On 11/30/2016 3:35 PM, Gary E. Miller wrote:
> Not true. NTP has provision for arbitrrary extensions to an ntp packet.
>
> See RFC 5905. https://www.ietf.org/rfc/rfc5905.txt section 7.3:
HA! ntp (the implementation) doesn't follow the RFC, which says that ntp
(the protocol) is supposed to
On 7/21/2016 12:09 AM, Mike Cook wrote:
> « Seiko Astron enters the leap second data receiving mode after the
> first GPS signal is received on or after June 1st and December 1st. »
> (User Manual)
Why 6/1 and 12/1? Leap seconds can happen any month. June and December
are only a preference.
On 5/14/2016 5:56 AM, Attila Kinali wrote:
> For one, patents are about
> commercial use only. If you don't sell it, patents don't apply
> (this is a bit simplified, but not incorrect).
Not sure where you are, but it's definitely incorrect for the US, where
mere use, let alone making, can be
On 12/19/2014 10:40 PM, Mark Sims wrote:
I few years back i posted on this forum how I restored a 5370A that
had a missing ROM board by installing an EEPROM into the empty socket
on the CPU board.
Based off of that, I did similar, and documented it here:
http://www.flatsurface.com/5370A/
On 11/3/2014 3:54 PM, Tom Van Baak wrote:
When it comes to frequency standards the official SI second is
defined only for sea level. We know time and frequency are bent by
speed or gravity;
According to the BIPM: At its 1997 meeting the CIPM affirmed that:
This definition refers to a caesium
On 10/31/2014 6:14 PM, Bob Camp wrote:
check a DB-9-M and DB-9-F
ITYM DE-9-P and DE-9-S.
Sorry, it's a pet peeve. 'taint no such thing as a DB-9, and the
gender is Pin or Socket because male and female are ambiguous given the
physical construction.
On 10/22/2014 4:44 PM, Dave M wrote:
The Z38xx
units are 11 wide (10-9/16 mounting centers) , and obviously are not
suitable for a standard 19 rack cabinet.
The Nortel GPSR (aka HP z3801a) was mounted vertically in a chassis
which was itself rack mounted. It's 11 tall, not wide.
On 10/8/2014 8:46 AM, Chuck Harris wrote:
Other than turning the 5370A into a capable replacement for the
5370B...
?
I believe the only significant difference between the A and B is that
the B had a slightly more robust input module, and came standard with
the 10811 OCXO.
There were some
On 10/8/2014 9:52 AM, Chuck Harris wrote:
The B is significantly faster in handling the GPIB interface,
and other internal processor functions than the A...
Why would that be? They use the same speed processor, and the GPIB
interface is unchanged.
On 9/15/2014 10:01 AM, Tom Miller wrote:
Fast risetime pulses _are_ RF and need to be treated as such.
You say that as if simply saying it provides an explanation, or even a
reason. Exactly what ill effect on a triggered measurement is there if
one does not terminate a PPS signal properly?
On 9/15/2014 3:04 PM, Tom Miller wrote:
So does adding ~80 pF per meter or 8 nF for 100 meters (RG58) to your
output have any effect on the risetime? Because that is what it will see
with an open cable.
It's not nearly that simple. 8 nF distributed along 100 M is not the
same as an 8 nF cap
On 8/28/2014 2:15 PM, Attila Kinali wrote:
On Thu, 28 Aug 2014 12:00:19 -0400
Dan Kemppainen d...@irtelemetrics.com wrote:
However, that raises a good questions, in terms of cones and shedding
snow. I wonder how a straight slender vertical pipe with capped end
...
But the pipe is not such a
On 7/21/2014 11:07 PM, Brooke Clarke wrote:
Every phone in my house that has an LCD shows the correct date time,
but I have never set any of them.
I expect that there's date and time information being sent in the header
of every phone call, maybe even before the first ring along with the
On 7/15/2014 6:58 PM, Art Sepin wrote:
A firmware update including the 8 channel @@Ea message (like the UT+)
will be available in the coming months. A 6 channel @@Ba command is
also being added so that users of legacy HP timing products that used
the old VP Oncore will have an up-grade path.
