Re: [time-nuts] [OT] Paywall Rant (was Re: Spoofing GPS)

2012-06-28 Thread Peter Gottlieb
Very true, and in some cases (Texas case) a judge ruled that an employee that left a firm can never work in that same field again for the rest of their life due to both positive and negative knowledge. On 06/28/12, J. Forsterj...@quikus.com wrote: Essentially today, if you work for

Re: [time-nuts] [OT] Paywall Rant (was Re: Spoofing GPS)

2012-06-28 Thread Jim Lux
On 6/28/12 5:22 AM, J. Forster wrote: FYI, MIT got anal about IP policy in the early 1970s, demanding a transfer of all IP rights to the Institute for everything everyone did. I quit and went into the Consulting business (and wound up getting paid a LOT more for the same work). There is a

Re: [time-nuts] [OT] Paywall Rant (was Re: Spoofing GPS)

2012-06-28 Thread Jim Lux
On 6/28/12 6:38 AM, Peter Gottlieb wrote: Very true, and in some cases (Texas case) a judge ruled that an employee that left a firm can never work in that same field again for the rest of their life due to both positive and negative knowledge. Not in California, where such agreements are

[time-nuts] FTS125 GPS Module

2012-06-28 Thread ExpertEngineer
Hello, Has anyone had a play with the FTS125 GPS reference from Connor Winfield. I have one question on it. I notice if the unit is locked to GPS and the antenna is removed, the unit goes to holdover which is correct. If the antenna is replaced quickly (within minutes) then the module changes

Re: [time-nuts] [OT] Paywall Rant (was Re: Spoofing GPS)

2012-06-28 Thread Peter Gottlieb
I support that law. What a waste of talent if bright stars in advancing fields are snuffed out! Interestingly, I once heard it mentioned (in a business roundtable meeting) that this was one of the anti-business laws which must be strongly fought against. You are right though, just because

Re: [time-nuts] FTS125 GPS Module

2012-06-28 Thread Azelio Boriani
Check for a software update. Try to send the $PRTHS,RSET,ALL command (the internal CW25 GPS should be an NMEA version). On Thu, Jun 28, 2012 at 4:44 PM, ExpertEngineer expertengin...@live.co.ukwrote: Hello, Has anyone had a play with the FTS125 GPS reference from Connor Winfield. I have one

Re: [time-nuts] [OT] Paywall Rant (was Re: Spoofing GPS)

2012-06-28 Thread jmfranke
When I was in college, I worked part time on the engineering staff of several AM broadcast stations. The employment contract forbid me from working at another station within 250 miles if I was dismissed or resigned. The clause was not limited to just the on-air personnel. John WA4WDL

Re: [time-nuts] [OT] Paywall Rant (was Re: Spoofing GPS)

2012-06-28 Thread Bob Bownes
The fact that a clause is not enforceable doesn't prevent it from being put in contracts to scare non lawyers. I had my personal attorney, who happens to work for a firm that has another atty that specializes in employee/union side labor law, review one of my employment contracts once. His opinion

[time-nuts] Spoofing GPS - news article

2012-06-28 Thread DaveH
http://rt.com/usa/news/texas-1000-us-government-906/ Dave ___ 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.

Re: [time-nuts] Spoofing GPS - news article

2012-06-28 Thread Brooke Clarke
Hi Dave: The article shows a photo of a Predator, yet what the UoT guys did was hack a toy helicopter that used only the L1 civilian GPS signal. My guess is that they used a home made 3rd generation GPS simulator with a moderate power amp and antenna. http://www.prc68.com/I/5001A.html - first

Re: [time-nuts] Spoofing GPS - news article

2012-06-28 Thread Didier Juges
The picture is not of a Predator, it's a Global Hawk, a much larger aircraft. Didier KO4BB On Jun 28, 2012 11:47 AM, Brooke Clarke bro...@pacific.net wrote: Hi Dave: The article shows a photo of a Predator, yet what the UoT guys did was hack a toy helicopter that used only the L1 civilian

Re: [time-nuts] Spoofing GPS - news article

2012-06-28 Thread J. Forster
And not the UAV of the story, I'm sure. -John = The picture is not of a Predator, it's a Global Hawk, a much larger aircraft. Didier KO4BB On Jun 28, 2012 11:47 AM, Brooke Clarke bro...@pacific.net wrote: Hi Dave: The article shows a photo of a Predator, yet what the

Re: [time-nuts] Spoofing GPS - news article

2012-06-28 Thread steve heidmann
I can't imagine that we don't sanity check without baro , altimeters . Isn't that the inspiration for the Kalman filter ?   --- On Thu, 6/28/12, J. Forster j...@quikus.com wrote: From: J. Forster j...@quikus.com Subject: Re: [time-nuts] Spoofing GPS - news article To: Discussion of precise

