Antena loop para la banda 40m

Día de campo con antena loop para 40m #hamradio #cwops

Graphic from article showing model cross-validation results for 8 PFT data, scatter plots comparing predicted and actual values for eight PFTs, and comparison of the accuracy of the proposed model with other models.

PFTs from OCI using HyperPFT, an innovative deep ensemble learning framework for precise phytoplankton functional types retrieval.
www.sciencedirect.com/science/arti...

@radionacional.bsky.social RTVE anuncia el cierre de las emisiones en onda media. Otro ejemplo de como decisiones arbitrarias de personas de capital, les hacen la vida imposible a personas de zonas rurales de difícil cobertura. Vamos para atrás!

Sea surface warming faster than expected Satellite observations show that sea-surface temperatures over the past four decades have been getting warmer at an accelerated pace.

Global sea surface temperature is rising faster than expected 🌊🌡 A study led by Chris Merchant from @uniofreading.bsky.social, shows that ocean warming has accelerated from 0.06 C to 0.27 C since the 1980s – partly due to the Earth's growing energy imbalance. Read more: www.esa.int/Applications...

Today I rescued from the scrap a magnificent telegraph key known as the Swedish pump, and I spent the whole afternoon restoring it. #hamradio #cw #skcc

Está parando también en otras ramas de la ciencia, sobre todo las ramas ambientales. Recuerdo las afirmaciones al inicio de internet, sobre las enorme herramienta que se presentaba a la inteligencia humana; al final está resultando una mejor herramienta para la estupidez

Esto es así.

UKRAINIAN AMATEUR RADIO MANUFACTURER
SUFFERS MISSILE ATTACK
Press release

medxr.blogspot.com/2025/02/ukra...

Today I will practice simultaneously with iambic and semi-automatic keys, and very old Accukeyer. #hamradio #CW #AmateurRadio #morsecode #Radioaficionados

Today it's time for maintenance work on my old Decca KW-109 antenna coupler E-Z Match Network. #hamradio