[time-nuts] LORAN C simulator operational

2009-12-08 Thread paul swed
A few weeks back I started a discussion on the demise of LORAN C. It was quite a long discussion and spawned several others. I will indeed miss LORAN C as a frequency reference for several reasons. It was very good more stable then wwvb on the east coast. And for 10 years I have had 3 austron 2100

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread Brooke Clarke
Hi Paul: Austron made a simulator, see: http://www.prc68.com/I/A2042.shtml Click on photos to see larger images. If anyone has any documentation on this unit please let me know. Have Fun, Brooke Clarke http://www.PRC68.com paul swed wrote: A few weeks back I started a discussion on the

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread paul swed
Brook no info on it. What I worked on is a solution for those of us that have austrons and no simulators to feed them. I suspect they might be hard to come by. Regard On Tue, Dec 8, 2009 at 3:48 PM, Brooke Clarke bro...@pacific.net wrote: Hi Paul: Austron made a simulator, see:

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread Brooke Clarke
Hi Paul: The 2042 will give you an idea of what features you might want to include, that's why I added larger photos. In addition the European Loran chains have GRI values that are is smaller steps than the US chains. I'd like to know more about your simulator. Have Fun, Brooke Clarke

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread J. Forster
Hi Brooke, I'm on the east coast w/ nothing but ocean between me and Europe. I have some vague hopes my Austron might be able to lock onto a chain there, perhaps with a bigger loop. Do you have a link to their GRIs handy? I've not searched as yet. Thanks, -Jhn === Hi Paul:

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread Poul-Henning Kamp
In message 2667.12.6.201.51.1260307507.squir...@popaccts.quik.com, J. Forste r writes: Do you have a link to their GRIs handy? I've not searched as yet. 6731, 7499, 7001 and 9007. The last one is probably your best bet, as it has its master on the Faroyr Islands. -- Poul-Henning Kamp |

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread Peter Vince
Hello Paul, I have just been to the British National Physical Laboratory's bi-annual Time and Frequency meeting in London, and gained the strong impression that LORAN was far from dead. Apparently there was a meeting in Prague recently, with Britain, France, and Norway all behind eLoran,

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread paul swed
Thanks Peter, I will hope that it evolves to eloran but for .0002% of the budget we will shut it down. That said if you want to use your Austrons in North America I have an answer for you. There is the suggestion of at least on the eastcoast using Europe. But thats skywave and my research

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread J. Forster
I just received this good news from Poul-Henning Kamp: = If you want the GRIs in microseconds, add a zero: 67310, 74990, 70010 and 90070 My 2100F had no issues with them. = That's great news for me, if the signal is strong enough. -John = Thanks Peter,

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread paul swed
Hmmm I tried that on my 2100f to see if I could get skywave Europe LORAN. May have to try it again. Thanks for the tip. On Tue, Dec 8, 2009 at 6:52 PM, J. Forster j...@quik.com wrote: I just received this good news from Poul-Henning Kamp: = If you want the GRIs in microseconds, add a

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread Bill Hawkins
Anyone know about the LORAN-C Monitor, part of the Austron System 5000? Anyone want it? Two digital displays and a rectangular scope. Bill Hawkins ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] LORAN C simulator operational

2009-12-08 Thread paul swed
Sounds neat if no one else is interested I would be. But I may find out its 200 lbs. :-) On Tue, Dec 8, 2009 at 8:38 PM, Bill Hawkins b...@iaxs.net wrote: Anyone know about the LORAN-C Monitor, part of the Austron System 5000? Anyone want it? Two digital displays and a rectangular scope.

