erpolation technique
Scroll to the bottom of the first list, or search for 'LC tanks'
Don't know why Bruce's link doesn't work, but I get 404 - file not found.
Bill Hawkins
-Original Message-
From: Stanley Reynolds
http://risorse.dei.polimi.it/digital/pubblicati
oh well no credit for me, but what happened to the missing space when so many
other spaces made it thru as %20 ?
- Original Message
From: Hal Murray
To: Discussion of precise time and frequency measurement
Sent: Sat, August 14, 2010 8:27:09 PM
Subject: Re: [time-nuts] OT: leaching wa
My guess as to what the data may indicate is performance of the 10 Mhz 20PPM
PICTIC internal oscillator, need to repeat test with precision 10Mhz and auto
calibrate off. Fatness of the line/width maybe PICTIC error. Note graph seems
to
show me leaving the room and returning via the outside do
One problem is the door opens don't move in the same direction, a rain storm
did
cool things off outside during the test but it was still warmer outside both
times.
I will place a box over the Pictic and rerun the test.
Stanley
- Original Message
From: Stanley Reynold
, KE5FX
>
> > -Original Message-
> > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com]on
> > Behalf Of Stanley Reynolds
> > Sent: Saturday, August 14, 2010 7:12 PM
> > To: Discussion of precise time and frequency measurement
> > Sub
bject: Re: [time-nuts] PicTic Data
Here's your first run in red, compared to your second one in green...
-- john, KE5FX
> -Original Message-
> From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com]on
> Behalf Of Stanley Reynolds
> Sent: Saturday, August 14, 2
- Original Message
From: Steve Rooke
To: Discussion of precise time and frequency measurement
Sent: Sun, August 15, 2010 7:05:40 AM
Subject: Re: [time-nuts] PicTic Data
On 15 August 2010 17:01, Stanley Reynolds wrote:
> Thanks for looking at my data that was what I was fishing
Files here : www.n4iqt.com/BillRiley
removed the spaces in the file names but they are still a mix of upper and
lower
case
still checking them to make sure they are OK
Stanley
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Files here www.n4iqt.com/BillRiley
If you rename the PCB and or the SCH files you will need to relink them in the
expressPCB program. The mixer board has a netlink warning but this maybe on
purpose as it is with the ground and maybe the isolation mentioned in the notes.
Stanley
- Origina
They were very helpful to me. But cost is on the high side till you factor in
the low volume they probably have. I would be interested in your old HP stuff
:-)
Stanley
- Original Message
From: Don Latham
To: Discussion of precise time and frequency measurement
Sent: Sun, August 15,
Any interest in boards at 8 USD each as before ?
The project would require 2 or 3 pictic boards, 2 mixer boards, and 1 DDS
board.
5 boards plus shipping about 47.50 usd
Please email me off list with your interest.
I not sure if using the pictic II vs I board will present problems for the
so
From: Don Latham
To: Discussion of precise time and frequency measurement
Sent: Mon, August 16, 2010 12:56:48 AM
Subject: Re: [time-nuts] Small DMTD project PCBs Group Buy
Thank You, for the source.
This morning I have added some of the missing cost to the sp
Their forums are good source of info, I don't think the student version is
limited but you can ask there : http://forums.ni.com/
In a past life I was a programmer but found the virtual instrument hard to
understand, could be it's too easy.
CTL T which brings up two windows was one key, learning
Will place order in the next few days please email me with any suggested
changes
to the mixer or DDS boards.
Stanley
From: Stanley Reynolds
To: time-nuts@febo.com
Sent: Sun, August 15, 2010 3:14:50 PM
Subject: [time-nuts] Small DMTD project PCBs Group Buy
Synergy Motorola info here :
http://www.wa5rrn.com/GPS%20Other/Motorola%20M12/5vltb.pdf
UT+ Oncore R5xxxU Customer Specials
trimble resolution t
http://trl.trimble.com/docushare/dsweb/Get/Document-183796/13441+Resolution+FA2.pdf
http://www.dpie.com/manuals/gps/trimble/ResolutionT_072408.pd
The small DMDT uses no interpolator and a 50 Mhz derived from the 10Mhz
reference
Software just use the counter value or Interpolator gain 0
Hardware looking at page 2 of the schmatic all you need is C1,C2,C3 and U1 on
that page
do not install:
U3,U5,U8,U10
R1 - R23
C5,7,10,11,12,13,14,19,20,
hanks!
