IMHO, it's the new age of the robber barons. Paying for content is one
thing, paying a government granted monopoly for use of the transmission
medium is another. There is no effective competition if the bandwidth
is sold to the highest bidder, locking out competition. Comparable to
the great land
On Thu, Jun 30, 2011 at 03:29:49PM -0700, J. Forster wrote:
> If over-the-air TV were abolished, that would leave all broadcast media in
> the hands of Comcast and Verizon and their $100+ charges.
Broadcast TV will never go away... far too important to the
political class as a place for po
This is OT for time-nuts. Should we start another list for things like this?
nuts-overflow? nuts-OT?
I'd prefer one without politics. Do we need another list for the political
aspects of things like this? Would the people who send the political stuff
pay any attention to the no-politics
From: "John Green"
[]
I think the broadcasters are just waiting for the right price for their
spectrum. Over the air broadcasting doesn't reach that many people any
more.
When the switch to digital occurred, all the stations around here
reduced
power. Most by 10 Db. Stations that used to have
There are these people called...let me seeah yes, hackers.
I used to think paypal was a bad idea until someone decided to open an
account on one of my credit cards.
On 6/30/2011 9:10 PM, Brooke Clarke wrote:
Hi:
How would anyone know how to get to any specific meter?
Have Fun,
Brooke C
Hi:
How would anyone know how to get to any specific meter?
Have Fun,
Brooke Clarke
http://www.PRC68.com
li...@lazygranch.com wrote:
Anyone that can read the power use of a house can figure out if the occupants
are on vacation. I asked PGE to set up my meter so it could never be read over
Anyone that can read the power use of a house can figure out if the occupants
are on vacation. I asked PGE to set up my meter so it could never be read over
the internet. They refused.
-Original Message-
From: "J. Forster"
Sender: time-nuts-boun...@febo.com
Date: Thu, 30 Jun 2011 20:45
At 01:24 PM 6/30/2011, Hal Murray wrote:
> Any advice on an easy way to convert my timestampts from time_t to mjd?
> I'm using C here.
It's trivial. All you have to do is offset by the difference in starting
days.
Got it working. Thanks!
--
newell N5TNL
___
I don't question your economic data, but IMO there is a huge potential for
governmental abuse... a kind of "dual use" technology.
For example, the government started to give out highway funds, then
leveraged those funds into forcing national speed limits, seat belt laws,
lowered drinking ages, "T
The best use of a remote readout meter is when they start billing with
a rate based on the time of day. Then people who are smart about
their use can really save some money
How? Some marine refrigerators will chill down a large mass of
coolant when there is power and then shut off the compressor
List,
Leaving all the conspiracy assumptions aside, there is a very practical cost
savings to the user.
Let me explain by this example. We lived in Custer county CO for several
years. There are about 3,500 people spread out in the area. Our average
electric bill was around $150 a month an
I finally got work to spring for a nice SA. Based on a recommendation from our
EMC guy, I chose an 8566B from Ebay.
Well, less than a week after arrival, it started giving me "YTO Unlock"
messages, and in the 0-2GHz band, it would show a 100 mhz carrier at 1.53 GHz
(more or less)
After a bit o
All,
I'm looking for some junker Racal Dana 9082 RF generators, if anyone knows
of any? I have a good 9082 that I have used over the years, along with the
matching 9083 two tone generator, and would like to find some old ones for
parts units. I wouldn't mind finding a clunker 9083 too. It will be
Yes, but people are awfully dumb! They have no idea what you are talking
about. They buy Kindles and watch movies on screens less than 60 inch
diagonal measurement using sound systems that produce nothing but noise.
They don't buy newspapers and never give a thought to the fact that unless
t
If over-the-air TV were abolished, that would leave all broadcast media in
the hands of Comcast and Verizon and their $100+ charges.
It amounts to a communication tax on the entire population.
