Author: iz4wnp

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Resonant Antennas, HF Mobile, MFJ-1668 Screwdriver

HF Mobile Antenna Covers 80-6 Meters with 4 1/2 foot mobile or 10 foot fixed operation telescoping whip. Continuously adjustable loading coil is 36 inches…

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Realizziamo un orologio a Led a risparmio energetico

Il motto del progetto che andiamo a presentare è “leggere l’orario solo quando serve”. Gli orologi con i display a cristalli liquidi senza retroilluminazione sono…

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Quale ruolo giocheranno in futuro i sistemi OPC UA, TSN e l’Ethernet industriale classico? Intervista a Volker Goller, Engineer @ Analog Devices

OPC UA realizza un’interfaccia applicativa universale sfruttando il suo spazio di indirizzo, mentre il TSN aggiunge funzionalità real time all’Ethernet standard, consentendo una velocità di…

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Addio all’amico Zamberletti

Radioamatori varesini in lutto per la scomparsa di Zamberletti “Se n’è andato un grande amico dell’Ari, radioamatore lui stesso con il nominativo i2ZME, motore insostituibile della…

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ARRL Launching New Podcast Geared Toward New Radio Amateurs

For those just getting started on their Amateur Radio journey, ARRL is launching a new podcast aimed at answering your questions, providing support and encouragement…

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Understanding HF Antenna Tuners, What Does It Do?

Antenna 2-Element- DK7ZB – Quad Antenna for 5 Bands January 08, 2015 in: Antenna No comments “The Quad Antenna  uses a single, central-fed frame with…

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New Russian PA. 2000 Watts . Liquid cooling. Weighs only 14 pounds!

  BURST 2000A HF power amplifier BURST-2000A 2200 W PEP output power (SSB and CW) All HF bands, including WARC bands and 6 meters Rated…

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FlexRadio Systems Announces Upcoming Availability of SmartSDR v3.0

FlexRadio Systems announced today the upcoming availability of SmartSDR v3.0 for the FLEX-6000 Series of transceivers. SmartSDR v3.0 provides operators with the ability to connect…

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Sensoristica & AVR

La tecnologia dei sensori occupa, sempre con maggiore incisività, un ruolo primario in diversi settori dove si richiede la capacità di misurare le caratteristiche dell’ambiente circostante. La casa costruttrice Sensirion…

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NEW Ranger RCI-63FFD4 with 400 Watts Output!

Video:YouTube/Bells CB Pity it’s only AM but with 400 watts this thing is gonna be heard all around the world!!!!! New Final Amplifier Design  400…

CB Radio is Alive and Kicking with the 305 group in 2019

Video:YouTube/fredintheshed1 Fred with some action from the 305 net in southern UK….

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AX prefix on Australia’s national day

Under a permanent agreement with the Australian Communications and Media Authority (ACMA) all Australian radio amateurs may use the alternative AX callsign prefix instead of…

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Encryption DES con MICROCHIP

La casa costruttrice Microchip ha proposto tempo fa una libreria software per supportare algoritmi di data encryption quali: il Triple DES (TDES) e l’Advanced Encryption Standard (AES). Il…

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The K7RA Solar Update – 01/25/2019

Sunspot group 2733 appeared on Tuesday with a sunspot number of 18, and on Wednesday it increased in size with a sunspot number of 19,…

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Ailing ARISS “HamTV” Transmitter Back on Earth for Inspection, Possible Repair

The malfunctioning Amateur Radio on the International Space Station (ARISS) “HamTV” transmitter now is back on Earth for repair or replacement, and it likely won’t…

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FLEX-6400M from the ARRL Review

 FLEX-6400M Radio Server SDR Features 100W PEP HF-6m operation All modes/all bands Integrated Remote Operation with Maestro, PC/ Laptop, iPad® or iPhone® 2 Independent Band /…

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Further Testing of MFJ Octopus at Quartzfest (#183 Project)

Mix and match any four HF/VHF/UHF bands. Example: screw in 80,40,20 meter hamsticks and a dual band 2M/440 MHz whip (two on each band) on opposite sides….

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Timer PPG nei micro F2MC-8FX

I chip F2MC-8FX della Fujitsu sono dotati di un’interessante periferica, il timer PPG, che consente di generare segnali analogici, oltre che funzionare come timer ad 8 e 16-bit. Nell’articolo saranno descritti i registri di configurazione ed un esempio pratico di utilizzo. Negli…

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Teniamo sotto controllo la temperatura e l’umidità di un appartamento con Arduino M0 PRO

Arduino M0 PRO dispone di tanti ingressi analogici e tale possibilità estende il suo campo d’azione. Ad esso, infatti, si possono collegare tanti sensori di…

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Makers Academy: la nuova piattaforma per la formazione dei Makers

Il 2019 sarà un anno ricco di novità! Oggi vi presentiamo il nostro ultimo progetto: Makers Academy. Dopo il successo di EOS-Academy, la piattaforma dedicata…

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President Richard Spec Sheet

(Click to enlarge) Here we have the official President spec sheet for the new President Richard 10m AM/FM radio. Available now in the US, priced…

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ARRL Board of Directors Issues Statement on Amateur Radio Parity Act

At its annual meeting January 18 – 19, the ARRL Board of Directors decided that the organization needs to “review, re-examine, and reappraise ARRL’s regulatory…

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PST-RR55D-PRO – Ring Rotor

Ring rotor for trellis up to 52cm on the side. It can be mounted anywhere on the truss. The whole structure is made of laser-cut…

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Ham radio SSTV from the Space Station

Ham radio SSTV from the Space Station The Inter-MAI amateur radio Slow Scan Television experiment on the International Space Station is scheduled to be activated…

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Amateur Radio Applications Piling Up as Partial Government Shutdown Continues

Volunteer Examiner Coordinators across the US are continuing to receive paperwork from Amateur Radio exam sessions held during the partial government shutdown. While it’s still…