Re: [time-nuts] 4046 replacement

correctly. Regards, Ignacio, EB4APL ___ 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] PBS, Tue evening, The Secret of Tuxedo Park

Joe, Thank you for the pointer. The regular web site don't allow the series to be viewed outside USA. 73 de Ignacio, EB4APL El 17/01/2018 a las 2:47, Joseph Gray escribió: If you want to watch this episode online, go here: http://video.unctv.org/video/3008204310 This is the UNC Public TV

Re: [time-nuts] TruePosition on the Arduino

. I'm curious about the real problem. Regards, Ignacio, EB4APL El 26/06/2017 a las 2:29, Tom Miller escribió: This is an update to discussions off list with Ben and Chris regarding using the two line, 16 character display with the Packrats software on the Arduino to control the TruePosition GPS

Re: [time-nuts] Specifications (Service manual?) for HP 00105-60xx oscillators?

testing this oscillator. I can extract the pertinent sections and schematics from the referred manuals if you think that it could be useful. Regards, Ignacio, EB4APL El 13/05/2017 a las 17:40, Ulf Kylenfall via time-nuts escribió: Gentlemen. I have the excellent manual for the 10811

Re: [time-nuts] NTGS50AA No Serial

I had a stupid problem with mine when doing some tests and I had the same symptoms and it took me several days of tests to realize the problem. The original flat cable that goes to the auxiliary board with the panel lights and the RS-232 connector has the pins reversed so if you connect the

Re: [time-nuts] NTGS50AA No Serial

I had a stupid problem with mine when doing some tests and I had the same symptoms and it took me several days of tests to realize the problem. The original flat cable that goes to the auxiliary board with the panel lights and the RS-232 connector has the pins reversed so if you connect the

Re: [time-nuts] Time Dilation tinkering

to give a lot of explanations. The use of the word "atomic" worsened things somewhat. (Memories from Apollo flights good times) Regards, Ignacio, EB4APL El 23/03/2017 a las 12:33, Bob Camp escribió: Hi Back before GPS and similar systems, hauling Cs standards on commercial aircraft

Re: [time-nuts] OT: Eagle PC CAD now Autodesk, $500/year

Graham, Thank you for your tip. Regards, Ignacio, EB4APL El 21/01/2017 a las 17:26, Graham / KE9H escribió: Your existing Eagle license should allow you to run your existing version indefinitely. I think it would be useful for a few years or so. I also think your existing license also

Re: [time-nuts] No sat positions in LH with Trimble NTBW50AA?

I'm using /rxt for my NTBW50AA and after reading your message I changed it to /rxy. I got the same problems as Pete described, so I returned to Thunderbolt mode. Regards, Ignacio, EB4APL El 05/01/2017 a las 18:41, Mark Sims escribió: The Nortel devices can talk either as a Thunderbolt

Re: [time-nuts] No sat positions in LH with Trimble NTBW50AA?

suggest you to test it using Trimble Visual Timing Studio to have a "second opinion". Regards, Ignacio, EB4APL El 05/01/2017 a las 15:25, Peter Reilley escribió: I just got my Trimble NTBW50AA GPSDO up and running with Lady Heather 5.0. However I don't see any satellite data as I

Re: [time-nuts] Version 5 wrong leap second

Mine showed 01:00:60 but it is configured to Madrid LT, so it means 00:00:60 UTC also. My receiver is a Trimble NTGS50AA, close cousin of a Tbolt. Ignacio, EBA4PL El 01/01/2017 a las 1:33, Pete Stephenson escribió: On Sun, Jan 1, 2017 at 1:28 AM, Bill Beam wrote: My LH

Re: [time-nuts] Anyone (ideally in the UK) got a spare rotary knob for the 5370B TI counter?

voltage public electricity supply systems — (Implementation of HD 472 S1). Regards, Ignacio, EB4APL El 31/12/2016 a las 11:25, Dr. David Kirkby (Kirkby Microwave Ltd) escribió: On 31 Dec 2016 02:03, "Bob Stewart" <b...@evoria.net> wrote: If you can touch the heat sink for 2

Re: [time-nuts] Ublox M8N - have I a XO or TCXO ?

