Author: iz4wnp

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…

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…

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…

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…

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…

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 –…

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…

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…

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…

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…

“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…

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 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…

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…

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,…

“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…

Nel precedente articolo “PRAM, il tuo Primo Robot Autonomo Mobile – Parte 2” abbiamo descritto il progetto e i principali componenti di PRAM. In questa…

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…

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 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…

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…

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…

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, ,

September 10-14, 2021, the 17th World Championship High Speed Telegraphy was held in Montenegro. The event was organized by MARP (Montenegrin Amateur Radio Pool) in…

HF verticals are very popular for the smaller suburban gardens. How do they perform and are there any improvements you should consider? Antenna Review of…