Petroskowo | 8Petros [$ rm -rv /capitalism/*] @ Petroskowo

8Petros [$ rm -rv /capitalism/*]

8petros@petroskowo.pl

Mission: to mitigate death and suffering of sentient beings around me, particularly that caused by the global ecological succession.

Postproletarian, transanarchist, kolapsnik with infrastructure fetish.

Sometimes anarchist, always anti-statist and anti-capitalist.

Karmic comedic hero.

Śledź

Wiadomości sieciowe

Lubuskie, Poland

petros@slrpnk.net

https://matrix.to/#/@kanenas:synapse.tepewu.pl

https://tepewu.pl

8Petros [$ rm -rv /capitalism/*]udostępnił to.

PetMom

2 tygodnie temu • •

PetMom
2 tygodnie temu • •

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Vee

2 tygodnie temu • •

Vee
2 tygodnie temu • •

They've stopped asking... 😜

Meme shows a long-haired woman wearing a green hippyish top & long skirt.
The saying is: When I get old, they're never going to say, "What a sweet old lady". They're gonna say, "What on EARTH is she up to now?!".

Ten wpis został zedytowany (2 tygodnie temu)

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8Petros [$ rm -rv /capitalism/*]

2 tygodnie temu •

(Internet)

8Petros [$ rm -rv /capitalism/*]
2 tygodnie temu — (Internet) •

Mój wkład w światową kuchnię #fusion: #Tsatsiki na pomidorach...

#fusion #Tsatsiki

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Leszek Ciesielski

in reply to 8Petros [$ rm -rv /capitalism/*] • 2 tygodnie temu • •

@emill1984 ale, że co w tym dziwnego...

@Zbigniew 'Emill' Pławecki ♿️🎮

8Petros [$ rm -rv /capitalism/*]udostępnił to.

Lekarze oburzeni przypadkiem błonicy u dziecka, choroba była zapomniana dzięki szczepionkom

Lekarze oburzeni przypadkiem błonicy u dziecka, choroba była zapomniana dzięki szczepionkom | Donald.pl

Sześciolatek nie był szczepiony i zaraził się w Afryce.

^Donald

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renzhexiangjiao

in reply to harc • 2 tygodnie temu • •

może trzeba jakichś poważniejszych kar za nieszczepienie własnego dziecka bo jak widać kara pieniężna nie podziałała na rodziców których stać na wyjazd do Afryki

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DK4HAA - Harm

2 tygodnie temu • •

DK4HAA - Harm
2 tygodnie temu • •

I also experimented with different antenna designs today.

While following the same principle by using irrigation hose/parts and tape measure, I experimented with a dipole and 2 to 4 element Yagi designs. This is by far my favorite design: dipole with reflector (2-element Yagi).

Measuring it inside my apartment, it showed a front-to-back ratio of about 13 dB. Which is close to commercial antennas.

This will become the reference-design with option for an additional director.

Tape measure 2-element Yagi antenna with Quan Sheng handheld radio.

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F4LUB

in reply to DK4HAA - Harm • 2 tygodnie temu • •

Is the coax directly connected to the driver elements? Would you mind sharing the dimensions you used for elements and spacing? Thx :)

in reply to F4LUB

DK4HAA - Harm

in reply to F4LUB • 2 tygodnie temu • •

@F4LUB It's a dipole, so there is a slot in the center. Coax is directly connected, yes.

Dimensions are: reflector 355mm @ position 0mm. Dipole 310mm total length @ 70mm (center to center from reflector). Using 12.5mm tape it's 57.5mm edge to edge. But that dimension is not critical. I saw designs ranging from 70 to 160mm center/center.

I used the lower end of that distance to get the antenna as small as possible.

You can add a director (304mm @ 175mm from center or reflector)

@F4LUB

in reply to DK4HAA - Harm

DK4HAA - Harm

in reply to DK4HAA - Harm • 2 tygodnie temu • •

I have a PCB incoming for the dipole. So you can solder both ends to the PCB and get a rigid connection. It also has an edge mount SMA connector.

I'll post updates as soon as it arrives. It it works, I'll share the Gerber-files, so you can make your own.

Ten wpis został zedytowany (2 tygodnie temu)

in reply to DK4HAA - Harm

F4LUB

in reply to DK4HAA - Harm • 2 tygodnie temu • •

double nice !!

in reply to F4LUB

DK4HAA - Harm

in reply to F4LUB • 2 tygodnie temu • •

@F4LUB Impedance is not that important here, because it's RX only.

Impedance is influenced a lot from the surrounding, too. I get no real good reading. As soon as I move or come closer to things, it's all over the place. So not the best for TX (but I'm sure it would work).

But works for RX perfectly.

I'm painting a plan right now. Stay tuned.

@F4LUB

in reply to DK4HAA - Harm

F4LUB

in reply to DK4HAA - Harm • 2 tygodnie temu • •

Bummer, of course... I have not yet many years of practice...

And the three elements may improve the directivity of the antenna so I'll
try both.

Ten wpis został zedytowany (2 tygodnie temu)

in reply to DK4HAA - Harm

DK4HAA - Harm

in reply to DK4HAA - Harm • 2 tygodnie temu • •

Use with caution. It's late and did not double check the dimensions yet. Let me know, if there's something I can improve in the diagram.

Diagram of the tape measure Yagi antenna with all dimensions.