Re: [time-nuts] Spoofing GPS - news article

2012-06-28 Thread Brooke Clarke
Hi Steve: It's my understanding that they do have baro altimeters, gyros and accelerometers plus some other flight stability inputs. But . . . they seem to be vulnerable to some forms of GPS jamming or spoofing. If jamming started out with the same satellite positions as were currently in the

[time-nuts] Injection locking interconnect

2012-06-28 Thread Bill Dailey
Guys, I am looking for info on injection locking. I have been searching around for info. I found an article that probably answers my question but I can't get to it. http://www.oldcitypublishing.com/FullText/JAPEDfulltext/JAPED2.1fulltext/11-24pp%20GC05-06%20%28Rajput%29.pdf Can anyone

Re: [time-nuts] Injection locking interconnect

2012-06-28 Thread Jim Lux
On 6/28/12 3:07 PM, Bill Dailey wrote: Guys, I am looking for info on injection locking. I have been searching around for info. I found an article that probably answers my question but I can't get to it.

Re: [time-nuts] Injection locking interconnect

2012-06-28 Thread Magnus Danielson
Bill, On 06/29/2012 12:07 AM, Bill Dailey wrote: Guys, I am looking for info on injection locking. I have been searching around for info. I found an article that probably answers my question but I can't get to it.

[time-nuts] Elektor GPIB to USB Interface

2012-06-28 Thread GandalfG8
There's been a number of discussions here in the past on the merits or otherwise of various GPIB to USB interfaces so here's another one to chuck into the mix. I have no experience of this one other than I've just been reading the article in the July/August edition of Elektor magazine, but

[time-nuts] !0 MHz standard frequency intruder

2012-06-28 Thread EB4APL
Hello, I'm receiving, maybe from less than a month, a new station on 10 MHz which claims it is an experimental time signals station. The weird thing is that they transmit music between the minute time marks, heavily interfering with the other standard stations which share this frequency.

Re: [time-nuts] Injection locking interconnect

2012-06-28 Thread Jim Lux
On 6/28/12 3:22 PM, Magnus Danielson wrote: Bill, On 06/29/2012 12:07 AM, Bill Dailey wrote: Guys, I am looking for info on injection locking. I have been searching around for info. I found an article that probably answers my question but I can't get to it.

Re: [time-nuts] Injection locking interconnect

2012-06-28 Thread Don Latham
Don't run it over your toes! snip There's an interesting paper out there using a bunch (half dozen?) magnetrons as a microwave weed killer, where they all locked to each other, so the power was appropriately combined with minimal loss. ___

Re: [time-nuts] Injection locking interconnect

2012-06-28 Thread Magnus Danielson
On 06/29/2012 01:37 AM, Jim Lux wrote: On 6/28/12 3:22 PM, Magnus Danielson wrote: Bill, On 06/29/2012 12:07 AM, Bill Dailey wrote: Guys, I am looking for info on injection locking. I have been searching around for info. I found an article that probably answers my question but I can't get to

Re: [time-nuts] FTS125 GPS Module

2012-06-28 Thread SAIDJACK
Yes, I am sure, depends on the firmware revision and configuration settings. Don't want to name any names here though. Secondary firmware can detect, and prevent this behavior once you know it exists, and what makes it happen. That's part of what makes the difference between an NCO and a

Re: [time-nuts] !0 MHz standard frequency intruder

2012-06-28 Thread David McGaw
Others are hearing it too: http://www.hard-core-dx.com/article.php?story=20120617111532649mode=print 73, David N1HAC On 6/28/12 7:33 PM, EB4APL wrote: Hello, I'm receiving, maybe from less than a month, a new station on 10 MHz which claims it is an experimental time signals station. The

Re: [time-nuts] !0 MHz standard frequency intruder

2012-06-28 Thread David McGaw
You know, if one could get accurate delays from a number of locations, one could triangulate its location - just thinking. :-) David On 6/28/12 9:40 PM, David McGaw wrote: Others are hearing it too: http://www.hard-core-dx.com/article.php?story=20120617111532649mode=print 73, David

Re: [time-nuts] !0 MHz standard frequency intruder

2012-06-28 Thread Peter Gottlieb
Just make up a loop and use a compass to get a bearing from a few places. That should place it close enough a local member could do the same by driving around and nail it. I did that to find a CODAR transmitter. On 6/28/2012 9:48 PM, David McGaw wrote: You know, if one could get accurate

Re: [time-nuts] !0 MHz standard frequency intruder

2012-06-28 Thread Jim Lux
On 6/28/12 6:48 PM, David McGaw wrote: You know, if one could get accurate delays from a number of locations, one could triangulate its location - just thinking. :-) This is timenuts... we should collect statistics on the signal and figure out what kind of oscillator they're using...

[time-nuts] Leap second coming...

2012-06-28 Thread Hal Murray
Everybody ready for the big event? :) For those of you who weren't here for the last one (or have forgotten)... Markus Kuhn as a nice program that records what happens to your computer's clock over the leap second. http://www.cl.cam.ac.uk/~mgk25/time/leap/test/timelog.c I'm in California,