RSID: <<2021-09-09T23:31Z MFSK-32 @ 9265000+1500>>

Welcome to program 221 of Shortwave Radiogram.

I'm Kim Andrew Elliott in Arlington, Virginia USA.

Here is the lineup for today's program, in MFSK modes as noted:

  1:42 MFSK32: Program preview (now)
  2:46 Medical journals warn about climate change
  7:24 MFSK64: Satellite test signals in the Q and W bands*
12:31 This week's images*
28:00 MFSK32: Closing announcements

* with image(s)

 

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And visit http://swradiogram.net

Twitter: @SWRadiogram






From AFP via Phys.org:

Climate action cannot wait for pandemic to end, medical journals
warn

September 6, 2021

Global warming is already affecting people's health so much that
emergency action on climate change cannot be put on hold while
the world deals with the COVID-19 pandemic, medical journals
across the globe warned on Monday.

"Health is already being harmed by global temperature increases
and the destruction of the natural world," read an editorial
published in more than 220 leading journals ahead of the Cop26
climate summit in November.

Since the pre-industrial era, temperatures have risen around 1.1
degrees Celsius (34 degrees Fahrenheit).

The editorial, written by the editors-in-chief of over a dozen
journals including The Lancet, the East African Medical Journal,
Brazil's Revista de Saude Publica and the International Nursing
Review, said this had caused a plethora of health problems.

"In the past 20 years, heat-related mortality among people older
than 65 years has increased by more than 50 percent," it read.

"Higher temperatures have brought increased dehydration and renal
function loss, dermatological malignancies, tropical infections,
adverse mental health outcomes, pregnancy complications,
allergies, and cardiovascular and pulmonary morbidity and
mortality."

It also pointed to the decline in agricultural production,
"hampering efforts to reduce undernutrition."

These effects, which hit those most vulnerable like minorities,
children and poorer communities hardest, are just the beginning,
it warned.

As things stand, global warming could reach +1.5C on
pre-industrial levels around 2030, according to the UN's
Intergovernmental Panel on Climate Change.

And that, along with the continued loss of biodiversity, "risk
catastrophic harm to health that will be impossible to reverse,"
the editorial warned.

"Despite the world's necessary preoccupation with COVID-19, we
cannot wait for the pandemic to pass to rapidly reduce
emissions."

In a statement ahead of the publication of the editorial, World
Health Organization chief Tedros Adhanom Ghebreyesus said: "The
risks posed by climate change could dwarf those of any single
disease."

"The COVID-19 pandemic will end, but there is no vaccine for the
climate crisis.

"Every action taken to limit emissions and warming brings us
closer to a healthier and safer future."

The editorial pointed out that many governments met the threat of
COVID-19 with "unprecedented funding" and called for "a similar
emergency response" to the environmental crisis, highlighting the
benefits.

"Better air quality alone would realise health benefits that
easily offset the global costs of emissions reductions," it read.

The authors also said "governments must make fundamental changes
to how our societies and economies are organised and how we
live."

https://phys.org/news/2021-09-climate-action-pandemic-medical-journals.html
 

Shortwave Radiogram now changes to MFSK64 ...


 

RSID: <<2021-09-09T23:37Z MFSK-64 @ 9265000+1500>>

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From TechXplore:

Satellite transmits test signals in Q and W band for the first
time

by Fraunhofer-Gesellschaft

In June, the W-Cube nanosatellite began its journey aboard a
Falcon 9 rocket from Cape Canaveral to polar orbit. About a month
later, it was placed in its orbit at an altitude of 500
kilometers and has now been successfully transmitting test
signals to Earth in the Q and W band since August. It collects
important data for the development of new frequency ranges for
future satellite communication systems. The development of the
W-Cube took place in the course of the joint project "ARTES".
Fraunhofer IAF developed the transmitter module of the satellite
and the receiver module of the corresponding ground station.

Capacity requirements for data transmissions are increasingly on
the rise. New data highways for digital consumption are being
researched worldwide, because the common frequencies are already
in short supply today. In order to connect new, powerful
satellites to the Internet in the future, the project ARTES,
short for Advanced Technology CubeSat-based W-band channel
measurements, is testing unused frequencies in the Q and W band
(37.5 and 75 GHz). The project is the world's first low Earth
orbit (LEO) mission in this frequency range.

