Original message
>From : hmur...@megapathdsl.net
Date : 21/10/2017 - 7:49 am (GMTDT)
To : g...@rellim.com
Cc : time-nuts@febo.com, hmur...@megapathdsl.net
Subject : Re: [time-nuts] inexpensive, black box, GPS or NTP based TTL time
capture?
>>> For under a $100 you could get a Raspberry
: Monday, January 09, 2017 11:42 AM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] What signals if any are on the unpopulated SMC pads
onthe 58503A motherboard?
On 9 January 2017 at 10:44, Roy Phillips <phill...@btinternet.com> wrote:
I would be gr
I would be grateful for an answer to this question, as I also have a an HP
58503 - is the manual for the instrument available for download ?
Thank you
Roy
-Original Message-
From: Stan
Sent: Sunday, January 08, 2017 11:18 PM
To: time-nuts@febo.com
Subject: [time-nuts] What signals
For we Europeans, British in my case, the Symmetricom GPS antennas are very
good buy – but the addition of US $60.00 for the shipping makes them rather
expensive ! – plus taxes ..
Roy
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Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com]
On Behalf Of Roy Phillips
Sent: Tuesday, 31 January 2012 10:40 a.m.
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] HP5334B with 10544 OCXO
Mark
By chance I have just today installed
cool.
Regards
Roy
-Original Message-
From: Rick Karlquist
Sent: Monday, January 30, 2012 10:43 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] HP5334B with 10544 OCXO
Roy Phillips wrote:
Mark
By chance I have just today installed a recently acquired
Randall Prentice
Stokes Valley
Lower Hutt5019
New Zealand
ZL2RJP
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com]
On Behalf Of Roy Phillips
Sent: Tuesday, 31 January 2012 10:40 a.m.
To: Discussion of precise time and frequency measurement
Subject
Mark
By chance I have just today installed a recently acquired 10554 OCXO into my
HP 5334B Counter. Its has been running for 5 hours and is yet to
stabilize - my Manual suggest that 24 hours is the required time. Despite
reading the manual, I cannot see any reference to the change over from
Chris
The HP 5335A is also worth considering and is usually reasonably priced.
Roy
-Original Message-
From: Chris Albertson
Sent: Tuesday, January 17, 2012 11:40 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] 5370A on eBay
On Tue, Jan 17, 2012 at
Joe
I have a TDS360 - - try using ACQUIRE and PEAK DETECT - - you should then
see the pulse sitting on the top of the mush - - if you then increase the
Horizontal Sweep you can see and measure the pulse.
Good luck
Roy
-Original Message-
From: Joseph Gray
Sent: Wednesday, January
Nigel
Thanks for your information. The data given by Bert seems to be getting more
sensible, and I think you will agree that of all the items that have been
purchased and discussed on Time-Nuts, this one is hands down for
confusion. One of the reasons for my trusting and buying from Bob (Fluke
Well done Bert, at last some sensible information regarding the multiplicity
of models of this Rb. I obtained my example from Fluke I for the higher
price - but he assures me that it is the RS232 programmable unit. I have not
had the opportunity to investigate it fully, but it would seem not
Nigel
Thanks for your comments - - the plot thickens. Would this indicate that
the 5 volt supply required for general internal use is obtained by an
internal Vreg. from the basic 15 volt supply - - I would guess so because
the overall current requirement would seem to be similar ? What is
--
From: Rex r...@sonic.net
Sent: Tuesday, December 20, 2011 1:10 PM
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Subject: Re: [time-nuts] Ebay FE-5680A Rb I see the price has gone up for
these
FWIW. I just
--
From: David J Taylor david-tay...@blueyonder.co.uk
Sent: Wednesday, October 12, 2011 9:32 AM
To: Time-nuts mailing list time-nuts@febo.com
Subject: [time-nuts] UK standard frequencies - where?
Folks,
I'm happy with my timekeeping, but I
Chuck
If you failed to get the Racal - don't worry, the HP is a better product
without all that aggravation that comes with doubts about the front panel
buttons that frequently fail, and the symbols that wear off. The HP 5334A
or B are a better bet, and the 5445A even better, if you can
fixing it when it's not and if you want to keep it calibrated, well, if you
have to ask... I was going to fix my 8568A up, sell it and get a
SignalHound. Somehow, the 8568 is still here!
Orin.