Re: [time-nuts] LORAN-C demise

2009-11-30 Thread Poul-Henning Kamp
In message 4b130e24.6050...@rubidium.dyndns.org, Magnus Danielson writes: Poul-Henning Kamp wrote: That particular aspect have been in deep investigation, and so has the M-codes. Their similarity in strength and code separation make the effect less than the gain you get. The BOC code aids to

Re: [time-nuts] LORAN-C demise

2009-11-30 Thread Mark Spencer
(maybe two orders of magnitude ?) than common literature would suggest is possible.    Something to do when I retire (: - Original Message From: Stanley Reynolds stanley_reyno...@yahoo.com To: time-nuts@febo.com Sent: Sun, November 29, 2009 12:35:50 PM Subject: Re: [time-nuts] LORAN-C

Re: [time-nuts] LORAN-C demise

2009-11-30 Thread Dan Rae
Mark Spencer wrote: Yep... There is some room for experimenation. As an example looking at some of the results reported from the ARRL Frequency measuring test, it seems that some of the participants are able to determine the frequencies of HF signals progated via sky waves with an accuracy

Re: [time-nuts] LORAN-C demise

2009-11-30 Thread Magnus Danielson
Poul-Henning Kamp wrote: In message 4b130e24.6050...@rubidium.dyndns.org, Magnus Danielson writes: Poul-Henning Kamp wrote: That particular aspect have been in deep investigation, and so has the M-codes. Their similarity in strength and code separation make the effect less than the gain you

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Mark Spencer
, November 28, 2009 2:47:55 PM Subject: Re: [time-nuts] LORAN-C demise Hi Some of us have been trying to get the telcom OEM's to embrace a backup for GPS. There are a number of possible things they could do at various points in their networks. Different companies have pushed different approaches for many

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Stanley Reynolds
How about the Volunteer Association of GPS Backup for Timing, VAGBT ? Propose of the group is to provide backup distribution of timing information for GPS users, via armature radio and cesium clocks. To develop many local transmit stations as possible and low cost receivers with both extended

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Mark Spencer
Any thoughts on how complex a receiver would need to be to produce a 1 pps signal that was locked to the carrier frequency it was receiving ? Lot#39;s of comercial transmitting equipment is designed to use an external frequency standard and if a transmitter at a high altitude site was locked to

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Robert Darlington
Hi guys, Are there any manufacturers that currently produce LORAN receivers? I talked to a pilot friend who is very active in my area and he said he is only aware of one person he knows that has a LORAN receiver in his aircraft and the guy doesn't use it. None of my other pilot buddies seem to

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Lux, Jim (337C)
On 11/29/09 11:40 AM, Mark Spencer mspencer12...@yahoo.ca wrote: Any thoughts on how complex a receiver would need to be to produce a 1 pps signal that was locked to the carrier frequency it was receiving ? Lot#39;s of comercial transmitting equipment is designed to use an external

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Mark Spencer
The main difference is that receiving lf signals is challenging in many areas built up areas and the doppler shift of hf via sky wave reduces the accuracy considerably, while there are already a large number of exisiting high power transmitters that can be locked to an external time base and

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Stanley Reynolds
Looking at the vhf/UHF ham repeater as a model, it is possible to get government and commercial cooperation but this is often with the assistance of a insider. A ham that is also the station engineer for example. My idea was to end run the government and commercial interest with the idea that

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread David I. Emery
On Sun, Nov 29, 2009 at 12:25:06PM -0800, Mark Spencer wrote: The main difference is that receiving lf signals is challenging in many areas built up areas and the doppler shift of hf via sky wave reduces the accuracy considerably, while there are already a large number of exisiting high power

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread bg
Hi, Well, most of this discussion is about GPS backup. The GLONASS system has received global coverage (again) for navigation. Timing is less demanding if we consider the static and known position case. In some years we will have Galileo (Euro) and Compass (China). Perhaps also regional Japanese

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Magnus Danielson
Stanley Reynolds wrote: It is clear that the government and commercial interest made a decision about GPS backup by not developing or using loran or other systems. The question is if the GPS signal stops as the loran signal will what will I check my standards with ? By stopping I mean a system

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Magnus Danielson
David I. Emery wrote: On Sun, Nov 29, 2009 at 12:25:06PM -0800, Mark Spencer wrote: The main difference is that receiving lf signals is challenging in many areas built up areas and the doppler shift of hf via sky wave reduces the accuracy considerably, while there are already a large number of

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Magnus Danielson
b...@lysator.liu.se wrote: Hi, Well, most of this discussion is about GPS backup. The GLONASS system has received global coverage (again) for navigation. Timing is less demanding if we consider the static and known position case. In some years we will have Galileo (Euro) and Compass (China).