. Regards, Ignacio EB4APL El 21/12/2016 a las 20:29, Mike Millen escribió: >>>> Can anyone comment on the following data, and whether they think the oscillator in "my" M8N is a XO or a TCXO ? Can you monitor the current draw from cold (ambient)? You may be able to ident

Re: [time-nuts] Trimble UCCM survey results

Elevation differences between GPS receivers usually come from the elevation reference used, i.e. from the ellipsoid or the geoid, even from the geoid being used. Regards, Ignacio , EB4APL El 20/12/2016 a las 7:28, Tom Curlee escribió: A couple of questions: I've just started using LH 5.0

Re: [time-nuts] Do reflections up/down the antenna cable cause a problem with GPS?

measurement could be more useful in this regard. Anyway, I can be wrong and if it is the case, I would like comments from the experts here. Best regards, Ignacio, EB4APL El 21/11/2016 a las 14:45, Dr. David Kirkby (Kirkby Microwave Ltd) escribió: People state it is desirable to have a GPS antenna

Re: [time-nuts] Do reflections up/down the antenna cable cause a problem with GPS?

, EB4APL El 21/11/2016 a las 14:45, Dr. David Kirkby (Kirkby Microwave Ltd) escribió: People state it is desirable to have a GPS antenna well clear of obstructions, which I believe is to stop reflections. But there is another source of reflections which I suspect could be just as problematic. Whilst

Re: [time-nuts] Man with too many clocks.

to you the information of the breakout board that I use and it includes the pinout of this unit. A caution here, some of the FE-5680 variations have different pinouts. Regards, Ignacio EB4APL El 05/11/2016 a las 2:01, Peter Reilley escribió: It is a FE-5680B. It is my understanding

Re: [time-nuts] Questions on Nortel Trimble NTBW50AA GPSTM

be synchronous with the 9.8304 MHz signal, so this is probably the cause. I still have to check with an independent 1PPS reference (a Rb one) to see if this PPS is reliable. Regards, Ignacio EB4APL El 10/08/2016 a las 21:25, Clay Autery escribió: 1) Need a 24 VDC power supply. Am considering

Re: [time-nuts] HP 5360A History?

Are you referring to the 00105-6013? I have one and its info. Ignacio, EB4APL El 15/04/2016 a las 8:31, cdel...@juno.com escribió: The oscillator used in the 5360A is the same one used in the early 105A, the 5061A and the 5065A. I just call them the 105 style oscillator. They have a 115 volt

Re: [time-nuts] Prescaler

The first reference is a board for a two stage divider. They mention that a /2 and a /5 chips can be combined, so you can make a /10 prescaler. Regards, Ignacio, EB4APL El 27/03/2016 a las 23:24, Dave M escribió: Bob Albert via time-nuts wrote: Does anyone know of an inexpensive prescaler

Re: [time-nuts] MTI 260-0624-D OCXO

be reused after repairing the part. Ignacio EB4APL El 19/02/2016 a las 18:09, time...@metachaos.net wrote: Alex, I did not take opening pictures, but there is nothing to miss. For the outside of the unopened case, there are plenty of pictures on eBay. For the actual opening process, that consisted

Re: [time-nuts] Glass Envelope Quartz Crystals

Here is a picture of one of those British made glass envelope crystals with miniature 7 pin bases. It is marked 62.500 KC/S and came from an old Marconi broadcast B/W TV sync generator. https://www.dropbox.com/s/3jtadg2c9rlc42n/Glass%20crystal.jpg?dl=0 Ignacio, EB4APL On 03/02/2016 a las 22

Re: [time-nuts] moon bounce for synchronization

We were not measuring frequency but clock offset. The frequency offset was estimated from the daily clock measurements. If I remember correctly we got .1 uS accuracy. We had several Rubidium, Cesium and later a H-maser frequency standards and we kept continuous recordings (strip charts) of the

Re: [time-nuts] moon bounce for synchronization

crossing. Counting the seconds from the minute mark + 30 up to the zero crossing we got the local clock offset. Fortunately we relied on Loran C as our main clock offset determination method until the arrival of GPS. Good old times. Ignacio, EB4APL and former DSN engineer. El 30/01/2016 a las