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in reply to DK4HAA - Harm

DK4HAA - Harm

in reply to DK4HAA - Harm • 2 tygodnie temu • •

@F4LUB Some more details. I use 3mm threaded rod inside the center of the tubing to get rigidity. Everything else is fixed to it with heat shrink tubing. I'll use glue lined hear shrink at the tape measure/cross connectors. And then normal heat shrink as protection against the sharp edges.

top view of the yagi parts on my workbench

tape measure tape with heat shrink tubing

@F4LUB

in reply to DK4HAA - Harm

F4LUB

in reply to DK4HAA - Harm • 2 tygodnie temu • •

what a lively tutorial thanks so much !

in reply to DK4HAA - Harm

F4LUB

in reply to DK4HAA - Harm • 2 tygodnie temu • •

Thanks a lot. I understood that the spacing between elements has an impact on the impedance. But I have the same HT as you, so if it works for you it will work for me :)

I just build a 2m 3 elements and it was long-ish to tune so I think I will go for two elements to start with :)

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Queer Like The Slur

2 tygodnie temu • •

Queer Like The Slur
2 tygodnie temu • •

The whole experience of the fedi is just yelling "hey nerds, I found something interesting..." into the abyss and the abyss going "fuck me, that is interesting"

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Fish Id Wardrobe

in reply to Queer Like The Slur • 2 tygodnie temu • •

that's all I need! :)

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Michał Narecki

in reply to Queer Like The Slur • 2 tygodnie temu • •

that's definitely interesting 🤓

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Violinknitter

2 tygodnie temu • •

Violinknitter
2 tygodnie temu • •

I swear, seeing people’s reactions to certain storylines in recent books and movies: some of y’all didn’t grow up in cults and it shows

And not in a good way

Escape isn’t easy, it isn’t linear, and the mind games stick with us long after we’ve left the physical space

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Violinknitter

in reply to Violinknitter • 2 tygodnie temu • •

Anyway, the point of this mini-rant is that a lot of your neighbors and co-workers are in various high-control (especially thought-control!) groups right now, both formal and informal

And if you don’t learn at least a little bit about what an invisible prison that is, you are going to continue to be blindsided by those neighbors acting seemingly completely contrary to all sense

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8Petros [$ rm -rv /capitalism/*]

in reply to Violinknitter • 2 tygodnie temu •

AND you keep being inconsiderate or straight cruel to them, without even knowing, despite feeling good.

like this

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b9AcE

2 tygodnie temu • •

b9AcE
2 tygodnie temu • •

Haahah! That "AI"-stuff is doing great!
Google a few days ago released their new "Gemma 3", where a key point is handling pictures in input, so I gave it a shot running it on my computer (unsloth/gemma-3-27b-it Q6_K).
I gave it this and just "Describe this:"
It said:
─────
Here's a description of the image you sent:

Overall: The image is a circular emblem or logo. It features bold black, white, and red colors.

Central Symbol: The most prominent element is a stylized fist clutching four broken chains. This is a common symbol associated with anti-fascist movements, representing resistance against oppression. The fist itself is colored with the colors of the Swedish flag: blue and yellow. A red stripe runs along the side of the fist.

Text:
* Around the top arc of the circle, in bold white letters, it reads "ANTIFAASCISTISK AKTION" (which translates to "Anti-Fascist Action" in Swedish).
* Along the bottom arc, also in bold white letters, is the word "STOCKHOLM".

Background: The background is black.

In ess

... pokaż więcej

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8Petros [$ rm -rv /capitalism/*]

in reply to b9AcE • 2 tygodnie temu •

However, ideological message it perceived properly.

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b9AcE

in reply to 8Petros [$ rm -rv /capitalism/*] • 2 tygodnie temu • •

@8petros Yes, it was capable of reading a very clear font and the most basic inference from the translation.
I tootally trust tools like this to trawl through people's social media accounts in order to find students to deport for having expressed political opinions now (which USA announced they will do) for example.

@8Petros [$ rm -rv /capitalism/*]

8Petros [$ rm -rv /capitalism/*]

2 tygodnie temu •

(Internet)

8Petros [$ rm -rv /capitalism/*]
2 tygodnie temu — (Internet) •

Eeeej... Dajcie coś fajnego do czytania....
#UrbanFantasy #SciFi #SpaceOpera - taki eskapizm dla ekstrowertyka...
Nawet polskie może być, jak dobre.

#scifi #spaceopera #urbanfantasy

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robryk

in reply to 8Petros [$ rm -rv /capitalism/*] • 2 tygodnie temu • •

Clockwork Rocket Grega Egana ma szansę pasować do opisu.

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in reply to robryk

timorl

in reply to robryk • 2 tygodnie temu • •

@robryk Wiesz, zastanawiałom się czy nie polecić Egana w ogólności, ale zaczynanie od Clockwork Rocket brzmi jak… powiem tak, @8petros zanim weźmiesz się za tę książkę chcesz wiedzieć że tam co naście stron jest wykres przedstawiający fizykę świata w którym się dzieje, rysowany przez postaci powieści. Fantastyczne jak coś takiego lubisz, ale jeśli nie to gorąco polecam dowolne inne książki Egana. Właściwie to iirc najbardziej na miejscu jest Distress – dobrze pamiętam robryku, że to ta co duża jej część się dzieje na tej sztucznej wyspie?