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Poul-Henning Kamp
In message 4b130050.1050...@rubidium.dyndns.org, Magnus Danielson writes: b...@lysator.liu.se wrote: L1, L2, L3, L4 and L5 jammers is off the shelf. Not particular efficient, not to speak of L3 and L4 being of no significant use. Not to mention the fact that there is a good probability that GPS

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Magnus Danielson
Poul-Henning Kamp wrote: In message 4b130050.1050...@rubidium.dyndns.org, Magnus Danielson writes: b...@lysator.liu.se wrote: L1, L2, L3, L4 and L5 jammers is off the shelf. Not particular efficient, not to speak of L3 and L4 being of no significant use. Not to mention the fact that there

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread bg
In message 4b130050.1050...@rubidium.dyndns.org, Magnus Danielson writes: b...@lysator.liu.se wrote: L1, L2, L3, L4 and L5 jammers is off the shelf. Not particular efficient, not to speak of L3 and L4 being of no significant use. Not to mention the fact that there is a good probability that

Re: [time-nuts] LORAN-C demise

2009-11-29 Thread Magnus Danielson
b...@lysator.liu.se wrote: In message 4b130050.1050...@rubidium.dyndns.org, Magnus Danielson writes: b...@lysator.liu.se wrote: L1, L2, L3, L4 and L5 jammers is off the shelf. Not particular efficient, not to speak of L3 and L4 being of no significant use. Not to mention the fact that there is

[time-nuts] LORAN-C demise

2009-11-28 Thread ken hartman
Given the confusing and seemingly ambiguous infomation on the .gov site, a clearer picture is given by this announcement: http://www.gpsworld.com/gnss-system/news/coast-guard-jettisons-loran-9178 excerpted below: Coast Guard Jettisons Loran November 25, 2009 -- The

Re: [time-nuts] LORAN-C demise

2009-11-28 Thread J. Forster
There are on-line petition sites where people can sign on to support a particular cause. Has anyone started such a petition to save LORAN? I've not seen one. Best, -John == Given the confusing and seemingly ambiguous infomation on the .gov site, a clearer picture is given by

Re: [time-nuts] LORAN-C demise

2009-11-28 Thread Chuck Harris
Time and frequency measurement people were specifically exclude from the polls I have seen to determine whether or not Loran should continue. They only wanted navigation users input... and I guess there weren't any. -Chuck J. Forster wrote: There are on-line petition sites where people can

Re: [time-nuts] LORAN-C demise

2009-11-28 Thread ken hartman
My impression is that significant stake-holders (e.g. Telecom service providers, ILECs, AOPA, National Laboratories, FAA, NIST, DHS, CG, and others) were unwilling - at an institutional level - to embrace or own any aspect of LORAN preservation and unable - at an individual level - to influence

Re: [time-nuts] LORAN-C demise

2009-11-28 Thread Bob Camp
Hi Some of us have been trying to get the telcom OEM's to embrace a backup for GPS. There are a number of possible things they could do at various points in their networks. Different companies have pushed different approaches for many years. In all cases the response has been the carriers

Re: [time-nuts] LORAN-C demise

2009-11-28 Thread paul swed
Well that surely is pretty clear. Now will DHS sign off I suspect yes On Sat, Nov 28, 2009 at 2:09 PM, ken hartman kdhart...@gmail.com wrote: Given the confusing and seemingly ambiguous infomation on the .gov site, a clearer picture is given by this announcement:

[time-nuts] LORAN-C demise

2009-11-28 Thread Joe Geller
Here is the ALCOAST COMMANDANT NOTE: 675/09 LONG RANGE NAVIGATION (LORAN-C) TERMINATION 11/25/2009 http://www.uscg.mil/ANNOUNCEMENTS/ (apology in advance, if this was already posted.) ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go

Re: [time-nuts] Loran C shutdown

2009-11-16 Thread Eric Garner
Does anyone know if there is any organized attempt to save LORAN? -Eric On Fri, Nov 13, 2009 at 7:11 PM, Joe Geller joegel...@roadrunner.com wrote: The Coast Guard has always been stretched very thin with limited resources for many missions.  The saying was, every year we do more and more with