Re: [time-nuts] Generating a solid PPS from 10Mhz source

Hi, We are drifting from the original problem (dividing 10 MHz to 1 PPS) to general questions such as hardware vs software implementation, obsolescence of parts, program data retention and big program sizes for trivial tasks, all of them also interesting. Well, returning to the main problem

Re: [time-nuts] Einstein Special on PBS

Hi John, Thank you very much for this explanation, I found it very "explicative". What I am not able to grasp is the sense of the phrase " That second part was what really baked peoples' noodles". I think that is some colloquial but not being English my native language I can't figure out its

Re: [time-nuts] More HP5065 experiments

stating the same, does include this info both in theory of operation and schematics. If you don't have this manual at hand I can send you these info from mine. Regards, Ignacio EB4APL El 27/09/2015 a las 9:46, Poul-Henning Kamp escribió: Discovery of the day: The voltage supplied to the Rb87

Re: [time-nuts] FE-5680A pin 6?

EB4APL El 11/09/2015 a las 3:06, Nick Sayer via time-nuts wrote: I’ve acquired an eBay 5680. I’ve hooked it up to +15 and +5 and am getting 10 MHz out and the test pin is low. The unit is warm and within any reasonable expectations, it appears to be working properly. What I wonder about is pin

[time-nuts] FE-5680A commands

or at least have the command info. Regards, Ignacio EB4APL ___ 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] NTGS50AA 1 PPS mod

I uploaded the partial schematic and some other info to: https://www.dropbox.com/s/k23e3x00ypnlx67/NTGS50AA%20info.zip?dl=0 You don't need to have a dropbox account to download it, just follow the link. Regards, Ignacio El 17/06/2015 a las 3:20, EB4APL wrote: Hi, I has been making some

Re: [time-nuts] NTGS50AA 1 PPS mod

convenient for Time Nuts. Regards, Ignacio El 14/06/2015 a las 20:35, EB4APL wrote: Even if I get a cell site I would not use it for a private network, here all cell phones are GSM not CDMA. The only use for the 9.8304 MHz is as a master for deriving serial comm clocks (i.e. 9600 is 9.8304

Re: [time-nuts] NTGS50AA 1 PPS mod

or may not be in a fixed relation to GPS. I would bet money that it *is* in a fixed relation and that it’s actually better than the other signal. Just because I believe it to be true does not make it true. It needs to be checked against something else. Bob On Jun 13, 2015, at 1:56 PM, EB4APL

Re: [time-nuts] NTG550AA 1 PPS mod

. Based on what I am currently seeing from the Pi, I think the smart solution is to just ignore the offset altogether. Ed On 6/10/2015 11:30 AM, EB4APL wrote: Hi Ed, I am the one who discovered the 1PPS pulse while troubleshooting a NTG550AA. Instead of reuse the 1/2 PPS output and missing

Re: [time-nuts] NTGS50AA 1 PPS mod

the geometry, especially for satellites close to the horizon. Based on what I am currently seeing from the Pi, I think the smart solution is to just ignore the offset altogether. Ed On 6/10/2015 11:30 AM, EB4APL wrote: Hi Ed, I am the one who discovered the 1PPS pulse while troubleshooting

Re: [time-nuts] PPS for NTP Server - How Close Is Good Enough?

Hi Ed, I have started another thread under the name NTG550AA 1 PPS mod for finding the subject easier and I include here my thoughts about this modification. I am the one who discovered the 1PPS pulse while troubleshooting a NTG550AA. For me I don't imagine any future use of the X8 Chip

[time-nuts] NTG550AA 1 PPS mod

Hi Ed, I am the one who discovered the 1PPS pulse while troubleshooting a NTG550AA. Instead of reuse the 1/2 PPS output and missing this signal, my plan is to recycle the 9.8304 MHz output circuitry and connector, the circuits are almost identical. So I will cut the trace that goes from

Re: [time-nuts] pp2s? No, 1pps from a Nortel GPSTM!

