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@mcdanlj@social.makerforums.info
2025-09-28 23:03:42

Today's 5W QRP #HamRadio #POTA activation of US-4857 Jordan Lake Educational State Forest was fun radio therapy. Successful QSOs on 30 meters, 20 meters, and 17 meters. Ironically, I set up a 40m end-fed half-wave antenna, and then only one of the 10 QSOs was on a resonant ban…

Map of the continental US showing the paths for ten morse code conversations using only 5 watts.
Map of part of the northeast US showing 5 watt conversations when I was the one calling CQ (any station).
@andres4ny@social.ridetrans.it
2025-08-28 21:53:03

My 13yo held up a glass of water and asked me if it had microplastics in it. "Probably," I replied. He then said he wasn't going to drink it, and I told him that microplastics are EVERYWHERE. You can't avoid it, they're in all the water and air. I explained that it's a problem we need to solve at society's level - a huge amount of environmental microplastics come from car tires, and we need to wean ourselves off of fossil fuels.
He and the 8yo both then as…

@tinoeberl@mastodon.online
2025-11-26 12:13:02

🍮 Wissen zum Nachtisch: 🍨
Was genau zählt eigentlich als #Mikroplastik?
Die Europäische Union, das Umweltprogramm der Vereinten Nationen und #Umweltschützer verwenden überraschend unterschiedliche Definitionen. Wer wissen will, wie Mikroplastik definiert wird und woraus …

@mcdanlj@social.makerforums.info
2025-10-26 23:38:17

We had a surprise opportunity to go to the beach this weekend, near Southport NC. I have the weird preference to sling my hammock under the house, between the clotheslines, instead of sleeping indoors. Half camping? I use a big rubbermaid box as my "suitcase" and put my shoes on it overnight... It was cold at night, but an underquilt and reflecting bubble insulation in the hammock, with an inflatable mattress on top of my down sleeping bag, kept me cozy.
My wife and I went to …

Map showing lines indicating 57 Morse code ham radio contacts, throughout much of the US and one in Canada. All done on 5W or less of power; some were 2–3W.
Sunrise with a ham radio wire antenna dangling from a fiberglass push-up mast at one side. The picture doesn't do the sunrise justice.
Hammock slung under an elevated beach house, tied to pilings, with a beautiful sunrise in the background. It was a great way to wake up!
@thomasfuchs@hachyderm.io
2025-10-26 14:31:15

Stop Giving Harm a Microphone by Andrea Fomera
"But still, it’s caused me to want to withdraw myself and disengage in the communities I found purpose and belonging in. This is a direct consequence of giving microphones and amplifying the behavior of people who post their “opposing views” online and engage in bad faith arguments."
afomera.dev/posts/2025-10-25-s

@NFL@darktundra.xyz
2025-08-28 23:02:07

With Micah Parsons trade following Luka Dončić blockbuster, Dallas sports fans continue to have miserable year

cbssports.com/nfl/news/with-…

@tinoeberl@mastodon.online
2025-10-26 12:13:02

🍮 Wissen zum Nachtisch: 🍨
Was genau zählt eigentlich als #Mikroplastik?
Die Europäische Union, das Umweltprogramm der Vereinten Nationen und #Umweltschützer verwenden überraschend unterschiedliche Definitionen. Wer wissen will, wie Mikroplastik definiert wird und woraus …

@tinoeberl@mastodon.online
2025-09-26 11:13:02

🍮 Wissen zum Nachtisch: 🍨
Was genau zählt eigentlich als #Mikroplastik?
Die Europäische Union, das Umweltprogramm der Vereinten Nationen und #Umweltschützer verwenden überraschend unterschiedliche Definitionen. Wer wissen will, wie Mikroplastik definiert wird und woraus …

@mcdanlj@social.makerforums.info
2025-10-27 12:02:11

In the Skyraider II crash in Oklahoma the other day, I hadn't previously seen this angle showing the stop sign. I guess they did eventually come to a complete stop!
(Everyone on the ground and in the plane was OK, thanks to a driver with a dashcam noticing and swerving out of the way, whence this sti…

Screen capture from video about the recent Skyraider II crash, showing that the plane took out a stop sign on its way down.
@mcdanlj@social.makerforums.info
2025-08-28 00:57:10

I'm looking for inexpensive linear actuators. I bought a $15 unit that uses an M3x0.5mm threaded rod and it's not horrible, but the effector has a lot of backlash. This has more stroke than I need; I only need about 65mm of stroke. But I wouldn't want to be particularly larger than this. Roughly 20mm x 20mm x 100mm would be my target envelope.
I'll fall back to using this with backlash compensati…

Image of linear actuator with integrated 18° stepper motor, with dimensions included, primarily in imperial measurements.