On Mon, Sep 26, 2011 at 3:27 AM, Roy Phillips
phill...@btinternet.comwrote:
Bert
What's your opinion
Bert
What's your opinion of the old HP8568B with its max. frequency range of
1.3 Ghz and its weight of around 100 lbs. - are the more recent instruments
that much better ?
Roy
--
From: ewkeh...@aol.com
Sent: Sunday, September 25, 2011 10:47 AM
Rob
I think this must be one of our Chinese friends !?
Roy
--
From: Rob Kimberley r...@timing-consultants.com
Sent: Wednesday, August 24, 2011 10:29 AM
To: 'Discussion of precise time and frequency measurement'
time-nuts@febo.com
Subject: Re:
Robert
This sounds like Chinese to me ?
--
From: Robert Atkinson robert8...@yahoo.co.uk
Sent: Wednesday, August 24, 2011 4:08 AM
To: undisclosed recipients:
Subject: [time-nuts] Hello
Hello
I have found a very nice shopping
Doug
I think that those seeking support for SRS equipment are wanting schematics
which I gather are not included in the available downloads. I had the same
problem with a faulty DS345, (major display failure), being refused help by
the manufacturer because I was not the original purchaser.
We have had much about wrist watches, perhaps you will forgive the rather
naughty clock (Human Clock), that is attached !
Trust you will be amused.
Roy
---BeginMessage---
---Original Message---
From: [1]Winslow, Michele
Date: 18/02/2011 08:22:53
To: [2]Ray
Sorry, I forgot to point out that by clicking on the analog clock it changes to
digital. Also - its accuracy is tied to you PC time.
Regards to all.
Roy
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Thank you David.
I would be interested in a populated/made-up PCB - - let us have a price.
Roy
--
From: David C. Partridge david.partri...@dsl.pipex.com
Sent: Sunday, March 21, 2010 10:44 PM
To: 'Discussion of precise time and frequency
Hello David
Thanks for the email/confirmation.
Keep me informed.
Regards
Roy
--
From: Roy Phillips phill...@btinternet.com
Sent: Thursday, March 18, 2010 10:42 AM
To: david.partri...@perdrix.co.uk; Discussion of precise time and
frequency
Hello David
I would also like to order the PCB at the price of £14.50 plus delivery.
Thank you.
Roy Phillips.
--
From: David C. Partridge david.partri...@dsl.pipex.com
Sent: Wednesday, March 17, 2010 6:28 PM
To: teksco...@yahoogroups.com; tekscop
Paul
I have a professionally manufactured Rb Frequency Standard which is a 19
inch 1U rack mounted unit. It contains the Datum Rb. unit and a 24 volt, 2
amp. linear PSU, plus two small interface PCB's. only. This is currently
free standing (not in a rack). After a while the 1U cabinet runs
Hi Jim
This would appear to be a faulty unit, I also purchased the same unit from
Bob Mokia two weeks ago and its performing very well. It gives a frequency
of 10.000,000,005 Mhz.
One very obvious fault is the BITE voltage - - this should initially be 4.5
volts, which falls to less than 30
Fellow time-nuts
I would appreciate your opinions on the advisability, or otherwise for the
following project.
I have a 19 rack (2U) unit that I have used to install a Datum Rb. unit and a
suitable 24 V DC supply, and there remains sufficient space to accommodate my
Thunderbolt and its PSU. Is
Hi Nick
Is it possible to let us have the schematic/details of this SC Magazine
Voltage Reference project, thanks
Roy
--
From: Nic McLean mcle...@bigpond.com
Sent: Tuesday, January 12, 2010 3:12 AM
To: 'Discussion of precise time and frequency
Give it to them Nigel . . . . .
Roy
--
From: gandal...@aol.com
Sent: Friday, December 11, 2009 11:47 PM
To: time-nuts@febo.com
Subject: Re: [time-nuts] Beginner's time reference
In a message dated 11/12/2009 21:47:28 GMT Standard Time,
Jan
This saga will never end - I have a Solartron 7060 which would appear to
have a different manufacturers IEC input socket/ ac filter, and to date,
after many hours running it has not produced the essence. So, I guess its
down to the manufacturer of the input filter in (all ?) the 7150's
Hello Said
What is the title / details of the book that you refer too ?
Thanks
Roy
- Original Message -
From: saidj...@aol.com
To: time-nuts@febo.com
Sent: Wednesday, November 18, 2009 11:01 PM
Subject: Re: [time-nuts] MTBF (was Rubidium standard)
Hi Alan,
I am reading a book about
Glenn
I understand that manufactures may state that a Rubidium unit is good for
ten years, but they do not necessarily support this claim with their
warranties, which at best are for three years, and most are one year only.