Hi, I have another Thunderbolt cousin, a NTGS50AA. For a long time I desired to have 1PPS from it and even I asked this list for a cue, the responses were negative, some thought that there were no 1PPS outside the big chips. My unit developed a problem and troubleshooting it I found the

Re: [time-nuts] 00105-6013 schematic wanted

:) . Regards, Ignacio EB4APL El 05/02/2015 a las 15:10, tim...@timeok.it escribió: Hi all, I am looking for the internal schematic of the 00105-6013 OCXO mounted in the old series of the HP5065A. I have two of them not working and I would like to fix it. thanks, Luciano www.timeok.it Message

Re: [time-nuts] HP-58503A

electrolytics the less reliable electronic components today. Best regards, Ignacio EB4APL On 02/01/2015 a las 14:34, Dr. David Kirkby (Kirkby Microwave Ltd) wrote: On 1 January 2015 at 17:03, Andy Bardagjy andybarda...@gmail.com wrote: Sounds like the GPS receiver is hosed. I think

Re: [time-nuts] 1900kHz radiolcation testing on east coast US?

be discarded. I don't receive it in Spain but I'm very close to several powerful MW broadcast transmitters and they can mask the signal due to saturation. Ignacio EB4APL On 08/12/2014 a las 2:41, Chuck Harris wrote: Hi Tim, Look for a switching power supply that is fairly new, and is of the sort

[time-nuts] Test, delete

This is only for testing my new email address. Don't answer. Sorry for the BW. Ignacio ___ 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] LTE-Lite

is not a professional data source, if you want to use it por precise work they offer the option to load your own maps and images for your use , but this is not a free service. The free service and data is good for showing your favorite pub to your friends. Regards. Ignacio EB4APL On 30/11/2014 a las 19

Re: [time-nuts] LTE-Lite

maps usually agree very well with GPS, in fact they are based in GPS measured reference points these days. This comes from my limited experience, the results can be very different depending the zone and the date. Best regards, Ignacio EB4APL

Re: [time-nuts] My NTGS50AA failed

a las 13:32, Bob Camp escribió: Hi I have a Bolt that has a similar stuck EFC. In my case it’s not the OCXO either. There is some sort of failure on the inputs to the summing op amp that drives the output to the high end of the DAC’s range. Bob On Nov 13, 2014, at 9:06 PM, EB4APL eb4

Re: [time-nuts] My NTGS50AA failed

removing the oscillator but probably it must be done to clarify things. Thank you, Ignacio EB4APL . El 12/11/2014 a las 2:40, Mark Sims escribió: I have seen this caused by the oscillator not responding to the EFC signal. Fixed it by swapping in a MV-89 oscillator. The oscillators

Re: [time-nuts] My NTGS50AA failed

Charles, Thank you, I found this very enlightening. Now I have to find the 9.7 KHz pulses, no luck so far. Best regards, Ignacio El 12/11/2014 a las 7:34, Charles Steinmetz escribió: Ignacio wrote: I'm not very sure that the DAC is working, I suppose that the unit doesn't measure the

Re: [time-nuts] My NTGS50AA failed

was trying to avoid removing the oscillator but probably it must be done to clarify things. Thank you, Ignacio EB4APL . El 12/11/2014 a las 2:40, Mark Sims escribió: I have seen this caused by the oscillator not responding to the EFC signal. Fixed it by swapping in a MV-89 oscillator

[time-nuts] My NTGS50AA failed

that they are vanishing. The Guatemala's cell towers scrap has been exhausted. Regards, Ignacio EB4APL ___ 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] My NTGS50AA failed

for your suggestions, Ignacio EB4APL On 12/11/2014 a las 2:23, Bob Camp wrote: Hi Ok, the gizmo you have is pretty similar to a Thunderbolt in terms of what they did for circuits. It’s by no means identical and I have not traced either one out far enough to have a schematic. At least from the TBolt

Re: [time-nuts] My NTGS50AA failed

it on spot and the maximum control voltage of the NTGS50AA is 5 V. I was trying to avoid removing the oscillator but probably it must be done to clarify things. Thank you, Ignacio EB4APL . El 12/11/2014 a las 2:40, Mark Sims escribió: I have seen this caused by the oscillator not responding

Re: [time-nuts] My NTGS50AA failed

for disasters ... Best regards, Ignacio EB4APL El 12/11/2014 a las 2:54, Bob Camp escribió: Hi A .. I misunderstood what you were saying. As I now understand, the inputs to the DAC move around in the software, but the actual voltage out of the DAC is always stuck at 5V. The DAC (if it’s like