-John
=
> Might be worth a read of some of Charlie Rhodes' columns at TV
> Technolo
On 6/30/11 2:26 PM, Charles P. Steinmetz wrote:
The Working Group final report on the LightSquared--GPS interference
issue has been released. You can download it using the FCC's ECFS
electronic comment filing system. It is posted in 7 parts totaling 1,035
pages:
ALso at
http://www.pnt.gov/inte
Here's one thing that's fixing to happen, if any interference is allowed to
take place. All the large companies like Cat and Deere have been including
GPS guidance for the operators for a good while now. Most of your surveyers
now use GPS in about everything they do. If they are forced to go back t
The Working Group final report on the LightSquared--GPS interference
issue has been released. You can download it using the FCC's ECFS
electronic comment filing system. It is posted in 7 parts totaling
1,035 pages:
http://fjallfoss.fcc.gov/ecfs/document/view;jsessionid=TMkQnDhpDqL0y9zWh13z2m
The broadcasters don't pay for spectrum, at least like the wireless
companies do. Broadcasters serve the public in exchange for their use of
the airwaves. They pay a nominal fee for their license, but hey, so do hams.
Part of the problem is the original VHF stations lobbied to stay VHF
after t
febo.com
>To unsubscribe, go to
>https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
>and follow the instructions there.
>
>__ Information from ESET Smart Security, version of virus
>signature database 6253 (20110630) __
>
>The message was checked by ESET Sm
Nope, it wasn't the UPS plan either, and that did take a chunk of 220.
From: time-nuts-boun...@febo.com [time-nuts-boun...@febo.com] On Behalf Of
Chuck Harris [cfhar...@erols.com]
Sent: Thursday, June 30, 2011 3:03 PM
To: Discussion of precise time and fr
Probably because it was UPS, and it was the successful removal of the
220MHz ham band from the hams. As far as I know, the band is still unused.
They found it was more cost effective to use the cell phone network.
-Chuck Harris
David VanHorn wrote:
This was not the "white space" plan, it was
Quote:
That is the "white space" plan. It is still active. It is an attempt to use
wasted TV bandwidth.
TV bandwidth is a waste. It is not a growing business. However, the MS
scheme is kind of dumb. The gear would sniff the ether and automatically use
the spectrum. They should really just refarm t
This was not the "white space" plan, it was specifically targeted at either the
US 2M or 440 band. I just don't remember which.
From: time-nuts-boun...@febo.com [time-nuts-boun...@febo.com] On Behalf Of
li...@lazygranch.com [li...@lazygranch.com]
Sent:
Bob:
Perhaps different firmware revisions behave differently? Mine has
4613 and doesn't miss a single gate period when switching up or down - I
went from 80MHz down to 1MHz and even 100Hz, without confounding the meter.
Jose
-Original Message-
From: time-nuts-boun...@febo.com [ma
Might be worth a read of some of Charlie Rhodes' columns at TV Technology. The
latest is "Can Terrestrial Broadcasting and GPS Co-exist in Adjoining
Spectrum?"
and is at http://www.tvtechnology.com/article/122176
Over the years Charlie has presented what seems IMHO to be valid reasons why TV
Terrestrial TV simply cannot use all the bandwidth it is allotted. Spectrum has
been whittled away at least twice. Once to create T-band. Again a little bit
when HDTV was rolled out. The band needs to be trimmed with a sawzall.
-Original Message-
From: paul swed
Date: Thu, 30 Jun 2011
Bob,
Thanks for the information. Everything else about this counter is perfect so I
can live with hitting the run button.
John
The 53132 and 53131 behave oddly when the frequency is dropped. Apparently
they do some sort of pre-scaling thing in their firmware. When you drop
frequency 10
Scratching the ole head. "TVs a waste"? A comment on the editorial content
perhaps?
But then how does any of that really have anything to do with Time-nuts.
Regards
Paul.
On Thu, Jun 30, 2011 at 2:42 PM, wrote:
> That is the "white space" plan. It is still active. It is an attempt to use
> waste
That is the "white space" plan. It is still active. It is an attempt to use
wasted TV bandwidth.
TV bandwidth is a waste. It is not a growing business. However, the MS scheme
is kind of dumb. The gear would sniff the ether and automatically use the
spectrum. They should really just refarm the
> Any advice on an easy way to convert my timestampts from time_t to mjd?
> I'm using C here.
It's trivial. All you have to do is offset by the difference in starting
days.
MJD is usually printed as an integer rather than year-month-day format. (My
sample is tiny so that could easily be bo
The exception to this rule is the Yucca Mountain Projects. Billions spent and
it has been mothballed. The GOP wanted to conduct a tour of the facility and
were presented with a bill just to turn on the lights (so to speak). They
couldn't even fund the tour.
