[time-nuts] Rinex Data Stream

2017-11-26 Thread Marco Cardelli
Hi All, I've a question for all the group. Ho can I obtain a Rinex Data Stream from a GPS receiver? I need to convert NMEA data? Thank you so much. Marco *Best Regards,* *Marco Cardelli - IZ5IOW* ___ time-nuts mailing list -- time-nuts@febo.c

[time-nuts] Austron 2000C, anyone?

2015-07-29 Thread Marco IK1ODO -2
Anyone has an Austron 2000C for sale? Need one for an experiment. Please offlist to ik1odo@gmail-com 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and

Re: [time-nuts] New GPSDO on EBAY From China

2014-12-29 Thread Marco IK1ODO -2
The OCXO is a Morion (Russia) MV89A. You may download a datasheet from http://www.morion.com.ru/catalog_pdf/MV89-OCXO.pdf Looks decent, stability vs. temperature and aging are "as usual". BG7TBL is a Chinese radioamateur, quite known for his designs. 73 - Ma

Re: [time-nuts] Italian Time Station on 10 MHz ?

2013-04-28 Thread Marco IK1ODO -2
o work on it, I hope that the project may go on to again hear "IBF, IBF, IBF, standard time and frequency signals from the National Electrotechnical Institute, Turin, Italy" from minutes 45 to 60 on 5 MHz ;-) Marco IK1ODO / AI4YF ___ time-

Re: [time-nuts] OT: eBay Contact Congress

2013-04-22 Thread Marco IK1ODO -2
bear your complete name and surname. If it is not clearly addressed to you (in the email text, I mean) it is a physhing attempt. Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman

Re: [time-nuts] OT - DC-10 gyros

2013-03-28 Thread Marco IK1ODO -2
Electric GA-10119 amount gyro (already opened but intact). Who has the connections for those? Marco IK1ODO ___ 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

[time-nuts] Racal 9420 OCXO schematic?

2013-02-05 Thread Marco IK1ODO -2
The subject says it all: anyone has the schematic of the Racal 9420 OCXO? A friend has one that stopped oscillating, and want to give it a try. 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] OT: Question on dead HP34401

2012-12-11 Thread Marco IK1ODO -2
At 21:40 11/12/2012, you wrote: Two comments the manuals available on agilent What on earth is a crossguard? Data exchange between a floating, guarded circuit and a ground referenced one? Marco IK1ODO ___ time-nuts mailing list -- time-nuts

[time-nuts] Oscillator coupling

2012-10-05 Thread Marco IK1ODO -2
Very nice experiment on oscillator coupling: http://blogs.discovermagazine.com/cosmicvariance/2012/10/01/you-are-getting-sleeepy/ Quite time-nuts style, I would say. Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe

[time-nuts] GPS jamming exercise

2012-05-08 Thread Marco IK1ODO
Just read in GPSWorld magazine. http://www.gpsworld.com/gnss-system/news/massive-gps-jamming-attack-north-korea-12948?utm_source=GPS&utm_medium=email&utm_campaign=navigate_05_08_2012&utm_content=massive-gps-jamming-attack-north-korea-12948 73 -

Re: [time-nuts] Anyone from Italy here ?

2012-05-02 Thread Marco IK1ODO
e have to obey. Accounting for the sale to a private customer outside Italy may be a nightmare. 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and

Re: [time-nuts] An interesting freq counter

2012-05-01 Thread Marco IK1ODO -2
At 02:46 01-05-12, you wrote: that is awesome! with "Transistorized Binary Unit" and up to 1.1 megacycles. wow! Hand made, one by one, on Veroboard... sigh... Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscr

Re: [time-nuts] General Technology Corp model 304b

2012-04-29 Thread Marco IK1ODO
dismounted the Rb cell, since it works... ;-) 73 - Marco IK1ODO ___ 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] Austron 2000C Loran C Receiver

2012-03-04 Thread Marco IK1ODO
s not, I don't know the Raynav. I see the Russian Chayka chains here. Marco IK1ODO ___ 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] Neutrinos not so fast? (defectove connector)

2012-02-22 Thread Marco IK1ODO -2
sorry for previous message in Italian, had to be a personal one :-) Marco IK1ODO ___ 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] Neutrinos not so fast? (defectove connector)

2012-02-22 Thread Marco IK1ODO -2
02/22/news/neutrini_pi_veloci_della_luce_era_un_problema_strumentale-868358/ e http://battiston-lescienze.blogautore.espresso.repubblica.it/2012/02/22/riecco-i-neutrini-probabilmente-piu-lenti/ Dovrebbero dire qualcosa di ufficiale oggi. Comunque l'errore di trigger dovuto allo slope del segnale purtroppo mi sembra credibile.