Re: [time-nuts] [Bulk] There seems to be something missing from this eBay item.

facility of an Air Force Base. Regards, Ignacio EB4APL On 07/11/2014 a las 2:24, Jim Lux wrote: On 11/6/14, 5:08 PM, Scott McGrath wrote: The only problem with these standards is the tube availability since they have that neat little rom which allows the standard to recognize the tube. So

Re: [time-nuts] Varian R-20 Rubidium Frequency Standard

more phase clean for this application. Later an Hydrogen Maser replaced the Cesium as the primary reference and the crystal references were removed. The MSFN used in the Apollo program used a different Frequency and Timing Subsystem. Regards, Ignacio EB4APL On 05/11/2014 a las 15:27, paul swed

Re: [time-nuts] Varian R-20 Rubidium Frequency Standard

In the Apollo era, NASA's Manned Space Flight Network tracking stations had a standard frequency rack called PFSS? which included a Varian R-20 among a couple of crystal oscillators (HP or Sulzer, I don't remember quite well) and perhaps an HP 5065A with a switching matrix, distribution

Re: [time-nuts] Varian R-20 Rubidium Frequency Standard

Hi Adrian, I found one at ebay, item #251687322849 but the crazy seller wants $249 for it. All his manuals and books are tagged with so exorbitant prices which is a shame because its commercial value is nil. Regards, Ignacio On 04/11/2014 a las 16:34, Adrian wrote: I got a nice old

Re: [time-nuts] Racal-Dana tactile switches

feel quite superior. I plan to do the same thing in my 1998 when it needs that. Good luck, Ignacio EB4APL On 05/04/2014 22:53, Jim wrote: Ulrich Bangert df6jb@... writes: Gentlemen, I know I am not the only one in this group to have difficulties with weak tactile switches on Racal-Dana's

Re: [time-nuts] Nav Receiver Sawtooth Correction?

Time Nuts supplier). An UT+ or GT+ even for quite less. Regards, Ignacio EB4APL On 21/03/2014 20:28, Bob Stewart wrote: I've gotten my PLL mostly working, but, since I'm using a nav receiver, it looks like I may want to see if I can do a poor-man's sawtooth correction based on GPS position

Re: [time-nuts] Time transfer, internationally before GPS

it was a HP Cesium with the Patek Philipe analog clock in the front conspicuously ticking. They were assured that it was not an Atomic Bomb !!!. Regards, Ignacio EB4APL On 04/03/2014 4:23, Bob Camp wrote: Hi One of the early relativity confirmation experiments was done with very similar clocks

Re: [time-nuts] How I got my FE-5680A to lock in Sydney, Australia

is not relevant, I also noticed it and that they lock when reaching 10.0 MHz in the same ramp, I don't remember if going up or down. But now that you are able to measure, what are the figures with the unit turned up and down? Regards, Ignacio EB4APL On 09/02/2014 2:57, Jamieson (Jim) Rowe wrote: Hi

Re: [time-nuts] How I got my FE-5680A to lock in Sydney, Australia

Hi, I second the idea about a mechanical issue. When I opened my FRS-C I found that one of the connector pins had never been soldered, it only made mechanical contact with the PBC. Perhaps it showed an intermittent failure and was retired with low hours. Ignacio EB4APL On 07/02/2014 3

Re: [time-nuts] Nortel GPSDO osc age alarm

EB4APL On 24/01/2014 16:23, Volker Esper wrote: ...thanks, Bob, it seems to be the oscillator, that is at it's limit, it cannot tune to 10 MHz at full EFC voltage, see new thread (started by Mark). Volker Am 24.01.2014 01:09, schrieb Bob Camp: Hi That’s a cell phone base station board. It’s got

Re: [time-nuts] Lady Heather and the NTGS50AA

for these boards when they appeared in eBay but unfortunately this version not handle the lights that are used only in there. Regards, Ignacio EB4APL On 19/01/2014 10:26, gandal...@aol.com wrote: Hi Ignacio Your mention of the lights control had me confused for a minute, probably