Before the satellite could start its journey, the hardware had to
be developed and built in the first half of the project.
Fraunhofer Institute for Applied Solid State Physics IAF
developed the transmitter modules and extremely low-noise
receiver modules, which are core components. The launch of the
nanosatellite now marks the beginning of a two-year measurement
campaign in which test signals are routinely received and
processed on the ground.

Test signals from low Earth orbit

To be able to use new frequency bands for satellite
communications in the future, measurement campaigns are needed
that characterize the specific atmospheric channel propagations.
"Not every frequency range is suitable for all transmissions.
That's why it's important that we take a close look at the
effects of weather on frequencies," explains project coordinator
Dipl.-Ing. Michael Schmidt from Joanneum Research.

On its test mission, the W-Cube nanosatellite orbits the Earth in
low Earth orbit (LEO). Although this differs from future
operational satellites that will use the W band in a
geostationary orbit (GEO), the proximity to Earth allows decisive
time advantages in measurements, and the influence of weather
conditions hardly changes. Based on the measurement data, a
statistical model that will enable the planning and dimensioning
of future satellite links in this frequency range will be
developed.

High-frequency electronics enable clear signals from orbit

Precise and informative measurements of channel propagation
between orbit and earth require highly sensitive and extremely
low-noise electronics. Based on its extensive expertise in this
research area, Fraunhofer IAF has developed RF front-ends for
both the satellite itself and the ground station as part of the
project. The RF components consist of frequency multipliers as
well as driver and power amplifiers for the Q and W band.

"One of the biggest challenges in terms of RF hardware, besides
the sensitivity of the receiver, was to develop a transmitter
module with sufficient output power up to W band to ensure an
optimal signal-to-noise ratio (SNR) even under less than ideal
atmospheric conditions," says Dr.-Ing. Markus Rösch, project
manager on the part of Fraunhofer IAF. Rösch's team succeeded in
designing transmitter modules with the necessary power by using
the institute's own technology. These components were built in
split-block housings, as were the frequency multipliers.

https://techxplore.com/news/2021-09-satellite-transmits-band.html
 

Image: The W-Cube nanosatellite transmits test signals at an
altitude of 500 kilometers ...

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This is Shortwave Radiogram in MFSK64

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This week's images ...


Jiffy Ware pitchers (1942) (earthenware) by Cleveland industrial
designer Viktor Schreckengost for the Gem Clay Forming Company.
https://bit.ly/3hgmUl3 ...

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This shot of an Indian chameleon is a finalist in the Comedy
Wildlife Photo Awards. https://bit.ly/3tsXS76 ...

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The dial of "Big Ben," at the Houses of Parliament in London,
presently under repairs, has been restored to its original
Prussian blue. https://bit.ly/3zYuLLF ...

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"Ithaca: Fire and Ice" is an immersive light installation in
Wakefield, England, that lets visitors experience dramatic
changes to the Earth’s climate. https://bit.ly/3hcWEIA ...

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The cauldron during the closing ceremony of the Tokyo
Paralympics. https://reut.rs/3ncSpAx ...

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Stromness, Scotland, after nightfall. https://bbc.in/3A230BO ...

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Sunrise on Chesapeake Bay, September 4. https://bit.ly/2Vs57Qh
...

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Our art of the week is "Abstract Rose Garden" by Neal Alicakos.
https://bit.ly/3jTo9sk ...

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Shortwave Radiogram returns to MFSK32 ...
 

RSID: <<2021-09-09T23:58Z MFSK-32 @ 9265000+1500>>


This is Shortwave Radiogram in MFSK32 ...

 

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I'm Kim Elliott. Please join us for the next Shortwave
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http://www.rhci-online.net/html/RNEI21.html

RSID: <<2021-09-11T19:49Z MFSK-64 @ 9670000+1500>>

This Is An Express Music Show
September 2021

Channel 292 on 6070 kHz

----------------------------------------

PLAYLIST

Them - All For Myself

------

The Strangeloves - Night Time
The Golden Dawn - Starvation
Barbara Aklin - Seven Days Of Night
Barry Biggs - Bad Apple VERSION
KFT - A Pénztárcámat

------

THIS DATA - Bert Kaempfert - Orange Colored Sky

------

The Roches - Hammond Song

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--YOUR HOST--



EOM




RSID: <<2021-09-11T19:51Z MFSK-64 @ 9670000+1500>>
 

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