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Welcome to program 459 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:
1:44 MFSK32: Program preview (now)
2:55 MFSK32: Scientists will watch SpaceX rocket crash into moon
7:00 MFSK64: Radio Taiwan International at Japan ham festival
10:49 MFSK64: This week's images
28:15 MFSK32: Closing announcements
Please send reception reports to radiogram@verizon.net
And visit http://swradiogram.net
We're on Bluesky now: SWRadiogram.bsky.social
And X/Twitter: @SWRadiogram
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From Phys.org
When a SpaceX rocket crashes into the moon, scientists will be
watching
by Paul Arnold
July 21, 2026
On August 5, 2026, an abandoned piece of space junk is predicted
to crash into the moon near a spot called Einstein Crater.
Astronomers will be watching because the collision and aftermath
may be visible from Earth.
The crash is a rare opportunity to record an artificial impact in
real time. It will also let scientists test a new method for
pinpointing exactly where objects strike the moon, which could
help prepare for future lunar seismic experiments.
A new paper available on the arXiv preprint server calls on the
scientific community to observe the event, encouraging both
professional and amateur astronomers to get involved.
Collision course
The object on a collision course with the moon is the upper stage
of a SpaceX Falcon 9 rocket (cataloged as 2025-010D). It began
its journey in January 2025 when it successfully launched two
private robotic landers toward the moon.
Once the rocket stage had boosted these landers onto their
trajectories toward the moon, it ran out of fuel and couldn't
propel itself safely into deep space or head back down to Earth
to burn up in the atmosphere. Instead, it has been drifting.
The object, which is roughly 12 meters (39 feet) long, 4 meters
(13 feet) wide and weighs approximately 4,000 kilograms, is
expected to smack into our satellite at about 8,750 kilometers
per hour (5,400 mph). So what will happen then?
To work out what the impact will look like, the paper's authors
took tracking data calculated by astronomer Bill Grey and fed it
into a high-tech physics simulator. The resulting computer models
suggest that because the rocket is a hollow metal shell, it is
unlikely to penetrate as deeply as a typical solid asteroid.
Instead, the structure will be crushed on impact, blasting open a
brand-new crater roughly 20–30 meters (66–98 feet) wide and
launching a massive cloud of lunar dust several kilometers above
the surface.
This dust cloud is exactly what researchers are hoping people
will be looking for. As they write in their paper, "Potential
observables from this event include the flash at the time of
impact ... and the ejecta plume."
Set your alarms
The collision is due to happen on the moon's visible side, and
observers will need cameras that can shoot video at very high
speeds, according to the authors. Timing is going to be
everything. At the moment, the debris is expected to crash-land
at 06:35 UTC.
https://phys.org/news/2026-07-spacex-rocket-moon-scientists.html
Shortwave Radiogram now changes to MFSK64 ...
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This is Shortwave Radiogram in MFSK64
Please send your reception report to radiogram@verizon.net
From Radio Taiwan International:
Rti meets listeners face-to-face at KANHAM 2026
20 July 2026
Radio Taiwan International (Rti) participated in Kansai's largest
amateur radio festival KANHAM 2026 last weekend. Rti's
Japanese programs have been voted most-popular overseas
Japanese-language broadcast by local radio clubs for two
consecutive years, and now they were able to connect directly
with new and old listeners alike.
KANHAM 2026 was held July 17 and 18, and attracted nearly 10,000
radio enthusiasts from home and abroad. It's widely known as the
most representative amateur radio event in the Kansai region,
catering to equipment manufacturers, industry professionals,
government and academic organizations, and private groups.
Rti President Chang Jui-Chang ((張瑞昌) led a delegation from the
Japanese department to participate for the first time. The group
distributed information, limited-edition gifts, and even
interviewed attendees.
Using on-site recording equipment set up by the delegation, Rti's
booth invited visitors to record programs and share their
impressions of Taiwan. Among the interviewees were the president
of the widely-popular Japan Amateur Radio League, well-known
electric guitar players, and others exposed to Rti for the first
time. A stand-out first-time guest was an elementary school
student visiting with parents, who said he'd like to travel to
Taiwan following his interview with Rti's hosts.
Rti's Japanese department turns 76 in 2026, and has been deeply
involved in the Japanese market for years – fostering deep
connections with its listeners. In both 2024 and 2025, the
Japanese programs won first place in the most popular shortwave
radio station and the best regular Japanese-language broadcast
service by the Japan Shortwave Radio Club.
Rti's president cited this connection with listeners as one of
shortwave radio's best qualities. He said that, in the future,
Rti hopes to reach out to a wider and younger audience through
participating in more international exhibitions and introducing
Taiwan to Japan through Rti's programming.
The KANHAM 2026 was a great demonstration of Rti's connection
with Japan, and the delegation clearly felt the warmth and
support of the Japanese participants. Chiang said Rti will
continue to communicate with others through its international
broadcasts, seeking to deepen non-governmental interactions
between Taiwan and Japan, and act as a bridge for diverse forms
of international media cooperation.
https://www.rti.org.tw/en/news?uid=3&pid=221387
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Image: Rti broadcaster conducting interview at KANHAM 2026 ...
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This is Shortwave Radiogram in MFSK64
Please send your reception report to radiogram@verizon.net
This week's images ...
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An aircraft drops fire retardant on a blaze named Little Fire
near Pleasanton, California. tinyurl.com/24e73sul ...
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Comet 2025 R3 PanSTARRS, telescopic image created from 45
one-minute exposures. tinyurl.com/2chutntv ...
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Sunset on the west coast of Scotland. tinyurl.com/2dod92we ...
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Smoke Maryland caused the waxing crescent moon to appear deep
orange, July 17. tinyurl.com/2aonc9ja ...
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Poor air quality July 17 at the Kenilworth Aquatic Gardens did
not deter the water lilies. tinyurl.com/27fztret ...
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Elakala Falls at Blackwater Falls State Park, West Virginia.
tinyurl.com/2xwjgr76 ...
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A flower at Arboretum Trompenburg in Rotterdam.
tinyurl.com/292prsc4 ...
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Five trash carts in Du Quoin, Illinois. tinyurl.com/27wkvs9c ...
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A narrow street in Sicily. tinyurl.com/2c2y9z5s ...
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Our painting of the week is "Engadiner Landschaft mit Silvaplaner
und Silsersee" (1954) by Oscar Nussio (Swiss, 1899-1976).
tinyurl.com/25wyern5 ...
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Shortwave Radiogram returns to MFSK32 ...
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Before RSID: <<2026-07-25T02:58Z MFSK-64 @ 14070000+1488>>
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This is Shortwave Radiogram in MFSK32 ...
Transmission of Shortwave Radiogram is provided by:
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and
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Please send reception reports to radiogram@verizon.net
And visit http://swradiogram.net
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I'm Kim Elliott. Please join us for the next Shortwave
Radiogram.