It seems that ten years of working life is likely, and perhaps this is
Robert
I would be very interested, and would prefer to have the without case
version'
Thanks
Roy
- Original Message -
From: Robert Darlington rdarling...@gmail.com
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Wednesday, October 28, 2009 1:47 AM
Hi Joe
I have a similar problem so I would be pleased to hear from you with any
useful information. The basic problem with mine is that the power supply is
suspect - it works, but there is excessive heat, much greater than any other
HP instrument that I have, from the rear mounted heat-sink,
significantly cooler. The models that run so hot to the touch are the
5370A/B, 5359A, and many of the legacy HP pulse generators (from Boblingen
Division).
- Original Message -
From: Roy Phillips phill...@btinternet.com
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Amen to your last paragraph.
Roy
- Original Message -
From: Poul-Henning Kamp p...@phk.freebsd.dk
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Friday, October 02, 2009 9:34 AM
Subject: Re: [time-nuts] [OT] GPS from a window seat
In message
Joe
I would suggest that you could consider one of the Garmin GPS 16/17 models,
that have been offered by Fluke1(China) at a sensible price. I have a GPS
16HVS which is performing very well just sitting on a window-sill (facing
North), this offers a 1pps timing signal. It requires between 8.0
Nigel
Do you know if the Solartron 7060 (I think of the same vintage), has the
same problem ?
Roy
- Original Message -
From: gandal...@aol.com
To: time-nuts@febo.com
Sent: Wednesday, September 23, 2009 10:49 PM
Subject: Re: [time-nuts] Solartron 7150plus DMM Failure
In a message
Its certainly not restricted to the Solartron 7150, I have had the same result
with an HP 436A (late model) which has an open power line filter wired
directly to the IEC power line socket, and its the Rifa 250 volt AC rated
capacitor, which sits across the power line that fails in a very
John
Interesting stuff - -
I'm not anti Racal, in fact I have a Racal T F Mainframe, fed by a Trimble
NTX, and the TF Mainframe is very well made and performs in an excellent
manner. But, - - - Racal 19## Counters are something else - - I got rid of
mine some years back, not only the
Nigel
I must say that much of what you have stated is right, I have a 53131A
counter and the basic time-base is a joke, but agreed, we mostly use a
common external reference with our instruments.
There are some exceptions, as I am finding with a very recently purchased
HP 8657A Sig. Gen. that
Tim
I have recently acquired a 5370B and find your comments of interest. So in
addition, what was the intention of designing the mother-board to have no
less than three additional (and in my case,unused) pcb slots following the
uP and Display interface, marked ROM, MEM(optional) and
Don
I have always wanted a 3458A - but I am amazed at the number of faults you
fellows are encountering with this instrument - -this must make it a very
hazardous purchase, in particular from a private source !! I have both 3456
3457, which for some years have been faultless - maybe because
abcde
- Original Message -
From: Roy Phillips phill...@btinternet.com
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Tuesday, July 21, 2009 12:04 PM
Subject: Re: [time-nuts] Where does 28V come from?
Hal
I think you will find that 28 volts DC
Didier
Your comments regarding SMPS are very valid, but there are SMPS designs and
then some !
I bought a Wavetek 395 Function Generator with a totally blown up SMPS for
approx $100. I attempted to repair this unit but the PCB was badly
damaged/burned and one 8-pin Dil device was blown to bits
Bob
I bought the HP 5335A with missing power ON/OFF button (I'm still looking
for one to replace it), but otherwise it was in excellent order. This was
offered by a Military Surplus dealer in the UK, and I bought it for UK £102
(? US $150). Some of the up-market dealers are offering this model
Joe and others
I would recommend using a linear PSU, I have some made by a Company called
Lascar (perhaps a different name in the States). These are not much larger
than the Thunderbolt itself with a little more height. They have three
separate VS./Rags, 5 volts and +15/-15 volt supplies of
Alan
The Cathodeon Company was part of Pye of Cambridge, which in turn became
part of Philips. I understand that nothing has survived of the old Pye
Group, so it may be difficult to obtain any new data.
Roy
- Original Message -
From: Alan Melia alan.me...@btinternet.com
To:
Hello Pierre-François
A point of personal interest in your email - - The noise of the fan in the
5070B, this would appear to be a problem with a number of the older items of
Hewlett Packard, and other manufacturers.
