Il campo delle comunicazioni con fibre ottiche è esploso negli ultimi due decenni. Nei moderni sistemi di comunicazione, vengono utilizzate fibre sottili come capelli costituite
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Mese: Settembre 2021
“Global Engineer Survey 2021” di Tektronix: ecco i risultati per il settore T&M
Dal sondaggio globale “Global Engineer Survey 2021” condotto da Tektronix, che ha coinvolto circa 1.300 tra ingegneri, professionisti e progettisti del settore Test&Measurements, sono emersi
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How To Power Your Ham Radio Station, Power Supplies, Batteries, Mobile
An important first step in ham radio is figuring out how you want to power your radio station. Reagrdless if it being at home or
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Building the BuddiHex Hexbeam | Best Portable Ham Radio Antenna
Today I go through all of the steps and pieces for building the BuddiHex Hexbeam antenna from Buddpole. This might be the best portable ham
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YAESU M-90D Desktop Microphone: UNBOXING
Yaesu M-90D Desktop Microphones utilize a finely tuned dynamic element to deliver rich low to mid frequency response, desirable for a clear and concise conversational
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Sensori in fibra ottica: i reticoli di Bragg
Percepire l’ambiente che ci circonda è un requisito fondamentale per un qualunque sistema decisionale. Difatti, qualunque sia l’azione di controllo da intraprendere, è necessario conoscere
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Thunderpole T-600 Radio Pack From £89.99
Thunderpole have now added the new T-600 CB Radio to their ‘Radio Packs’. Starting at £89.99 you can get the radio, antenna and mount.
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HF Band Plan Review
Over the past 18 month a proposal for an IARU HF Digital Mode reorganization has been undertaken by representatives of all three IARU Regions IARU-R1
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RF Ground Rod vs Concrete Patio
Dave, KO4DLQ, lives in Florida and has to deal with mass amounts of lightning. Dave can relate having served there for several years when he
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Using the ARRL RF Exposure Calculator
Brent, KI5HXM, has a question relating to RF exposure in a mobile environment. Dave wants to show a cool online tool to helps know the
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Rilevazione del tocco senza interferenze
Questo articolo della Rubrica Firmware Reload di Elettronica Open Source esamina il caso di un sensore a tocco che risente dell’influenza dei LED e di
Read morePresident Randy 3 Videos
Here we have a couple of interesting videos from Knoxieman on YouTube featuring the President Randy 3 CB Radio handheld.
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Nuovi moduli relè MOSFET a bassa dispersione
OMRON ha rilasciato nuove versioni ad alta tensione e alta corrente dei suoi innovativi moduli relè MOSFET in configurazione a T. I moduli T di
Read moreJT5DX Mongolia. From DXNews.com
JT1CO will be active as JT5DX from Mongolia in CQ WW DX RTTY Contest, 25 – 26 September 2021., JT5DX Mongolia. From DXNews.com, ,
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Le schede di sviluppo Arduino Nano RP2040 Connect e Raspberry Pi Pico sono disponibili presso Farnell
Farnell, una società del Gruppo Avnet e fornitore globale di componenti elettronici, prodotti e soluzioni, distribuisce le rivoluzionarie schede di sviluppo Arduino Nano RP2040 Connect
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Stretching Antenna Bandwidths
Often on the HF bands, we find that the quoted antenna frequency bandwidth is not wide enough to cover the whole band. This can be
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PCBWay al fianco del tuo progetto sulla strada del successo
Qualsiasi bravo progettista è consapevole che nei progetti innovativi le idee geniali da sole non bastano per raggiungere il successo. È necessario, infatti, circondarsi di
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ARRL, RSGB Announce Joint Events to Celebrate Centenary of Ham Radio Transatlantic Success
ARRL and the Radio Society of Great Britain will jointly sponsor events to celebrate the achievement of transatlantic communications by radio amateurs 100 years ago.
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Unboxing the Radioddity GD-AT10G
Dave has recently been sent a handheld radio from Radioddity. Let the unboxing begin! 10W/5W/2.5W/1W Selectable: The Radioddity GD-AT10G is a powerful handheld radio with a
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SDR++ THE BLOAT FREE SDR SOFTWARE
In this video we take a look at a new and upcoming SDR Application called SDR ++ Wide hardware support (both through SoapySDR and dedicated
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Arduino Nano RP2040 Connect: l’idea innovativa del brand elettronico made in Italy
Arduino Nano RP2040 Connect è la prima scheda della famiglia Arduino che integra il potente chip in silicio RP2040 di casa Raspberry Pi. Molti di
Read moreOX7A OX7AM OX7AKT OX3LG Greenland. From DXNews.com
OX7A Team will be active from Greenland, IOTA NA – 018, in CQ WW DX SSB Contest, 30 – 31 October 2021., OX7A OX7AM OX7AKT
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Bright Regions Emerge Too Fast To Count | Space Weather News 09.22.2021
Space Weather News 09.22.2021 Antenna How High Should a Dipole Be? A Look at Antenna Modeling October 05, 2017 No comments “How high should a
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IARU Region 1 Monitoring System Says Radio France International Splatter “Untenable”
The International Amateur Radio Union (IARU) Region 1 Monitoring System (IARUMS) August newsletter reports that Radio France International was active daily between 2100 and 2200 UTC on 7205
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Choosing Lightning Arresters
Robert, KG5BJF, is getting ready to set up his station and his question is “How do you determine which lightning arresters are the correct ones
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