Miguel VK3CPU - RF Toroid Calculator v0.7 https://miguelvaca.github.io/vk3cpu/toroid.html

#calc #toroid

https://www.theatlantic.com/science/archive/2021/03/nasa-james-webb-space-telescope-pirates/618268/

#news

https://k0lwc.com/direction-finding-points-to-cuba-jamming-ham-radio-frequencies/

#jaming

https://www.reddit.com/r/amateurradio/comments/okjo7x/cuban_government_jamming_the_40_meter_band_in/ https://www.youtube.com/watch?v=gVJS4skdtR8 https://forums.qrz.com/index.php?threads/cuban-governme

#jaming

este dia prenden un transmisor de "sparkgap" para CW https://alexander.n.se/alexanderson-day-2021/?lang=en The annual transmission event on the Alexanderson Day with the Alexanderson Alternator from 1

#vlf #saq

La Federación de Radioaficionados de Cuba (FRC) celebrará su 55° aniversario este 15 de julio de 2021. Aunque limitados por la presencia de la Covid-19 y las condiciones de aislamiento sanitario, los

#noticias #iaru2

https://www.thespacereview.com/article/4198/1 https://www.youtube.com/watch?v=c09m-2qiMgE

#sat #space

The LibreCellular project aims to make it easier to create 4G cellular networks with open source software and low cost software-defined radio (SDR) hardware. Seeking to achieve this via validated hard

#4g #sdr

https://www.aalto.fi/en/news/anyone-can-get-super-hearing https://www.nature.com/articles/s41598-021-90829-9 https://www.youtube.com/watch?v=HMkZs7a1nQc

#articulo

https://destevez.net/2021/06/rain-backscatter-on-10-ghz/

#lectura

https://www.youtube.com/watch?v=LMxate9gegg

#video #doc

https://twitter.com/M0VTE/status/1399087099534528526/photo/1 http://www.kc7nod.20m.com/static_dis.htm http://www.ad5x.com/images/Articles/Static%20Bleed.pdf

#antenas #diy

tiene imágenes :D https://www.sciencedirect.com/science/article/pii/S0264127520308819

#antenas #diy

https://medium.com/geekculture/howto-running-the-1g-analog-phone-from-1997-3caec77a9df9

#diy #analog

ultimo día para pedir PiMod Zero by Isotope Engineering Raspberry Pi Zero RF Video Modulator https://www.crowdsupply.com/isotope-engineering/pimod-zero

#publicidad

entre el 2021/5/16 y 2021/5/17 Earth's magnetosphere went completely wonky last night due to a proton burst https://www.reddit.com/r/amateurradio/comments/neudhz/earths_magnetosphere_went_completely_w

#propagación

https://fabiensanglard.net/lte/index.html libro "An Introduction to Lte" https://huaweicup.ru/upload/iblock/542/542b5f58788c60b2864ffe71d920e820.pdf

#radio #lte

SeaGlass is a system designed by security researchers at the University of Washington to measure IMSI-catcher use across a city. https://seaglass.cs.washington.edu/

#4g #imsi

https://github.com/seemoo-lab/mobisys2018_nexmon_software_defined_radio

#sdr #rpi

1 - https://stackoverflow.blog/2021/05/10/dont-push-that-button-exploring-the-software-that-flies-spacex-starships/ 2- https://stackoverflow.blog/2021/05/11/building-a-space-based-isp/

#starlink #lectura