Re: [time-nuts] Loran C shutdown

2009-11-16 Thread Francesco Ledda
AOPA -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Eric Garner Sent: Monday, November 16, 2009 10:44 AM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Loran C shutdown Does anyone know

Re: [time-nuts] Loran C shutdown

2009-11-13 Thread Joe Geller
The Coast Guard has always been stretched very thin with limited resources for many missions. The saying was, every year we do more and more with less and less. I served in the late 70s as an electronics technician, EE, and later after Navy flight school, flying air rescue into the 80s. I

Re: [time-nuts] Loran C shutdown

2009-11-12 Thread Dave Baxter
Thanks John... It was pre my usual caffine intake... Dave G0WBX. -Original Message- From: J. Forster j...@quik.com Subject: Re: [time-nuts] Loran C shutdown Hyperbolic, not parabolic. -John Someone may correct me on this. But isn't Loran a parabolic

Re: [time-nuts] Loran C shutdown

2009-11-11 Thread Rob Kimberley
November 2009 01:38 To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Loran C shutdown Also, somebody mentioned French chains. Any info on those would be appreciated. They might worl, especially on the east coast. -John == Hello ! Before you throw away

Re: [time-nuts] Loran C shutdown

2009-11-11 Thread Dave Baxter
to be corrected on this. I may be thinking of another system of course. Regards. Dave G0WBX. -Original Message- Date: Tue, 10 Nov 2009 22:44:27 -0500 From: paul swed paulsw...@gmail.com Subject: Re: [time-nuts] Loran C shutdown To: Discussion of precise time and frequency measurement

Re: [time-nuts] Loran C shutdown

2009-11-11 Thread paul swed
Antonio, I ran into that last night. So much for an easy test. On Tue, Nov 10, 2009 at 10:57 PM, asma...@fc.up.pt wrote: The problem with the some European chains is that they have four-digit GRPs . Therefore, the standard 2000C and maybe others are useless. Regards, Antonio CT1TE

Re: [time-nuts] Loran C shutdown

2009-11-11 Thread J. Forster
with the timings, multi hop and all that. As above, I stand to be corrected on this. I may be thinking of another system of course. Regards. Dave G0WBX. -Original Message- Date: Tue, 10 Nov 2009 22:44:27 -0500 From: paul swed paulsw...@gmail.com Subject: Re: [time-nuts] Loran C shutdown

Re: [time-nuts] Loran C shutdown

2009-11-11 Thread J. Forster
-and-non-gnss-positions for info. Rob Kimberley -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of J. Forster Sent: 11 November 2009 01:38 To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Loran C

Re: [time-nuts] Loran C shutdown

2009-11-11 Thread Brooke Clarke
: [time-nuts] Loran C shutdown Also, somebody mentioned French chains. Any info on those would be appreciated. They might worl, especially on the east coast. -John == Hello ! Before you throw away your Loran Receivers, have you checked what will happen with the Canadian

Re: [time-nuts] Loran C shutdown

2009-11-11 Thread Alan Melia
] On Behalf Of J. Forster Sent: 11 November 2009 01:38 To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Loran C shutdown Also, somebody mentioned French chains. Any info on those would be appreciated. They might worl, especially on the east coast. -John

Re: [time-nuts] Loran C shutdown

2009-11-11 Thread Rob Kimberley
Hi Alan, I hope so. Peter Vince is coming. Rob -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Alan Melia Sent: 11 November 2009 20:10 To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Loran C shutdown

Re: [time-nuts] LORAN C shutdown

2009-11-10 Thread Robert Atkinson
/09, Poul-Henning Kamp p...@phk.freebsd.dk wrote: From: Poul-Henning Kamp p...@phk.freebsd.dk Subject: Re: [time-nuts] LORAN C shutdown To: Discussion of precise time and frequency measurement time-nuts@febo.com Date: Monday, 9 November, 2009, 23:06 Don't overlook that laser/fiber ring-gyros

