Re: [time-nuts] SoftMark USB to GPIB converter

2016-03-02 Thread gonzo .
No - Please don't. No more of us need be burnt by that POS. Once you've bought it, you discover all you can do is send one command at a time until you buy additional software to get the DLL needed to do anything even remotely interesting. The documentation is terrible to the point the 'free'

[time-nuts] GPSCon for Jackson Labs

2016-03-02 Thread Keith Loiselle
Hello everyone, JLT is proud to announce that GPSCon is now available for free! Well at least for anyone who has a JLT GPSDO/GNSS product. GPSCon is a very well-known graphical program that allows GUI interaction with GPSDO products, adds SNTP, ftp, remote control, and email features, and

Re: [time-nuts] Serial-Ethernet

2016-03-02 Thread Joseph Gray
> And, if you have a couple of 422 devices, consider the economics of a 4-port > unit like: > > http://www.ebay.com/itm/301881123530 > > I have no affiliation with any seller, nor have I tried these specific items. > But they are inexpensive and look worthwhile. OTOH, I'm nervous about any >

Re: [time-nuts] Instrument BASIC

2016-03-02 Thread Gerhard Hoffmann
Am 02.03.2016 um 19:04 schrieb John C. Westmoreland, P.E.: Magnus, This was the best answer I got so far - I am sure this isn't what you're looking for: http://www.ebay.com/itm/HP-89441A-Vector-Signal-Analyzer-Opt-1C2-AY9-UFG-AY7-AYA-/252278222960?hash=item3abcf43070:g:uRMAAOxyNo9SojsE I have

Re: [time-nuts] Can someone ID this GPS board ?

2016-03-02 Thread paul swed
Pete absolutely it was automotive. I have one thats still operational I think in an old project. There is the gps engine in the can and some other chip as I recall has no value. Mavin I think sold them for little. I'll have to look for the data its been a while. Its protocol is definitely odd.

[time-nuts] week rollovers was Re: OT : New Horizons FEC

2016-03-02 Thread jimlux
On 3/2/16 1:52 PM, Tom Holmes wrote: While we are off topic, just wanted to note that Jim Lux was mentioned and pictured in an article in the latest CQ Magazine for being the keynote speaker at the Microwave Update (MUD) conference last fall. Thought the hams on the list would be interested.

Re: [time-nuts] SoftMark USB to GPIB converter

2016-03-02 Thread Joseph Gray
>From all accounts, the Softmark unit is pretty useless. Depending on which software you will use, you might consider a Prologix. Also, there are quite a few Agilent USB-GPIB converters on ebay. Although I understand that most of the ones selling as "new" are fakes. I ordered a "used" one. When I

Re: [time-nuts] Cheap GPSDO's

2016-03-02 Thread Keith Loiselle
Below are some comments from Said: >>The TCXO variant is powered by an LDO rather than a switcher, FWIW. The published schematics only showed the DC-to-DC switcher version, sounds like the TCXO version should have better PN and spur performance with an LDO. >>In my bench experiments with the

Re: [time-nuts] AM-FM noise

2016-03-02 Thread Magnus Danielson
Hi, On 03/02/2016 04:59 PM, KA2WEU--- via time-nuts wrote: In a message dated 2/16/2016 9:03:59 A.M. Eastern Standard Time, time-nuts@febo.com writes:. http://www.synergymwave.com/articles/2016/calculation-of-fm-and-am.pdf Interesting reading. Is this what you will present at IFCS? 73 de

[time-nuts] SoftMark USB to GPIB converter

2016-03-02 Thread John Green
I have a desire to do some data collection and storage from my Racal 1992, and I need a USB to GPIB converter. We have a National Instruments converter at work, but I want to do this at home. The SoftMark unit is considerably less expensive than the NI one. Does it work? Specifically, would it

Re: [time-nuts] Cheap GPSDO's

2016-03-02 Thread Nick Sayer via time-nuts
> On Feb 25, 2016, at 12:41 PM, Keith Loiselle wrote: > > Below is a message Said asked me to forward to the group: > > > Gents, > > > > While I haven’t posted here for a while, I have been following Time Nuts. > One recent post caught my attention, and here are

Re: [time-nuts] PRS10 and missing serail port communication

2016-03-02 Thread Mike Cook
> Le 2 mars 2016 à 15:50, Philip Zahariev via time-nuts a > écrit : > > Hello group, > > Recently obtained from eBay PRS10 marked as no-lock. Of course my first task > was to open device and see what is current state of lamp, capacitor and etc. > surrounding parts. My

Re: [time-nuts] OT : New Horizons FEC

2016-03-02 Thread Tom Holmes
While we are off topic, just wanted to note that Jim Lux was mentioned and pictured in an article in the latest CQ Magazine for being the keynote speaker at the Microwave Update (MUD) conference last fall. Thought the hams on the list would be interested. Thanks, Jim, for being more than

[time-nuts] Can someone ID this GPS board ?