The items are usually fitted with a Papst fan,with a high throughput of air
Magnus
One issue is that the SR620 is still in production.
Thus obtaining spare parts may be a little easier than for the HP5370A.
Bruce
Magnus Danielson wrote:
Roy Phillips skrev:
Jim
I was interested to hear that you are very fond of your vintage
Counter (HP5370B), and I have downloaded
Mark
Thanks for your comments. I suspect that there was a period when the Papst
fan was the de facto standard in many equipments, it has considerable depth
and obviously moves a lot of air. I can certainly see the need in the case
of Power Supplies, I have an HP6632A which can provide 100
Jim
I was interested to hear that you are very fond of your vintage Counter
(HP5370B), and I have downloaded the manual from the Agilent website.
I recently purchased an HP 5335A, again a vintage model, and I have yet to
assess it completely - is the 5370B much superior ? The facilities on
Pete
Thanks for the information.
Regards
Roy
- Original Message -
From: Pete peteraw...@earthlink.net
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Tuesday, May 19, 2009 3:27 PM
Subject: Re: [time-nuts] HP 5370B vs SR620
Roy,
The 5370s have a
Lasse Richard
Further to your discussions regarding interfacing the Jupiter TU60-D120.
There would seem to be a number of varieties of these units which one would
expect to find some common interface connections and software control, but I
gather this is not the case.
I am currently trying to
Re..the Fluke manual downloads - - try the Australian Fluke website - - they
have the best selection of all.
Roy
- Original Message -
From: Chuck Harris cfhar...@erols.com
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Sunday, March 22, 2009 9:35 PM
Philip
You will also find the 05372-90001 is on offer at the Agilent site - has
this been added since your last visit ?
Roy
- Original Message -
From: Philip Freidin phi...@fliptronics.com
To: time-nuts@febo.com
Sent: Tuesday, January 27, 2009 2:44 AM
Subject: [time-nuts] Looking for
/NortelGPS unit working with GPS lock, with the Lucent antenna standing
in a glass jar in a north facing window (4 feet from ground level !) .
Propagation is certainly a very complex matter.
Roy Phillips
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Hal
Thanks for your kind help. You are certainly right about the PECL level
signals from the I/O connector, but this is where the similarity stops, as
the Trimble unit is to all intents a substitute for the Z3801A, but
internally its quite different. In the interests of costs, it would seem
and is producing its 10 MHz output with
very good accuracy, but I am looking forward to seeing it through its
interface with TBolt Mon.
Thanks
Roy Phillips
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any
information on this item.
Thank you
Roy Phillips
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and follow the instructions there.
Odetics 325.
I trust I am not breaking the rules by making this suggestion, but I was
also disappointed when I failed to obtain a TBolt through TAPR when the
offers were made.
Roy Phillips
- Original Message -
From: David M. Witten II [EMAIL PROTECTED]
To: time-nuts@febo.com; [EMAIL
the opportunity to
obtain one. Perhaps there are others who would like to add there names if it is
possible ? If not, can you suggest an alternative source?
Best regards
Roy Phillips
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Bill
A very big thank you for what must be a near perfect (accurate) answer to a
question that most of us without Degrees have pondered from time to time. I
shall paste this into my book of many answers
Regards
Roy Phillips.
- Original Message -
From: wje [EMAIL PROTECTED
Phil
Thanks for the information on importing a Thunderbolt into the UK. I hope
you are correct regarding the final imported price because it is usually the
case that to bring an item into the UK makes the end price in £ sterling the
equal to the US $ price in US $ !?
Best regards
Roy
. It is obviously a complete control
interface - ?oscillator and oven? . If anyone has the data on this unit I would
be most grateful for a copy, in particular the edge connector, interconnections
and set-up data.
Roy Phillips
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not remember the friendly person who
published it in the net.