Re: [time-nuts] LORAN C shutdown

2009-11-10 Thread GandalfG8
In a message dated 09/11/2009 23:24:27 GMT Standard Time, alan.me...@btinternet.com writes: There is a system in the UK that already does that and used digital TV as well I believe. The accurate nav is only really needed in coastal water and the phones cover most of those. Ain't many trees

Re: [time-nuts] LORAN C shutdown

2009-11-10 Thread bg
On the other hand... With GPS-aiding its argued that high performance INS-systems are not needed. The same performance will be reached with a low cost GPS and a mid to low performance inertial system. So I doubt we will have low cost high performance intertial sensors anytime soon. -- Björn

Re: [time-nuts] LORAN C shutdown

2009-11-10 Thread Robert Atkinson
...@lysator.liu.se wrote: From: b...@lysator.liu.se b...@lysator.liu.se Subject: Re: [time-nuts] LORAN C shutdown To: Discussion of precise time and frequency measurement time-nuts@febo.com Date: Tuesday, 10 November, 2009, 19:29 On the other hand... With GPS-aiding its argued that high performance INS

Re: [time-nuts] LORAN C shutdown

2009-11-10 Thread bg
...@lysator.liu.se b...@lysator.liu.se Subject: Re: [time-nuts] LORAN C shutdown To: Discussion of precise time and frequency measurement time-nuts@febo.com Date: Tuesday, 10 November, 2009, 19:29 On the other hand... With GPS-aiding its argued that high performance INS-systems are not needed

Re: [time-nuts] LORAN C shutdown

2009-11-10 Thread Poul-Henning Kamp
In message 2455.41.130.184.218.1257890017.squir...@webmail.lysator.liu.se, bg @lysator.liu.se writes: High performance mechanical rotating gyros are associated with platform systems. Ring laser gyros and fiber optic gyros are typically strapdown, which completely dominate modern navigation.

Re: [time-nuts] LORAN C shutdown

2009-11-10 Thread Magnus Danielson
Poul-Henning Kamp wrote: In message 2455.41.130.184.218.1257890017.squir...@webmail.lysator.liu.se, bg @lysator.liu.se writes: High performance mechanical rotating gyros are associated with platform systems. Ring laser gyros and fiber optic gyros are typically strapdown, which completely

[time-nuts] Loran C shutdown

2009-11-10 Thread Claude Houde
Hello ! Before you throw away your Loran Receivers, have you checked what will happen with the Canadian Transmitter Chains ? Would it be possible with better antennas to receive signals from other countries ? Would be interested in hearing your input on these ideas ! Thanks ! Claude

Re: [time-nuts] Loran C shutdown

2009-11-10 Thread J. Forster
Also, somebody mentioned French chains. Any info on those would be appreciated. They might worl, especially on the east coast. -John == Hello ! Before you throw away your Loran Receivers, have you checked what will happen with the Canadian Transmitter Chains ? Would it be

Re: [time-nuts] Loran C shutdown

2009-11-10 Thread Jerome Peters
Is Loran C used with GPS to help make land surveying more accurate? I thought I read something about using both systems together. --- This email message is for the sole use of the intended recipient(s) and may

Re: [time-nuts] Loran C shutdown

2009-11-10 Thread paul swed
Well that's what I am thinking about also. Earlier in this thread there was a mention of Europe. This would be a sky wave only signal as I recall from the navy. So I have g3plx LORAN software and will look to see what I might get here on the east coast. Suspect the Canadian chains will go very

Re: [time-nuts] Loran C shutdown

2009-11-10 Thread asmagal
The problem with the some European chains is that they have four-digit GRPs . Therefore, the standard 2000C and maybe others are useless. Regards, Antonio CT1TE Quoting paul swed paulsw...@gmail.com: Well that's what I am thinking about also. Earlier in this thread there was a mention of

Re: [time-nuts] LORAN C shutdown

2009-11-10 Thread bg
In message 2455.41.130.184.218.1257890017.squir...@webmail.lysator.liu.se, bg @lysator.liu.se writes: High performance mechanical rotating gyros are associated with platform systems. Ring laser gyros and fiber optic gyros are typically strapdown, which completely dominate modern navigation.

