Re: [time-nuts] Interpreting and Understanding Allen Deviation Results

Could you post some phase plots? The data you show is not 1/tau and very likely not white phase noise. Mike -Original Message- From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of CubeCentral Sent: Wednesday, November 15, 2017 11:12 To: time-nuts@febo.com Subject:

Re: [time-nuts] Favorite counters (current production)?

At 06:44 AM 11/11/2017, Tom Van Baak wrote: So, Scott, give the FS740 a try. See if SRS will loan you one for a few weeks and report back to us on what you think. I've sent a couple of emails to i...@thinksrs.com with no reply yet. If anyone has a sales contact at SRS, please pass it along.

Re: [time-nuts] Favorite counters (current production)?

At 12:39 PM 11/11/2017, Tom Knox wrote: The FS740 is interesting. Obviously it has a lot going for it, but what appears to be missing is graphic data display capabilities which would simply be a few line of code. Perhaps I missed something skimming through the manual. I don't think you

Re: [time-nuts] Interpreting and Understanding Allen Deviation Results

Hi, There are other, more qualified people who should answer your questions, but until they get around to it, let me give you some pointers to read up upon. First of all, you probably want to read [1] and [2]. Especially the latter does explain the effects of the different noise types and how

[time-nuts] offering for sale

I am Ted Hartson, also WA8ULG and closing my lab I kept a pair of HP 5060 Cesium for years at my lab and thought my life would be more complete if i had an HP 5371A. If you are not familiar with this box I attach it has virtually zero hours of use.

Re: [time-nuts] REF1 standalone issue now

OK, go figure, after resetting the loopback jumpers it came alive with a green light, GPS time is ok, still not presenting a satellite on the LH display but it must be seeing something to have the time correct. Interesting project all along. > On Nov 15, 2017, at 12:03 PM, Jerry Hancock

[time-nuts] REF1 standalone issue now

I found the write-up on getting 10Mhz out. I added the resistors and cap and brought it out the 15Mhz connector after separating it from the 15Mhz drive. I booted it up and I have a Yellow No GPS light and a Red Fault. The unit sees the GPS antenna as when I disconnect it the GPS light

Re: [time-nuts] Lucent RFTG-u REF0-REF1 cable

Is there an easy way to get 10Mhz out of the REF1? Next time I am using my electric screwdriver to take this apart. I can’t believe how many bolts it has. I used a screwdriver that turns double in reverse, pretty cool tool, but even then it took forever. > On Nov 15, 2017, at 7:00 AM, Bob

[time-nuts] Interpreting and Understanding Allen Deviation Results

Greetings, time-nuts! After reading [ http://www.leapsecond.com/pages/adev/adev-why.htm ] I felt that I better understood how an Allan Deviation is calculated and endeavored to try an experiment. It should be noted that I have a hobbyist-level understanding of the concepts described and tools

Re: [time-nuts] Lucent RFTG-u REF0-REF1 cable

Hi At some very basic level, the GPSDO needs to decide when to go into or come out of holdover. That decision often involves initial setup of the GPS module and subsequent monitoring of the module. The risk in swapping modules is always tripping over an obscure IF statement somewhere that does

[time-nuts] "Timekeeping today – from stars to atoms" lecture by Peter Whibberley of NPL, organised by IET.

This might interest some. It's on 6th December in London.

Re: [time-nuts] Deaf Z3801

Try: Shut off power to the GPS receiver Disconnect the GPS antenna downlead Reapply power to the GPS receiver Enter :GPS:INIT:DATE 2017,01,01 (The only space is between DATE and 2017) Reconnect the GPS antenna downlead and wait John > > On November 14, 2017 at 10:43 PM Bob Bownes

Re: [time-nuts] Deaf Z3801

> Le 15 nov. 2017 à 04:43, Bob Bownes a écrit : > > > I put my 3801 back in service the day before yesterday, or tried to. It’s > been on the shelf for about a year (off). > > I powered it up, and while it sees a few sats, it will not acquire any. > Changing to a known