[time-nuts] Lady Heather and the NTGS50AA

I have a NTGS50AA working with the Lady Heather last version which incorporate support for this board (Thanks Mask Sims). When I bought the board I used the Trimble utility GPS Monitor (GPSTM Commissioning Tool V1.5) to set it up and in the way knowing that it was previously working in

Re: [time-nuts] Lady Heather and the NTGS50AA

Oops, I meant Mark Sims, sorry. Ignacio EB4APL On18/01/2014 15:27, EB4APL wrote: I have a NTGS50AA working with the Lady Heather last version which incorporate support for this board (Thanks Mask Sims). When I bought the board I used the Trimble utility GPS Monitor (GPSTM Commissioning Tool

Re: [time-nuts] Lady Heather and the NTGS50AA

or power on. Stanley - Original Message - From: EB4APL eb4...@cembreros.jazztel.es To: Discussion of precise time and frequency measurement time-nuts@febo.com Sent: Saturday, January 18, 2014 8:27 AM Subject: [time-nuts] Lady Heather and the NTGS50AA I have a NTGS50AA working

Re: [time-nuts] Lady Heather and the NTGS50AA

Hi Nigel, The GPSTM tool (The program identifies itself as GPS Monitor v 1.5, to contribute to the entropy) also gives the same errors when connected to my NTGS50AA, caused by bad programming that becomes crazy when listening to a device that sends data at 9600 Bd, but in the rare occasions

Re: [time-nuts] Schematic for the 'analog' section of an FE-5680A?

Jim, I also found my notes for other unit. It sweeps from 9.9997414 to 10.493 and also locks in 3 minutes. Regards, Ignacio EB4APL On 15/12/2013 2:26, EB4APL wrote: Jim, My unit, according to my notes, sweeps between 9.999766 MHz and 10.56 MHz and locks in 3 minutes from cold

Re: [time-nuts] Schematic for the 'analog' section of an FE-5680A?

Jim, My unit, according to my notes, sweeps between 9.999766 MHz and 10.56 MHz and locks in 3 minutes from cold start. Maybe you have to move the frequency a bit towards the low side. Regards, Ignacio EB4APL On 15/12/2013 0:27, ewkehren wrote: One thing you also should do is set

Re: [time-nuts] nortel trible NTBW50AA boards SCPI command access

Mark, I'm interested also, my board is a NTGS50AA but I think they are be compatible. Regards, Ignacio EB4APL On 13/09/2013 17:06, Don Latham wrote: Yes, please, Mark and thanks for the offer. I have one of these but haven't got to it yet. Don d'Huson Mark C. Stephens I have a couple

Re: [time-nuts] New NTBW50AA

the comm timeout counter. With this function the LED would be green as long LH is in communication with the box and would turn yellow if the program quits or the communication is lost, like when the box is installed in a cell tower. Just an idea, Ignacio EB4APL On 10/09/2013 4:31, quartz55

Re: [time-nuts] New NTBW50AA

Hi, I have a a small correction to my message, I was talking from memory. After checking with the real thing I found that 2 commands are needed: One for turning the yellow LED (Comm fault) off and other for turning the Green one (Normal) on. Ignacio EB4APL On 10/09/2013 13:47, EB4APL

Re: [time-nuts] Rb video

I bought one of these DA's from the same seller and according to the user's guide the BW is 300 MHz, fully loaded. I didn't measured it but it works very well at 10 MHz. Regards, Ignacio EB4APL On 08/08/2013 3:39, Mark C. Stephens wrote: Seems they are rated to 5MHz according

Re: [time-nuts] Nortel Trimble thunderbolt

that was unnoticed before. I had put the full story recently on this list. Regards, Ignacio EB4APL On 06/07/2013 18:56, Jim Sanford wrote: All: This is still not going well. I have tried 3 different computers, 2 running Win7 and one running XP. the XP machine successfully controls an Icom radio on the same

Re: [time-nuts] Connector For Trimble/Nortel GPSTM (NTGS50AA) ?

in the GPIB, I think) over an EIA-485 physical layer, but no mention is made of the commands used, the only thing that is clear is that indicates no communications with the CM in the last 60 seconds. Just sending anything that triggers a response could be enough. Regards, Ignacio EB4APL On 03/06

