Author: iz4wnp
Langstone Project – SDR Transceiver using an Adalm PlutoSDR
Antenna LOW NOISE EXPLAINED ( LFA Antennas ) by G0KSC January 08, 2016 No comments A long time has passed since we have to accept…
Promotion video of ICOM IP730D/IP740D
The IP730D series is an innovative hybrid IP radio with licensed professional radio mode for local and nationwide communications. Antenna MonoBeam HF Multibander MB16 10-15-20…
Computer Vision 1.04 – Features Matching
Quando si parla di “riconoscere” un oggetto in un’immagine o un video, in genere la prima cosa che viene in mente sono quei filmati di…
Solar Cycle 25 Is Here. NASA, NOAA Scientists Explain What That Means
This split image shows the difference between an active Sun during solar maximum (on the left, captured in April 2014) and a quiet Sun during…
Our Sun Has Bad Aim with Storms to the East & West | Solar Storm Forecast 09.15.2020
Antenna Antenna Yagi 17 elements 4 bands – GPX Antennas February 15, 2020 No comments Frequency: 7, 14, 21, 28 MHz Number of elements: 7…
5-MHz Interoperability Channels Designated for Wildfires and Hurricane Sally Response
The Federal Emergency Management Agency (FEMA) has announced that two 60-meter channels have been made available, as necessary, for interoperability between US Government stations and US amateur radio…
Marconi Day Award
Marconi Day Award The Calabria DX Team has once again organized Marconi Day and Award for the second year. The following accredited stations of various associations will…
How I designed the Nebula eXtreme Multiband 18m DX Commander Antenna
eXtreme Multiband 18m DX Antenna 18el 6bander – GXP Antenas – 40/20/17/15/12/10 March 29, 2016 No comments GXP Antenas 18el 6bander Bands 40/20/17/15/12/10 Gain…
Rilevamento degli oggetti con TensorFlow sul Raspberry Pi
Il rilevamento degli oggetti (object detection o semplicemente OD) rappresenta una delle principali applicazioni dell’intelligenza artificiale, con impieghi sia a livello di machine che di deep…
YI9WS Iraq. From DXNews.com
Giorgio, YI/IU5HWS is receive new call YI9WS and will be active from Baghdad, Iraq, until 20 January 2021.., YI9WS Iraq. From DXNews.com, ,
VP9/N1SNB Bermuda. From DXNews.com
Jeff, VP9/N1SNB will be active from Bermuda, IOTA NA – 005, 21 – 26 October 2020., VP9/N1SNB Bermuda. From DXNews.com, ,
Attention Turns to Tropical Storm Sally after Hurricane Paulette Hits Bermuda
The Hurricane Watch Net (HWN) said this morning that it will continue to gather any reports from Bermuda in the wake of Hurricane Paulette, which…
ICOM IC 705 Raspberry Pi Setup WITH GPS
ICOM IC 705 Raspberry Pi Setup WITH GPS Antenna 5 Elements wire yagi for 80m November 11, 2019 No comments There were a lot of…
Xiegu G90 HF Ham Radio Go Box/Solar Generator
Xiegu G90 HF Ham Radio Go Box/Solar Generator Antenna Successful Wire Antennas November 09, 2015 No comments Successful Wire Antennas Edited by Ian Poole, G3YWX…
The repeter antenna of the ISS
The repeter antenna of the ISS Source: URE Antenna What is a Bi-Cone Antenna ? June 15, 2015 No comments Bi-Cone Antenna he Bi-Cone Antenna…
The radio amateur’s solar cells interfere – despite all measures
Of course, Anders Ljunggren was prepared for some radio interference when he installed solar cells at his villa this year. – But I would never…
Generazione di alta tensione
I tubi Nixie sono ormai passati di moda ma trovano ancora applicazione nelle lampade fluorescenti a basso assorbimento. Analizziamo in questo articolo come utilizzare la…
Farnell dispone del nuovo modulo Bluetooth 5.0 Low Energy di Panasonic
Farnell dispone del modulo Bluetooth a bassa energia serie PAN1780 con sensibilità del ricevitore di -95dBm ideale per dispositivi IIoT e applicazioni Smart Home. Farnell…
VR2XAN Peng Chau Island Hong Kong. From DXNews.com
Alberto, IV3TAN will be active as VR2XAN from Peng Chau Island, Hong Kong, IOTA AS – 006, in WAE DC SSB Contest, 12 – 13…
Monitoraggio della corrente USB per evitare sovraccarichi
Ecco una protezione intelligente per porte USB, per evitare problemi di sovraccarico. L’idea di questo progetto è nata durante la sperimentazione di alcuni circuiti alimentati…
CB Radio Handheld Comparison
Video:YouTube/Paul McGee M0WNU A nice comparison video between 3 CB radio handhelds…..
Tips And Guidance For New Amateur Radio Licencees
Video:YouTube/Ham Radio VLOG by M0XMX New to the world of Amateur Radio? Well here’s a brilliant video from Mike (M0XMX) with some very helpful tips…
Altimetro barometrico: fondamenti di progettazione
L’altimetro è uno strumento che gli appassionati di aviazione, gli escursionisti e gli amanti della tecnologia in generale conoscono molto bene. L’altimetro consente, infatti, di…
Brazil Proposes to End Amateur Radio Exams
The Brazilian National Telecommunications Agency (ANATEL) has proposed to end amateur radio certificate exams for all classes, replacing the current system with free access to the initial…
University in Poland will Launch Balloon with VLF Transmitter On Board
A balloon experiment by Warsaw University of Technology is planned to lift off on September 12, carrying a unique very-low-frequency (VLF) 210-meter long fully-airborne antenna…