The board seem to be designed to run the 10544A
but may serve as well for the 10811A.
regards
Arnold Tibus
On Wed, 28 May 2008 10:34:42 +0100, Roy Phillips wrote:
Good members
I have a 10811-60111 Crystal Osc. which is attached
- Original Message -
From: Palfreyman, Jim L [EMAIL PROTECTED]
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Sunday, May 11, 2008 1:18 PM
Subject: Re: [time-nuts] HP/Agilent 5065A Rubidium Vapour frequency standard
problem - fixed
Thanks folks for
Jim
I have just found a 10811-60111, and I am wondering if you or another member
have the complete schematic for the unit - mine has the PC board #
05328-20027, with fine adjust pot and C12 C15 - or is this the normal
format. I have not yet power it up and have noted the advice about
Hi Robert
You may remember that we exchange info on the 325 SatSyc Receivers. I remember
that you said that the PSU was a weak point with the system - you were right
on , after finding a suitable antenna and replacing the lithium battery in the
Rx., it was running sweetly for about 18 days,
them with
a standard mains input multi-output unit. I don't recall the voltages and
ratings (they were marked on the unit), but if you let me know what they
are I'll see if I have a suitable unit. email robert8rpi (at) yahoo.co.uk
Regards,
Robert G8RPI.
Roy Phillips [EMAIL PROTECTED
Glenn
Interesting to hear your problems with the Datum - I have the same problem
with an Odetics 325 - my date is the same , currently Sept 02,1988, but I am
pleased to tell you that it has no effect on the performance of the
equipment. I have the correct time and a GDOP of 1.8 and TFOM=4 . I
Lane [EMAIL PROTECTED]
To: time-nuts@febo.com
Sent: Friday, April 18, 2008 2:41 PM
Subject: Re: [time-nuts] week 1024 roll over
Hi, gang,
*** REPLY SEPARATOR ***
On 18-Apr-08 at 09:32 Roy Phillips wrote:
Glenn
Interesting to hear your problems with the Datum - I have
Rick
I am very interested in the exchange taking place with Dider Juges,
regarding the merits of the HP 5334B, and its C channel, and the ?original
A version. I currently own a 53131A with the 3 GHz Channel 3 input, but I
rather like the older HP products with their quality build, ( I have a
Dider
Very interesting stuff regarding the HP 5334A/B, and I have asked Rick if he
considers the A model to be worth picking up - I note that you have the
B version - I have an A version in sight, but would you hold out for the
B, what's your opinion ?
Roy
- Original Message -
From:
good members
What are your opinions on the usage of Rubidium Frequency Standards - in the
sense - should they be used for short periods of time (until they reach a
stable state) as a check only,or is it permissible to run them continuously?
In other words, is the lamp (which is the expensive
Hi to you all
Some short while ago I ask for help/info on the Odetics 325 - the main problem
was that I obtained mine without antenna - well I have received considerable
help from a number of members, and in particular from Rob - who solved the
antenna problem. My old 325 is now up and running
David
I have a Racal Rubidium Frequency Standard to sell - perhaps this is more
than you require - are you just seeking a ovenized Xtal Osc. ??
If you are interested let me know at [EMAIL PROTECTED]
regards
Roy
- Original Message -
From: David Hilton-Jones [EMAIL PROTECTED]
To:
that you had a 325 SatSync model. The GPStar 330
is
a different beast. Will see what I can find.
Rob
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Roy Phillips
Sent: 10 February 2008 23:46
To: Discussion of precise time and frequency measurement
coast.
Robert G8RPI.
Roy Phillips
wrote:
Gentlemen
Pleased to join you - I major in high-end test equipment, and have
recently added a couple of Watkins-Johnson Rx's -- Dual 8607 (20 - 2032
MHZ) ,and a WJ 8700 again dual LF/HF (to 32 MHZ). But I have now gathered
a couple of items
Gentlemen
Pleased to join you - I major in high-end test equipment, and have recently
added a couple of Watkins-Johnson Rx's -- Dual 8607 (20 - 2032 MHZ) ,and a WJ
8700 again dual LF/HF (to 32 MHZ). But I have now gathered a couple of items of
Time Frequency . The first one is a Radio Code
.
-Original Message-
From: Roy Phillips [EMAIL PROTECTED]
To: Discussion of precise time and frequency measurement
time-nuts@febo.com
Sent: Sun, 10 Feb 2008 1:19 pm
Subject: Re: [time-nuts] Odetics 325 - 865
Rob
My thanks to you - I would be very pleased to have any information
coast.
Robert G8RPI.
Roy Phillips [EMAIL PROTECTED] wrote:
Gentlemen
Pleased to join you - I major in high-end test equipment, and have
recently added a couple of Watkins-Johnson Rx's -- Dual 8607 (20 - 2032
MHZ) ,and a WJ 8700 again dual LF/HF (to 32 MHZ). But I have now gathered
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