-Original Message-
From: "Wi
Years ago, microsoft wanted to take over one of the ham bands, 2m or 440 I
forget which, for satellites for internet in poor areas.
Swatch wanted to have everyone change to "beats" instead of seconds and minutes.
Stupid ideas abound, but they usually fall apart.
___
___
>> 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.
>>
>>
>
>
>
>
Hi Doc,
the CSAC GPSDO is still about 2x the price of Fury. The CSAC Oscillator as
a component is priced at $1500 from Symmetricom. This is comparable to the
Fury with accessories.
The Fury has better short term stability, and better phase noise. It is
designed for base-station applicatio
The NLRB / Boeing decision was an obscenity. If it stands, Boeing will
move offshore in due time.
YMMV,
-John
=
> Mark my words, it will be down to who has the deepest pockets, and the
> best
> representation from the lobyist's, in how this goes. The congress is
> ignorant to techn
>__ Information from ESET Smart Security, version of virus
>signature database 6253 (20110630) __
>
>The message was checked by ESET Smart Security.
>
>http://www.eset.com
___
time-nuts mailing list -- time-nuts@febo.c
Mark my words, it will be down to who has the deepest pockets, and the best
representation from the lobyist's, in how this goes. The congress is
ignorant to technical issues, and they will force the FCC to follow along.
It will go down that it was "for the greater good", or something similar.
Boei
http://www.gpsworld.com/gnss-system/lightsquared-goes-global-glonass-galileo
-may-be-risk-too-11822?utm_source=GPS&utm_medium=email&utm_campaign=GNSS-Des
ign_06_29_2011&utm_content=lightsquared-goes-global-glonass-galileo-may-be-r
isk-too-11822
Seems like no one is safe from this!
Rob K
___
On Thu, Jun 30, 2011 at 12:54 AM, Hal Murray wrote:
> If you have a known-good (accurate?) signal going into you audio channel, you
> can compute the actual clock frequency of the audio capture path.
The problem is that it takes a long time to see a small error. If
the oscillator in the audio
How does this compare to Fury in terms of precision? They look very similar to
me. The cesium flavor seems to be geared more toward the mobility. I am
considering a Fury but would consider the csac if I could get a price close to
$1500 complete with enclosure. Any ideas as to what the actual
Hi
The 53132 and 53131 behave oddly when the frequency is dropped. Apparently
they do some sort of pre-scaling thing in their firmware. When you drop
frequency 100:1 at a 1 second gate time it indeed can take quite a while for
it to figure out what's going on.
Simple fix - poke the run button whe
On Thu, Jun 30, 2011 at 1:38 AM, Achim Vollhardt wrote:
> Time-Nutties,
>
> how about using a small uC (PIC/AVR) clocked with 100ns instruction speed.
> Start = 1PPS from GPS, Stop = 60 Hz Edge? Use internal capture hardware to
> count processor cycles in between.
Recently posted plots show that
Hi guys,
Thanks much for your feedback, 1588 and ntp sounds intriguing. For now, sntp is
supported through GPSCon.
Right now the CSAC GPSDO is a little bit on the bleeding edge because the
government has waited so long to get theirs and demand is quite high.. That
will change in a couple of ye
On Thu, Jun 30, 2011 at 8:12 AM, Scott Newell wrote:
> Any advice on an easy way to convert my timestampts from time_t to mjd? I'm
> using C here.
If disk space is a problem I'd keep the log in binary format. Better
use "zlib" and compress the binary data before it reaches the disk.
About conv
John:
I'd run the performance tests from the service manual (available at
Agilent.com). You mentioned rear inputs, option 060, and that might be a
clue. Option 060 has a 15dB lower sensitivity specification, and in the
service manual it specifically states to not use front input when you h
At 01:31 PM 6/28/2011, Tom Van Baak wrote:
I'm planning on counting 60Hz line cycles with some embedded
hardware, then dumping the count over RS-232 every minute or so to
a linux box running ntp. Any thoughts on what data to log?
Scott,
You have a PC and RS232? Skip the embedded hardware.
