BatchDrake

@batchdrake.bsky.social

71 Followers 25 Following

C/Unix ninja, PhD student in astrophysics (instrumentation, mostly). Ham radio operator (EA1IYR). I am the guy to blame when SigDigger crashes.

Picture of my toy spectrograph, with a sketchy integrating sphere.
Sound spectrogram showing the spectrum of lots of crickets at night, with a surprisingly rectangular shape around 15 ± 2.5 kHz.
Monolito conmemorativo do centenario da eclipse de 1912.
Pentode hot plating, rectifier tube glowing as it was about to explode.
Café at Madrid-Chamartin train station
Smol snail doing whatever snails do around my house.
"Que asco el problema de la tecnologia, o de estas tecnologicas, no son ellas mismas. sino que la poblacion es extremadamente subnormal. que luego esta el debate de quien hizo a quien. el hombre a la maquina o la maquina al hombre. pero la base es esa, la peña imbecil osea que no hay nada que hacer. ser imbecil reporta beneficios economicos, con lo cual la progresion sera a una imbecilidad cada vez mas extrema hasta el dia del colapso final antes tambien habia tecnologias que fomentaban la imbecilidad en parte. la tele x ej. pero era mucho mas limitado el alcance pero ahora ya es un no parar es continuo. la mierda entra, sale, vuelve a entrar, se recicla, explota, se multiplica, fluye coge presion te pega un golpe de ariete de mierda que te deja subnormal de por vida y acabas con el jordi wild y el tiktok en plan matrix"
Kéfir casero en un tupper después de 2 días
Visible spectrum overlaid on a gray background to highlight the differences in sensitivity to color perception as rendered in a RGB screen.
An old tube radio I've just fixed, playing Sheep by Pink Floyd (phono input)
Quote from the Huff post: "it has also infected every star in the solar system except one."
Greek yoghurt container, for Spanish and Portuguese markets. The label can be read as "Griego" (Greek in Spanish) and "Grego" (Greek in Portuguese)
Spectrum of my parametric amplifier, in action.
Parametric amplifier demo for 86 MHz with 16 varactors.
Picture of MCRN Hammurabi, approaching Io.
SSTV slide of the ISS featuring pictures of the Sputnik I.
86 MHz reflection mode degenerate parametric amplifier, frequency constraints given by the circulators I had at home.
Comparison of the results of ChatGPT being asked about why two mutually exclusive statements are true, one at a time. In both of them, ChatGPT was unable to point out a problem in the statement.
HF spectrum of the latest 24 hours with SigDigger
Quote from Carl Sagan's "The Demon-Haunted World".
Results of SigDigger's CI build for Windows, Linux and Mac. As of today, only Mac is failing.
Electronic circuit with mystery inputs and outputs with nothing more complex than a diode and that does black magic. If you cannot see this ask me for details.