[time-nuts] Neutrinos not so fast? (defectove connector)

2012-02-22 Thread Marco IK1ODO
w data, however, will be needed to confirm this hypothesis. Well, timenuts friends, how may a fiberoptic bad connection explain 60 ns? Hmm. Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.f

Re: [time-nuts] How best to exchange Large files?

2012-02-20 Thread Marco IK1ODO -2
thing, I'm just looking for an easy, temporary way (say lasting up to a week each) to transfer a few big files that are too large to email. Suggestions anyone? Thanks ws Use a dropbox. Easy to use, and free. I just sent a 2.3 GB data file to a friend. Took half a day to upload, of co

Re: [time-nuts] Literature on low noise and HF electronics

2012-02-11 Thread Marco IK1ODO -2
. Marco IK1ODO ___ 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] New Rubidium Frequency Standard Group

2012-02-02 Thread Marco IK1ODO -2
No new groups please, the Rb thread is interesting for time-nuts, and I don't see the need. 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and f

Re: [time-nuts] HBG clocks

2012-01-01 Thread Marco IK1ODO
At 18:20 01/01/2012, you wrote: Marco, I have had an HBG-controlled clock for some years. Hi Murray, thanks for info - never saw it ! 73, Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com

Re: [time-nuts] HBG keeps transmitting...

2012-01-01 Thread Marco IK1ODO
DCF. Must ask some Swiss friend. HNY - 73 Marco IK1ODO ___ 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] Ebay FE-5680A Rb: Are they that good?

2011-12-09 Thread Marco IK1ODO -2
very expensive (then and now) piece. The problem there was to limit the impulse bandwidth of the frontend, harmonic response was not a concern. In general, if you want to reliably measure harmonics with a S/A, you have to cancel the fundamental, either with a notch or low pass filter. 73 - Marco I

Re: [time-nuts] Ebay FE-5680A Rb: Are they that good?

2011-12-09 Thread Marco IK1ODO -2
At 14:21 09-12-11, you wrote: Marco Think you are correct for most things we do. However in communications for mixing and such a sine wave is desirable and a very clean output to minimize things like IMD and other products as we get the 10 MC to its final frequency. Since you are a ham you may

Re: [time-nuts] Ebay FE-5680A Rb: Are they that good?

2011-12-09 Thread Marco IK1ODO -2
contents: who cares about having the 2nd harmonic at -30 or -50 dB? For any practical use one has to square the signal, and the original harmonic content is of no pratical interest, or I am missing something ... 73 - Marco IK1ODO / AI4YF ___ time-nuts

Re: [time-nuts] Those pesky Neutrinos again...

2011-11-21 Thread Marco IK1ODO -2
nel :-)) then the speed in the fiber will be lower than c, due to the refraction index. So, in any case a synchronization system is needed, and it is not necessary to run a straight fiber. 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.

[time-nuts] 10k year clock

2011-11-10 Thread Marco IK1ODO -2
You all there probably already know, but ... very interesting, IMHO. http://spectrum.ieee.org/geek-life/profiles/engineering-the-10-000year-clock/0 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] What's "dBic" on GPS antenna gain figures?