Re: [time-nuts] FE-5680A control programs

which is on this line but it do not send other commands. And I don't have any source others than the Fabio Eboli's Python scripts already mentioned. Best regards, Ignacio EB4APL On 24/05/2013 21:02, Chuck Forsberg WA7KGX N2469R wrote: I added a command to display or change the frequency offset

[time-nuts] FE-5680A control programs

to plain language. In fact I don't know if there are housekeeping commands for reading thinks like the lock status or the lamp voltage like the analog outputs of the FRS-C and others. Thanks in advance, Ignacio EB4APL ___ time-nuts mailing list

Re: [time-nuts] Precise positions for GPSDOs

and amazing product but its goal is not to make any precise measurement, and the GPS antenna position determination is in fact a surveying task. Regards, Ignacio EB4APL On 02/05/2013 17:19, Chris Albertson wrote: Google maps is NOT that good, it can be off by a lot, tens of meters. I had

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

be fake, neither how good is its time . And their use of music for filling the idle time severely interferes with legitimate time signals in these frequencies. Also, according to some local hams, the stated transmission site is faked. Best regards, Ignacio EB4APL On 28/04/2013 14:43, Iain Young

Re: [time-nuts] Brooks Shera ASM release

thank his widow for letting this to happen. I was traveling abroad when you posted the code and intermediately downloaded and secured it while at the airport. Back home now it is the time to say thank you all. Best regards, Ignacio EB4APL On 15/04/2013 21:17, ewkeh...@aol.com wrote: Alan You

Re: [time-nuts] FE-5680 frequency jump

Thank you for the info, I used to attach a magnetic mount surface thermometer to my FRS-C to check its operating temperature after installing it in a box. I think it is time to power it up and after some days check it against the GPS. Regards, Ignacio EB4APL On 05/04/2013 20:59, Bob

Re: [time-nuts] Brooks Shera

. If anybody wants the files, just ask. Best regards, Ignacio EB4APL On 24/03/2013 19:31, Chris Albertson wrote: On Sun, Mar 24, 2013 at 4:12 AM, Stephen Tompsett (G8LYB) step...@tompsett.net wrote: Here's a copy of the source package (that claims to be for version 1.28) that he sent me when I

Re: [time-nuts] Tube/valve mounted xtals....

Here you have one of these crystals, it is a 62.500 Kc/s unit used in a Marconi TV studio sync generator in the sixties. http://s1338.beta.photobucket.com/user/EB4APL/media /CAM00431R_zps07fdcbf4.jpg.html Ignacio, EB4APL El 07/03/2013 15:45, Lee Reynolds escribió: as young Nigel said

Re: [time-nuts] webcam app to watch for and time stamp changes

adjusting every watch our colleagues bought to a few seconds per month. Ignacio, EB4APL On 03/03/2013 16:29, Magnus Danielson wrote: On 03/03/2013 03:46 PM, Jim Lux wrote: On 3/3/13 1:00 AM, Poul-Henning Kamp wrote: Content-Type: text/plain; charset=ISO-8859-1 In message

Re: [time-nuts] FE 5860A breakout board

Geoff, I also bought one kit from Ian, I have the doc in PDF so I can send it to your email address. Regards, Ignacio, EB4APL On 01/03/2013 20:05, Geoff Blake wrote: Some two years back, Ian Muir (AKA Gonzo?) produced a breakout board for the FE 5860A, one of which I have. Needless to say

Re: [time-nuts] FE-5680A DDS Board/PIC Code

the two blue buttons and is essentially different from the programmable units. Its DDS is used in a very different way and the PIC program should be totally different. Regards, Ignacio, EB4APL On 18/02/2013 23:54, gandal...@aol.com wrote: In a message dated 18/02/2013 22:45:12 GMT Standard Time

[time-nuts] NTGS50AA Power supply

signal available? Of course, my unit is of ebay - China origin. Regards, Ignacio EB4APL ___ 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] NTGS50AA Power supply

for the suggestion to change the 1/2PPS to 1PPS by software, I'll try it. Regards, Ignacio EB4APL El 09/02/2013 17:54, Nathaniel Bezanson wrote: Open it up, you'll find a bridge rectifier as the first component on the incoming power. It's actually much easier to solder straight to the pins

