Anno: 2020

An active region belonging to Cycle 25 will begin to turn into view off the northeast limb during the next 24 hours. So far the…

The University of Maine Wireless Sensing Laboratory (WiSe-Net Lab) and AMSAT have signed an agreement to collaborate on building and operating MESAT1, Maine’s first small…

Frequency coverage RX 0.1–30MHz Frequency resolution 1Hz Dial step 1Hz to 1KHz Dual VFO Direct sampling 16bit high speed 122 M/s ADC Mode CW, SSB,…

La continua riduzione dei consumi e delle dimensioni della componentistica elettronica rende possibili applicazioni fino ad oggi impensabili, soprattutto nel mercato dei radio controlli. Moduli ricetrasmettitori…

Keysight Technologies è un’azienda tecnologica leader che aiuta le aziende, i fornitori di servizi e i governi ad accelerare l’innovazione per connettere e rendere più…

Questo articolo propone un circuito in grado di controllare il valore di un potenziometro digitale partendo da una semplice tensione analogica. Il circuito proposto permette…

TO0Z Team will be active from Saint Barthelemy Island, IOTA NA – 146, 14 – 17 September 2020., TO0Z Saint Barthelemy Island. From DXNews.com, ,

Analizziamo in questo articolo una Smart Grid e le proposte di Freescale (NXP). Gli attacchi ai computer sia pubblici che privati da parte di virus, rootkit,…

Solar activity remains at very low levels on Thursday. The lone spotted region (AR 2767) continues to transit the southeast quadrant and its not magnetically…

ARRL is launching a new webinar series to help introduce more members to the variety of activities and opportunities that radio amateurs enjoy. The ARRL Learning…

VHF Anytone AT-3318UV-A VHF and UHF June 19, 2015 No comments Anytone AT-3318UV-A  Features: 5 Watts VHF 4 Watts UHF RX & TX 136-174 MHz…

In questo articolo analizziamo caratteristiche e funzionalità del controller MCP73871 di Microchip. Praticamente tutti i sistemi portatili utilizzano oggi batterie agli ioni di litio o litio-polimeri. L’incremento…

Elvira, IV3FSG will be active from Zanzibar Island (IOTA AF-032) 19 February – 11 March 2015 as 5H1ES., 5H1ES Zanzibar Island. From DXNews.com, ,

Elvira ,IV3FSG currently active from Chad as TT8ES., TT8ES Chad. From DXNews.com, ,

Elvira, IV3FSG will be active from M’Baiki, Central African Republic starting next few days as TL8ES., TL8ES Central African Republic. From DXNews.com, ,

Elvira, XT2SE will be active again from Burkina Faso, 1 – 13 June 2019., XT2SE Burkina Faso. From DXNews.com, ,

BY Paul Stoetzer The University of Maine Wireless Sensing Laboratory (WiSe-Net Lab) and AMSAT have signed an agreement to collaborate on building and operating MESAT1, Maine’s first…

More than 12,000 have registered to attend the first QSO Today Virtual Ham Expo, August 8 – 9, QSO Today host Eric Guth, 4Z1UG, said this week. “Since the…

Review Xiegu G90 Unboxing July 07, 2020 No comments G90 is a portable 20W HF amateur radio transceiver with an SDR architecture with built-in auto…

The RSGB IOTA Contest, using the Islands on the Air concept, was created in 1993. This is now a major international event, attracting thousands of…

The University Wuerzburg Experimental Satellite 4 (UWE-4) successfully used its propulsion system in order to conduct orbit control. The 1U CubeSat, developed and built at…

Analizziamo in questo articolo alcune indicazioni per organizzare il flusso di progettazione di un sistema di alimentazione a batterie tenendo conto dei numerosi fattori in…

  GENERAL FEATURES 160-6-meter ham bands; General ‘receive’ coverage 0.5 – 56.0 MHz; All modes: SSB, CW, DIG, AM, FM; High-performance 32-bit floating-point DSP; Current…

“New RigExpert Green ZOOM Family of the antenna & cable analyzers Dear RigExpert Followers, We are glad to present you a New RigExpert Green ZOOM…

Today`s compact 100-watt HF rigs are designed to operate from about 12-16 volts, with output signal distortion, output power problems, and transceiver reset often occurring…