On 6/29/11 9:21 PM, Daniel Schultz wrote:
http://nutsvolts.texterity.com/nutsvolts/201107?pg=12&search_term=symmetricom#pg12
http://www.symmetricom.com/products/frequency-references/chip-scale-atomic-clock-csac/SA.45s-CSAC/
SA.45s CSAC
An unmatched combination of breakthroughs — in reduced size
A shameless plug for Time-Nuts.
Happy to support field trials and a 80% discount. ;-)
Though hard to say even that might be more then I think.
Regards and great job.
Paul
WB8TSL
On Thu, Jun 30, 2011 at 7:13 AM, Tony Finch wrote:
> saidj...@aol.com wrote:
> >
> > the CSAC has been discussed here
http://www.gpsworld.com/gnss-system/lightsquared-goes-global-glonass-galileo
-may-be-risk-too-11822
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of p...@pseng.org.uk
Sent: Thursday, June 30, 2011 7:56 AM
To: time-nuts@febo.com
Subject
Has anyone read this?
"The high-precision user is going to be thrown under the bus because
we are the most difficult to accommodate (technically) and don’t have
a high profile nor are perceived as significant enough to accommodate."
http://www.gpsworld.com/survey/lightsquared-high-precision-
saidj...@aol.com wrote:
>
> the CSAC has been discussed here a couple of months ago. I will use your
> post as a shameless plug of our CSAC GPSDO that we did in cooperation with
> Symmetricom, as we are now allowed to talk about the product.
> http://www.jackson-labs.com/index.php/products/csac
T
Hi Pete,
That would be me that mentioned opto couplers that have zero crossing
capability. Do a google for "zero crossing opto coupler" and you will get a
bunch of hits. Then you got to filter all the crap to find the worthwhile
stuff. Each have their own particular advantages and disadvantages
In message <20110630093603.850ee800...@ip-64-139-1-69.sjc.megapath.net>, Hal Mu
rray writes:
>Here is the same data plotted as frequency measured over 10 seconds.
> http://www.megapathdsl.net/~hmurray/time-nuts/60Hz-a.png
The strong drops in the first approx 15 minutes of the hour indicates
vali
s0/assert
1309424354.597978797#2173261
[murray@jim 60Hz]$
and a python hack to write stuff to a log file.
Here is a log file if anybody wants to play:
http://www.megapathdsl.net/~hmurray/time-nuts/pps.20110630
First two columns are MJD and seconds this day copied from NTP's log file
Hi Poul,
I would guess the 100ns granularity should be already overkill, giving
an error in the order of 1e-7. To be compared with mains instability of
>1e-5:
http://www.leapsecond.com/pages/mains/
I would try to keep it as simple as possible... maybe even only one IC,
there exist USB-capabl
In message <4e0c35ff.8050...@physik.uzh.ch>, Achim Vollhardt writes:
>Time-Nutties,
>
>how about using a small uC (PIC/AVR) clocked with 100ns instruction
>speed. Start = 1PPS from GPS, Stop = 60 Hz Edge? Use internal capture
>hardware to count processor cycles in between.
If you really want to
t...@leapsecond.com said:
> Realize this is all just for fun. TEC should have zero impact on modern
> computer networks.
It will be interesting to see how much gear there is out there that derives
time keeping from the line frequency.
I suspect a lot of it doesn't matter much at the second/minu
Time-Nutties,
how about using a small uC (PIC/AVR) clocked with 100ns instruction
speed. Start = 1PPS from GPS, Stop = 60 Hz Edge? Use internal capture
hardware to count processor cycles in between.
Send output once per second via FT232(USB) to host PC.. alternatively
store locally on SD car
t...@leapsecond.com said:
> Either use the PC to timestamp receive buffers, or if you have a 1pps handy,
> just feed your 60 Hz signal into one channel (L) and the 1 PPS into the
> other (R).
If you have a known-good (accurate?) signal going into you audio channel, you
can compute the actual cl
What more could a time-nut ask for? Except for a sample to experiment with!
Nic
VK2KXN / VK5ZAT
Hi Dan,
the CSAC has been discussed here a couple of months ago. I will use your post
as a shameless plug of our CSAC GPSDO that we did in cooperation with
Symmetricom, as we are now allowed to tal
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