On 2/27/2014 6:38 AM, Poul-Henning Kamp wrote:
They generally don't mount their filesystems read/write, but only
read/only.
I've done similar things with FreeBSD in many systems (see: nanobsd)
but I don't have time or clue to figure out how to do that with Linux.
The way TiVo does this is to
On 2/19/2014 8:47 PM, Richard (Rick) Karlquist wrote:
Thanks for the suggestions, but the MFJ121 does not
display the date and the Lacrosse 8055 and 8016
do not display seconds. I need hour minutes seconds
day and date. You wouldn't think that would be
so hard. It looks like my only choice is
On 1/27/2014 1:33 PM, Robert Atkinson wrote:
I looked at this a while ago. The spec only defines transmission levels, it
does NOT specify receive thresholds.
It certainly does...
2.1.3 For data interchange circuits, the signal shall be considered in
the marking condition when the voltage on
On 10/1/2013 4:03 PM, Brooke Clarke wrote:
The reason for the lack of voting in Washington in relation to any bill
that requires a tax raise is because 219 House and 39 Senate members
have signed a pledge that says they will not vote for any tax increases,
In what way is trying to create
On 9/23/2013 7:32 AM, Bob Camp wrote:
On Sep 23, 2013, at 2:57 AM, cdel...@juno.com wrote:
Per the following Symmetricom instructions, HP/Agilent/Symmetricom tubes
or instruments with tubes are exempt from the Hazmat requirements if
shipped within the USA. You still have to label them per the
On 9/3/2013 10:56 AM, Jim Lux wrote:
In this case, all the messages were presumably handled by the same
carrier, so the issue of skew in timestamps is negligible; they're all
presumably running off the same clock.
But not necessarily the same time. For instance, some cell systems run
on GPS
On 8/29/2013 9:01 AM, Dr. David Kirkby wrote:
On 29 August 2013 01:00, Mann Weltzeit mweltz...@ymail.com wrote:
I offer satisfaction protection in private sale at $3000.00 USD for each unit
Am I missing something, or is $3000 more than a little excessive for
what a quick Google would suggest
On 8/20/2013 1:41 PM, Wojciech Owczarek wrote:
True, this will help, and needless to say, dynamic CPU frequency etc. is a
no-no,
On modern x86 processors, both Intel and AMD, the tsc increments at a
constant rate, independent of the CPU frequency.
On 8/7/2013 3:22 PM, stan, W1LE wrote:
Is address 31, for talk only, a HP/Agilent feature only, or do tothers
provide talk only on the buss ?
My understanding is that 31 is illegal as a device address, used to
untalk/unlisten all devices. Perhaps what you mention is something from
early
On 6/5/2013 6:51 PM, Didier Juges wrote:
without using the high stability CPU oscillator option, just the PPS
from one of my Thunderbolts.
Is that even worthwhile? Will the high resolution built-in counters
of the Elan processor be useful without the external oscillator
compared to a plain
On 6/5/2013 10:33 PM, Hal Murray wrote:
mi...@flatsurface.com said:
I haven't really looked into it further, there may be an NTP tweak which
forces a shorter time constant.
minpoll, maxpoll
Polling interval is different than update interval.
From a FAQ at ntp.org: Recent versions of ntpd
On 6/5/2013 11:14 PM, Chris Albertson wrote:
So other than bragging rights what do you get
with a picosecond level NTP server?
You're posting to the wrong list. :-)
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On 5/19/2013 5:03 PM, Miguel Barbosa Gonçalves wrote:
- Port A (T+) to R+ on the converter
- Port A (T-) to R- on the converter
- PPS+ to T+ on the converter
- PPS- to T- on the converter
On the RS232 part of the converter
- TXD (pin 3) to computer pin 1 (DCD)
- RXD (pin 2)to computer pin 2
On 5/4/2013 2:40 PM, Attila Kinali wrote:
Can anyone shed some light on why the GPS Cs beams have a worse stability
than the Rb vapor clocks?
I don't know, but it makes me wonder about things like
1) How sensitive is each to C-field tuning - i.e. for the same change in
C-field, by how much
Can we admit that this is completely off-topic for this list, and move
on to appropriate topics?
