Re: [time-nuts] Loran Europe Lessay seems to be back on air?

The norm right now is 1 year. Enjoy while you can. On Tue, Jan 5, 2016 at 1:50 PM, GandalfG8--- via time-nuts < time-nuts@febo.com> wrote: > Yes, they've been switching back and forth between one or two channels all > day, with the one channel state always being just the usual Anthorn Y >

[time-nuts] CTS 1960017 OCXO

There seems to be a plethora of the CTS 1960017 OCXOs on eBay at the moment. Would anyone have any stability specs on this device? Greg ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

Right but they are both the same station. Note the levels are pretty much the same. On Tue, Jan 5, 2016 at 12:29 PM, Poul-Henning Kamp wrote: > > > I see both a master and slave on 6731 from Denmark now. > > Same signal strength: > >

Re: [time-nuts] DMTD - analog multiplier vs. diode mixer ?

Bruce wrote: You mean DMTD = dual mixer time differencenotDDMTD = Digital dual mixer timer difference.The latter uses a pair of synchronisers / shift registers instead of a pair of mixers. I don't see how your comment is relevant to my post -- I did not mention either DMTDs or DDMTDs. I

Re: [time-nuts] DMTD - analog multiplier vs. diode mixer ?

Hi Ok, so what needs to be done with the output of the mixer (no matter how you do it)? Assume you start from 10 MHz and head down to 10 Hz. Assume you are mad at your 5370 and want significantly better performance. Where does that get you? The 5370 already is in the ~ 20 ps range. A lot

Re: [time-nuts] KS-24361 off by 45 seconds for 13 minutes, end of Jan 01 UTC

On 2016-01-05 11:59, Hal Murray wrote: Is anybody watching the output of their KS-24361? Mine was off by 45 seconds for 13 minutes at the end of Jan 01. I didn't see any problems on a Z3801A. Receiver time output may have been delayed while receiving an almanac update at the end of the UTC

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

Hi All, On 05/01/16 20:03, paul swed wrote: The norm right now is 1 year. Enjoy while you can. On Tue, Jan 5, 2016 at 1:50 PM, GandalfG8--- via time-nuts < time-nuts@febo.com> wrote: Yes, they've been switching back and forth between one or two channels all day, with the one channel state

Re: [time-nuts] beaglebone black, debian, NTP client

That's one thing that annoys me with those graphs. If you average jitter it loses its meaning. What you then get is the mean deviation (aka offset). Without an accompanying standard deviation (and a test that you actually have a gausian distribution) this value is not worth much. What I am

Re: [time-nuts] CTS 1960017 OCXO

Hi According to the CTS web site, this: http://www.ctscorp.com/wp-content/uploads/2015/12/OCXO196.pdf has the basic specs on it. The seller mentions that it’s a 5V supply and sine wave output unit. Bob > On Jan 5, 2016, at 10:43 PM, Gregory Muir wrote: > > There seems

Re: [time-nuts] DMTD - analog multiplier vs. diode mixer ?

Sorry I was under the impression I was replying to Don's post. Sometimes my Windows machine seems to mess up the part of the thread to which I thought I was replying. My Linux box doesn't seem to have this problem. Bruce On Tuesday, January 05, 2016 09:26:14 PM Charles Steinmetz wrote: > Bruce

Re: [time-nuts] CTS 1960017 OCXO

Broad parameters for CTS 196 series OCXO data: http://www.wellking.com/default/doc/cts/%E9%A2%91%E7%8E%87%E6%8E%A7%E5%88%B6%E4%BA%A7%E5%93%81/%E6%81%92%E6%B8%A9%E5%9E%8B%E6%99%B6%E6%8C%AF/196.pdf Frequency Stability Initial Calibration ∆f/fNOM; TA=25°C; at time of shipment @ 0.5 X Vc - - ± 200

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

It seems to me that the code they use for the 6731M signal is botched, anybody who can confirm ? -- 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

Re: [time-nuts] (OT) Looking for a paper from NAV01 (RIN International Conference on Navigation)

Hi Phil, On 01/06/2016 07:14 PM, Philip Pemberton wrote: > I've contacted TIB (the German university library in Hannover). Sadly > they can't send the paper because it's not covered by their Europe-wide > copyright licence -- so they can only supply it to persons inside Germany First off it

[time-nuts] DMTD - analog multiplier vs. diode mixer ?