73 Brice KA8MAV
- Original Message ----- From: "Stanley Reynolds"
To: "Discussion of precise time and frequency measurement"
Sent: Wednesday, August 18, 2010 4:50 PM
Subject: [time-nuts] Small DMTD project PCBs Group Buy Update
Will place order in the next few
setup work?
Thanks,
Eric
Sent from my Banana Jr. mobile device
On Aug 18, 2010, at 1:50 PM, Stanley Reynolds
wrote:
> Will place order in the next few days please email me with any suggested
>changes
> to the mixer or DDS boards.
>
> Stanley
>
>
>
> ____
Brice KA8MAV
- Original Message -
From: "Stanley Reynolds"
To: "Discussion of precise time and frequency measurement"
Sent: Thursday, August 19, 2010 12:27 AM
Subject: Re: [time-nuts] Small DMTD project PCBs Group Buy Update
Just boards, 5 times 9.00 = $45 mailed
My crystal ball indicates the comparison is used Lpro and used Tbolt, original
poster wanted to know why expend $100 for Tbolt when Lpro is cheaper.
Stanley
From: Dan Rae
To: Discussion of precise time and frequency measurement
Sent: Thu, August 19, 2010 4
http://cgi.ebay.com/5-pcs-N-Channel-Transistor-2SK369-K369-Low-Noise-BL-/150471697656
Stanley
- Original Message
From: "ewkeh...@aol.com"
To: time-nuts@febo.com
Sent: Sat, August 21, 2010 6:07:25 AM
Subject: Re: [time-nuts] Phase noise measurement (was - no subject)
Hi
I have the Hp
Started setting up a time-nuts board at:
http://forums.n4iqt.com/modules.php?name=Forums
Need ideas for topics.
Stanley
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and
Board / Forum
Whats the reason and motive for this ?
On 8/24/2010 8:50 PM, Stanley Reynolds wrote:
> Started setting up a time-nuts board at:
>
> http://forums.n4iqt.com/modules.php?name=Forums
>
> Need ideas for topics.
>
> Stanley
>
>
the
list
> and its archives.
>
> The "Timenuts" moniker, while recognized and respected internationally, is a
>form
> of prior "art" and may well constitute a form of copyright. I would suggest
> that not only is it proper to ask him his feelings but m
You can use www.timenuts.com to reach my forum, I can be reached here or there
and several other places, all are welcome.
Stanley
- Original Message
From: Steve Rooke
To: Discussion of precise time and frequency measurement
Sent: Wed, August 25, 2010 12:53:56 AM
Subject: Re: [time-n
Not cheap but VOR was used when I was flying.
http://en.wikipedia.org/wiki/VHF_omnidirectional_range
Stanley
- Original Message
From: Bob Camp
To: Discussion of precise time and frequency measurement
Sent: Wed, August 25, 2010 9:25:31 PM
Subject: Re: [time-nuts] Slightly OT - GPS-Ba
google "Icom IC-A24"
Stanley
- Original Message
From: Bob Camp
To: Discussion of precise time and frequency measurement
Sent: Wed, August 25, 2010 9:25:31 PM
Subject: Re: [time-nuts] Slightly OT - GPS-Based Accurate Direction Finding
Hi
GPS is not very helpful for direction. It can
You still need to DF the VOR station to get your direction. guess any radio
that
receives 108 to 117 MHz is good for that.
