Mese: Maggio 2020
L’agricoltura smart offre precisione e affidabilità
Le tecnologie di rilevamento e la sensoristica stanno cambiando il settore dell’agricoltura moderna. I sensori per l’agricoltura smart possono aiutare nella corretta gestione delle colture…
UK CB Radio Anniversary 27/06/2020
It’s almost that time of year again! Way back in 2014, AM and SSB were finally legalised here in the UK. Many people thought it…
8P5A Barbados. From DXNews.com
Tom, W2SC will be active as 8P5A from Barbados Island, IOTA NA – 021, in CQ WW WPX CW Contest, 30 – 31 May 2020.,…
KC4USV McMurdo station. From DXNews.com
W2EMT, AF7DJ and WY7AA are currently active from McMurdo station, (IOTA AN-011), Antarctica as KC4USV., KC4USV McMurdo station. From DXNews.com, ,
A71EM Qatar. From DXNews.com
Juma, A71EM will be active from Qatar in CQ WW WPX CW Contest, 30 – 31 May 2020 as A71EM., A71EM Qatar. From DXNews.com, ,
Balloons with APRS Payloads to Race Across North America in Educational Challenge
It all began when Amateur Radio on the International Space Station (ARISS) educator Joanne Michael, KM6BWB — a science coach at the Wiseburn Unified School…
Social Distancing Exam Sessions Demonstrate Pent-Up Demand for Testing
A recent in-person “social-distancing” amateur radio exam session in Indiana and a “drive-in” session in California are representative of those that are relieving some of…
ATMEGA328 SSB SDR FOR HAM RADIO
Antenna Drone Antenna May 19, 2020 No comments “Let’s see if my new DJI Mavic Mini can lift a long wire to be used as…
New RSGB Online exam remote invigilation FAQ
New RSGB Online exam remote invigilation FAQ The RSGB have released a new version of the Online exam remote invigilation FAQ PDF which covers the…
Amazing opening on 144 MHz from Cape Verde Islands to Poland
On Friday the 29th of May 2020, there was an extensive Sporadic-E opening across Europe which reached as high as 144 MHz allowing stations across the continent to…
Come creare un oscilloscopio da una scheda audio
È un modo parecchio strano per “farsi da sè” un oscilloscopio: eppure si può fare. Oscilloscopi e schede audio condividono differenti componenti, ma nella fattispecie…
Safety Tutor System con Arduino
L’obiettivo dell’articolo è mostrare come sia possibile realizzare un Safety Tutor System, un rilevatore di velocità media, utilizzando Arduino UNO ed una coppia di sensori…
Teoria e applicazioni dei sensori magnetici digitali
I sensori magnetici rivestono una importanza fondamentale in numerose applicazioni nei settori dell’elettronica di consumo, automotive, industriale e robotica. Assenza di parti meccaniche in movimento,…
Temporary Rule Waivers Announced for 2020 ARRL Field Day
With one month to go before 2020 ARRL Field Day, June 27 – 28, the ARRL Programs and Services Committee (PSC) has adopted two temporary rule…
Fldigi v4.1.13 now available
The hard-working development team led by W1HKJ have announced the release of Fldigi v4.1.13. This maintaneance release of Fldigi brings several bug fixes, performance improvements and several new features…..
CQ WPX Contest CW : May 30 – 31
Photo by PY3VK – QTH ZX5J – PT5J – PP5JR 2020 CQ World-Wide WPX Contest SSB: March 28-29, 2020 CW: May 30-31, 2020 Starts: 0000…
K3LR Antenna Project
Antenna X-Quad antennas for 2m and 70cm September 25, 2017 No comments Photo: EA5FUZ The X-Quad is an improved design of the well known multi…
Abbree Foldable Tactical Military Antennas – 18.5″, 28.5″ & 42.5″ Comparison!
Antenna Drone Antenna May 19, 2020 No comments “Let’s see if my new DJI Mavic Mini can lift a long wire to be used as…
Come usare i batteri per memorizzare informazioni
Oggigiorno siamo abituati a vedere sistemi di memorizzazione basati su dischi magnetici, elettromeccanici o elettronici. Eppure, tramite diverse ricerche, stanno nascendo nuovi sistemi per memorizzare…
La compensazione dei sensori di temperatura
Chiunque utilizzi sensori o trasduttori di diverso genere ha senz’altro verificato quanto la loro precisione venga condizionata dalle variazioni termiche; ha anche constatato come la…
One Radio Amateur Aboard Historic SpaceX Launch
If all goes according to plan, NASA astronauts Bob Behnken, KE5GGX, and Doug Hurley will make US space history today [May 27], as human spaceflight…
Hurricane Exercise Carried Out in Southeastern US
A pre-hurricane season exercise was carried out on May 16 for radio amateurs and the National Weather Service (NWS) in the southeastern US. The scenario…
RADIODDITY GS-5B ANALOG RADIO | 5W | DUAL PTT | BLUETOOTH PROGRAMMING | S-METER | USB CHARGING
Professional VHF UHF Radio: Dual band, dual watch, dual standby, up to 128 channels. Equipped with an 8.9-inch long antenna, this solid 5W radio can reach…
Ham Radio REMOTE Testing with W5YI – Get Your License NOW!
Antenna Drone Antenna May 19, 2020 No comments “Let’s see if my new DJI Mavic Mini can lift a long wire to be used as…
AM and Single Sideband Signal Spectra
Equipment HF Mini Whip Active Antenna 10Khz – 30 MHz May 25, 2020 No comments Read more Rotator Genius – 4O3A May 24, 2020 No…