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On 4/23/2013 10:31 AM, cfo wrote:
I don't expect NIST to keep the commandset (manuals) a secret , but
doesn't have any contacts at NIST.
Can you read the ROM(s), and do a strings on them?
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On 4/18/2013 5:41 PM, Brooke Clarke wrote:
It has an OCXO that I haven't seen before with a paper sticker with it's
p/n: 3505A09422
The A normally means made in America.
It's a double oven HP 10811A, you're looking at the serial number sticker.
___
On 4/12/2013 1:58 PM, Rick Karlquist wrote:
What are you referring to as scotchguard? I thought that was
a discontinued waterproofing spray for fabric. You must be talking
about something else.
He may have meant Scotchkote, as in Scotchkote Electrical Coating FD.
BTW, Scotchgard is used for
On 3/30/2013 7:48 AM, Attila Kinali wrote:
So far, i figured out that PIN photodiodes can go up to several 100MHz
transition frequency and avalanche photodiodes are available up to 2GHz.
The only photodiodes that go higher are those for the telecom range
at 1-1.5um, which is a bit low for my
On 3/17/2013 1:56 PM, Ed Palmer wrote:
On 3/17/2013 10:41 AM, Said Jackson wrote:
The acceptable specs are pretty crappy in tim-nuts terms: +/-350pico
* frequency with a 1s gate time. Thats straight from the user manual
and assuming no reference error. From the manual:
Frequency Accuracy:
±
On 3/13/2013 7:36 PM, Ed Palmer wrote:
You can also put a 5-volt GPS on port 1 to match your 5-volt antenna and
GPSs with other voltages, e.g. 3.3 or even 12 volts, on the other
ports. This way, you don't lose the use of one port.
That's the last thing I'd want to do, literally, since that
On 3/13/2013 6:40 PM, lstosk...@cox.net wrote:
Some of the little magnetic attached antennas on eBay will operate on
3-5V. More problematic is using the older antennas which require 5V
with the newer chips such as the LEA-5,6,7 series which run on 3.3V.
Some distribution amps will all you to
On 3/10/2013 12:04 PM, Peter Gottlieb wrote:
RG-5910.4 dB/100 ft
RG-68.4 dB/100 ft
Heliax 7.4 dB/100 ft FSJ1-50A
RG-11 5.7 dB/100 ft
(Yes, I'm aware of the impedance differences)
I used LMR-400. 5.1 dB @1.5 GHz /100 ft, 90 dB shield.
And, it's
On 2/21/2013 10:05 PM, Martin A Flynn wrote:
Hi folks,
I picked up a used TS-2100L for use at a local technology museum. Unit
powers up, locks, and syncs. (all three front panel LED are green)
Using wire shark I can see traffic to the device on 192.168.56.99,
however I can't connect to the
On 2/10/2013 6:04 PM, Magnus Danielson wrote:
You should read TCP/IP as Internet Protocols (notice plural form
here). It points to the stack of protocols,
Actually, no. IP is Internet Protocol, singular, and is the L3 (mostly -
IP predates the ISO/OSI model layers, so IP suite protocols don't
On 1/29/2013 1:55 PM, saidj...@aol.com wrote:
Note that this is higher than the older GPS would support, due to the new
Wassenaar speed/altitude limits.
What are the current limits? UBlox is Swiss, and therefore subject to
Wassenaar. Are there any GPS chip makers in China (or ?), who wouldn't
On 1/25/2013 9:00 AM, Erno Peres wrote:
it has a second frequency output 9,830400 MHz.
What is the purpose for this freq in the GSM base station...
None that I can think of. But it is 8 times the CDMA chip rate of 1.2288
MHz, so would be useful in a CDMA base station.