Stanley
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- Original Message
From: Neville Michie
It seems strange, with all those satellites, whose position is known with such
accuracy,
that we can not get an accurate azimuth, but then we do not have a sighting
device to observe a referred object or satellites.
cheers, Neville Michie
If
If you are looking for a project vs a turn key solution check out :
http://www.febo.com/time-freq/ntp/soekris/index.html
Stanley
- Original Message
From: Colby Gutierrez-Kraybill
To: time-nuts@febo.com
Sent: Tue, August 31, 2010 11:10:47 AM
Subject: [time-nuts] GPS NTP servers
Hello
I would use a surplus thunderbolt vs the HP Z3801A GPS disciplined oscillator
for cost reasons but would check to make sure a working driver exist for which
ever gps receiver is connected to the RS232 port. Thunderbolt would feed the
clock-block in either case. This is on my list to do but I'm n
Boards will be here Friday September 3.
Stanley
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and follow the instructions there.
ROHN 9H50 34 Foot Telescopic TV Wireless Antenna Push Up Mast
http://www.3starinc.com/rohn_telescopic_masts.html
I don't know this vendor just the first that came up in google.
Stanley
- Original Message
From: Charles P. Steinmetz
To: Discussion of precise time and frequency meas
Picked that one as it fit the 3" wide request and is UPS shippable. The
brackets
and ground plate were also available.
Stanley
- Original Message
From: J. Forster
To: Discussion of precise time and frequency measurement
Sent: Thu, September 2, 2010 8:25:35 PM
Subject: Re: [time-nut
] Freestanding mast
Make sure you are sitting down when you check the shipping
charges.
73, Dick, W1KSZ
-Original Message-
>From: Stanley Reynolds
>Sent: Sep 2, 2010 9:16 PM
>To: Discussion of precise time and frequency measurement
>Subject: Re: [time-nuts] Freestanding
Packing them up to take to the PO.
Paypal to stanley_reyno...@yahoo.com
$9.50 per board $47.50 for the set of 5.
If you mail your payment to:
Stanley Reynolds
225 Alpine Street
Birmingham, AL 35210
then $9 per board $45 for the set of 5.
Yes I have plenty of extra boards.
Notice arrow has a good
Test the box minus the screws in a microwave oven if the material heats up then
it is not transparent. May not be the plastic but a pigment that was added to
give the box it's color.
Stanley
- Original Message
From: Peter Krengel
To: time-nuts@febo.com
Sent: Sun, September 5, 2010 1
The plastic may also function as a lens particularly the corners of the box
see:
http://authors.library.caltech.edu/10409/1/ZMUieeetmtt92.pdf
figure 2 shows a polyethylene lens.
Stanley
- Original Message
From: Peter Krengel
To: time-nuts@febo.com
Sent: Sun, September 5, 2010 11:12:05
I would try a search for cake pans in the archive. Large funnel inverted to
cover.
http://www.mail-archive.com/time-nuts@febo.com/msg27517.html
http://www.mail-archive.com/time-nuts@febo.com/msg27561.html
Stanley
- Original Message
From: Peter Krengel
To: time-nuts@febo.com
Sent: S
Yes we do need leap-Centimeters for MSL :-D
Stanley
Some bureaucrat adjusted MSL by 1.3m quietly because it would be
politically incorrect to admit that the globe was actually warming.
We have some idea of how time is adjusted for GPS. Does anyone know
how and when MSL is adjusted? I mean, 1.
send you payment for the "expanded" version? I'm still not
getting any emails from you except from the list. What's the status of the
"Small DMTD Project"? There hasn't been a word about it for a *long* time.
73 Brice KA8MAV
----- Original Message - From:
Update, boards are
here !
Hi Stanley,
I'm very interested in building this project. Do you have documentation
online? I'd like to read through it then send you the $47 for the boards.
Thanks,
Bob
On Sat, Sep 4, 2010 at 1:28 PM, Stanley Reynolds wrote:
> Packing them up to t
d
cells to the center of a capillary tube) but all I really did was layout.
No software for me on that one.
-Bob
On Tue, Sep 7, 2010 at 11:40 AM, Stanley Reynolds <
stanley_reyno...@yahoo.com> wrote:
> Yes this file:
>
> http://www.n4iqt.com/BillRiley/A-Small-DMTD-System.pdf
>
>
I not able to organize a parts order but did notice a break in price on the
transformers at mini-circuits at quantity 10, went from $9.95 to $2.29 this
maybe a mistake, as this is the only part that had such a break.
