of BVAs

Re: [time-nuts] antenna restrictions

2012-09-29 Thread Scott McGrath
:-) Sent from my iPhone On Sep 29, 2012, at 10:01 AM, gandal...@aol.com wrote: Sounds like we're back to flogging a dead horse:-) In a message dated 29/09/2012 17:32:41 GMT Daylight Time, scmcgr...@gmail.com writes: Just hide the antenna in the whip... Takes care of non magnetic

[time-nuts] SMT Probing Stuff

2012-09-29 Thread J. Forster
I recently bought some clean IBM Thinkpads cheap with unknown Boot PassWords. There is a hack to access the existing PWs and rewrite them, but it requires connecting to an 8 pin SMT IC. I know several vendors make Dip Clip type devices for connection to such chips, but I'd like reccomendations on

Re: [time-nuts] SMT Probing Stuff

2012-09-29 Thread gary
I've only used 3M clips, so I can't say who makes the best clip. http://www.hmcelectronics.com/product/3M/923650-08 There is a gold plated version too. 923655-08 Pomona might be OK. All mine came from failed electronics companies hitting the local surplus shop, but $10 for a clip doesn't

Re: [time-nuts] SMT Probing Stuff

2012-09-29 Thread Joseph Gray
I bought some 8-pin SMT clips a few years ago, but don't remember where I got them. The only brands I know of are 3M, AP and Pomona. You will find that these things are expensive. Joe Gray W5JG On Sat, Sep 29, 2012 at 7:16 PM, J. Forster j...@quikus.com wrote: I recently bought some clean IBM

Re: [time-nuts] SMT Probing Stuff

2012-09-29 Thread Robert Darlington
On Sat, Sep 29, 2012 at 7:39 PM, gary li...@lazygranch.com wrote: I've only used 3M clips, so I can't say who makes the best clip. http://www.hmcelectronics.com/product/3M/923650-08 There is a gold plated version too. 923655-08 Pomona might be OK I use Pamona chip clips (at least that's

Re: [time-nuts] SMT Probing Stuff

2012-09-29 Thread Robert Darlington
This is the one. Sorry for not taking the time to send this in the previous email: http://www.mcmelectronics.com/product/POMONA-5514-/201-075 -Bob On Sat, Sep 29, 2012 at 9:35 PM, Robert Darlington rdarling...@gmail.com wrote: On Sat, Sep 29, 2012 at 7:39 PM, gary li...@lazygranch.com wrote:

Re: [time-nuts] E1938A PN measurments

2012-09-29 Thread Richard (Rick) Karlquist
The E1938A uses a crystal that is basically the same as the 10811 crystal except that it is in a reduced height package. However the phase noise is not as good as a 10811 due to broadband noise in the automatic frequency control circuit. By the time I discovered this, it was too late to try to