On 1/23/2013 3:34 AM, Magnus Danielson wrote:
On 01/23/2013 02:32 AM, Mike S wrote:
Can you have a Cs under zero acceleration and at zero temperature, the
only conditions for which the second is defined? Since most metric units
are derived from the definition of the second, are any primary
On 1/24/2013 10:38 AM, Jim Lux wrote:
On 1/24/13 7:24 AM, Mike S wrote:
On 1/23/2013 3:34 AM, Magnus Danielson wrote:
On 01/23/2013 02:32 AM, Mike S wrote:
Can you have a Cs under zero acceleration and at zero temperature, the
only conditions for which the second is defined? Since most metric
On 1/22/2013 3:30 PM, Bruce Griffiths wrote:
But can the number and type of atoms in such a standard be counted?
Otherwise its not a primary standard.
Can you have a Cs under zero acceleration and at zero temperature, the
only conditions for which the second is defined? Since most metric
On 12/7/2012 4:08 PM, Scott McGrath wrote:
that was my point code is open source means open for inspection by
end-user. The tool chain is irrelevant unless it comes from GPL or
similar licenses. Back in the mainframe days most code was
proprietary but distributed to customer in the form of
On 12/7/2012 5:26 PM, Scott McGrath wrote:
Well the GPL crowd has kind of conflated open source with code
licensed under the GPL. And yes I have met Richard Stallman on many
occasions. And I'm sure he would also disagree on my definition of
open source
You're confusing the two. Stallman
On 11/26/2012 8:51 PM, Peter Gottlieb wrote:
The antenna I got fron Nichegeek on ebay uses British Pipe Threads! Just
can't get anything here that matches it. Perhaps I should just get a
unit with regular NPT size threads?
Why not just get a pipe nipple of close size, and grind off enough of
On 11/6/2012 2:59 PM, Ed Palmer wrote:
But if this is a firmware issue, shouldn't there be lots of Z3801As with
this problem? I suspect that there's a fault with my unit, but I can't
imagine what.
Does your unit by chance have an 8 channel Oncore VP instead of the
stock 6 channel one?
On 10/18/2012 6:17 AM, Azelio Boriani wrote:
Take care that the 1 satellite timing mode comes after having seens more
than 4 satellites for at least 1 seconds (usually, or greater). You
can't start a timing mode receiver with 1 satellite.
Yes, you can. You only need to tell it its own
On 9/15/2012 2:11 PM, paul swed wrote:
Then respond back with whatever the response might be and then simply pass
through in both direction whatever comes next.
Could an updated rcvr be used.
Is this init command really the only gotcha?
It's more than just the init command. The z3801a also
On 9/16/2012 8:09 PM, Tom Knox wrote:
In this green era here in the USA there is a big push toward CFL
lighting. Problem is I can see my CFL lighting on my PN measurements
and other equipment. I am finding it is very noisy
Run 12 VDC lighting, or hydrocarbon (NG/propane/naptha, which is noisy
On 9/13/2012 1:39 PM, Chris Albertson wrote:
On Thu, Sep 13, 2012 at 10:22 AM, gandal...@aol.com wrote:
The GPS receiver in my Z3801 has died and I need to replace it.
Go to ebay and type oncore in the search box. There are MANY available
starting at just about $20.
Search for oncore vp
On 9/13/2012 2:00 PM, Chris Albertson wrote:
On Thu, Sep 13, 2012 at 10:53 AM, Mike S mi...@flatsurface.com wrote:
Search for oncore vp (which is what a z3801a needs), and you won't find
ANY, at any price.
Really? It can't use the newer UT? I thought the UT is identical except
for better
On 9/13/2012 4:45 PM, Azelio Boriani wrote:
OK, listening to the 32KHz EM field, not to the acoustic 32KHz.
I'm impressed by your special powers.
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On 9/11/2012 11:58 AM, David McGaw wrote:
Curious. Civil time is based on UTC, not GPS. Shouldn't the smart
phones account for the difference from GPS time? We have the technology.
The problem is, Google doesn't have a clue. The issue was first reported
to them almost 3 years ago -
On 9/10/2012 6:36 PM, Bob Smither wrote:
May not be redundant for time nuts! I have an NTP client on my Android and it
shows the network time (Sprint in my case) is often as much as 2 seconds behind
UTC.