Stanley
___
time-nuts mailing lis
Does the GPS backup include other sats ? As long as all sites could see the
same
sat then using it as a standard they would drift together.
Stanley
- Original Message
From: Ralph Smith
To: Discussion of precise time and frequency measurement
Sent: Thu, September 9, 2010 11:45:04 AM
On the crazy side another common view object is the lunar laser ranging
retroreflector array. Has been improvements in cost of lasers and telescopes in
the past 41 years and it doesn't appear to be headed for shutdown anytime soon.
Stanley
- Original Message
From: Mark J. Blair
To:
If you have to work with the existing corner cubes, I don't see how to start
with a pulse at one site, bounce it off the moon, and get it back to another
site that isn't nearby.
If you didn't send the pulse it would be hard to time the trip anyway no start
time. But it one site is transmitti
How to keep hundreds of miles of copper stable or predict it's delay ?
Stanley
- Original Message
From: "J. L. Trantham, M. D."
To: Discussion of precise time and frequency measurement
Sent: Fri, September 10, 2010 6:44:35 PM
Subject: Re: [time-nuts] Timing Distribution in Mountainou
ehalf Of Stanley Reynolds
Sent: Friday, September 10, 2010 7:13 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Timing Distribution in Mountainous Terrain
How to keep hundreds of miles of copper stable or predict it's delay ?
Stanley
Would temperatu
No not compatible. But check Paul Swedberg's Loran simulator here:
http://www.n4iqt.com/simloran/
Stanley
- Original Message
From: Perry Sandeen
To: "time-nuts-requ...@febo.com"
Sent: Sun, October 3, 2010 5:19:02 PM
Subject: [time-nuts] AUSTRON MODEL 2100F Conversion
List,
To provi
Depends on which one you have but the one with heat sink fins on the front has
a
adjustment pot under a screw on the front appears as a break in the 3rd fin
from
the left. Don't know about the gold color case one's.
Stanley
- Original Message
From: Perry Sandeen
To: "time-nuts-req
- Original Message
From: paul swed
To: j...@quik.com; Discussion of precise time and frequency measurement
Sent: Sun, October 3, 2010 10:06:40 PM
Subject: Re: [time-nuts] AUSTRON MODEL 2100F Conversion
Won't work completely different. I built a very simple loran c sim and the
docs
Yahoo has problems try http://n4iqt.com/simloran/
Stanley
- Original Message
From: Stanley Reynolds
To: Discussion of precise time and frequency measurement
Sent: Sun, October 3, 2010 10:26:37 PM
Subject: Re: [time-nuts] AUSTRON MODEL 2100F Conversion
- Original Message
Would not a piece of aluminum or steel L stock work with washers or flat stock
next to the case ? For an inexpensive source I use metal bed frames painted
with primer and epoxy paint after the holes are drilled. I use a abrasive saw
instead of a hack saw, less effort to cut them to length or cut
27;m ready to communicate
1 8 DCD Data Carrier Detect «— Modem connected to another
9 22 RI Ring Indicator «— Telephone line ringing
5 7 SG Signal Ground
- Original Message
From: Bill Janssen <[EMAIL PROTECTED]>
To: Stanley Reynolds <[EMAIL PROTECTED]>
Sent: Monday
Bill,
Try a jumpers on the RS232 cable 4 to 5 and 6,8,20 together. If you have a
RS232 break out box you could put it between the PC and GPSDO to see which
levels change when the program is running.
Stanley N4IQT
- Original Message
From: Bill Janssen <[EMAIL PROTECTED]>
To: Discus
The two things that come to mind are is the pulse wide enough and is it the
correct polarity. Polarity wrong would only add delay but the pulse width would
cause the PC to not see it.
Check these links:
http://www.tapr.org/kits_fatpps.html
http://www.wraith.sf.ca.us/ntp/#gps-receiver
---
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=250304924135
My new to me Trak Systems 8820 GPS Station displays the wrong number of days it
counts 73 when it should be 302. Hours, minutes, and seconds are correct.
