The Applying and Handling of Lightning Arrestors
“Thanks to a lead question from Daniel Chin, 9M6DC, Dave dives into the topic of Lightning Arrestors and Surge Protectors. How to apply and attach…
The First X-Flare of Solar Cycle 25 | Space Weather News 07.06.2021
The First X-Flare of Solar Cycle 25 | Space Weather News 07.06.2021 Antenna Solid Delta loop for 20m band January 16, 2020 No comments Delta…
Cronjob PHP: come automatizzare la verifica degli eventi nel mondo dell’IoT
Automatizzare la verifica degli eventi nel mondo dell’IoT è possibile? Tramite i cronjob PHP puoi programmare l’esecuzione degli stessi script e quindi verificare non solo…
ARRL Monitoring as Tropical Storm Elsa Nears Florida Peninsula
Amateur Radio Emergency Service (ARES®) volunteers are preparing to act, if needed, as Tropical Storm Elsa approaches the Florida Keys. The National Weather Service (NWS)…
EL/AZ 3D Printed Antenna Rotator – Testing !
“One of the Youtube viewers made a comment a few weeks ago asking about my rotator project. Their comment inspired me to finish it. This…
Noise Canceling Methods
Dave Mitchell, AJ5F, asks about the MFJ-1025/1026 Noise Canceling Signal Enhancer to help remove the noise created by his well pump. Dave will help show…
Antenna Traps You Can Make – Simple Construction Project
Here is a simple construction project that you can carry out. Antenna AIM 4170D Antenna / Lab RF Analyzer December 08, 2014 No comments …
ICOM IC 7300 Ham Radio Go Box, It’s Final Form?
“The go box is portable operation ready. How did I do on the wire mangement? What is its final config? Check it out and tell…
Creiamo il nostro sistema di videosorveglianza con Android e Raspberry Pi
Il nostro fido Raspberry Pi è uno strumento estremamente versatile, che può essere utilizzato per creare qualsiasi tipo di applicazione. In questo articolo vedremo come,…
I nuovi integrati ClockWorks
In questo articolo della Rubrica Firmware Reload analizzeremo MX85xxx e SM803xxx, due famiglie di integrati ClockWorksTM della Micrel, come soluzioni clock/timing. Introduzione La Micrel Inc….
FO/F1SMB French Polynesia. From DXNews.com
Yan, FO/F1SMB will be active from French Polynesia, 2 – 23 August 2021., FO/F1SMB French Polynesia. From DXNews.com, ,
RV VHF Antenna Tips | Diamond X30N
I show how I erect a simple VHF antenna on my RV. Antenna End-Fed Antennas – The Doctor Will See You Now! ARRL April 27,…
CB Radio Anniversary – Kent On The Air
Video:YouTube/British CB Radio Highlights from a special activation celebrating 7 years of legal AM and SSB from the Kent On The Air team….
Raspberry Pi: come iniziare
Ti piacerebbe usare Raspberry Pi, ma parti da zero. In questo articolo ho il piacere di guidarti nei tuoi primi passi con Raspberry Pi e…
Che cos’è un segnale PWM
Che cos’è un segnale PWM? Per quale motivo sono così utilizzati e amati? In questo articolo scopriremo un passo per volta assieme ad un esempio…
Video RI0Q Bolshoi Begichev Island. From DXNews.com
Video RI0Q IOTA DX Pedition to Bolshoi Begichev Island, IOTA AS – 152, 2021., Video RI0Q Bolshoi Begichev Island. From DXNews.com, ,
D4SAL Sal Island Cabo Verde. From DXNews.com
Paco, EA7KNT will be active as D4SAL from Porto Antiguo, Santa Maria, Sal Island, IOTA AF – 086, Cape Verde, Cabo Verde, 23 August –…
Bob Heil, K9EID – Manufacturers Showcase
“We are with Bob Heil, K9EID with Heil Sound on this weeks episode of the Manufacturers Showcase” Antenna SIGMA GT3: SUPER STEALTHY 20M / 15M…
BTECH GMRS-V1 Review, Power Output Test | GMRS Repeater Capable Handheld Radio
Today I get to talk to you about the GMRS-V1 HT (handie talkie) handheld radio for the GMRS band and GMRS users. Some people have…
Hurricane Watch Net Activates for Hurricane Elsa
The Hurricane Watch Net (HWN) is currently active on 14.325 MHz for Hurricane Elsa. “Elsa surprised us all by strengthening overnight into a Category 1…
Firmware 2.0 #15 – Open Source IoT/Blockchain
Cari lettori, vi presentiamo oggi il nuovo numero della rivista tecnica digitale Firmware 2.0. Il topic di questo mese è dedicato all’ambito Open Source IoT/Blockchain….
20M Vertical Dipole – Amazing Performance – T2LT Design
Here we take a look at building a simple 20M Vertical Dipole purely from RG58 Coax. Antenna Why dipole antennas are a half wave long…
Riconoscimento facciale per la domotica con l’ESP32-CAM – Parte 3
Come abbiamo visto nel precedente articolo “Riconoscimento facciale per la domotica con l’ESP32-CAM – Parte 2”, il codice dello sketch “CameraWebServerPermanent” registra i volti permanentemente…
VP5MA Providenciales Island Turks and Caicos. From DXNews.com
Mario, VP5MA ex VP5VMA will be active from Providenciales Island, IOTA NA – 002, Turks and Caicos Islands., VP5MA Providenciales Island Turks and Caicos. From…
FCC Reaffirms Nearly $3 Million Fine for Marketing Unauthorized Drone Transmitters
In a Memorandum Opinion and Order (MO&O) released June 17, the FCC denied a Petition for Reconsideration filed by HobbyKing of a $2,861,128 fine for marketing noncompliant RF equipment…
