Anno: 2021

ARRL Life Member Neil Rapp, WB9VPG, is 2021 Carole Perry Educator of the Year
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ARRL Life Member Neil Rapp, WB9VPG, is 2021 Carole Perry Educator of the Year

Orlando HamCation® has announced that ARRL Life Member Neil Rapp, WB9VPG, of Bloomington, Indiana, is the 2021 recipient of the Carole Perry Educator of the Year Award….

Explaining Ham Radio Antenna Baluns, UNUNs and Toroids
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Explaining Ham Radio Antenna Baluns, UNUNs and Toroids

Explaining Ham Radio Antenna Baluns, UNUNs and Toroids Antenna AIM 4170D Antenna / Lab RF Analyzer December 08, 2014 No comments   The AIM 4170D…

I Found & Eliminated My QRM / RFI (Radio Frequency Interference)!
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I Found & Eliminated My QRM / RFI (Radio Frequency Interference)!

This is the third in a series of videos following my efforts to track down a source of local QRM / Radio Interference. Following the…

Solar Storm Graze & Red Planet Rendezvous
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Solar Storm Graze & Red Planet Rendezvous

Solar Storm Graze & Red Planet Rendezvous Antenna 8 EL. DELTA LOOP 144 MHz (144DL8) – SMARTECH December 06, 2016 No comments   DELTA LOOP:…

Implementazione di un PWM a 16 bit con un 8051
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Implementazione di un PWM a 16 bit con un 8051

Questo articolo descrive l’implementazione di un generatore PWM a 16 bit utilizzando la periferica Programmable Counter Array in modalità “High-Speed Output” del microcontrollore C8051F000 della…

Video Voice of Victory. From DXNews.com
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Video Voice of Victory. From DXNews.com

How radio equipment helped to win World War II., Video Voice of Victory. From DXNews.com, ,

JW/LB2PG Bear Island. From DXNews.com
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JW/LB2PG Bear Island. From DXNews.com

Erling, JW/LB2PG will be active again from Bear Island, IOTA EU – 027, until 1 June 2021., JW/LB2PG Bear Island. From DXNews.com, ,

TO°BE Watch: il nuovo smartwatch amico della salute
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TO°BE Watch: il nuovo smartwatch amico della salute

TO°BE Watch è il nuovo smartwatch che consente la misurazione della temperatura corporea, pressione sanguigna, saturazione e frequenza cardiaca, un dispositivo che rappresenta una soluzione…

Implementazione del bootloader
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Implementazione del bootloader

Il bootloader è uno strumento fondamentale e indispensabile per l’aggiornamento del codice applicativo di un microcontrollore. Questo articolo, basato su un Application Note di Microchip,…

QSO Today Virtual Ham Expo Team
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QSO Today Virtual Ham Expo Team

“The first QSO Today Expo was a great success with over 16,000 attendees and the March 13-14, 2021 event is anticipated to be even larger….

FTDX10 – Top 5 Features
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FTDX10 – Top 5 Features

– Hybrid SDR Configuration Like the FTDX101 series, the new FTDX10 utilizes the Yaesu Hybrid SDR configuration – Narrow Band SDR and Direct Sampling SDR….

2021 AM Rally Set for First Weekend in February
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2021 AM Rally Set for First Weekend in February

The 2021 running of the AM Rally will take place from 0000 UTC on Saturday, February 6 to 0700 UTC on Monday, February 8. The annual AM…

FCC Invites Comments on Expanding the Number of Volunteer Examiner Coordinators
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FCC Invites Comments on Expanding the Number of Volunteer Examiner Coordinators

In a January 5 Public Notice, the FCC requested comments on whether the current 14 Volunteer Examiner Coordinators (VECs) are sufficient to facilitate the efforts of…

Caratterizzazione di una camera CCD
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Caratterizzazione di una camera CCD

L’acquisto di una camera CCD ad alte prestazioni è spesso un processo difficile e confuso; due strumenti con specifiche apparentemente identiche possono rivelare prestazioni completamente…

Civility in Ham Radio: The Amateur’s Code
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Civility in Ham Radio: The Amateur’s Code

The Amateur’s Code was written in 1928 and very much applies today. Let’s take a look at the Code and how it can improve civility…

Sistemi operativi real time: quale scegliere?
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Sistemi operativi real time: quale scegliere?

In questo articolo vedremo quali sono le ragioni che inducono alla scelta di un sistema real time ed i criteri di scelta del giusto prodotto….

Does Off-Grid Solar Energy Interfere With Ham Radio?
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Does Off-Grid Solar Energy Interfere With Ham Radio?

“A lot of viewers asked to see how bad the interference was on my receive when my RV is running off-grid with solar only. In…

Icom IC-705 PAT Winlink Setup | Ham Radio Raspberry Pi
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Icom IC-705 PAT Winlink Setup | Ham Radio Raspberry Pi

“Hello Operators Todays video is a Ham Radio Raspberry Pi tutorial for the Icom IC-705 and eventually other radios. We will be using a new…

Yaesu FTdx10 Unboxing
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Yaesu FTdx10 Unboxing

ML&S display the very first unboxing of the FTdx10 in the United Kingdom. As the U.K’s only official Yaesu independent factory appointed distributor, Martin &…

HF Antennas for Beginners: Tuesdays with Tim and Jeff
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HF Antennas for Beginners: Tuesdays with Tim and Jeff

“We are bringing in 2021 with Tuesdays with Tim, K3LR and Jeff,KB8ZWT discussing HF antennas. Did you recently upgrade from tech to general? Than you…

USING AN RTL-SDR AS A PANADAPTER WITH AN AUTOMATIC ANTENNA SWITCHER
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USING AN RTL-SDR AS A PANADAPTER WITH AN AUTOMATIC ANTENNA SWITCHER

In this video we’ll show you how to use your computer, SDR dongle and some free software to add a panadapter display to your older,…

Cosa sono i sensori CCD e perché ci aiutano ad osservare le stelle
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Cosa sono i sensori CCD e perché ci aiutano ad osservare le stelle

I dispositivi ad accoppiamento di carica, chiamati anche CCD (dall’inglese Charge Coupled Device), sono circuiti integrati in grado di accumulare carica elettrica in modo proporzionale…

Yaesu FT-DX10 And Icom IC-7300, Side By Side Comparisons
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Yaesu FT-DX10 And Icom IC-7300, Side By Side Comparisons

“This is an unofficial side by side comparison of the 2 receivers while incorporating the noise reduction and filtering features of the two. I am…

ICOM 705, Sending/Receiving Email At 5 Watts, 40 Meters With Chameleon F-Loop 2.0, VARA HF
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ICOM 705, Sending/Receiving Email At 5 Watts, 40 Meters With Chameleon F-Loop 2.0, VARA HF

Using my new Icom IC-705 at 5 watts on the porch of my RV to connect to a Vara HF Winlink node 693km away on…

When Can I Get an Amp for Ham Radio?
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When Can I Get an Amp for Ham Radio?

When Can I Get an Amp for Ham Radio? Antenna LOOP RX 160/80/40 September 23, 2015 No comments LOOP RX 160/80/40 Technical specifications 160m Gain…