So that makes it, what, 21 seconds off? It should be 19 seconds ahead of
UTC, since
On 8/8/2012 1:41 PM, Chris Albertson wrote:
On Tue, Aug 7, 2012 at 11:57 PM, Hal Murray hmur...@megapathdsl.net
wrote:
ps and pdf, at least the way I see them, are not in the same boat as
SVG.
SVG is an image format that can easily be included in a html page.
ps and
pdf are stand alone.
On 8/6/2012 12:57 PM, John Ackermann N8UR wrote:
IMG SRC=image.big WIDTH=50% HEIGHT=50%
The viewer can then right-click on the image and via the view image or
similar menu open up the full-sized version for the fine detail. That
worked on my browser and monitor, but apparently not on some
On 8/1/2012 12:19 PM, Brooke Clarke wrote:
What's the claim for the Tag Heuer Mikrogirder?
Their timekeeping can't be very good, as their alarms obviously don't
work - their SSL certificate (*.tagheuer.com) expired 1/4/2012 11:59:00
PM GMT.
___
On 7/11/2012 8:15 PM, Chris Wilson wrote:
Does anyone know if there's a means to log max and min temps for these
things? I was going to make a crude box for mine out of 2 inch cavity wall
insulation hard foam,
The TB reports it's own temperature. Lady Heather will track it.
I'm surprised no
On 7/2/2012 9:41 AM, Chuck Harris wrote:
I know this is hard for you Mike, try and pay attention.
Are insults really a necessary part of your argument?
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On 7/2/2012 9:28 AM, Jim Lux wrote:
but if we ARE going to establish artificial connections between wall
clock time (work hours, store opening times, bar closing times, etc.)
and the sun, why not do it gradually.
Time and the sun are certainly a _natural_ connection, not an artificial
one.
On 7/2/2012 1:04 PM, Chuck Harris wrote:
Clearly when you called me a Luddite you were passing me a
complement?
I called you no such thing. I asked if you were arguing from that point
of view, since you were arguing against using technology because of the
risk. That seems to be characterized
On 7/1/2012 8:24 PM, Jim Palfreyman wrote:
Thoughts?
UTC was specifically defined/specified to closely track the other UTx
timescales. Breaking that link penalizes those who use it as it was
intended. If being close to solar time isn't important for some
applications, and they don't want
On 6/29/2012 11:15 PM, Said Jackson wrote:
This is one day not to be flying in a commercial airplane when it
happens.. Who knows if the gps units crash, if their designers never
checked mid-year leapseconds..
? GPS uses GPS time, which doesn't have leap seconds. And, it's not like
this is the
On 6/29/2012 2:46 AM, Hal Murray wrote:
That's Friday, the 29th. The leap second doesn't happen until Sat, 30th.
I think 23:59:59 UTC is 16:59:59 PST. UTC is 7 hours earlier than PST.
For a time-nuts list, there sure seems to be a lot of confusion. He was
off a day, you're off an hour.
OK, less than a day to go. At this point, properly configured NTP
servers should show leap_add_sec, leap=01, and possibly
leapsec=20120701. To check, do an ntpq -crv. ntpq -crv
ipaddress to check a remote host (if it allows it).
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On 6/26/2012 7:57 PM, li...@lazygranch.com wrote:
If the GPS is jammed, the UAV goes into a failsafe mode.
If the GPS _knows_ it has been jammed, the UAV goes into a failsafe mode.
There, fixed that for you.
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On 6/26/2012 9:53 PM, li...@lazygranch.com wrote:
I have been around military jamming. The GPS goes to zilch. It isn't
a soft degradation.
Whoosh. The (off-topic) discussion is about civilian GPS, as used by
civilian drones. I take it you didn't read the linked article from the
OP, which
On 6/7/2012 9:45 PM, k4...@aol.com wrote:
believe me, there is no
fool proof solution to this.
I don't believe you. One need only provide a command to allow manually
setting the checkpoint date.
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On 6/7/2012 8:02 PM, Bob Camp wrote:
One could put in a routine that looks at the date the software was
written and fix any date that shows up as being in the past.
After all the issues seen after the last rollover, I'd think receivers
would have been made robust against this.
