VoA radiogram #72

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RSID: <<2014-08-09T22:58Z MFSK-16 @ 6135000+2000>> ====>

RSID: <<2014-08-14T22:58Z OLIVIA 32-2000 @ 6135000+1500>> ====>

RSID: <<2014-08-15T22:58Z OLIVIA 32-2000 @ 6135000+1500>> ====>

这是美国之音以Olivia32/2000模式发射的试验信号。

请将您的收听情况报告寄至radiogram@voanews.com。

如果您能给我们寄送收听情况的录音，将会对我们特别有帮助。

<EOT>

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VOA Radiogram is still on the air: http://voaradiogram.net

Thanks to The Mighty KBC.

<EOT>

RSID: <<2014-08-16T16:01Z MFSK-32 @ 17860000+1500>>

Welcome to program 72 of VOA Radiogram from the Voice of America.

I'm Kim Andrew Elliott in Washington.

Here is the lineup for today's program (MFSK32):

1:32 Program preview (now)
2:37 Trans-Pacific undersea cable
4:51 Van Allen radiation belt, with image
12:36 High resolution imaging satellite, with image
18:14 VOA Greek Service closes
21:19 VOA Greek reports its closure (in Greek)
24:43 VOA Greek logo
26:27 Closing announcements

Please send reception reports to radiogram@voanews.com .

And visit voaradiogram.net .

Twitter: @VOARadiogram .

<EOT>

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VOA NEWS

High-speed Undersea Cable to Link US, Asia

George Putic, KI4FNF
August 12, 2014

A consortium of six global companies, including Google, announced
plans to lay the world's fastest undersea cable between the
United States and Japan by the end of 2016.

The trans-Pacific cable reportedly will be capable of
transmitting digital data at a speed of 60 terabytes per second.

The $300 million system, called "FASTER," will be financed
jointly by California-based Google and five Asian technology
companies, they announced in a press release. These include China
Mobile International and the Japanese NEC Corp., which will build
the system.

The cable will feature the latest optical transmission technology
and will run between the U.S. West Coast and Japan. In the U.S.,
it will connect with hubs in Los Angeles, San Francisco, Portland
and Seattle; in Japan, it will land in Chikura and Shima. On both
ends, it's expected to seamlessly connect with other cables to
extend the data pipeline.

The agreement's signatories say the system will provide faster
transmission of digital data between two regions, which require
more and more bandwidth. Construction is expected to begin
immediately.

http://www.voanews.com/content/high-speed-undersea-cable-to-link-us-and-asia/2411062.html

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This is VOA Radiogram from the Voice of America.

Please send reception reports to radiogram@voanews.com.

VOA NEWS

NASA Probing Secrets of Van Allen Radiation Belt

George Putic, KI4FNF
August 07, 2014

One of the first discoveries of the space age, made in 1958, was
that the Earth is surrounded with a doughnut-shaped field of
highly charged particles. It was named the Van Allen radiation
belt, after its discoverer, U.S. space scientist James Van Allen.
But not much was known about it until NASA launched two probes in
2012. Scientists say the data they sent back to earth is very
exciting.

Space weather can be as unpredictable as the weather on earth.
Periodic eruptions on the sun's surface eject huge clouds of
highly charged protons and electrons.

Some of them reach the earth and cause spectacular light displays
like the Aurora Borealis or Northern Lights.

When the clouds of charged particles are unusually strong, they
can knock out power grids, disrupt communications and even damage
electronic equipment.

But most of the time they get trapped by the earth's magnetic
field in the so-called the Van Allen radiation belt.

Nevertheless, they can still inflict damage, says NASA's program
scientist, Mona Kessel.

"We also have a lot of satellites that fly through that area -
communications satellites, navigation satellites - and so we need
to understand what it is that the effects are, because the
effects can be quite dramatic," said Kessel.

To learn more about space weather, NASA in 2012 launched a pair
of satellites built by Applied Physics Laboratory. Called Van
Allen Probes, they were to explore the mysterious belt. At first
researchers expected only quantitative data, says project
scientist Barry Mauk.

"I was skeptical we would find anything surprising. In fact, we
found tremendous surprise. We found new structures that we never
anticipated," said Mauk.

The Van Allen Probes discovered that, instead of two layers, the
belt has an occasional third layer of charged particles and that
they sometimes form zones called ‘zebra stripes'. The probes
also found how the electric and magnetic fields additionally
energize the particles.

Mauk says measurements gathered by the two probes will help
scientists develop computer models for creating space weather
forecasts.