[time-nuts] LORAN C shutdown

2009-11-09 Thread paul swed
Alan Very sorry if I grabbed your thread. I thought I changed the header I finally found it in the senate votes this weekend. The house and senate voted to shut it down and the president signed it. (We will save .2% of the budget) The USCG and DHS said they had no need. It was very hard

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Brooke Clarke
Hi: It's here: http://www.navcen.uscg.gov/Loran/default.htm under: The Operating Status of LORAN-C Have Fun, Brooke Clarke http://www.prc68.com paul swed wrote: Alan Very sorry if I grabbed your thread. I thought I changed the header I finally found it in the senate votes this weekend.

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Robert Darlington
Anybody looking to buy an Austron 2000c ? Any takers? Any? -Bob On Mon, Nov 9, 2009 at 3:01 PM, paul swed paulsw...@gmail.com wrote: Alan Very sorry if I grabbed your thread. I thought I changed the header I finally found it in the senate votes this weekend. The house and senate

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread J. Forster
The Congress is UTTERLY CLUELESS. It's supposed to shut down Jan 4, 2010. See: http://appropriations.house.gov/pdf/Homeland_Security_FY10_Conference.pdf -John === Anybody looking to buy an Austron 2000c ? Any takers? Any? -Bob On Mon, Nov 9, 2009 at 3:01 PM, paul swed

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Eric Garner
So what are ships/planes supposed to if/when satellite navigation becomes unreliable or unavailable ? On Mon, Nov 9, 2009 at 2:14 PM, J. Forster j...@quik.com wrote: The Congress is UTTERLY CLUELESS. It's supposed to shut down Jan 4, 2010. See:

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread EWKehren
There can be life for many Loran C receivers. They can be used as a high resolution comparator with a Loran C simulator that could be made with a few components and a PIC. Bert Kehren In a message dated 11/9/2009 5:11:02 P.M. Eastern Standard Time, rdarling...@gmail.com writes: Anybody

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread paul swed
I believe sextant On Mon, Nov 9, 2009 at 5:25 PM, Eric Garner garn...@gmail.com wrote: So what are ships/planes supposed to if/when satellite navigation becomes unreliable or unavailable ? On Mon, Nov 9, 2009 at 2:14 PM, J. Forster j...@quik.com wrote: The Congress is UTTERLY CLUELESS.

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Magnus Danielson
Eric Garner wrote: So what are ships/planes supposed to if/when satellite navigation becomes unreliable or unavailable ? But that doesn't happend, right? *ironic tone* With eLoran modernisation, there would be some chance of survival, but obviously focus is on stripping down the suit if it

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread paul swed
My impression is eLORAN is off the table. Since DHS is letting it go also. Sextant, compass, and a good chronometer. On Mon, Nov 9, 2009 at 5:44 PM, Magnus Danielson mag...@rubidium.dyndns.org wrote: Eric Garner wrote: So what are ships/planes supposed to if/when satellite navigation

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Alan Melia
rdarling...@gmail.com To: Discussion of precise time and frequency measurement time-nuts@febo.com Sent: Monday, November 09, 2009 10:10 PM Subject: Re: [time-nuts] LORAN C shutdown Anybody looking to buy an Austron 2000c ? Any takers? Any? -Bob On Mon, Nov 9, 2009 at 3:01 PM, paul swed

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Alan Melia
- From: paul swed paulsw...@gmail.com To: Time-nuts time-nuts@febo.com Sent: Monday, November 09, 2009 10:01 PM Subject: [time-nuts] LORAN C shutdown Alan Very sorry if I grabbed your thread. I thought I changed the header I finally found it in the senate votes this weekend. The house

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Lux, Jim (337C)
On 11/9/09 2:43 PM, paul swed paulsw...@gmail.com wrote: I believe sextant On Mon, Nov 9, 2009 at 5:25 PM, Eric Garner garn...@gmail.com wrote: So what are ships/planes supposed to if/when satellite navigation becomes unreliable or unavailable ? On Mon, Nov 9, 2009 at 2:14 PM, J.

