Mese: Giugno 2020

Controllo accessi con PIC
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Controllo accessi con PIC

Il controllo degli accessi ai dispositivi è oggi un’operazione molto semplice grazie alla tecnologia messa a disposizione da MikroElektronica. RFid Reader è una scheda che ha lo scopo di leggere le…

PMR446 – What is Legal?
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PMR446 – What is Legal?

PMR446 – What’s Legal? Sounds like a straight-forward question to answer doesn’t it? If you want to operate legally on the PMR446 band you require…

All’Ham Messe ma virtualmente
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All’Ham Messe ma virtualmente

National Hurricane Center’s WX4NHC Annual Station Test is Successful
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National Hurricane Center’s WX4NHC Annual Station Test is Successful

On May 30, operators at WX4NHC at the National Hurricane Center (NHC), working from home, conducted the annual readiness check of the station and of…

Controllo motori brushless
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Controllo motori brushless

In questo articolo analizziamo un’applicazione con microprocessori AVR ATmega32M1 per motori DC brushless. I motori brushless sono idealmente derivati dai motori in DC con il proposito…

Assembled a prototype of Geckokapula V2 a dualband 70cm/13cm handheld FM/CW radio
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Assembled a prototype of Geckokapula V2 a dualband 70cm/13cm handheld FM/CW radio

Assembled a prototype of Geckokapula V2 a dualband 70cm/13cm handheld FM/CW radio. It also does AM and SSB reception in addition to FM and CW….

Ferrite, chokes, and RFI
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Ferrite, chokes, and RFI

Antenna Moonraker GPA-RX HF Antenna 2 – 90 Mhz June 23, 2020 No comments Key Features/Specifications: Type: Aluminium Vertical with Unun matched base Frequency RX: 2.0-90MHz Impedance: 50…

ANS-180 AMSAT News Service Weekly Bulletins for June 28th
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ANS-180 AMSAT News Service Weekly Bulletins for June 28th

ANS-180 AMSAT News Service Weekly Bulletins for June 28th The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT, The…

[DIY] SMARTGLOVE: un sistema intelligente per la guida ciclistica
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[DIY] SMARTGLOVE: un sistema intelligente per la guida ciclistica

Smartglove è un dispositivo indossabile che aiuta i ciclisti durante la guida e può offrire un aiuto importante soprattutto di notte. I ciclisti condividono la…

Thunderpole T-800 Unboxing & First Look
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Thunderpole T-800 Unboxing & First Look

Video:YouTube/Paul McGee M0WNU Paul takes a look at the Thunderpole T-800 radio…..

PMR446 Bazooka Antenna
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PMR446 Bazooka Antenna

Video:YouTube/Jason CT965 A very interesting video from Jason CT965 which shows the construction of a PMR446 Bazooka antenna.  PMR446 has seen a massive increase in…

The July/August Digital Edition of the National Contest Journal is Now Available
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The July/August Digital Edition of the National Contest Journal is Now Available

The digital edition of the July/August issue of the National Contest Journal (NCJ) is now available for viewing on your desktop or laptop. Click here to go the ARRL…

Come digitalizzare e riprodurre matematicamente i movimenti di un uomo che corre
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Come digitalizzare e riprodurre matematicamente i movimenti di un uomo che corre

Il mondo è regolato da formule matematiche che ne descrivono tutti gli eventi che si verificano su di esso. Anche la corsa di un uomo…

TO5O FM/DL8UD Martinique. From DXNews.com
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TO5O FM/DL8UD Martinique. From DXNews.com

Uwe, DL8UD will be active as TO5O from Martinique Island, IOTA NA – 107 in RSGB IOTA Contest, 25 – 26 July 2020., TO5O FM/DL8UD…

Baofeng UV9S Triband HT Power Test
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Baofeng UV9S Triband HT Power Test

Functions: TRI-BAND TWO WAY RADIO 1. Frequency Range: VHF/UHF136-174Mhz&220-225Mhz&400-520Mhz 2. Dual-Band Display, Tri Freq. Display, Dual-Standby 3. Output Power: 5Watts 4. 128 Channels 5. Built-in…

Virginia Air & Space Center Ends Relationship with Ham Radio
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Virginia Air & Space Center Ends Relationship with Ham Radio

Virginia Air & Space Center (VASC) Executive Director and CEO Robert Griesmer has advised that the Center’s amateur radio station exhibit will be discontinued, effective July 1,…

MARS Announces HF Skills Exercise
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MARS Announces HF Skills Exercise

Members of the Military Auxiliary Radio System (MARS) will conduct an HF skills exercise July 20 – 24 to hone their operating skills and messaging-handling…

Come ottenere il routing automatico PCB in modo efficiente
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Come ottenere il routing automatico PCB in modo efficiente

In questo articolo verranno analizzati i criteri progettuali per un corretto design dei PCB. Al giorno d’oggi, infatti, i circuiti operano a livelli elevati di…

A Snake-like Filament Hangs While A Solar Storm Launches
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A Snake-like Filament Hangs While A Solar Storm Launches

Recent Posts A Snake-like Filament Hangs While A Solar Storm Launches June 25, 2020 No comments Read more Ham Radio Tower, US Tower MA40, Installation…

Ham Radio Tower, US Tower MA40, Installation in Process by Jim Heath W6LG, Your YouTube Elmer
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Ham Radio Tower, US Tower MA40, Installation in Process by Jim Heath W6LG, Your YouTube Elmer

Jim W6LG your YouTube Elmer shows the progress on the MA40 Tower Installation that will be limited to 30 feet above the terrain as allowed…

SAQ Announces Annual Alexanderson Day Transmission
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SAQ Announces Annual Alexanderson Day Transmission

The vintage SAQ Alexanderson alternator in Grimeton, Sweden, will conduct its annual Alexanderson Day transmissions on 17.2 kHz on Sunday, July 5. Startup and tuning…

Radio Amateur’s Call for Help Relayed from across the Atlantic
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Radio Amateur’s Call for Help Relayed from across the Atlantic

When Richard Tashner, N2EO, of Massapequa, New York, suffered a medical emergency on May 18, his DMR radio was closer than his phone. His call…

Display LCD in applicazioni a basso costo
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Display LCD in applicazioni a basso costo

Ci soffermiamo in questo articolo su un approfondimento della tecnologia DirectDrive di Renesas per la gestione di display LCD con micro di fascia bassa. I progressi tecnologici, da un…

JX0X Jan Mayen. From DXNews.com
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JX0X Jan Mayen. From DXNews.com

JX0X Team planning to be active from Jan Mayen Island, IOTA EU – 022, September – October 2021., JX0X Jan Mayen. From DXNews.com, ,

MFJ-868B Giant SWR/Wattmeter
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MFJ-868B Giant SWR/Wattmeter

MFJ touts the MFJ-868B Giant SWR/Wattmeter as the World’s Largest HF SWR/Wattmeter. The MFJ-868B measures peak, average forward and reflected power and SWR It operates…