Re-seating chips and adjusting 10 MHz oscillator has the tracking and
Follow up I checked the IRIG-B Out and it has the same 73 days, if I can
interface a new GPS module wonder if that would fix the "GPS Week Number
Rollover (WNRO)" http://leapsecond.com/notes/gpswnro.htm that I think I have ?
___
time-nuts mailing list -
OPPS fixed bad link, sorry
From: Stanley Reynolds <[EMAIL PROTECTED]>
To: Discussion of precise time and frequency measurement
Sent: Tuesday, October 28, 2008 6:22:15 PM
Subject: Re: [time-nuts] firmware bug ???
Follow up I checked the IRIG-B Out and
From: Stanley Reynolds <[EMAIL PROTECTED]>
To: Discussion of precise time and frequency measurement
Sent: Tuesday, October 28, 2008 6:25:34 PM
Subject: Re: [time-nuts] firmware bug ???
one more time :-)
OPPS almost fixed bad link,
My last try, if the link doesn't work then maybe I should give up !!!
From: Stanley Reynolds <[EMAIL PROTECTED]>
To: Discussion of precise time and frequency measurement
Sent: Tuesday, October 28, 2008 6:27:58 PM
Subject: Re: [time-nuts] firmware b
Nigel Thank you for the Manual, yes it will help ! Was not giving up on the
GPSDO just trying to fix the bad link, my fat fingers make it about as easy as
surface mount PCBs
From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
To: time-nuts@febo.com
Sent: Tuesday,
Bill
The Magnavox board is separate with a trak interface/power regulator board
mounted on top it is on the front right side between the power supply and front
panel behind the keypad. Note the select key top is missing but still works. I
have dissembled the lcd module and wiped the PCB board t
Trak Systems 8820 GPS Station
Made some progress, LCD was repaired by several cleanings with a lint free
cloth and alcohol of the PCB to display contact and careful realignment on
assembly. Also removed flat washers which were causing a short between board
and case.
The Laser jet III display
Bill
Close to my measurements 2 5/8 by 6 3/8 USA with a metal shield box on antenna
connector end 2 1/2 by 2 1/2. 20 Pin connector on the diagonal edge from the
antenna connector. Unable to read numbers as the interface board with backup
battery is mounted on top. Think it does match Björn's po
Dick
Yes, Received an email the day they shipped to let me know that they charged my
credit card. Thanks to all that made this possible.
Stanley
From: Richard W. Solomon <[EMAIL PROTECTED]>
To: time-nuts@febo.com
Sent: Monday, November 3, 2008 8:55:24 PM
Sub
http://www.trimble.com/support_trl.asp?pt=Thunderbolt%C3%82%C2%AE%20GPS%20Disciplined%20Clock&Nav=Collection-2357
http://trl.trimble.com/dscgi/ds.py/Get/File-33741/Tboltmon.exe
From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
To: time-nuts@febo.com
Sent: Sunday
I have purchased a few things from Ebay, but it is seldom you get the best
price. You will see some items that don't get a bid or sell at a lower price.
Check that sellers feedback and shipping cost for why no one is bidding. That
said with buyers needing their money for other things with uncert
Looking at the user guide which is the extent of my experience. Would the
position version of the M12+ be a better choice for your application ? That is
trade NMEA-0183 for all the timing features ?
Stanley
Link to user guide :
http://www.synergy-gps.com/images/stories/guides/m12+userguide.pdf
From: Chuck Harris <[EMAIL PROTECTED]>
To: Discussion of precise time and frequency measurement
Sent: Thursday, November 27, 2008 9:12:13 AM
Subject: Re: [time-nuts] US Shipping Was huntron tracker advice
The sad part is there is no incentive to reverse the
On Dec 1, 2008, at 12:09 PM, Warren wrote:
> Message: 4
> Date: Mon, 1 Dec 2008 11:22:42 -0800
> From: "WarrenS" <[EMAIL PROTECTED]>
> Subject: Re: [time-nuts] V standards
>
> Concerning the Need for very high resolution Dacs in GPSDO.
