Another one that might make the half century is the 3458A 8.5 digit
multimeter which is 33 this year. It's just had an update and is still
competitive in its own right, not just for legacy reasons.
Angus.
On Mon, 17 Jan 2022 07:23:17 -0800, you wrote:
>Louis,
>
>Keep an eye on the 5071A. It
About 20-30 years ago it was possible to identify video recorders that made
particular videos by analysing the transients as the recorder switched heads
when they rotated on the drum in the recorder. Apparently no two recorders had
exactly the same pattern.
Now of course, obsolete.
Morris
On 1/19/22 3:50 PM, Hal Murray wrote:
anders.e.e.wal...@gmail.com said:
AFAIK we only have 10 minute data...
What is the wavelength (in seconds) of an eruption? What's the Nyquist
sampling rate?
From the shock wave? I'm not sure wavelength is the appropriate
measure - a shock wave starts
anders.e.e.wal...@gmail.com said:
> AFAIK we only have 10 minute data...
What is the wavelength (in seconds) of an eruption? What's the Nyquist
sampling rate?
Is there dispersion of audio signals in the atmosphere? I don't remember
hearing about it. Maybe signals going around-the-world
Hi
Stacking switchers is generally not a good idea. Even stacking them with
non-switchers is not a recommended way to go. Can it be done? Sure, if
you know a lot about exactly what’s inside the switcher ….
Best approach:
Convert all the this and that to some voltage > 20 V and then do the
Ed thats quite a story and good to read.
But a bit hard to follow to actually answer your question that appears not
to need a answer now.
The diode switch makes sense. But I think you need another diode to stop
the converter from seeing the large filter cap. A thought at least.
Switching
Since back in October, I've been working on getting the Z3801A in a
5065A carcass project closer to completion. I mostly finished the clock
control board and other details, and moved on to the power system. I
decided to completely redo a lot of the mechanical arrangement, wiring,
and the line
Hi
Based on what I’m hearing, we should be able to see a “wobble” in
GPS time due to the likely impact on the upper atmosphere. No idea
if that has been observed or is simply somebodies hunch.
Bob
> On Jan 19, 2022, at 2:26 PM, stefan.hegna...@gmx.ch wrote:
>
> I saw this on my graphs and
I saw this on my graphs and was wondering … thanks for the explanation!
[This](https://hegnauer.selfhost.eu/web/tonga2.log "tonga2.log") is from an
indoor sensor (BME680) at approximate location N 47.2552, E 8.7686, starting at
around 12:00 CET on January 15, spanning roughly 24h, with \~30s
Hi Attila,
AFAIK we only have 10 minute data - I see a jump at around 18:11 UTC.
a data-file with the last 10 days is available here
https://monitor.mikes.fi/qdata-logger/A10/102.txt
location ca N60° 10' 49.3145" and E24° 49' 35.4380"
have fun!
Anders
[image: image.png]
On Sun, Jan 16, 2022 at
Hi,
here in Germany police is recording line frequency since 2010, just as I
do :).
https://en.wikipedia.org/wiki/Electrical_network_frequency_analysis
https://de.wikipedia.org/wiki/Netzfrequenz_als_Grundlage_f%C3%BCr_forensische_Analysen
Don't know if they brought someone to jail with
Hal Murray writes:
>
> The hidden background noise that can catch criminals
> https://www.youtube.com/watch?v=e0elNU0iOMY
> 5 1/2 minutes.
Wasn't that how they proved Nixon's tapes were edited ?
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
p...@freebsd.org |
The hidden background noise that can catch criminals
https://www.youtube.com/watch?v=e0elNU0iOMY
5 1/2 minutes.
He's good in a geeky sort of way. Time sink warning.
Why European Clocks are Running Slow, and British Clocks Aren't
https://www.youtube.com/watch?v=bij-JjzCa7o
4 minutes
Here
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