Mese: Agosto 2020
Progettazione dei DC/DC converter
Oggetto di questo nuovo appuntamento con la rubrica Firmware Reload sarà la progettazione dei convertitori DC/DC. Si riducono sempre di più le tensioni di alimentazione…
Trans-Atlantic opening on 144 MHz between the Canary Islands & the Caribbean
It looks as if there is a remarkable tropo opening in progress at the moment with EA8CXN on the Canary Islands making contact with several…
Hurricane Watch Net Logs More than 29 Hours of Continuous Operation for Laura
The Hurricane Watch Net (HWN) logged 29.5 hours of continuous operation in advance of Hurricane Laura, beginning at 1300 UTC on August 26, and after…
AUXILIARY DISPLAY MAKES HAM RADIO FIELD OPERATIONS EASIER
As popular as the venerable Yaesu FT-817 transceiver might be with amateur radio operators, it’s not without its flaws, particularly in the user interface department….
Digi-Key Electronics annuncia una partnership globale con EAO Corporation per il nuovo selettore di prodotti digitale
Digi-Key Electronics, distributore globale di componenti elettronici, ha annunciato l’ampliamento della propria offerta di strumenti con la firma di una partnership globale con EAO per offrire ai…
OPEK HCS-100 First Look by Dr Awesome
Video:YouTube/DrAwesome Here we have a first look at the new OPEK HCS-100 10/11m antenna. There’s been a lot of interest in this antenna due to…
TI7W Costa Rica. From DXNews.com
TI7W Team will be active from Costa Rica in ARRL DX CW Contest, 15 – 16 February 2020., TI7W Costa Rica. From DXNews.com, ,
PIC 16F1512/13
I PIC 16F1512/13 sono dotati di tecnologia XLP, volta al basso consumo: un oscillatore interno a 31 KHz, un regolatore di tensione LDO che fornisce…
FCC proposes new fees for amateur radio licenses
On Wednesday, the FCC released a Notice of Proposed Rulemaking (NPRM) in MD Docket 20-270 which implements portions of the Repack Airwaves Yielding Better Access for Users of…
Quando CPU e DSP si incontrano
In questo articolo della rubrica Firmware Reload affrontiamo una introduzione ai dispositivi mixed-processor OMAP-L132 di TI. Se nel mondo delle logiche programmabili è sempre più forte…
NEW 10/11m Antenna – OPEK HCS-100
Look out folks, there’s a new 10/11m home base antenna on the block – The OPEK HCS-100 Described as being like the Antron 99…
FCC Grants Temporary Waiver to Permit PACTOR 4 for Emergency Communications
The FCC has granted an ARRL request for a 30-day waiver to facilitate relief communications in the wake of Hurricane Laura. The waiver temporarily permits…
Amateur Radio Volunteers Ready as Deadly Hurricane Laura Makes Landfall
Amateur Radio Emergency Service (ARES®) teams along the Gulf Coast were ready to assist as needed after Hurricane Laura made landfall as a powerful and…
Amateur Radio Volunteers Prepare to Greet Dangerous Hurricane Laura
Hurricane Laura Amateur Radio Emergency Service (ARES®) teams along the Gulf Coast have plans in place to deal with Hurricane Laura, now expected to make…
Hurricane Watch Net Firms Up Wednesday Activation Plans
With Hurricane Laura set to make landfall late Wednesday or early Thursday, the Hurricane Watch Net (HWN) will activate at 1300 UTC on Wednesday, on…
Soluzioni di accesso al veicolo
Oggetto di questo articolo della rubrica Firmware Reload, saranno microcontrollori, transceiver e transponder per applicazioni RKE, Passive Entry/Go e immobilizer. Quasi tutti i modelli di…
Protezione da sovratensione
Benvenuti a un nuovo appuntamento con la rubrica Firmware Reload. Analizziamo in questo articolo alcuni dispositivi di protezione contro i picchi di tensione, che garantiscono…
5T5PA Mauritania. From DXNews.com
Johannes, PA5X will be active as 5T5PA from Mauritania, starting 17 February 2019 for coming 6 month., 5T5PA Mauritania. From DXNews.com, ,
Hurricane Watch Net Announces Tentative Mid-Week Activation for Laura
One down, one to go. The Hurricane Watch Net (HWN) says that a vastly weaker Tropical Storm Marco made landfall near the mouth of the…
SunSDR2 DX HF Transceiver Setup and Demo
Expert Electronics SunSDR2 DX HF 100W, 6M 50W, VHF 8W Transceiver with Direct Digitization and Direct Signal Synthesis The SunSDR2 DX transceiver based on the…
ADC nei Microcontrollori Kinetis Freescale (NXP)
In questo articolo analizzeremo i Microcontrollori Kinetis Freescale (NXP), in particolare le tecniche di conversione analogico-digitale (ADC). Per sviluppare il nuovo dispositivo di recupero di…
5R8AP Madagascar. From DXNews.com
Alessandro, IU3EDK is receive 5R8AP call sign and will be active from Madagascar Island, IOTA AF – 013, when COVID-19 restrictions will be lifted., 5R8AP…
As Marco Weakens, Attention Turns to Laura, Which May Become a Category 2 Hurricane
With now-Tropical Storm Marco continuing to weaken, the Hurricane Watch Net (HWN) canceled plans to reactivate on Monday morning. Although no longer a hurricane, Marco…
Portable QRP Ham Radio & PowerFilm Lightsaver Max
Antenna SteppIR UrbanBeam, “Step by Step” Assembly and Installation October 03, 2018 No comments SteppIR Antenna This video shows the SteppIR UrbanBeam’s step-by-step assembly and…
HF PORTABLE – CHOOSING THE RIGHT ANTENNA
Antenna The Air Jupiter End Fed Co-Linear Antenna February 29, 2020 No comments launching today The Air Jupiter End Fed Co-Linear Antenna! Here’s a video,…
