Anno: 2020

Replacing a bad PL-259 Connector
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Replacing a bad PL-259 Connector

“Since we all need to stay at home anyway, let’s fix up the station! I need to review a new mobile radio, and the connector…

Ofcom engineers shine a light on interference issue
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Ofcom engineers shine a light on interference issue

Ofcom’s spectrum assurance team recently solved a sky-high interference case that took more than a little detective work to crack. The team were contacted by…

Elettricità nel mondo: perchè in America si usa la 110V e altrove la 220?
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Elettricità nel mondo: perchè in America si usa la 110V e altrove la 220?

Sul nostro pianeta non viene usata ovunque la stessa tensione per le nostre case ed uffici. In diversi paesi, Italia inclusa, si utilizza la 220V,…

L’Intelligenza Artificiale nell’Ingegneria Aerospaziale
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L’Intelligenza Artificiale nell’Ingegneria Aerospaziale

I Sistemi Intelligenti sono ispirati alla natura, matematicamente affidabili, sono potenti strumenti di calcolo e metodologie di risoluzione dei problemi, diventati estremamente importanti per l’incremento…

DXCC Most Wanted 2020. From DXNews.com
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DXCC Most Wanted 2020. From DXNews.com

DXCC Most wanted countries 2020 Club Log version. Updated 22 March 2020., DXCC Most Wanted 2020. From DXNews.com, ,

Radio Amateurs Team Up to Help University Design Low-Cost Ventilator
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Radio Amateurs Team Up to Help University Design Low-Cost Ventilator

Amateur radio volunteers from around the world have volunteered to assist University of Florida Professor Sam Lampotang and his engineering team in their quest to…

JH1AJT Amateur of the Year
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JH1AJT Amateur of the Year

INDEXA is especially proud to have one of its members and principal donors named as the 2020 Amateur of the Year by the Dayton Hamvention….

Another UK CB Radio Net
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Another UK CB Radio Net

So here we have news of yet another new CB Radio net here in the UK. The ‘South Of The River Radio Bandits DX Group’…

DX Engineering Ladder Line Surge Protector DXE-LLSP
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DX Engineering Ladder Line Surge Protector DXE-LLSP

Built by popular demand, the DX Engineering Ladder Line Surge Protector is ready to be placed in line with your balanced feedline antenna system! For…

Official QO-100 International Emergency Frequency!
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Official QO-100 International Emergency Frequency!

Official QO-100 International Emergency Frequency! In order to coordinate potential emergency communications during the actual or any other crisis, the following frequency will be assigned…

HF Antenna In An HOA, Chameleon MPAS 2.0 Is Discrete!!
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HF Antenna In An HOA, Chameleon MPAS 2.0 Is Discrete!!

Chameleon MPAS 2.0 1.8-54 MHz Modular Portable Antenna System IT’S IMPORTANT TO WATERPROOF THE CHA MIL EXT 2.0 BEFORE PERMANENT INSTALLATION  Use the Ideal NOALOX…

Dispositivo di ventilazione open source low-cost
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Dispositivo di ventilazione open source low-cost

Questo articolo spiega come l’elettronica ed il making possano fornire un valido aiuto in situazioni emergenziali. E’ possibile, infatti, costruire un ventilatore rudimentale a basso…

Emissioni di CO2 in Cina: cosa è cambiato
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Emissioni di CO2 in Cina: cosa è cambiato

Le emissioni di CO2 in Cina si riducono del 25% come conseguenza di una delle più gravi epidemie virali del secolo. Il consumo di energia…

16′ DX Flagpole Antenna, Stealth HOA Vertical Antenna No Radials 80-6M
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16′ DX Flagpole Antenna, Stealth HOA Vertical Antenna No Radials 80-6M

Greyline 16-foot DX Flagpole Antenna, a real Flagpole approved for ham radio in HOA, smart design for Stealth, No Radials, OCF vertical antenna, a vertical-dipole,…

Amateur radio satellite spreads Fight Coronavirus message
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Amateur radio satellite spreads Fight Coronavirus message

Indonesia’s national amateur radio society ORARI reports the ham radio satellite LAPAN-A2 (IO-86) is being used to send a Fight Coronavirus message using APRS. A translation of…

YouLoop HF loop antenna
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YouLoop HF loop antenna

HF loop antenna HF Portable & Flexible Receive Loop Antenna Covers HF frequencies (10 kHz to 30 MHz) Usable on VHF up to 300 MHz…

Scientists create quantum sensor that covers entire radio frequency spectrum
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Scientists create quantum sensor that covers entire radio frequency spectrum

The Army Research Laboratory Atoms in a glass vapor cell are excited with laser beams to Rydberg states. They detect the electric fields (coming from…

Spada Laser: si può fare, ma quanto consuma?
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Spada Laser: si può fare, ma quanto consuma?

Per i fan di Star Wars, è un sogno proibito avere una spada laser. Ormai sono ben note ai fan del settore le repliche in…

Intelligenza artificiale: il software che impara a giocare a scacchi e che in 72 ore ne diventa Maestro
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Intelligenza artificiale: il software che impara a giocare a scacchi e che in 72 ore ne diventa Maestro

Prima o poi l’intelligenza artificiale batterà l’uomo e lo porrà in secondo ordine. Parliamo di vera intelligenza, di come un computer potrà affrontare i problemi…

UK On Lockdown
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UK On Lockdown

As the UK goes into lockdown CB, PMR and Ham Radio are the ideal way to maintain social interaction, so get on the air and…

Midlands PMR Net 22/03/2020
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Midlands PMR Net 22/03/2020

In this time of crisis and social isolation it’s great to see people trying something new. David and Ryan will be out and about on…

4L8A Tbilisi Georgia. From DXNews.com
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4L8A Tbilisi Georgia. From DXNews.com

Vakhtang, 4L8A will be active from Tbilisi, Georgia in Russian DX Contest, 21 – 22 March 2020., 4L8A Tbilisi Georgia. From DXNews.com, ,

HamSCI Workshop – Friday, March 20, 2020- LIV
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HamSCI Workshop – Friday, March 20, 2020- LIV

Equipment openSPOT3 introduction [ VIDEO ] March 19, 2020 No comments Home » openSPOT3 ••••••••• The openSPOT3 is a battery powered, portable, standalone digital radio internet gateway…

First long-duration flare of Solar Cycle 25 – The K7RA Solar Update
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First long-duration flare of Solar Cycle 25 – The K7RA Solar Update

On Wednesday, Spaceweather.com reported a new emerging Cycle 25 sunspot in the sun’s Northern Hemisphere, but it was not yet numbered. By the next day…

Il valore della Blockchain ed il Marketplace dei dati IoT
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Il valore della Blockchain ed il Marketplace dei dati IoT

Qual è il valore della Blockchain? E perché ti dovrebbe interessare quanto un bit? Il mondo sta vivendo una grande rivoluzione tecnologica; quando vengono create…