KNBR (AM 680) Antennas, Redwood City, CA, 2024
All the pixels, less risk of electrocution or falling, at flickr.com/photos/mattblaze/54…
KNBR (AM 680) Antenna
Redwood City, CA 10 November 2024 Rodenstock 50mm/4.0 HR Digaron-W lens (@ f/6.3), Phase One IQ4-150 digital back, Cambo 1250 camera (vertically shifted -23mm).Flickr
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China’s Grain Production: Adaptation Levels and Mechanisms to Climate Change
Newswise — The increasing risks of climate change have introduced numerous latent perils to China's food security and agricultural production, highlightingBYTESEU (Bytes Europe)
Could Anything Be More Bigoted Than Trump's Travel Bans? (Harold Meyerson/American Prospect)
prospect.org/politics/2025-06-…
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Could Anything Be More Bigoted Than Trump’s Travel Bans?
The 48 nations on his no-visa lists are united only by populations from which white Christians are almost entirely absent.Harold Meyerson (The American Prospect)
Supreme Court turns away Virginia's appeal in felon voting ban lawsuit (Zach Schonfeld/The Hill)
thehill.com/regulation/court-b…
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Supreme Court turns away Virginia's appeal in felon voting ban lawsuit
By Zach Schonfeld / The Hill. View the full context on memeorandum.memeorandum
Oil Price Surge From Israel-Iran Clash Could Boost Russia’s Economy
Oil prices spiked in the wake of the US entry into the Israel-Iran conflict, a development that could give a much-needed boost to Russia's war-weary economy.BYTESEU (Bytes Europe)
globalist.it/world/2025/06/23/…
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Hey folks in #Saanich #VictoriaBC & surrounding areas - come out for 2025 #StrawberryFestival 🍓
I'll be out there, volunteering at the event. Helping to raise funds for the LIFE program which provides a subsidized pass for disabled & low income people to access local recreational centres & programs. Come & see me there 😀
Join Saanich in celebrating the 58th annual Strawberry Festival. This #FamilyFriendly, fun, #FreeEvent features live music, kids' activities, bouncy castles, information booths, arts and craft stations and, of course, the traditional servings of #strawberries and ice cream. Scroll down to see information on vendors, music, activities and more!
When: Sunday, July 6, 2025, 11 am - 4 pm
Where: Beaver Lake Regional Park, 728 Beaver Lake Rd, main parking lot.
saanich.ca/EN/main/parks-recre…
#Wsanec #PublicEvent #CommunityEvent #Volunteering #YYJEvents #FreeParking #YYJ #SummerEvents #VancouverIsland #VanIsle #FunForEveryone #FreeFun
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coloradosun.com/2025/06/23/fos…
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@indieauthors
🌞 Hello #fediverse! This is GBH #News bringing you the world from #Boston. It's 83F at Logan Airport and visibility is 10mi.
Over the weekend, the US entered into Israel's war with Iran. Protesters took to the streets in Boston and elsewhere to condemn the war.
The Oklahoma Thunder beat the Indiana Pacers to win the NBA championship.
#OnThisDay in 1972, Title IX was signed into law, sparking a revolution in womens' sports.
existentialcomics.com/comic/60…
Nietzsche vs Jesus
A philosophy webcomic about the inevitable anguish of living a brief life in an absurd world. Also Jokesexistentialcomics.com
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Nietzsche: Christianity convinces the poor and weak to become conformable with their poverty and weakness.
Jesus: You're weak and poor
Yeah, Nietzsche won this argument.
@existentialcomics
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Observation @ 2025-06-23T16:04:34.505Z
Current temp: 94° F (feels like 113° F) Wind: Southwest 1 mph Humidity: 64% Dewpoint: 80° F UV: 7 High PM2.5 AQI: 67Claremont Wx
Tesla's $100 Billion Robotaxi Rally
https://gizmodo.com/teslas-100-billion-robotaxi-rally-2000619000?utm_source=flipboard&utm_medium=activitypub
Posted into Tech @tech-Gizmodo
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Matt Blaze
in reply to Matt Blaze • • •Rodenstock 50mm/4.0 HR Digaron-W lens (@ f/6.3), Phase One IQ4-150 digital back, Cambo 1250 camera (vertically shifted -23mm).
This simple photo pushed the 50mm lens to the limits of its image circle with the large shift required to keep the tall antenna mast fully in the frame while maintaining its geometry. Hard vignetting of the upper corners was visible in the full sensor image, but fortunately the composition benefited from a narrower aspect ratio that cropped out the dark corners.
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Matt Blaze
in reply to Matt Blaze • • •This distinctive stacked dual antenna arrangement is used to lower the radiation angle of the antenna, concentrating transmitted power to the "ground wave" and reducing energy that would otherwise be sent upward into the sky.
The smaller (300 foot) freestanding mast in the background left is not in current use. It can be used as an emergency spare antenna for KNBR during maintenance of the taller main antenna.
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Matt Blaze
in reply to Matt Blaze • • •Google Earth
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Matt Blaze
in reply to Matt Blaze • • •Note, important safety tip: you can get closer to this tower without clearly trespassing or jumping fences than most other 50KW broadcast antennas I've encountered. I measured a field strength of over 80V/m a bit outside the tower fence, which is an incredibly strong signal (though still within OSHA limits at the frequency involved).
Resist any temptation to jump the fence and climb the (energized) tower. You'd be electrocuted as soon as you touch it.
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AI6YR Ben
in reply to Matt Blaze • • •Mark T. Tomczak
in reply to Matt Blaze • • •Oh good. My fear of heights is saving me from another previously-unknown grisly fate.
Thanks ancestors who watched my non-ancestors fall out of trees!
Matt Blaze
in reply to Matt Blaze • • •AM broadcast is a technically interesting and somewhat endangered medium. The low frequencies mean that signals routinely travel well beyond their local coverage areas, especially overnight in winter. So there's a bit of mystery in tuning around the dial late at night; you never know what you might pick up.
Sadly, industry consolidation and the growth of higher bandwidth media (FM, satellite, podcasts) has greatly reduced the variety and local focus of programming. But it somehow hangs on.
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spectrophagus
in reply to Matt Blaze • • •agreed, and many of those unique, local broadcasters are operating at relatively low power levels, while the QRM from poorly shielded switching electronics gets louder every day.
kind of feels like MW AM isn't the only communication medium suffering this kind of SNR degradation lately.
David Goren
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WWL The Road Gang w-John Parker 09-1989 pt 1
SoundCloudMatt Blaze
in reply to David Goren • • •Michael Weiss
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in reply to Garrett Wollman • • •@wollman @dwmalone And I'm reminded of WGU-20 on 179kHz, which was intended to be one site in a national emergency network.
(Their gigantic tower, just outside Baltimore, was demolished a few years ago)
Stan Wonn 🏳️🌈 🌹
in reply to Matt Blaze • • •cpm
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Unknown parent • • •@0xF21D @ai6yr Oh, that's awesome.
The coolest site I've been to (sadly no photos) is the transmitter/combiner room at (almost) the top of the Empire State building. There are Xray warnings near some of the TV transmitters. Definitely kept a respectful distance!
Dave Holland
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in reply to Matt Blaze • • •radio station in Redwood Shores, California
Contributors to Wikimedia projects (Wikimedia Foundation, Inc.)Matt Blaze
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