Author: iz4wnp
5-Band Frame Anetnna – How to Made
“The Frame antenna is not a new idea. It was used during the world wars. Due to its dimensions it can be used in restricted…
La soluzione Lateral Power di Vicor premiata con il World Electronics Achievement Award 2021
Vicor Corporation, azienda leader nei moduli di potenza ad altissime prestazioni, è stata premiata con il World Electronics Achievement Award 2021. Vicor Corporation, leader nel…
IARU-R1 interim meeting 2022
It was decided at the recent EC meeting that we cancel the April interim meeting in Vienna. The pandemic situation look increasingly difficult and travel…
Extension of the toleration regulation for 160 m / 1.850 — 2.000 kHz
Even before the publication of Official Gazette 2021–24 scheduled for Dec. 22, the German Federal Network Agency BNetzA informs that the toleration regulations for 160…
L’architettura dei sistemi IoT
Si parla continuamente e da tanto tempo dell’IoT (Internet of Things) grazie alla sua immensa capacità di espandersi nei più svariati contesti: dall’uso quotidiano nella…
Cheap Coax Switch Teardown and Comparison
“I have 4 “cheap” coax switches. How do they work? I need to switch between 4 radios and this might just do it! Callum.” Antenna…
23cm Band Studies progressing in CEPT and ITU‑R
Preparatory activities for WRC23 have continued in a number of committees, working groups and workshops in the ITU‑R, CEPT and the European Commission here in…
Light Deck: un controller luci MIDI con Arduino
Light Deck è un controller luci basato su protocollo di comunicazione MIDI il cui cuore è un Arduino Micro. In questo articolo scopriremo assieme tutti…
Retevis RB86 20W Waterproof GMRS Mobile Radio
Waterproof high power GMRS mobile radio RB86, the perfect communication solution for Jeeps,UTVs, off-road and other vehicles. With the nice housing, stability and reliable functions,…
ISS SSTV – 12/26
The ARISS team will be supporting Slow Scan TV (SSTV) operations from the International Space Station during the period of Dec 26-31 The images will…
Una scatola da scarpe come robot con Arduino ed App Inventor – Parte 2
Si può usare una scatola da scarpe come robot, dargli vita con un Arduino Nano e prenderne il controllo con un’applicazione fatta tramite App Inventor?…
World Radio TV Handbook to Cease Publication
The EI7GL blog reports that publication of the World Radio TV Handbook (WRTH) will cease with the current 76th edition. For many years, the WRTH provided information about shortwave broadcast times…
Observations of Over-the-Horizon Radar Interference in Ham Bands Top All Others
The volume of reports of over-the-horizon (OTH) radar interference from observers working with the International Amateur Radio Union (IARU) Region 1 Monitoring System (IARUMS) dwarfs…
Overview of Chameleon EMCOM III Portable
The EMCOMM III Portable antenna is a portable High Frequency (HF) antenna specially designed for short to long range portable and man-pack HF communications. The…
Blockchain: 10 possibili attacchi da cui difendersi
Le tecnologie delle Blockchain sono tra le vittime preferite degli hacker per due principali motivi: prima di tutto contengono valore in forma di criptovalute o…
The Last Voice from Kuwait 9K2DZ. From DXNews.com
Back in 1990 — 1991 a very brave amateur radio operator named Abdul-Jabbar Marafi, 9K2DZ became literally the last voice from Kuwait., The Last Voice…
Polish Radio Amateur Ordered to Stop Using Falkland Islands Identifier from Antarctica
The Falkland Islands Communications Regulator has directed Polish radio amateur Sebastian Gleich, SQ1SGB, to cease his ham radio operation from Antarctica’s Halley VI Research Station…
Comet announce the release of the HF multi-band mini GP UHV-10
COMET UHV-10 “We are pleased to announce the release of the HF multi-band mini GP antenna “UHV-10” (price including tax: 25,000 yen) from mid-December. Since the…
My Favorite Ham Radio Gear Of 2021 – Gift Guide
Time to look back over 2021 and talk about my favorite gear, why I like it and why I recommend it! Antenna BUILDING A DIY…
What’s the best antenna for in the attic?
A viewer asks: What would be your best recommended HF attic antenna? Joe and I respond with some limited space and HOA friendly options. Antenna…
Elecraft K4 Ham Radio Transceiver – Hands On, FIRST LOOK!
The Elecraft K4 is the latest and greatest HF Ham Radio Transceiver from Elecraft and today I get to sit down in front of one…
Progetto di un sistema di sicurezza IoT con il sensore PIR HC-SR501 – Parte 1
In questo articolo descriveremo la prima parte del progetto IoT di un sistema di sicurezza basato sul sensore di movimento PIR HC-SR501 e il modulo…
VK9CM VK9C Cocos Keeling Islands. From DXNews.com
VK9CM Team will be active from Cocos Keeling Islands, IOTA OC – 003, 26 October – 3 November 2022., VK9CM VK9C Cocos Keeling Islands. From…
FO/SP5EAQ TX5AQ Rimatara Island. From DXNews.com
Jacek, FO/SP5EAQ will be active from Rimatara Island, IOTA OC – 050, Austral Islands, 2 – 30 March 2022., FO/SP5EAQ TX5AQ Rimatara Island. From DXNews.com,…
Video TK0C Corsica CQ WW DX CW Contest 2021. From DXNews.com
Video TK0C Corsica Island. CQ WW DX CW Contest 2021. M/M Category., Video TK0C Corsica CQ WW DX CW Contest 2021. From DXNews.com, ,