2011-11-03 Thread Marco IK1ODO -2
" is valid only for linearly polarized ones. 73 - Marco IK1ODO ___ 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] the care and feeding of LPRO's

2011-10-07 Thread Marco IK1ODO -2
(I use an universal portable PC PS, the variety that may be programmed by means of a resistor in a plug) and an heat sink they are happy. Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-b

Re: [time-nuts] OT: UK - NOTIFICATION OF GPS JAMMING EXERCISES

2011-10-06 Thread Marco IK1ODO -2
At 16:25 06-10-11, you wrote: So they are deploying LightSquared? :) Possibly testing for impact of ... ? "Mala tempora currunt" ! 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.fe

Re: [time-nuts] GPS Interference Question

2011-09-30 Thread Marco IK1ODO -2
be happy? I think that a new antenna/filter/amplifier unit would be ok. But the problem is the installed base of receivers, including all those costly units used for geodesy or navigation, that have embedded antennas. Those will be hard to modify. 73 - Marco IK1ODO

Re: [time-nuts] Happy 10th birthday, time-nuts

2011-09-27 Thread Marco IK1ODO -2
Tom, many thanks to you and John for starting and supporting this list. It is one of the best I know, with a very good S/N, and a lot of competent people. Honestly, I have no idea on how to improve it :-) - IMHO it is perfect as is. Marco IK1ODO

Re: [time-nuts] Any thoughts on best rubidium?

2011-09-26 Thread Marco IK1ODO -2
At 15:55 26-09-11, you wrote: Hello, It is here: http://www.testequipmentplus.com/LCD85662H.html Regards, Javier But, as others pointed out in hp_agilent_equipment group, the replacement LCD lacks the resolution of the original vector-graphic CRT. Marco IK1ODO

Re: [time-nuts] Prologix GPIB adapter w/Tektronix TDS320

2011-09-09 Thread Marco IK1ODO
of plotting in 7470A style. Possibly (not tried) you may export a print in .PS or bitmap format, and save the file with a terminal emulator program. 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.f

[time-nuts] Best Cs in the world ?

2011-09-06 Thread Marco IK1ODO -2
K's caesium fountain clock , NPL-CsF2, by reducing the uncertainty to 2.3 x 10-16 -- the lowest value for any primary national standard so far." http://www.rfglobalnet.com/article.mvc/Atomic-Clock-With-The-Worlds-Best-Long-Term-0001?sectionCode=News&templateCode=SponsorHeader&us

Re: [time-nuts] European LORAN-C

2011-07-27 Thread Marco IK1ODO
t was cancelled. The extimated cost of the transmitting tubes (mainly old glass triodes by ITT), to be purchased to restore the transmitters and have a reserve for the network, was then approx 1 million Euro. So, R.I.P. chain 7990 :-( 73 - Marco IK1ODO _

Re: [time-nuts] Anyone know what this counter is?

2011-07-15 Thread Marco IK1ODO -2
73 - Marco IK1ODO ___ 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] Defective Z3801 and strange PS board

2011-07-10 Thread Marco IK1ODO
the second block of DC/DCs. 73 - Marco IK1ODO ___ 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] Defective Z3801 and strange PS board

2011-07-09 Thread Marco IK1ODO
thanks to Didier for hosting all the good things. Vy 73 - Marco IK1ODO / AI4YF ___ 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.

[time-nuts] Defective Z3801 and strange PS board

2011-07-09 Thread Marco IK1ODO
it, powering directly the no. 2 and 3 from 48V, and all works again. The questions are: does a schematic for that board exist? Anyone knows why such a complex power supply architecture was adopted? It is not very energy-efficient, all those DC-DC run hot. 73 - Marco IK1ODO / AI4YF

Re: [time-nuts] General questions on 8510C network analyzers

2011-07-04 Thread Marco IK1ODO
rhaps prefer off-lists responses. Thank you very much! Best regards, Javier Javier, there have been several discussions on hp_agilent_equipment list about the 8510. What do you want to know? Marco IK1ODO ___ time-nuts mailing list -- time-nuts@feb

Re: [time-nuts] transformers.

2011-06-27 Thread Marco IK1ODO
, yesterday at Friedrichshafen fair the nominal 230 V was close to 250, and some test equipment seller had power supply problems. Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman

Re: [time-nuts] Completely OT: Removing electrolytics of leaking capacitors from a pcb

2011-01-19 Thread Marco IK1ODO
the corrosion comes from beyond. If this is the case I try to get clean copper by gentle brushing, to expose the damaged area. Once I found eroded tracks under an apparently good resist layer. Marco IK1ODO ___ time-nuts mailing list -- time-nuts

Re: [time-nuts] Us Time Nuts and... Wrist Watches.