One obvious
On 6/6/2012 9:09 AM, Jim Lux wrote:
does anyone have a reference to the math and process used to measure
distance from earth to sun using transit of venus?
http://transitofvenus.nl/wp/getting-involved/measure-the-suns-distance/
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On 5/22/2012 3:39 PM, Ed Palmer wrote:
I've played with a Lantronix single port server and a Digi 16 port
server with no problems for simple COM port emulation. But I wonder if
they would work well with an NTP server. Has anyone tested that? Is the
network delay a problem due to either amount of
On 5/15/2012 2:45 PM, shali...@gmail.com wrote:
The narrow pulses are easily filtered by the power supply because the
frequency distribution of the power consumption has a much smaller
component at 1Hz.
But, since PPS is the leading edge, if the power draw for a longer pulse
width causes
On 5/15/2012 3:59 PM, Azelio Boriani wrote:
seeing into the future for doing? Equalize the amplitude?
Injecting/reducing the current to adjust the dV/dt? Can you explain?
Once the leading edge has occurred, the only information of significance
has been transmitted. What happens after doesn't
On 5/15/2012 4:19 PM, Attila Kinali wrote:
If the
PPS pulse is short, it contains very little energy, which means
the energy can be supplied by the small capacitors at the output
driver. The longer the pulse gets, the more energy it needs.
The pulse is meaningless. It's only the leading edge
On 5/15/2012 5:14 PM, saidj...@aol.com wrote:
it is the effect of what follows after that leading edge, and propagates
down the power supplies to cause side effects that is being discussed here.
I'm asking What side effects? I haven't seen any mentioned. And
really, if an increase in power
On 5/15/2012 8:58 PM, shali...@gmail.com wrote:
Mike, here is the effect of the A/C cycling on and off during a warm
spring day on the delay through a piece of RG-8 cable maybe 3 feet
long:
You're comparing the effect of voltage droop due to a 10W load on a 120V
(or 240V, for Euros) AC feed
On 5/14/2012 8:21 PM, Tom Van Baak wrote:
one day during an experiment where I was
comparing a large set of clocks I noticed my lab's digital AC power
meter was jumping by tens of watts every second.
The last thing you want
in a precision timing lab is to load your AC line down exactly once a
On 5/7/2012 7:22 PM, Cliff Sojourner wrote:
one more thing, people need to learn to hit the delete key if they
don't like a particular email.
I prefer to simply subscribe to low noise sources, where I'm not
required to get manually intervene.
get over it.
Don't tell me what to do. Get
On 5/3/2012 4:16 PM, Dan Rae wrote:
Yes, he did. Unfortunately I didn't check since I still had the page
open from earlier, and didn't find out till I went to Paypal...
He certainly isn't getting positive feedback from me.
You'd let your own oversight affect the feedback you leave? It's not
On 5/2/2012 5:18 PM, Tom Knox wrote:
I cannot believe my Guidetech GT4000 was left off your list.
No worries. He didn't list the HP 5370A, either.
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On 4/5/2012 2:51 AM, David J Taylor wrote:
Mike, have you tried FreeBSD instead? Does it show the same problems?
I have a couple of Soekris Net 4501s running FreeBSD and NTP. They don't
have much jitter, but they're a very different architecture. The machine
with the jitter is my home do
I asked this on an NTP list, got some guesses, but no knowledgeable
responses.
I've got a Trimble Thunderbolt PPS source for NTP, Linux 2.6.35, on a
quad core CPU. PPS source is coming into a multiport serial card, which
/proc/interrupts shows is sharing IRQ with some inactive USB ports (IRQ
On 4/4/2012 6:51 PM, Eric Williams wrote:
Could the CPU be reducing its clock rate when it's not being loaded? Just
a guess, most multi-core processors these days have power saving features
like that.
On Wed, Apr 4, 2012 at 3:22 PM, Mike Smi...@flatsurface.com wrote:
I've played around
On 4/4/2012 10:41 PM, Steve . wrote:
breaking the 1pps down as far as 10micro seconds,The
most obviously problem is that you are trying to use an inaccurate clock
source(the pc)
Your reply ignores the simple fact that it _does_ track within a couple
of microseconds, as long as the processor
On 4/2/2012 5:39 PM, Bill Riches wrote:
Question is that I am looking for suggestions for GPS antenna for t-bolt.