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Alan Melia
Dead Reckoning ?? - Original Message - From: Eric Garner garn...@gmail.com To: Discussion of precise time and frequency measurement time-nuts@febo.com Sent: Monday, November 09, 2009 10:25 PM Subject: Re: [time-nuts] LORAN C shutdown So what are ships/planes supposed to if/when

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Lester Veenstra
. -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Eric Garner Sent: Monday, November 09, 2009 10:26 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] LORAN C shutdown So what are ships/planes supposed

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Robert Darlington
To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] LORAN C shutdown So what are ships/planes supposed to if/when satellite navigation becomes unreliable or unavailable ? On Mon, Nov 9, 2009 at 2:14 PM, J. Forster j...@quik.com wrote: The Congress is UTTERLY

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Poul-Henning Kamp
In message b3bd5fcb0911091410qb5a8846y9ea09caa32003...@mail.gmail.com, Robert Darlington writes: Anybody looking to buy an Austron 2000c ? Any takers? Any? You should complain, I built one from scratch: http://phk.freebsd.dk/AducLoran/AducLoran-0.3.pdf :-) -- Poul-Henning Kamp

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Pete Lancashire
That old Carousel IV buried in the back of my garage my someday have a use again -pete Anybody looking to buy an Austron 2000c ? Any takers? Any? -Bob On Mon, Nov 9, 2009 at 3:01 PM, paul swed paulsw...@gmail.com wrote: Alan Very sorry if I grabbed your thread. I thought I

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread J. Forster
: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Eric Garner Sent: Monday, November 09, 2009 10:26 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] LORAN C shutdown So what are ships/planes supposed to if/when satellite navigation

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Poul-Henning Kamp
Don't overlook that laser/fiber ring-gyros will drop in price the patents expire and the predatory pricing ends: http://www.es.northropgrumman.com/solutions/mk39/assets/mk39.pdf As much as I have enjoyed playing with Loran-C, I would far rather have a shoebox-sized, totally autonomous

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread Alan Melia
drilling platforms :-)) Alan G3NYK - Original Message - From: Robert Darlington rdarling...@gmail.com To: les...@veenstras.com; Discussion of precise time and frequency measurement time-nuts@febo.com Sent: Monday, November 09, 2009 10:55 PM Subject: Re: [time-nuts] LORAN C shutdown

Re: [time-nuts] LORAN C shutdown

2009-11-09 Thread J. Forster
The tree reference is for nav in forest or jungle canopy areas. A very few trees will largely kill GPS. LORAN does not care. I have that exact problem. -John There is a system in the UK that already does that and used digital TV as well I believe. The accurate nav is only really

[time-nuts] Loran C shut down

2009-11-09 Thread Rich and Marcia Putz
Hi all; I guess this is change we can believe in! Rich ___ 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] LORAN C shutdown

2009-11-09 Thread Robert Atkinson
Unfortunatly very few commercial aircraft carry Loran C equipment. The large ones would fall back on inertial navigation.   Robert G8RPI. --- On Mon, 9/11/09, Eric Garner garn...@gmail.com wrote: From: Eric Garner garn...@gmail.com Subject: Re: [time-nuts] LORAN C shutdown To: Discussion

Re: [time-nuts] Loran-C French Clocks

2009-03-26 Thread Magne Mæhre
Magnus Danielson wrote: So far: UTC based: France, Sweden GMT based (UT1?): Great Brittian, Denmark I suspect several countries (such as US, Germany etc. etc) to be UTC based, but I do not know for sure. Norway is UTC-based as of 2008-01-01. The law on units, measurements and standard

Re: [time-nuts] Loran-C French Clocks

2009-03-26 Thread Magnus Danielson
Hei Magne! Magne Mæhre wrote: Magnus Danielson wrote: So far: UTC based: France, Sweden GMT based (UT1?): Great Brittian, Denmark I suspect several countries (such as US, Germany etc. etc) to be UTC based, but I do not know for sure. Norway is UTC-based as of 2008-01-01.

Re: [time-nuts] Loran-C French Clocks

2009-03-20 Thread Magnus Danielson
Jim Palfreyman skrev: In Australia, each state or territory defines its own time. I've scanned the Australian legal database and found bills for all states and territories defining time relative to UTC. So you can put the whole of Australia definitely in the UTC pile. OK, thanks Jim.