2010-12-24 Thread Marco IK1ODO
Adams, The Hitchhiker's Guide to the Galaxy 42! (that may be the answer to the quest for the ultimate precise clock, who knows) 73 and Merry Christmas to the group - Marco "Zaphod" IK1ODO ___ time-nuts mailing list -- time-nuts@febo.

[time-nuts] pm - re: Dallas NV-SRAM replacement? (in 3458A)

2010-06-08 Thread Marco IK1ODO
. You can read out the memory with the undocumented "MREAD" command, but the CALRAM is protected by various tricks, so you cannot just use the MWRITE command to restore it. So, have you read the RAM with an eprom-programmer, and then rewrote them, or simply replaced? Marco

[time-nuts] Dallas NV-SRAM replacement? (in 3458A)

2010-06-08 Thread Marco IK1ODO -2
modern component? Also, of course it would be a good idea to read and save the contents of the SRAMs before replacing, but... is any custom data in them that cannot be rewritten with a complete recalibration? Possibly this argument has been discussed before, but I don't remember. Marco I

Re: [time-nuts] Test - RYRYRY

2010-06-01 Thread Marco IK1ODO -2
At 08:32 01-06-10, you wrote: was that 45.45 or 50 Baud? Robert G8RPI. But it was not Baudot, by sure... :-) ZHC? ZRO? VVV DE IK1ODO TESTING ... ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/ma

[time-nuts] Thorium clock?

2010-05-31 Thread Marco IK1ODO
An interesting article on a possible nuclear (not atomic!) clock: http://physicsworld.com/cws/article/news/42813 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo

Re: [time-nuts] get them while they are hot - 9! 5061s

2010-05-29 Thread Marco IK1ODO
At 16:18 29/05/2010, you wrote: Frankly I'm not sure. I have never bid. I should have included the link. http://gsaauctions.gov/gsaauctions/aucitdsc/ In any case it's over, it finished on the 27th, won at $3,910 Marco IK1ODO ___ time-nu

[time-nuts] FE-5682A data?

2010-05-05 Thread Marco IK1ODO
Anyone has a data sheet for the FEI FE-5682A? Just got one, and it seems a modified FE-5680. But it would be fine to have a real data sheet. Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com

Re: [time-nuts] HP 104AR

2010-04-19 Thread Marco IK1ODO -2
At 18:33 19-04-10, you wrote: The 103AR manual is available for download at the to-way.com Web site under test Equipment Manuals--HP Had K7MLR Thanks! Just downloaded. Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe

Re: [time-nuts] HP 104AR

2010-04-19 Thread Marco IK1ODO -2
sitting on a shelf are a pity :-) The Agilent web site does not know what a 104AR was... :-D Marco IK1ODO ___ 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 in

[time-nuts] HP 104AR

2010-04-19 Thread Marco IK1ODO -2
Hi all, just got a very nice HP 104AR (1963 vintage) for my collection. It seems to work, but... anyone has a manual in PDF, ot at least a schematic ? 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] nubie querie (Earth Venus Earth, done!)

2010-03-11 Thread Marco IK1ODO
73 - Marco IK1ODO ___ 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] Advice on TRACOR 527E

2010-03-07 Thread Marco IK1ODO
At 16.19 07/03/2010, you wrote: ... Tracor Instruments Austin changes name to Tremetrics ... Thanks for info! So my 527E is newer than Tracor units :-) Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https

Re: [time-nuts] Advice on TRACOR 527E

2010-03-07 Thread Marco IK1ODO
? It works, but the digital display is intermittent. Guess I have to replace it with a good old analog meter... 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time

Re: [time-nuts] Advice on TRACOR 527E

2010-03-07 Thread Marco IK1ODO
ignal, but prefers a 5 MHz reference - it has less noise. Marco IK1ODO ___ 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] Advice on TRACOR 527E

2010-03-07 Thread Marco IK1ODO
d with a strip chart recorder (or, better, a data logger) to compare phase between oscillators. 73 - Marco IK1ODO / AI4YF ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and fol

Re: [time-nuts] Are the days of buying a crystal numbered?

