Scouting’s Jamboree-on-the-Air Takes Place this Weekend, October 15 – 17
PHOTO:K2BSA Scouting’s largest event in the world — Jamboree-on-the-Air (JOTA) — takes place October 15 – 17. During JOTA, Scouts and hams around the world,…
Raspberry Pi: lanciare script on boot
Uno degli aspetti più interessanti di Raspberry Pi è senza dubbio quello di poter lanciare script on boot, quindi di avviare un programma interamente scritto…
Mysterious Radio Signal Discovered in Milky Way Center | What Is It!?
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the…
IARU Region 1 ATV Contest 2021 Results
The IARU Region 1 ATV Contest was held on 12/13 June 2021.Due to travel restrictions in some countries caused by the COVID 19 pandemic, the…
10 Progetti con la scheda a microcontrollore Arduino-Raccolta 2020-2021
Cari lettori, vi presentiamo una raccolta di 10 Progetti Fai-da-Te e completamente Open Source da realizzare con la scheda a microcontrollore Arduino. I Progetti sono…
TRI BAND TRANSCEIVER – RS-UV3A
The HobbyPCB RS-UV3A radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3A is a low cost transceiver solution for Packet Radio, repeaters, Echolink…
![Real-time Radio Spectrum Map Database Demo [ Android App ]](https://www.iz4wnp.it/wp-content/uploads/2021/10/maxresdefault-3-1.jpg "Real-time Radio Spectrum Map Database Demo [ Android App ]")
Real-time Radio Spectrum Map Database Demo [ Android App ]
In view of the escalating demand for higher mobile data (from IoT, industry 4.0 applications), there is a growing world-wide interest to improve the radio…
XPA125 Tuner – Any good?
Today I take the XPA125 Tuner and put it through its paces with a 9:1 EFRW Random Wire Antenna Antenna Chameleon Tactical Delta Loop –…
Solar cycle 25 is here and band activity is up!
Showing a bit of what’s happening on the upper frequency bands with the solar cycle finally ramping up. Antenna HF Omniangles HF-28 ( 10 Meters…
Nuove soluzioni di sensori-software con NI e Omega
Farnell, unità commerciale del gruppo Avnet e distributore globale di componenti elettronici, prodotti e soluzioni, ha introdotto sul mercato nuove soluzioni basate sulla configurazione con…
Roamer, il piccolo robot che si ricarica da solo
Il piccolo robot Roamer è un’intelligente dimostrazione di come, anche solo con l’utilizzo di materiali e componenti semplici e facilmente reperibili a basso costo, si…
Using FT8 to demonstrate Antenna Orientations
One man’s observation of different radiation patterns that evolved from choosing different antenna installation orientations. What are your thoughts? Antenna PA0NHC – active, capacitive receiving…
Set up an entire HF station for under $1000?
“A viewer asks: I want a home base station trans/receiver so I can listen till I am licensed. Need an antenna too. But all for…
Regolatori Buck ZVS
Benvenuti a un nuovo appuntamento con la Rubrica Firmware Reload di Elettronica Open Source. Vicor Corporation arricchisce la gamma di regolatori Buck ZVS Picor Cool-Power…
Xiegu X6100 HF/50MHz Portable SDR Transceiver
Xiegu X6100 is a revolutionary self-contained 10 watt HF and 6m SDR transceiver with a large color display, automatic antenna tuner and a built-in high capacity battery. Xiegu X6100 is an ultra-portable SDR transceiver (Software…
Rettificatori SiGe di Nexperia
Il settore dell’elettronica di potenza è in continua evoluzione. I rettificatori silicio-germanio (SiGe) di Nexperia offrono ai progettisti elevati livelli di efficienza, stabilità termica e…
QDX 4-band 5W Digi transceiver
The “QDX” (QRP Labs Digital Xcvr): a feature-packed, high performance, four-band (80, 40, 30, 20m) 5W Digi-modes transceiver kit, including embedded SDR receiver, 24-bit 48 ksps USB sound card,…
What Ham Radio Programming Software Should You use?
“I’m taking a 10,000 FT look at three types of ham radio programing software. There’s so much to unpack here that a quick overview is…
PRAM, il tuo Primo Robot Autonomo Mobile – Parte 3
Nel precedente articolo “PRAM, il tuo Primo Robot Autonomo Mobile – Parte 2” abbiamo descritto il progetto e i principali componenti di PRAM. In questa…
Provisional results IARU R1 50 & 70 MHz CW/SSB Contests
The provisional results for the last IARU R1 50 MHz CW/SSB and 70 MHz CW/SSB Contests are available on IARU Region 1 VHF & Up Contest Robot…
Starlink di SpaceX, il più avanzato sistema di connessione a banda larga per le zone rurali
SpaceX nasce con l’obiettivo di ridurre i costi dell’accesso allo spazio e vanta una grande esperienza nei veicoli spaziali e nelle operazioni in orbita. Ad…
ARRL Continues Its Efforts to Preserve Amateur Radio Secondary Use of the 3 GHz Band
ARRL President Rick Roderick, K5UR, in a written statement on the newly filed H.R.5378 before the US House Commerce Communications and Technology Subcommittee on Wednesday, urged Congress…
![Why Ham Radio [ ARRL Video ]](https://www.iz4wnp.it/wp-content/uploads/2021/10/hq720-1.jpg "Why Ham Radio [ ARRL Video ]")
Why Ham Radio [ ARRL Video ]
Josh Nass, KI6NAZ, of @Ham Radio Crash Course talks about what ham radio is, and answers the question…. “Why Ham Radio?” Antenna 100 ft Tilting…
Batterie di nuova generazione: cosa bolle in pentola?
Le batterie di nuova generazione sono la chiave per abbandonare la dipendenza dai combustibili fossili e sono destinate a svolgere un ruolo di primo piano…
High Speed Telegraphy World Championship Montenegro 2021. From DXNews.com
September 10-14, 2021, the 17th World Championship High Speed Telegraphy was held in Montenegro., High Speed Telegraphy World Championship Montenegro 2021. From DXNews.com, ,