Re: [time-nuts] Loran-C French Clocks

2009-03-20 Thread Arnold Tibus
Magnus, On Fri, 20 Mar 2009 00:16:10 +0100, Magnus Danielson wrote: the legal time for Germany (done via DCF77) , as defined in the german 'Zeitgesetz' as summarized here: http: //www.ptb.de/de/org/4/44/441/dars.htm English version is on http://www.ptb.de/en/org/4/44/441/_index.htm Thank

Re: [time-nuts] Loran-C French Clocks

2009-03-20 Thread Magnus Danielson
Arnold, Arnold Tibus skrev: Magnus, On Fri, 20 Mar 2009 00:16:10 +0100, Magnus Danielson wrote: the legal time for Germany (done via DCF77) , as defined in the german 'Zeitgesetz' as summarized here: http: //www.ptb.de/de/org/4/44/441/dars.htm English version is on

Re: [time-nuts] Loran-C French Clocks

2009-03-19 Thread Poul-Henning Kamp
In message 49c17d52.6050...@rubidium.dyndns.org, Magnus Danielson writes: Last time I checked, Gudhjem is the home of 777 soles. I doubt that: http://en.wikipedia.org/wiki/Sole_(fish) It is a bit humours that the Danish translation of the EC Directive on summer-time shifts defines the shifts

Re: [time-nuts] Loran-C French Clocks

2009-03-19 Thread Rob Kimberley
-nuts-boun...@febo.com] On Behalf Of M. Warner Losh Sent: 19 March 2009 00:20 To: time-nuts@febo.com; mag...@rubidium.dyndns.org Subject: Re: [time-nuts] Loran-C French Clocks In message: 49c17d52.6050...@rubidium.dyndns.org Magnus Danielson mag...@rubidium.dyndns.org writes: : I am still

Re: [time-nuts] Loran-C French Clocks

2009-03-19 Thread Arnold Tibus
On Thu, 19 Mar 2009 00:04:51 +0100, Magnus Danielson wrote: Arnold, To remove another questionmark partly: I suspect several countries (such as US, Germany etc. etc) to be UTC based, but I do not know for sure. The german time is fixed by law to MEZ=CET, the Central European Time,

Re: [time-nuts] Loran-C French Clocks

2009-03-19 Thread Magnus Danielson
Poul-Henning Kamp skrev: In message 49c17d52.6050...@rubidium.dyndns.org, Magnus Danielson writes: Last time I checked, Gudhjem is the home of 777 soles. I doubt that: http://en.wikipedia.org/wiki/Sole_(fish) You should complain on my spelling... I knew something was fishy... I naturally

Re: [time-nuts] Loran-C French Clocks

2009-03-19 Thread Magnus Danielson
Arnold Tibus skrev: On Thu, 19 Mar 2009 00:04:51 +0100, Magnus Danielson wrote: Arnold, To remove another questionmark partly: I suspect several countries (such as US, Germany etc. etc) to be UTC based, but I do not know for sure. The german time is fixed by law to MEZ=CET, the

Re: [time-nuts] Loran-C French Clocks

2009-03-19 Thread Jim Palfreyman
In Australia, each state or territory defines its own time. I've scanned the Australian legal database and found bills for all states and territories defining time relative to UTC. So you can put the whole of Australia definitely in the UTC pile. Jim 2009/3/18 Magnus Danielson

Re: [time-nuts] Loran-C French Clocks

2009-03-18 Thread Magnus Danielson
Arnold, Arnold Tibus skrev: Magnus and all, interestlingly the discussion about GMT seem to be a never ending story, all over the world. As I know GMT was already renamed in the year 1925 ( or 1928 acc. other source ) to UT and universal time coordinated (U T C) (that) is standard

Re: [time-nuts] Loran-C French Clocks

2009-03-18 Thread phil
- Original Message - From: Magnus Danielson mag...@rubidium.dyndns.org To: Discussion of precise time and frequency measurement time-nuts@febo.com Sent: Tuesday, March 17, 2009 7:36 PM Subject: Re: [time-nuts] Loran-C French Clocks Arnold, Arnold Tibus skrev: Magnus and all

<    1   2   3   4   5   >