2010-02-22 Thread Marco IK1ODO -2
10^9, and is spectrally very clean. I expected it to be much worse :-) - I may post some plots, if anyone is interested. Then see http://www.mydarc.de/dg8saq/SI570/index.shtml and http://www.sdr-kits.net/USB/USB_Description.html 73 - Marco I

Re: [time-nuts] Loran C sounds

2010-02-14 Thread Marco IK1ODO
there... personal cost, infrastructure, masts... are much higher. 73 - Marco IK1ODO ___ 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.

[time-nuts] CTS TCXO

2010-02-10 Thread Marco IK1ODO
Hi all, I have a CTS Knights TCXO, P/N 970-3832-0. Frequency is 10 MHz. Anyone knows the working voltage? Date code is from 1987, too old for Internet :-) 73 - Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] EFRATOM LPRO-101

2010-02-02 Thread Marco IK1ODO
erall, IMHO. 73 - Marco IK1ODO At 22.08 02/02/2010, you wrote: Hello all. I received an EFRATOM LPRO-101 last week from eBay Fluke 1, and wired it up last night. The results are not good. Using a HP 5370B counter with calibration less than one year old, the frequency reads = 10,000,146,

Re: [time-nuts] Test Equipment

2010-01-21 Thread Marco Garelli
but perhaps it's not fair to compare them with my HP 8510B...) Oh, yes... one thing more: a PC with a National Instruments GPIB board if you plan to automate your measurements. Good luck Marco Garelli, AI4YH ___ time-nuts mailing list -- time-n

Re: [time-nuts] Funky smell from Z3801

2009-12-01 Thread Marco IK1ODO
there are 3801 gurus here so, is this something that happens? A tantalium cap, I guess :-) Marco IK1ODO ___ 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 instruc

Re: [time-nuts] Rubidium standard

2009-11-23 Thread Marco A. Ferra
I was told by a Technical Support Engineer from Symmetricom Global Services that "The typical life span is ~10 years for these Rubidium Time Bases". This is in response to my request for information on a Ball/Efratom PTB-100. Is this a typical life span of a rubidium standard? We had a guy

Re: [time-nuts] 10 MHz -> 1 pps divider?

2009-10-27 Thread Marco IK1ODO
At 21.46 27/10/2009, you wrote: Check out the TADD-2 which does just that -- http://www.tapr.org/kits_tadd-2.html John Hello John, probably the TADD-2 will be just fine. I'm studying the manual. Thanks for info! Marco IK1ODO ___ time

[time-nuts] 10 MHz -> 1 pps divider?

2009-10-27 Thread Marco IK1ODO
to design, but I don't want to reinvent the wheel here... 73 - Marco IK1ODO ___ 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] One of the strangest clocks I have ever heard...

2009-10-26 Thread Marco IK1ODO -2
At 04.49 26/10/2009, you wrote: One of the strangest clocks I have ever heard... < http://www.music.columbia.edu/~douglas/portfolio/sineclock/ > . ciao _ Elio. Oh, well... :-| interesting! :-\ Marco IK1ODO ___ time-nuts mailin

Re: [time-nuts] Adret 4101A, the DCF77 and a good antenna

2009-10-21 Thread Marco A. Ferra
- Original Message - There is a good list of time signals on the web site of the BIPM: http://www.bipm.org/jsp/en/TimeFtp.jsp?TypePub=scale#nohref in the "Time Signals" in the Scales division of the FTP server of the Time, Frequency and Gravimetry section. The most recent is dated 2008.

[time-nuts] Adret 4101A, the DCF77 and a good antenna

2009-10-20 Thread Marco A. Ferra
Hey time-nuts people, First of all, let me start by saying that I follow the time-nuts mailing list for some time and it's a great source for trading experiences. Perhaps you can help me on this one. We have in our laboratory, in Portugal (near Lisbon), an Adret 4101A Frequency Receiver Sta

Re: [time-nuts] fast freq. synthesis schemes

2009-10-14 Thread Marco IK1ODO
for those machines, even if they are 20 yr old. But they are damn fast :-) Marco IK1ODO ___ 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] Fundamental limits on performance

2009-09-13 Thread Marco IK1ODO
ll), and the time sync is obtained by code despreading. Marco IK1ODO ___ 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.

[time-nuts] 58540A, anyone ?