Re: [time-nuts] NTGS50AA Power supply

1 PPS instead the current 1/2 PPS? Best regards, Ignacio EB4APL On 09/02/2013 17:50, Bob Camp wrote: Hi The most common way to design this gear is with an isolated supply. That eliminates a bunch of odd line fault issues. The easy way to check this is with an ohm meter. If it's isolated

Re: [time-nuts] NTGS50AA Power supply

transients without failure. Regards, Ignacio, EB4APL On 10/02/2013 2:17, li...@lazygranch.com wrote: Are the two diodes really back to back? I have use two in parallel to enhance the time the diodes will conducting. Due to current hogging, the diodes will effectively turn on one at a time

[time-nuts] Frequency satndard on ebay UK

Hi, Has anybody in UK noticed ebay item #140845930763 ? It reminds me the old Sulzer units, but longer. Ignacio, EB4APL ___ 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] Shera PIC Firmware file

and in 2009 was: ebs(AT)mailaps.org Best regards, Ignacio, EB4APL On 28/08/2012 7:30, WB6BNQ wrote: Hi Ron, My apologies, I got to typing and forgot to append the URL line; which is: http://www.rt66.com/~shera/index_fs.htm Sorry about that ! If you haven't already it is worth reading

Re: [time-nuts] Shera PIC Firmware file

Sorry, I meant Brooks Shera. Regards, Ignacio, EB4APL On 28/08/2012 23:20, EB4APL wrote: Hi guys, The hex file is quite outdated. In 2009 I contacted Brook Shera in order to get the source code as I wanted to build this controller and wanted to change the PIC to use a Flash one and add

Re: [time-nuts] Leap second going...

late and make a changeover between second 00 and 01 so the second 00 was 2 seconds long. Good old times ... Best regards, Ignacio, EB4APL On 01/07/2012 2:07, Dan Rae wrote: Just to say it did work with LH: dr ___ time-nuts mailing list -- time

[time-nuts] !0 MHz standard frequency intruder

? I receive it in Madrid, Spain. Regards, Ignacio, EB4APL ___ 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] Trimble/Nortel NTGS50AA GPSDO not start

is: is it necessary to make any other connections, such as strapping the mounting holes to a chassis, in order to make it start? Or maybe is my unit faulty? TIA for your help, Ignacio EB4APL ___ time-nuts mailing list -- time-nuts@febo.com

Re: [time-nuts] Trimble/Nortel NTGS50AA GPSDO not start

I'm sorry but disregard my last. I don't know what was happening before but it is running. Now to connect LH and start the fun Regards, Ignacio, EB4APL On 12/06/2012 2:01, EB4APL wrote: Hi, I received one of those boards from the usual Chinese supplier. I tried to power it up according

Re: [time-nuts] Frequency calibrator for sale ?

In contrast, the same seller tries to get $1300.0 for this coil !!! ebay Item # 200728874248 Ignacio El 09/06/2012 5:21, Mark Spencer escribió: Saw what looks like a military version of a vectron frequency standard on eBay. Item number 251075220188 The under $100.00 buy it now price

Re: [time-nuts] Thunderbolt GPS rollover

the limit. Maybe you can get a recovered sonde and use it either directly or modulating its telemetry on your radio. The receiving program SondeMonitor is licensed to amateurs by a small fee and can be downloaded free for evaluation. Ignacio, EB4APL On 07/06/2012 5:35, Robert Watzlavick.com

Re: [time-nuts] NTGS50AA, better than Thunderbolt

Well, I don't understand well what is happening. Unless I am totally wrong and bought a piece of crap, I still see $25 as the standard international shipping. I just bought one. Ignacio, EB4APL On 03/05/2012 22:33, Steve wrote: Guess I waited too long to order. $60 for shipping - I'll

Re: [time-nuts] Best location for a GPS antenna...?

. I don't remember failures in the receivers, transmitters or other subsystems, but minicomputers were the usual targets, one or two chips each time. Regards, Ignacio, EB4APL On 12/04/2012 23:21, Bob Camp wrote: Hi Do you have a reference for 100' distant strikes routinely destroying

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