I realize this would not measure frequency or phase difference; but has anyone used a lock-in amplifier to compare two 10 MHz signals -- for example to adjust a rubidium oscillator to agree with a GPS reference? Bruce, KG6OJI ___ time-nuts mailing

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

On 2016-01-04 14:11, Alan Melia wrote: I remember being told by a senior member of the RIN that he thought it was a "dead duck" and a waste of money. It appears someone also thought RIN was a "dead duck" and a waste of money as it too shut down at the end of 2015! -- Take care. Thanks,

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

On Wed, Jan 06, 2016 at 05:05:37PM +, Poul-Henning Kamp wrote: > It seems to me that the code they use for the 6731M signal is botched, > anybody who can confirm ? Indeed, see the attached plot (from a recording I made earlier this evening): the master signal is totally lacking the 180

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

Yeah well its all done by computers now you dont need qualified navigators, the Captain can easily run it aground on his own :-)) It took a little longer than dumping ROs but not much. Alan G3NYK - Original Message - From: "Brian Inglis" To:

Re: [time-nuts] DMTD - analog multiplier vs. diode mixer ?

On 1/5/2016 12:07 PM, Bruce Griffiths wrote: The noise of such Gilbert cell based analog multipliers far exceeds that of the traditional mixer. Bruce Read Gilbert's paper or Gray and Meyers analog IC textbook and you will see that the whole theory of operation of these depends on keeping

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

I would give Anthorn some time to settle down. It will. Its a shame no one here has actual contacts with the people that run it. Regards Paul WB8TSL On Wed, Jan 6, 2016 at 4:44 PM, Brian Inglis < brian.ing...@systematicsw.ab.ca> wrote: > On 2016-01-04 14:11, Alan Melia wrote: > >> I remember

Re: [time-nuts] DMTD - analog multiplier vs. diode mixer ?

Yes must have been a year or so ago there was a thread I recall that someone was doing that. Thats one expensive approach to the problem. Regards Paul WB8TSL On Wed, Jan 6, 2016 at 2:37 PM, Bruce Hunter via time-nuts < time-nuts@febo.com> wrote: > I realize this would not measure frequency or

Re: [time-nuts] (OT) Looking for a paper from NAV01 (RIN International Conference on Navigation)

On 04/01/16 21:02, Attila Kinali wrote: > That's weird. The RIN website has an explicit conference proceedings download > page: > http://members.rin.org.uk/conferencepapers/conferencepapers.aspx > > They list there a special email address confere...@rin.org.uk as contact > to ask for access. I

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

It seems to me that the code they use for the 6731M signal is botched, anybody who can confirm ? Something's certainly not right at the moment. This morning all was working fine with both Master and Y stations locked on different receivers, but I had to go out for a few

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

It seems to me that the code they use for the 6731M signal is botched, anybody who can confirm ? Ah well, as of 1915 the FS700s seem to be locking ok again but still with the monitored signal dropping out from time to time so I guess we just need to be patient and treat it

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

In message <5ce6d0.616cac05.43bec...@aol.com>, gandal...@aol.com writes: >--part1_5ce6d0.616cac05.43bec318_boundary >It seems to me that the code they use for the 6731M signal is botched, >anybody who can confirm ? > > >Ah well, as of 1915 the FS700s seem to be locking

Re: [time-nuts] Loran Europe Lessay seems to be back on air?

FOlks, Whilst it's not e-LORAN, and it may not be of much help, I can at least now look for signals here in Edinburgh give the GRI. I'm using: - e-field vertical mounted in the loft (yes, it would be far better outside) - SpyVerter/Airspy receiver hardware - SDR# receiver software - Virtual