>
>> Bruce said: "However
mailing list -- time-nuts@febo.com
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and follow the instructions there.
On Dec 1, 2008, at 2:33 PM, Stanley Reynolds wrote:
> Message: 6
> Date: Mon, 1 Dec 2008 14:31:33 -0800 (PST)
> From: Stanley Reynolds <
From: Bruce Griffiths <[EMAIL PROTECTED]>
To: Discussion of precise time and frequency measurement
Sent: Monday, December 1, 2008 5:26:38 PM
Subject: Re: [time-nuts] time-nuts Digest, Vol 53, Issue 8
Guess that would be the case of too good to believe perfor
http://www.unusualresearch.com/AppNotes/TimeNuts/OptDualMixer.pdf
Fig 1 shows a phase shift of OSC 1 is this required ? Or is it just a
indication of the difference in phase of the two OCS's ? Or is this a way to
prevent injection lock ?
Further on they say:
"Interference may cause an unde
The HP10811 has about +- 10Hz coarse adjustment would it be a good idea to make
sure they don't have the same frequency by adjusting them in opposite
directions from 10 Mhz before the test, like 10Mhz+4hz, 10Mhz, and 10Mhz-4hz
for three. Would assume the common oscillator would be 10 to 20 Khz
Thus
for a 1kHz input and 100dB SNR the input clock jitter should be < 18ns rms.
for a 10kHz input and 100dB SNR the input clock jitter should be < 1.8ns
rms.
It is very likely that the differential sampling clock jitter
contribution of a high end sound card to the ADEV noise floor will in
aroun
From: "Lux, James P" <[EMAIL PROTECTED]>
To: Discussion of precise time and frequency measurement
Sent: Tuesday, December 2, 2008 5:15:47 PM
Subject: Re: [time-nuts] Soundcard sampling Re: Picking a good HP 10811
Maybe you all missed the part where I was com
Found a basic common base amp would need to adjust values for 10Mhz
http://s307.photobucket.com/albums/nn306/stanleyreynolds/?action=view¤t=commonbaseamp2.jpg";
target="_blank">http://i307.photobucket.com/albums/nn306/stanleyreynolds/commonbaseamp2.jpg";
border="0" alt="Photobucket">
and this c
Found a basic common base amp would need to adjust values for 10Mhz
http://i307.photobucket.com/albums/nn306/stanleyreynolds/commonbaseamp2.jpg
and this common emitter :
http://i307.photobucket.com/albums/nn306/stanleyreynolds/JPLCEtwostage.jpg
Did not find the circuit for the NIST design just a a
Thanks Bruce,
Found it and reading ...
Stanley
From: Stanley Reynolds <[EMAIL PROTECTED]>
To: time-nuts@febo.com
Sent: Tuesday, December 2, 2008 8:32:27 PM
Subject: Re: [time-nuts] Soundcard sampling Re: Picking a good HP 10811
Found a basic common ba
Welcome Trevor,
To divide down 10 MHz to 1 PPS use a TVB :
http://www.leapsecond.com/tools/PPSDIV.ASM
The archives has some info on using a more available chips:
http://www.mail-archive.com/time-nuts@febo.com/msg03444.html
http://www.mail-archive.com/time-nuts@febo.com/msg03442.html
You may wan
At 110 baud the ASR-33 needed a null charter or two as well or you
would get the first two charters on top of each other. So it was
CR,LF,Null,Null.
Stanley
http://www.pdp8.net/asr33/asr33.shtml
From: Lester Veenstra
To: Discussion of precise time and frequ
I have not used any free programs but TAC32 has lots of features not bad for
$55 US for members of TAPR. http://www.tapr.org/gps_tac32.html
At $20 why not just get a new key http://www.visualgps.net/NMEATime/ ? An email
to ask about your key would be free and they may have a record of your previ
Was unable to adjust to 5Mhz, 4.752 was the best I could get with external
pot. Internal pot has no effect, assume it is disconnected when external is
present ? Was not hard to dissemble, the oven is not warm but has 29 volts
maybe problem in the control circuit. Does anyone have any info I
Looks like my 5030 package is a 5Mhz ocxo version of the FTS 4060 described on
pcr68.com.