I use an Andrew GPS-QBW-26N (quadrifilar). 26 db amp + 4 db antenna
gain, through an HP 58516 distribution amp. Works well for me.
On 3/29/2012 3:16 PM, Attila Kinali wrote:
If you are using yahoo as your webmail, change! quickly!
They're not called yahoos for nothing. But, Microsoft and Google
aren't far behind in Internet cluelessness.
http://www.merriam-webster.com/dictionary/yahoo
On 3/28/2012 1:42 PM, David McGaw wrote:
I never have
considered quartz watches to be better unless they can be adjusted,
which most cannot.
Most decent ones can be. I've got some Citizens and Seikos, which have a
small trimmer cap you can adjust. There's usually a test point nearby
with a
On 3/25/2012 9:54 PM, gary wrote:
MMBD914 !=1n914.
1n914BWTm i.e. using a suffix, is something I haven't seen before, but
technically
1N914BWT != 1n914. That is, in the strict sense, the 1n914 has to be a
diode in that glass package.
As long as we're being pedantic, you're wrong. What you say
On 3/26/2012 10:10 AM, Chuck Harris wrote:
The glass used to make the body of the diode melts at something like 1500C!
I think they're sintered, not melted, and it's more like 700 C -
http://www.us.schott.com/epackaging/english/glass/technical_powder/passivation.html#
On 3/6/2012 10:37 PM, saidj...@aol.com wrote:
I'm sorry, but Mr. Javad is on crack.
Yeah right. In what world does he live in?
The one in which he's head of the only company who offers GNSS
receivers with ... LightSquared Inside.
http://javad.com/jgnss/javad/news/pr20110921.html
On 2/9/12 4:51 AM, WarrenS wrote:
Indeed,
ADEV is for random freq variation not easily measured by other means.
Temperature fluctuations do not cause random freq changes and the
temperature's effect should be removed if one wants accurate long term
ADEV numbers.
Why? Unless the unit is
On 2/9/2012 11:34 PM, ws at Yahoo wrote:
You can of course use the ADEV math function for anything, but MY
definition of true and accurate ADEV numbers must include a set up
that gives repeatable results.
If you test is done over different or unknown temperature changes that
have major effects,
On 2/3/2012 3:40 PM, J. Forster wrote:
In theory only. I have been on both FaceBook and LinkedIn Do Not Contact
lists, and I got another spam within the last two days.
That may merely be phishing. I've seen quite a few lately, which are
made to look like they originate from LinkedIn, but
On 1/25/2012 5:02 PM, J. Forster wrote:
This is intolerable data mining by LinkedIn. FaceBook does the same thing.
It is spread either by malware or purposeful deception by those companies.
I don't think so. AIR, when you sign up for LinkedIn, it offers to
harvest your address book for
On 1/23/2012 4:41 AM, Hal Murray wrote:
You didn't cleanup the headers. Your message contained:
References:cabbxvhtj3b3kbzshesqqzca_do8fak2fxnam4foekttokfw...@mail.gmail.co
That's not really his fault. Thunderbird does it wrong. RFC 1036:
2.2.5. References - This field lists the
On 1/23/2012 9:58 AM, Chuck Harris wrote:
I don't think it is clear that editing the Subject line is the same as
raising a new subject.
In the context of the References header, as was being discussed in the
RFC, that's all it _can_ be (editing the subject line). When creating a
message from
On 1/23/2012 3:02 PM, Jim Lux wrote:
How well could you do with something like the camera in the iPhone4
facing up. The front camera is VGA resolution
A lower bound can be estimated.
A cell phone (iPhone 4 rear camera) camera sensor has a resolution of
what? ~2600 pixels wide with a 45
On 1/18/2012 4:36 PM, Magnus Danielson wrote:
Use of TAI is fine, as long as you won't tell anyone near the timelords,
as obvious TAI is supposed to be hands off.
You said something similar a couple of times. Where does that come from?
Who says you're not supposed to use TAI, and why not?
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