Before RSID: <<2026-10-03T23:01Z MFSK-32 @ 14070000+1500>>
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Welcome to program 469 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:
1:48 MFSK32: Program preview (now)
2:58 MFSK32: Finally, a true blue rose exists
8:02 MFSK64: Digital HF radio to remotest locations
11:04 MFSK64: This week's images
28:11 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 Science News:
Finally, a true blue rose exists
'Helper molecule' strategy solves a longstanding quest in
plant science
By Tina Hesman Saey
September 23, 2026
This development could change poetry forever. Roses are red and
now they're also blue.
True blue roses were once thought impossible. Roses can make red
and yellow pigments but don't have an enzyme needed to make blue
pigments. At least they didn't until 2004, when researchers at
the Suntory Global Innovation Center in Kyoto, Japan, genetically
modified a rose to produce blue pigments. The team inserted the
gene for an enzyme that can produce a blue pigment called
delphinidin. But those roses were purplish, suggesting it takes
more than blue pigment to make flowers blue.
Naturally blue flowers, such as irises, make blue pigments like
delphinidin. But they also need almost colorless "co-pigment"
molecules called flavone C-glycosides to create their blue hue.
Those helper molecules stabilize pigments and make them appear
deeper blue. Roses also lack genes for making the co-pigments.
This time, Suntory researchers inserted four genes from other
blue flower species into a light pink rose. A gene from
Canterbury bells (Campanula medium) allowed the engineered roses
to produce multiple blue pigments. Two genes from wishbone
flowers (Torenia x hybrida) and one from clustered gentian
(Gentiana triflora) made enzymes that produce the colorless
helper molecules. The combination of the blue pigment malvidin
with a helper called isoorientin made bluer flowers than roses
producing only delphinidin, the company announced August 25 at
the 32nd International Horticultural Congress in Kyoto. The
higher the level of co-pigments in the petals, the bluer the
flowers, the researchers found.
Roses making the co-pigments are rated as violet blue based on a
flower color chart. The rose bushes continued to produce blue
flowers for seven years in greenhouse tests in Japan and three
years growing in fields in Colombia.
The achievement is sweet. And the team hopes to further enhance
the hue.
https://www.sciencenews.org/article/true-blue-rose-pigment-copigment
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Shortwave Radiogram now changes to MFSK64 ...
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Before RSID: <<2026-10-03T23:08Z MFSK-32 @ 14070000+1499>>
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This is Shortwave Radiogram in MFSK64
Please send your reception report to radiogram@verizon.net
From IEEE Spectrum:
This Digital Radio Gets Messages to the World's Remotest
Locations
It sends encrypted signals with no satellites or relay
towers required
Margo Anderson
21 Sep 2026
Shortwave radios offer a way to connect one location on Earth to
practically anywhere else with minimal infrastructure. But these
radios come with some drawbacks—a significant one being that,
unlike satellite communications, their transmission rates for
digital data are typically measured in just hundreds of bits per
second.
Peter Bloom is the founder of Rhizomatica, a Philadelphia-based
nonprofit that has open-sourced a digital shortwave-radio set
called the High-frequency Emergency and Rural Multimedia Exchange
System, or HERMES. The set operates in the high-frequency (HF)
band from 3 to 30 megahertz, as does Mercury, its digital modem.
Rhizomatica staff travel around the globe to remote locations in
countries like Bangladesh, Brazil, and Ecuador. Wherever they go,
they use HERMES to help connect locals to the rest of the world.
Bloom spoke with IEEE Spectrum about how HERMES brings better
data rates and encryption to shortwave radios.
How does HERMES connect remote locations?
Peter Bloom: We use the ionosphere as our satellite—or
mirror—which helps us move information, voice, and data over
really long distances. We're using small radios that put out
about 20 watts of power, and we can pretty reliably do 400- to
600-kilometer links between two radios. We're talking about
places that are not easy to reach, where it's not simple to put
terrestrial infrastructure.
What can HERMES send that a basic voice radio can't?
Bloom: HERMES is a software stack—it's a set of different
programs that all work together in order to be able to send data
over HF. HERMES allows you to send pretty much any file.
Depending on what the file is, whether it's a photo or an email
or a voice memo, it just sends it as a file. It's like a data
pipeline over HF.
Why does sending files and data matter more than just voice?
Bloom: In emergency situations, people send their latitude and
longitude over HF to say, "Hey, I'm here at this place." People
need to be able to send data over HF if there's a manifest, a
parts list, telemedicine—here's what we have, here's what we
need. Instead of trying to read that out over the air, it's much
easier to just send the file. Same with a photo—if we need
evidence that an area was logged illegally, we can just have
someone send that over HF, rather than spending days getting down
the river to get the photo where it needs to go.
Why did you build in encryption that amateur-radio regulations in
many countries don't allow?
Bloom: Encryption [regulations] for ham radio operators are
different in each country. So it's all optional—you turn it on,
you turn it off. The reason we built the encryption is that some
of the partners we work with are in very sensitive areas and
don't want to be sending out information that can be easily
captured and used against them.
How has HERMES made an impact?
Bloom: We've been working with artisanal fishers in Bangladesh on
a pilot project. There's 10 or 11 boats that have HERMES systems
on them. Pretty soon after we installed those, one of the boats
had a mechanical issue in the Bay of Bengal, 100 or 200
kilometers offshore. They were able to send their GPS position
and an SOS that they were having trouble. They were able to
coordinate the rescue of the crew and the boat. So that was a
really cool moment of HERMES in action that we're super happy
about.
https://spectrum±etghermes-shortwave-radio-digital-¬ j
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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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A Scottish wildcat at Five Sisters zoo in West Calder, Scotland.
tinyurl.com/2d96cqfq ...
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A cruise ship under the Forth Bridge seen from South Queensferry
harbour, Scotland. tinyurl.com/2d96cqfq ...
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A neon green hawthorn shield bug add extra color to leaves in a
Scottish garden. tinyurl.com/2d96cqfq ...
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Rowhouses in the Washington DC area (probably Georgetown).
tinyurl.com/26ngqeou ...
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Flowers at the Townsend River Walk & Arboretum, Tennessee,
September 25. tinyurl.com/2cr6lfm4 ...
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Changing colors at the Ellerhoop-Thiensen Arboretum in
Schleswig-Holstein, Germany. tinyurl.com/237ajh3g ...
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A pair of red rumped parrots at the National Arboretum Canberra,
Australia. tinyurl.com/23luu6wh ...
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Pumpkins at Turner's Fresh Market in Waupace, Wisconsin.
tinyurl.com/29xa8x6a ...
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Jinling Elliott's night photo of the Hungarian Parliament
Building (Országház) on the Pest (Pesht) side of Budapest ...
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Our painting of the week is "The Pink Tablecloth" (1924–25) by
Henri Matisse. tinyurl.com/24hbbf3e ...
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Shortwave Radiogram returns to MFSK32 ...
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Before RSID: <<2026-10-03T23:28Z MFSK-64 @ 14070000+1499>>
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This is Shortwave Radiogram in MFSK32 ...
Transmission of Shortwave Radiogram is provided by:
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Please send reception reports to radiogram@verizon.net
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I'm Kim Elliott. Please join us for the next Shortwave
Radiogram.