Author: iz4wnp
HF SDR Transceiver RS-918 mcHF
Here we take a look at the RS-918 HF SDR Transceiver, a typical clone of the mcHF. Specification: – HF QRP Transceiver,put battery 12v and…
To Choke or not to Choke?
Damian, VA3CYC, is working on building a copper pipe VHF antenna, and wants to know how he should do the chokes? How many? Is one…
Autobilanciare le batterie LiPo
Benvenuti a un nuovo appuntamento con la Rubrica Firmware Reload, dedicata ai più importanti temi dell’elettronica e alla loro storia. Le batterie ricaricabili al litio…
CDXC Virtual Convention. From DXNews.com
CDXC VIRTUAL CONVENTION Held on 8 May 2021 via Zoom, the Chiltern DX Club Virtual Convention, CDXC Virtual Convention. From DXNews.com, ,
I cloni di Arduino convengono?
Nel mercato mondiale abbiamo a nostra disposizione tantissimi cloni di Arduino in tutte le salse. Ti sarà sicuramente capitato almeno una volta di chiederti: ma…
CB Radio Skip – Channel 38 14/05/2021
Some truly amazing conditions on the CB band with every channel full of stations coming in from around the UK and beyond. Here’s a sample…
Gestione intelligente della batteria e della ricarica per veicoli elettrici
Con l’aumento di popolarità del movimento ecologico, sempre più veicoli elettrici (EV), dagli scooter alle auto, agli autobus e ai camion, affolleranno le strade. I…
Wooden Satellite to Launch by Year’s End
The WISA Woodsat project, being sponsored by plywood supplier WISA in an unconventional PR initiative, is poised to place a wooden satellite into orbit by…
AlexLoop HamPack
This is the AlexLoop HamPack system – the ultimate solution for the hampacker and the antenna restricted Ham. Antenna HF PORTABLE – CHOOSING THE RIGHT…
Wimo X-Quad Antenna for 144 MHz 18010
The X-Quad antenna is a refinement of the well-known multi-element quads. Its special features, especially developed for amateur radio, are Switchable polarization plane (horizontal/vertical/circular right/circular…
NCDXF HF beacon monitoring station DL8LAS
Location: JO54EF , Trent, Germany, 54°20′ N 10°36′ E RX: IC-7851 ANT: 7m vertical omnidirectional homemade Example: See Updates and more : https://www.dl8las.com/ncdxf-beacon-monitoring Antenna…
MicroPython: il nuovo linguaggio per il mondo embedded
MicroPython ha tante potenzialità e in un mondo come quello embedded potrà diventare il nuovo linguaggio di programmazione prediletto? Il mondo embedded è impossibile negarlo:…
Riconoscimento facciale per la domotica con l’ESP32-CAM – Parte 2
In questo articolo riprendiamo il progetto iniziato nel precedente articolo “Riconoscimento facciale per la domotica con l’ESP32-CAM – Parte 1” in cui abbiamo testato la…
TY5AB Benin. From DXNews.com
Ian, ZS6JSI is currently active as TY5AB from Benin., TY5AB Benin. From DXNews.com, ,
IARU: è importante l’opinione di tutti
IARU R-1 sta preparando un Workshop che riguarda lo status della radio nell’ottica di costruire il suo futuro in un mondo che cambia. Di seguito…
First Antenna Questions
Laurent Egli, soon to be HB9***, has some questions about what antenna would be a good first antenna for her. Antenna 20′ DX Flagpole Antenna…
The VP2VB Danny Weil Memorial DXpedition is JIDXM 2020 DXpedition of the Year
The Japan International DX Meeting (JIDXM) has designated the 2020 VP2VB Danny Weil Memorial DXpedition as the recipient of the 2020 DXpedition of the Year…
Over 50 km on 481 THz! Great news from SP
On May 8, 2021, the group of Polish radio amateurs: Marek SP4ELF, Jurek SP2GUB, Adam SQ2DOL, Piotr SQ4MIK, and Jarek SQ4IOB realized optical communication (481…
Raspberry Pi vs Orange Pi vs Banana Pi: chi è meglio?
Raspberry Pi vs Orange Pi vs Banana Pi: chi è meglio? Il confronto fra le tre principali “schede” non è così scontato, al contrario. In…
R&S®M3SR Series4100 Software Defined Radios
Key facts Frequency range: 1.5 MHz to 30 MHz (transmission), 10 kHz to 30 MHz (reception) Power classes of 150 W, 500 W, 1000 W and standalone receiver LINK‑11, LINK‑22, LINK‑Y support…
“Geomagnetic Storm Season” is Over
June and July bring frequent 6-meter DX openings via long-distance sporadic-E propagation and persistent quiet geomagnetic conditions. These 2 months are well known to North…
Comparing the lab599 Discovery TX-500 with the Elecraft KX2. Which one should you choose?
Comparing the lab599 Discovery TX-500 with the Elecraft KX2. Which one should you choose? Antenna Status QUAD: 4/12 StQ 50/144 , cubic 4 elements 50…
The last Morse code maritime radio station in North America | Bartell’s Backroads
1999 marked the last time a commercial Morse code message was supposedly transmitted to ships at sea. However, if you travel on the backroads to…
60 Meters Again Available to New Zealand Radio Amateurs
The New Zealand Association of Radio Transmitters (NZART) announced recently that negotiations with regulator RSM were successful in accommodating 60-meter operation for New Zealand radio…
I primi elaboratori elettronici italiani: gli albori dell’informatica italiana.
Premessa È importante ricordare come l’Italia ha iniziato il suo percorso nell’uso e nella realizzazione dei primi elaboratori elettronici. In merito non mancano libri e…