"If I see something at the sun, some flare or something, and I
can measure the magnetic field on the sun - there are remote ways
of doing that - I can now predict how will the radiation belts
respond to that," he said.

And that, he says, may lead to sending the astronauts to their
vaults or powering down the communication and navigation
satellites while this effect passes by.

"And then we also just want to understand it because it's a very
dynamic part of our whole space, above the earth, our
electromagnetic space," said Kessel.

Scientists say better understanding of the Van Allen radiation
belt will help us prepare for potential surprises from our own
sun.

http://www.voanews.com/content/nasa-probing-secrets-of-van-allen-radiation-belt/2406592.html

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Image: Screen capture from video version of this VOA News
story...

<EOT>

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This is VOA Radiogram from the Voice of America.

Please send reception reports to radiogram@voanews.com.

VOA NEWS

First Private Hi-Resolution Satellite Set to be Launched

George Putic, KI4FNF
August 12, 2014

A U.S.-based company is about to launch the first commercial
observation satellite with twice better resolution than before.

DigitalGlobe says it will launch its new satellite Worldview-3
later this week. The move comes two months after the U.S.
government relaxed its restrictions on the resolution of
commercial satellite imagery from 50 centimeters to 25
centimeters.

Images from the company's previously launched satellites are
being used by many private companies and agencies, such as
Microsoft, NASA and the National Geospatial-Intelligence Agency.
Google is using them for its popular services Google Earth,
Google Maps and Street View.

Digital Globe says the new, twice-as-sharp images from
Worldview-3, will be available starting early in 2015, making it
possible to see objects as small as 25 centimeters.

Previously, photographing such high-resolution imagery for
commercial purposes required hiring specially equipped aircraft.

Satellite imagery is increasingly used in mapping, natural
resource research, urban planning, navigation and many other
areas. According to some estimates the new satellite may help
grow DigitalGlobe's annual income by as much as $400 million.

http://www.voanews.com/content/first-private-hi-resolution-sarellite-to-be-launched/2411294.html

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This is VOA Radiogram from the Voice of America.

Please send reception reports to radiogram@voanews.com.

Voice of America press release...

Voice of America Ends Greek Broadcasts

August 11, 2014

WASHINGTON, D.C. - After 72 years on air, the Voice of America
Greek Service -- one of its longest-running language services --
is signing off today for the last time, bidding adieu to loyal
listeners in Greece, Cyprus, and beyond.

VOA Director David Ensor called the Greek Service "a small but
mighty group of talented, dedicated journalists, who for over
seven decades served as an unbiased, objective news source."

The Greek Service was established on November 1, 1942, and went
on to cover historic turning points of modern Greece, from the
civil war in the late 1940s to the accession to the European
Union, and most recently the country's struggles to remain an
integral part of the E.U.

The Greek Service was among the first services at the Voice of
America to transition to exclusively affiliate-based broadcasting
in the early 1990s. One of VOA's smallest language services, the
staff provided regular and ad-hoc content to its affiliate
stations in Greece, with unique perspectives on U.S. politics,
coverage of issues concerning the Greek-American community, and
live Q&As during major global news events.

Greek broadcasts end after 72 years

Ioannis Spanolios, general manager of one of VOA's first-ever
affiliates, SKAI Radio and TV in Greece, said, "We are saddened
because our collaboration that lasted close to a quarter century
has come to a close…because we are losing a valuable news source
from the other side of the Atlantic."

VOA Greek Service Chief Anna K. Morris said of her time with the
Greek Service, "I feel absolutely privileged to have been given
the opportunity to present American perspectives to Greek
audiences for over 22 years."

http://www.insidevoa.com/content/voice-of-america-ends-greek-broadcasts/2409860.html

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Please send reception reports to radiogram@voanews.com.

And visit voaradiogram.net.

Twitter: @VOARadiogram

Thanks to colleagues at the Edward R. Murrow shortwave
transmitting station in North Carolina.

I'm Kim Elliott. Please join us for the next VOA Radiogram

This is VOA, the Voice of America.

<EOT>

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RSID: <<2014-08-16T16:27Z OLIVIA 32-2000 @ 17860000+1500>>

Thank you for decoding the modes on VOA Radiogram.

QTH:	D-06193 Petersberg (Germany/Germania)
Ant.:	Dipol for 40m-Band
RX:	ICOM IC-R75 + IF-mixer
Software IF:	con STUDIO1 - Software italiano per SDR [SAM-USB]
Software AF:	Fldigi 3.21.83 + flmsg-2.0.4
OS:	German XP-SP3 with support for asian languages
PC:	MEDION Titanium 8008 (since 2003) [ P4 - 2,6 GHz]