2009-08-26 Thread Marco IK1ODO -2
Hi all, anyone here has an HP 54540A for sale? Answers to ik1...@spin-it.com 73 - Marco IK1ODO ___ 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

Re: [time-nuts] R&S XSD-2 - help needed

2009-04-10 Thread Marco IK1ODO
At 20.23 10/04/2009, you wrote: >Do you have a picture of the unit and of the guts? Bert Kehren Miami I will take some pics and send to you tomorrow. Marco ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.

[time-nuts] R&S XSD-2 - help needed

2009-04-10 Thread Marco IK1ODO -2
wars? The volume is close to 0.5 liters, and I have not found an useful replacement for common "thermos" flasks of that size. Any help appreciated! 73 - Marco IK1ODO / AI4YF ___ time-nuts mailing list -- time-nuts@febo.com To unsubscrib

Re: [time-nuts] beryllium oxide

2009-01-16 Thread Marco IK1ODO
d pass as Al? > >-Dave Exactly as Al. White, hard ceramic. May be colored, but also allumina may be pink or violet (see Russian power tubes). Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/c

Re: [time-nuts] beryllium oxide

2009-01-16 Thread Marco IK1ODO
of any beryllia in them. Marco IK1ODO / AI4YF ___ 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] 10 MHz over optical fiber?

2008-11-24 Thread Marco IK1ODO -2
Thanks to all for the quick answers and all the info. As usual, time-nuts is a great resource :-) Marco IK1ODO ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow

Re: [time-nuts] 10 MHz over optical fiber?

2008-11-24 Thread Marco IK1ODO -2
ay RG-400U) and a bulkhead connector in the wall of the room. > >Dave Dave, the customer wants no bulkheads and asks specifically for an optical connection. The signal will be, of course, be converted back to electrical inside the room. Marco ___

[time-nuts] 10 MHz over optical fiber?

2008-11-24 Thread Marco IK1ODO -2
. Phase noise requirements are not very stringent, and the distance is in the order of some tens of meters. Marco IK1ODO / AI4YF ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

Re: [time-nuts] Using GPS for space-based instrument

2008-11-11 Thread Marco IK1ODO -2
tml - the amount of information to digest before putting a GPS receiver on a spacecraft is huge. Marco ___ 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] Naive question on WWW stations

2008-09-26 Thread Marco IK1ODO -2
nd RID, "Currently off the air due to budget cut" ) at http://www.irkutsk.com/radio/tis.htm. 73 - Marco IK1ODO / AI4YF ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

Re: [time-nuts] Re Frequency divider design critique request

2008-07-11 Thread Marco IK1ODO -2
ttp://en.wikipedia.org/wiki/Conway%27s_Game_of_Life . Fascinating (to me) as it was 27 years ago. Sorry for the OT! 73 - Marco IK1ODO / AI4YF ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listi

Re: [time-nuts] GPS and national standards in frequency

2008-03-25 Thread Marco A. Ferra
Thanks Mike, I'll give it a close look. Sincere regards, Marco -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mike S Sent: terça-feira, 25 de Março de 2008 1:53 To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] GP

[time-nuts] GPS and national standards in frequency

2008-03-24 Thread Marco A. Ferra
Dear time-nuts My name is Marco Ferra. I'm doing research on an electrical metrology laboratory in Portugal, and I'm conducting a study on how to establish tracebility to frequency using one (or more) GPSDO's. I came across febo.com's site and this mailing list after search

Re: [time-nuts] WIRED Time Nuts

2007-12-11 Thread Marco IK1ODO -2
At 08.20 11/12/2007, you wrote: >Hi John & Rick, > >Looks like Quinn's WIRED magazine time-nuts article was just released... Very nice article. A lot of mad guys out there :-) ! 73 - Marco IK1ODO / AI4YF ___ time-nuts mailing

Re: [time-nuts] Super stable BVA Quartz resonators... BVA??

2007-12-09 Thread Marco IK1ODO
At 17.58 09/12/2007, Bernd wrote: >Thanks, Marco. I have the unit in my QRL lab, so I can take a photo only >by tomorrow. Ok, good. There are triax connectors with three and two bayonets around - ask Keithley... they have used both types. Or it may be something else, HI. 73 - Marco

Re: [time-nuts] Super stable BVA Quartz resonators... BVA??