2016-03-02 Thread Pete Lancashire
Another $1 wasted :-) Found a few referneces to it being for automotive use and the GPS module is made by/for JRC. Anyone have a data on the module or the board ? http://petelancashire.com/gallery/main.php?g2_itemId=5606 http://petelancashire.com/gallery/main.php?g2_itemId=5609 -pete

Re: [time-nuts] Instrument BASIC

2016-03-02 Thread Magnus Danielson
John, Currently getting a third VSA is not what I can spend my budget on. I have already got the RF-sections for the two boxes I have, and I have two T conferences to pay for. Getting a major overhaul for the summerhouse consumes most of my money. The only thing I've found is an installation

Re: [time-nuts] I am a nut

2016-03-02 Thread Gregory Muir
What is the resolution of the digital pot that sets that frequency? If I can remember the same setability issue can be seen in the 8920A. In the data sheet for this machine, HP only cites temperature and aging specs for the option 001 oscillator and states "+/- 1 Hz plus timebase accuracy" for

Re: [time-nuts] I am a nut

2016-03-02 Thread paul swed
The 3000 was free and now works after replacing a shorted black electrolytic. I am only wayyy to familiar with the old style caps. Especially the devils that are silver with a red top cap. I have many far better generators. So its useful in the backup site (Basement :-) ) as a yes a signals here.

Re: [time-nuts] PRS 10 proble

2016-03-02 Thread paul swed
Bert, On the prs 10 if you would like me to look at the bulb reheat it to see if it can be recovered let me know. Happy to do so. The risk is you can not actually get to the bulb. But I have been successful with FRS units. Regards Paul. On Wed, Mar 2, 2016 at 7:41 AM, Bert Kehren via time-nuts <

Re: [time-nuts] Instrument BASIC

2016-03-02 Thread John C. Westmoreland, P.E.
Magnus, This was the best answer I got so far - I am sure this isn't what you're looking for: http://www.ebay.com/itm/HP-89441A-Vector-Signal-Analyzer-Opt-1C2-AY9-UFG-AY7-AYA-/252278222960?hash=item3abcf43070:g:uRMAAOxyNo9SojsE I have one more person that I am waiting for an answer/suggestion

Re: [time-nuts] OT : New Horizons FEC

2016-03-02 Thread jimlux
On 3/2/16 9:18 AM, Alberto di Bene wrote: On 3/2/2016 4:30 PM, jimlux wrote: New Horizon's telecom design is here: http://www.boulder.swri.edu/~tcase/NH%20RF%20Telecom%20Sys%20ID1369%20FINAL_Deboy.pdf ... Jim, thanks. Quite a lot of material to

Re: [time-nuts] I am a nut

2016-03-02 Thread Chuck Harris
Speaking of Wavetek 3000's: They are choc-O-block full of axial leaded electrolytic capacitors made in Mexico. Sad to report that they will most all be bad at this point. Their failure is in the rubber seal for the positive terminal. It allows the capacitor to dry out rendering its bulk

Re: [time-nuts] OT : New Horizons FEC

2016-03-02 Thread Alberto di Bene
On 3/2/2016 4:30 PM, jimlux wrote: New Horizon's telecom design is here: http://www.boulder.swri.edu/~tcase/NH%20RF%20Telecom%20Sys%20ID1369%20FINAL_Deboy.pdf ... Jim, thanks. Quite a lot of material to read... I am sure it will be useful for a new

Re: [time-nuts] PRS 10 proble

2016-03-02 Thread Dr . Götz Romahn
Bert, moving the controller board does not work, but moving the lamp assy did work here. Am 02.03.2016 um 13:41 schrieb Bert Kehren via time-nuts: We have two PRS 10 units, one with the 1 pps disciplining circuit. Its lamp module failed. Moving the controller board to the one without the 1

[time-nuts] PRS10 and missing serail port communication

2016-03-02 Thread Philip Zahariev via time-nuts
Hello group, Recently obtained from eBay PRS10 marked as no-lock. Of course my first task was to open device and see what is current state of lamp, capacitor and etc. surrounding parts. My surprise was that all things look pretty good (of course is used). And frequency is not correct :-) Actualy

[time-nuts] AM-FM noise

2016-03-02 Thread KA2WEU--- via time-nuts
In a message dated 2/16/2016 9:03:59 A.M. Eastern Standard Time, time-nuts@febo.com writes:. http://www.synergymwave.com/articles/2016/calculation-of-fm-and-am.pdf ___ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to

Re: [time-nuts] OT : New Horizons FEC

2016-03-02 Thread jimlux
On 3/2/16 4:15 AM, Alberto di Bene wrote: Pardon me for the OT request... I know that some of you are deeply involved with space communication (may be Jim Lux ?) and I am quite curious about the Forward Error Correcting codes used in the New Horizons probe, that as of now is beyond Pluto, and

Re: [time-nuts] I am a nut

2016-03-02 Thread John Green
I don't think I would go messing with it just yet. If the reference is powered as long as it is plugged in, leave it plugged in for a couple of weeks and then check it. I adjusted the reference on an 8920 once, and best I remember, it moves in steps. I don't think I ever got it dead on. It might

[time-nuts] PRS 10 proble

2016-03-02 Thread Bert Kehren via time-nuts
We have two PRS 10 units, one with the 1 pps disciplining circuit. Its lamp module failed. Moving the controller board to the one without the 1 pps circuit did not work. Does any one have done the move successfully. Bert Kehren ___ time-nuts mailing

Re: [time-nuts] I am a nut

2016-03-02 Thread John Ackermann N8UR
Hi Joe -- If I was allowed only to keep two pieces of test equipment, one would be my Fluke 77 and the other my 8920! It does pretty much everything you need for AF and RF below 1GHz, though nothing quite as well as the specialized gear. The high stability oscillator is very good. I've

[time-nuts] OT : New Horizons FEC

2016-03-02 Thread Alberto di Bene
Pardon me for the OT request... I know that some of you are deeply involved with space communication (may be Jim Lux ?) and I am quite curious about the Forward Error Correcting codes used in the New Horizons probe, that as of now is beyond Pluto, and still sends correct photos with its meager