Hand written note on ocxo indicates 74 degrees at 41ma guessing this is
Centigrade operating temp.
Stanley
From: Stanley Reynolds
To: time-nuts@febo.com
Sent: Saturday
Do not confuse requirements for a visit vs immigration they are not the same.
This site may help : http://travel.state.gov/visa/temp/types/types_1262.html
And if from UK them :
http://travel.state.gov/visa/temp/without/without_1990.html
Stanley
From: "d.sei
Not sure why my email to this list is lost or delayed but some does get thru.
Working on a parts list and circuit diagram for the FTS 1000 which can be found
here:
www.n4iqt.com/fts1000b
Stanley
From: Stanley Reynolds
To: time-nuts@febo.com
Sent
After several dissemble assemble cycles the oven heater started working, it is
very slow reaching a stable frequency, about 12 hours. So maybe only one of the
two transistors is working but this allows me to move on for now.
The frequency was closer but I changed a 33 PF capacitor to about 20 P
After several dissemble assemble cycles the oven heater started working, it is
very slow reaching a stable frequency, about 12 hours. So maybe only one of the
two transistors is working but this allows me to move on for now.
The frequency was closer but I changed a 33 PF capacitor to about 20
This is and old ~1987 Rubidium Standard which has a calibrate module "MDC". In
the past I have attempted to calibrate but has always failed with the error led
turned on. I have used various GPSDOs as primary standards with these attempts.
I was able to calibrate with a FTS-5030 Cesium standard l
- Forwarded Message
From: Stanley Reynolds
To: time nuts
Cc: stanley_reyno...@yahoo.com
Sent: Friday, February 6, 2009 12:09:34 PM
Subject: Efratom Modular System 8008-400-8
This is and old ~1987 Rubidium Standard which has a calibrate module "MDC". In
the past I have
We had a thread a while back about Dranetz power monitors and UPS built in
monitors. All nice to have, another older technology for power problems is
ferroresonant UPS. More copper and weight as well as a little less efficient
but I like the rugged and simple design. You will also see power cond
I have some info on a RFG-M-XO not a "II" I'm not sure it is what you have.
I also have some info on the GPS version.
Link www.n4iqt.com/rfgmxo
Stanley
From: Richard W. Solomon
To: time-nuts@febo.com
Sent: Thursday, February 19, 2009 4:27:45 PM
Subject: [t
Link to GPS stuff www.n4iqt.com/lucentgps .
Stanley
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From: Dave M
To: time-nuts@febo.com
Sent: Saturday, February 21, 2009 7:13:09 PM
Subject: Re: [time-nuts] Different Thunderbolt versions
I currently have an HP Z3801A, which seems to be running well. I've been
looking at the T-Bolts on Ebay for a while, but
- Forwarded Message
From: Stanley Reynolds
To: Discussion of precise time and frequency measurement
Sent: Saturday, February 21, 2009 7:48:06 PM
Subject: Re: [time-nuts] Different Thunderbolt versions
From: Dave M
To: time-nuts@febo.com
Sent
Dick,
The RFTG-m-XO is at http://www.n4iqt.com/lucentgps/ I'm looking for pictures
now to help id any differences to what you have with the "II". Do you have
pictures of your unit ? I think the "RFTG" is GPSDO and "RFG" has no GPS built
in link at http://www.n4iqt.com/rfgmxo/ , not sure what th
Data
The link I am looking for has the pin-outs for the connectors. Not nice to
hook +24 to a 5v line !!
Thanks, Dick, W1KSZ
-Original Message-----
>From: Stanley Reynolds
>Sent: Feb 23, 2009 10:01 AM
>To: time-nuts@febo.com
>Subject: Re: [time-nuts] RFTGm-II-XO Data
>
>Dick,
Two or one tee connectors will allow the cable to exit and reenter. If your
side arm is using a elbow now replace it with a tee.
Stanley
From: Hal Murray
To: Discussion of precise time and frequency measurement
Sent: Sunday, March 1, 2009 5:50:39 PM
Subject
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