Author: iz4wnp
Major Solar Flare in 3 years!
Today, Earth-orbiting satellites detected the biggest solar flare in more than 3 years. The M4.4-category eruption produced a shortwave radio blackout over some parts of…
QCX-mini to be available for order later this week
From Hans G0UPL: Great excitement here at QRP Labs Towers just half an hour ago, middle of the QCX challenge (from which I am abstaining…
La scheda di sviluppo EasyPIC PRO v7
EasyPIC PRO v7 è una scheda di sviluppo per applicazioni embedded basate su microcontrollori PIC di Microchip della famiglia 18F. L’integrazione on-board di programmatore, debugger,…
Modulo ToF per il rilevamento della distanza in 3D
Il nuovo modulo ToF (Time-of-Flight) di Omron Electronic Components Europe per il rilevamento della distanza in 3D, è caratterizzato da elevati livelli di precisione, flessibilità…
PoE – Power-over-Ethernet
Questo articolo introduce il componente Si3402 della Silicon Labs, si tratta di un regolatore a commutazione in grado di implementare per un dispositivo la funzionalità…
Upcoming Space Station Contact 04/12/2020
“An ARISS educational school contact is planned for Victor Glover KI5BKC with students at Scuola Secondaria di I grado “Anna Frank”, Pistoia, Italy. The…
Retevis RT95 Budget Dual Band Mobile Transceiver
Specifications GENERAL Frequency Range VHF:144-148MHz UHF: 430~440MHz Number of Channels 200 channels Channel Spacing 25K (Wide Band) 20K(Middle Band) 12.5K (Narrow band) Phase-locked Step 2.5KHz,…
DXCommander Expedition Build & Review! Impressive Ham Radio Antenna!
Callum has created quite an impressive line of antennas that fit various ham radio use cases. Today we look at his portable offering The Expedition…
Solar Flux Hits New High & Big Flares Possible Now | Space Weather News 11.26.2020
Solar Flux Hits New High & Big Flares Possible Now | Space Weather News 11.26.2020 Antenna Jim W6LG Uses A Short Dipole To Demonstrate How…
Rilevamento interruzioni con Atmel ATA6870
L’integrato ATA6870 di Atmel, utilizzato nel settore auto per la misura e il monitoraggio dello stato batterie nei veicoli ibridi ed elettrici, dispone di un’importante…
ARRL Asks FCC to Allow 3.4-GHz Operation until Spectrum is Occupied
In comments to the FCC, ARRL has argued that radio amateurs be allowed to continue shared operation in the 3.4 GHz band until 5G licensees…
2020 Amateur Radio Holiday Gift Guide
2020 Amateur Radio Holiday Gift Guide Antenna Ground Plane Antennas [ “ARRL The Doctor is In” podcast ] December 20, 2018 No comments Ground Plane…
Connecting the MX-P50 amplifier and LDG Z11 pro tuner to the IC-705
Connecting the MX-P50 amplifier and LDG Z11 pro tuner to the IC-705. Antenna JK Antennas JK65 6 Meter Yagi May 27, 2015 No comments …
Implementazione degli algoritmi SHA-3 nei sistemi embedded
SHA-3, la versione più recente del Secure Hash Algorithm le cui specifiche sono state ufficialmente rilasciate nel 2015, si differenzia in modo significativo rispetto alle…
Thunderpole BLACK FRIDAY EVENT
Thunderpole, here in the UK, have launched a selection of deals in their “Black Friday Event” You can take a look by following this…
5T3WW Mauritania. From DXNews.com
5T3WW will be active from Mauritania in CQ WW DX CW Contest, 28 – 29 November 2020., 5T3WW Mauritania. From DXNews.com, ,
ZF2MJ ZF1A Cayman Islands. From DXNews.com
Dan, N6MJ will be active as ZF1A, from Cayman Islands, IOTA NA – 016, in CQ WW DX CW Contest, 28 – 29 November 2020.,…
JW7GIA Svalbard. From DXNews.com
Ken, LA7GIA will be active as JW7GIA from Svalbard, IOTA EU – 026, in CQ WW DX CW Contest, 28 – 29 November 2020., JW7GIA…
Coast Guard Proposes to Discontinue HF Voice Watchkeeping
The US Coast Guard has invited comments by January 21, 2021, on a proposal to discontinue HF voice watchkeeping. The proposal appeared on November 20 in the…
Video demonstrating 3D propagation simulation
Chris from our Development Team gives an overview of Over-The-Horizon (OTH) High Frequency (HF) Analysis in Systems Tool Kit (STK) that is new in version…
Tips on Operating Linear Amateur Radio Satellites (Part 2)
Tips on Operating Linear Amateur Radio Satellites (Part 2) Antenna Resonant Antennas, HF Mobile, MFJ-1668 Screwdriver January 29, 2019 No comments HF Mobile Antenna Covers…
RadioShack to be reborn
RadioShack The good news is that as of today RadioShack has officially been purchased by Retail Ecommerce Ventures (REV), giving the troubled company a new…
Conoscere i “Barcode” e “QR Code”
È sufficiente andare in giro per negozi, magari in un supermercato o una biblioteca, per renderci conto che la quantità di informazioni che dobbiamo essere…
Mid-Wales DX Group Christmas DX and FREE Prize Draw
Here we have a self-explanatory notice from the guys in the Mid-Wales DX Group with your chance to win a Radio, mag-mount and antenna. So…