2007-12-09 Thread Marco IK1ODO
gt; >Regards > >Bernd >DK1AG Bernd, may you send me a picture of the connector? Direct email 73 - Marco IK1ODO / AI4YF ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listin

Re: [time-nuts] Austron 2000C on EBay

2007-10-03 Thread Marco IK1ODO -2
? They were working well on the Russian Chajka chain. 73 - Marco IK1ODO / AI4YF ___ 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] E1938s

2007-08-28 Thread Marco IK1ODO -2
); SAEximRunCond expanded to false Errors-To: [EMAIL PROTECTED] RETRY At 04.17 28/08/2007, you wrote: >Just got mine and Marco Bruno's E1938s in today's mail. > >Marco: it'll go out tomorrow, unless you'd like to wait until I can run an >ADEV plot on them bo

Re: [time-nuts] 5 MHz from 10 MHz

2007-07-23 Thread Marco IK1ODO -2
4 would be just fine at 10 MHz. Metrology-grade dividers are another thing, of course. The schematic of my front-end is at http://www.spin-it.com/sdr/ik1odo_sdr1.html - use only what needed, of course :-) 73 - Marco IK1ODO - AI4YF ___ time-nuts mailing

Re: [time-nuts] Administrivia -- AOL and the "Spam" Button

2007-06-30 Thread Marco IK1ODO -2
... where does this error message come from? Sure I have not sent any "spam" msg to AOL, nor wanted to unsuscribe. Possibly a simple mail bounce? Marco IK1ODO - [EMAIL PROTECTED] ___ time-nuts mailing list time-nuts@febo.com To unsubscribe,

Re: [time-nuts] Ebay 5071A scam back again?

2007-06-26 Thread Marco IK1ODO -2
At 14.06 26/06/2007, Poul wrote: >Never buy anything from a userid that has zero feedback. ... and, in particular, if he registered to ebay just the same day! 73 - Marco IK1ODO / AI4YF ___ time-nuts mailing list time-nuts@febo.com ht

Re: [time-nuts] Government Liquidation

2007-03-19 Thread Marco
and remove it personally, or you get a lot of scrap. At least, this is true buying from Europe! Too many people involved, misdescriptions, extremely bad packaging, and so on. I bought four or five times years ago, then I had enough. The European office was managed by good people, bu

Re: [time-nuts] Bad batch of HP10811's

2007-01-17 Thread Marco
and to remain in specs for the warranty period. A bent handle may happen; if the transit damage can't be demonstrated we would have sent a new handle for free - less expensive than upsetting a customer :-) but of course this depends on company policies. Marco

Re: [time-nuts] Blackout in Europe and power line frequency jump

2006-11-09 Thread Marco
, excited by thunderstorms. The center frequency is near 7.5Hz, and the harmonics are visible. Not a real frequency standard, however :-) so sorry for the O.T. ! Marco - IK1ODO ___ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

[time-nuts] Blackout in Europe and power line frequency jump

2006-11-06 Thread Marco IK1ODO
> > >73, de ik1qfk >Renato Romero Renato told me that during the frequency jump a faint 50Hz line was still present. Possibly some part of the network that had detached from the rest, or is the Russian network not interconnected with the European Union? Marco IK1ODO ___

Re: [time-nuts] Historical HP quartz oscillator manuals available

2006-09-27 Thread Marco
e is sufficient >interest. > >Rick Karlquist N6RK Hi Rick, be sure that there is an interest. Those standards made the history of frequency standards. I would like to have a copy of the scans, when available. 73 de Marco IK1ODO ___ tim

Re: [time-nuts] FRK-L OK or too tired?

2006-09-08 Thread Marco Bruno
ds to be zeroed. Do it after a few hours of warm up, then check it for a week and zero again. It will stay in the usual +/- 1E-11 per day. If it has the EFC option, may be that the external voltage was used to correct the drift, so it may have had even a smaller drift over it's life. Marco I

[time-nuts] Z3816A - anyone?

2006-05-08 Thread Marco Bruno
Hi all, I need to purchase one Z3816A. Is there any stock left around, or some member willing to sell one? 73 - Marco IK1ODO ___ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts

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