Search Articles — Sudonull

https://sudonull.com/esp32-s3-internet-radio-code-and-schematic

Assemble internet radio on ESP32-S3 with UDA1334 and OLED. Full code, I2S connection, web interface. For middle/senior IoT developers.

https://sudonull.com/wspr-protocol-python-encoding-of-callsigns

Study the WSPR design for HF radio: 4-FSK modulation, data packing into 50 bits, code examples for callsigns and locators. Implement signal propagation analysis.

https://sudonull.com/spacex-starship-laser-data-transmission-system-2200-km-test

SpaceX tested laser communication on Starship for the first time without radio interference. Learn how this changes space communications and prepares a revolution by 2027. Read the analysis.

https://sudonull.com/quantum-effect-for-powering-chips-from-air-without-batteries

Scientists have discovered the nonlinear Hall effect in bismuth telluride, allowing microchips to be powered by radio signals. Learn about the technology that will rid sensors of batteries in the 6G era.

https://sudonull.com/tkinter-todo-search-filters-csv-export

Implement status filtering, real-time search and CSV export in Tkinter ToDo. Full code with Combobox, radio buttons and csv.writer. For middle/senior developers.

https://ymaho.com/what-is-the-gold-silver-ratio-and-how-to-use-it

Learn what is the gold silver ratio and how to use it to gauge market sentiment, identify relative value, and make smarter precious metals investment decisions.

Radio Mobile WEB Site - VE2DBE

https://www.ve2dbe.com/english1.html

Dec 2, 2023 · Radio Mobile software is a copyright of Roger Coudé VE2DBE. Radio Mobile is dedicated to amateur radio and …

Radio Mobile - RF propagation simulation software - Welcome...

http://radiomobile.pe1mew.nl/

May 3, 2025 · The program simulates RF propagation and is for free to the amateur radio community. I hope that this website will be …

Radio Mobile

http://radiomobile.rfsee.nl/

Radio Mobile is software that simulates RF propagation and is dedicated to amateur radio and humanitarian use. Although …

Radio Mobile - RF propagation simulation software

http://radiomobile.pe1mew.nl/?About_Radio_Mobile

Radio Mobile is dedicated to amateur radio and humanitarian use. Radio Mobile is free of charge but not open source. Although …

Radio Mobile Online - VE2DBE

https://www.ve2dbe.com/rmonline_s.asp

Perdu votre nom d'utilisateur ou le mot de passe... Perdiste tu nombre de usuario o contraseña... Dimenticato username o password...

Radio Mobile Online - Online RF propagation simulation software

http://radiomobileonline.pe1mew.nl/

Nov 23, 2022 · Radio Mobile Online is a radio wave propagation prediction tool dedicated to amateur radio. It uses digital terrain …

Home - Public Safety Mobile Data Technology Products in California ...

https://radiomobile.com/

RadioMobile offer mobile data technology products for first responders with early access to mission critical situational awareness …

Radio Mobile - G3TVU

http://www.g3tvu.co.uk/Radio_Mobile.htm

Radio Mobile is a Free Radio Propagation simulation program which operates over the frequency range of 20MHz to 20GHz. It is …

Radio Mobile Online - Online RF propagation simulation software - Radio …

http://radiomobileonline.pe1mew.nl/?Radio_Mobile_Web

Recently Roger started learning programming in VB.net. The goal is to eventually get rid of the old VB6 limitations and have a new …

Radio Mobile Handbooks - G3TVU

http://www.g3tvu.co.uk/Radio_Mobile_Handbook.htm

This Handbook is a ‘must have’ reference for anyone wishing to quickly explore the workings of Radio Mobile in all its facets and to …