Convertitore di potenza wireless
In questo articolo presentiamo un progetto attualissimo, di sicuro interesse per tutti i lettori. Ci occuperemo, infatti, della tecnologia legata al trasferimento di potenza elettrica…
Yaesu FR-450D Discontinued?
Word on the street is that the popular Yaesu FT-450D has been discontinued due to ‘parts issues’, the same reason given for the demise of…
Hurricane Watch Net Activating as Hurricane Isaias Approaches US East Coast
The Hurricane Watch Net (HWN) activated on 14.325 MHz on July 31 at 1500 UTC as Hurricane Isaias [pronounced: ees-ah-EE-ahs] heads toward the US on an uncertain…
Ham Radio Antenna Project: Ham Sticks on a Motorcycle!
Equipment RTL-SDR BLOG V3 UNITS AND ANTENNAS BACK IN STOCK AT AMAZON May 09, 2020 No comments Just a note that our RTL-SDR Blog V3…
NEW Icom IC-705 Unboxing from the Guv’nor
Antenna 40 Meters 4-element Wire Yagi by VE3VN December 29, 2014 No comments Read great article from VE3VN – 40 Meters 4-element Wire Yagi :…
New Technician HF Privileges Defined: ARRL board accepts final recommendations of the Band Planning Committee
During this session, the [ARRL] Board took the following actions: Accepted the final recommendations of the Band Planning Committee. Committee chair and ARRL First Vice…
Silphase R1 receiver – Videos
Recent Posts Hurricane Watch Net Activating as Hurricane Isaias Approaches US East Coast July 31, 2020 No comments The Hurricane Watch Net…
Le nuove frontiere della visione industriale
Con uno sguardo sempre attento alle nuove tendenze nel mercato della visione industriale, Image S propone soluzioni all’avanguardia, come la rivoluzionaria famiglia di sensori intelligenti…
JW7WCA Svalbard. From DXNews.com
Arne, LA7WCA will be active from Svalbard, IOTA EU – 026, in May 2021., JW7WCA Svalbard. From DXNews.com, ,
JW7RRA Svalbard. From DXNews.com
Piotr, LA7RRA will be active as JW7RRA from Svalbard Islands, IOTA EU – 026, in May 2021., JW7RRA Svalbard. From DXNews.com, ,
ZL7DX ZL7QT Chatham Islands. From DXNews.com
ZL7DX is back to Chatham Islands, IOTA OC – 038, and will be active next few years., ZL7DX ZL7QT Chatham Islands. From DXNews.com, ,
Video VK0EK Heard Island 30 July 2020. From DXNews.com
As you know, Cordell Expeditions carried out an expedition to Heard Island in Jan/Feb 1997, using the callsign VK0IR., Video VK0EK Heard Island 30 July…
ZL7STU Chatham Islands. From DXNews.com
Stuart, ZL3STU is active as ZL7STU from Chatham Islands, IOTA OC – 038, New Zealand., ZL7STU Chatham Islands. From DXNews.com, ,
Energia verde per tutti
Il tema della Green Energy è di estrema attualità: nonostante fino ad ora il recupero dell’energia ambientale sia stato effettuato solo tramite pannelli fotovoltaici o…
Controller per taglierina a filo caldo per polistirolo
Proponiamo, in questo articolo, un controller per filo a caldo a basse perdite, utilizzando un circuito dimmer a bassa tensione. Il polistirolo espanso è ampiamente…
OJ0/OH3BRJ OJ0/OH3BRK Market Reef. From DXNews.com
OJ0/OH3BRJ and OJ0/OH3BRK will be active from Market Reef, IOTA EU – 053, 6 – 7 August 2020., OJ0/OH3BRJ OJ0/OH3BRK Market Reef. From DXNews.com, ,
FCC Fines HobbyKing Nearly $3 Million for Marketing Unauthorized Drone Transmitters
The FCC has issued a Forfeiture Order (FO) calling for HobbyKing to pay a fine of $2,861,128 for marketing drone transmitters that do not comply with FCC…
ISS MAI-75 SSTV activity planned for Aug 4-5
It is planned Russian cosmonauts will transmit amateur radio Slow Scan Television (SSTV) images from the International Space Station (ISS) during August 4-5 on 145.800…
Is the Airspy Discovery HF+ sensitive on VLF? Testing with a Garrett metal detector
“It occurred to me that my Garrett metal detector is a signal source at 13.6 KHz, so I decided to test to see if the…
Lo stack di rete wireless MiWi
Analizziamo in questo articolo una soluzione semplice e a basso costo per connettività wireless short-range. Sempre più applicazioni richiedono connettività wireless a corto raggio e…
An active region belonging to Cycle 25 will begin to turn into view off the northeast limb during the next 24 hours
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…
AMSAT Partners with University of Maine WiSe-Net Lab to Develop State’s First CubeSat
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…
The new Silphase R1 SDR receiver
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,…
Sistemi Smart Radio nei settori metering e medicale
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…
