Mese: Marzo 2018

Yaesu FTM-7250DR – Overview – Features – Specification
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Yaesu FTM-7250DR – Overview – Features – Specification

Yaesu FTM-7250DR C4FM/FM 50W 144/ 430MHz Digital AMS  The new Yaesu FTM-7250DR is a compact and ruggedly built C4FM/FM 144/430MHz Dual Band 50W Transceiver and offers…

Status QUAD: 4/12 StQ 50/144 , cubic  4 elements 50 Mhz and 12 elements 144 Mhz
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Status QUAD: 4/12 StQ 50/144 , cubic 4 elements 50 Mhz and 12 elements 144 Mhz

Simulation table Eznec, gain and F / B in free space and real space at a wavelength from the ground Technical specifications DOWNLOAD HERE THE  of…

William Welch K1IOC  – Rescued from atop ham radio antenna
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William Welch K1IOC – Rescued from atop ham radio antenna

With tree blocking ladder truck access, fire department executes rope and harness retrieval.   By Rich Saltzberg An 80-year-old Edgartown man was rescued Monday morning by…

Come ridare colore ad una vecchia foto B/N
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Come ridare colore ad una vecchia foto B/N

Con un software di grafica e di fotoritocco, l’operazione di trasformazione delle immagini, da colore a bianco e nero, è un’operazione assai semplice e basta…

Energy Harvesting per i dispositivi Mobile
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Energy Harvesting per i dispositivi Mobile

Dimentichiamoci gli avvisi di scarica e alimentatori con cavi aggrovigliati: in fase di sviluppo e ricerca nuove soluzioni energetiche che potrebbero offrire ai dispositivi mobile…

Mobile Ham Radio Tips & Tricks Volume #1 by SignalSearch
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Mobile Ham Radio Tips & Tricks Volume #1 by SignalSearch

Photo:Wayne-N0ISV Mobile Ham Radio Tips “A video about mobile ham radio setups by K5ACL & N5CFB. Please join SignalSearch as we dive into our first…

Yaesu FTM-7250DR
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Yaesu FTM-7250DR

Yaesu FTM-7250DR “We are pleased to announce the new feature packed YAESU VHF/UHF Mobile Transceiver – FTM-7250DR. The new FTM-7250DR is a compact ruggedly built…

Just When You Thought It Was Safe: Chinese Over-the-Horizon Radar Appears on 40 Meters
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Just When You Thought It Was Safe: Chinese Over-the-Horizon Radar Appears on 40 Meters

The International Amateur Radio Union Region 1 (IARU-R1) Monitoring System (IARUMS) reports that one of China’s over-the-horizon radar (OTHR) installations has been causing interference in…

JVCKENWOOD’s DMR-Compliant Digital Radio Communications Systems Adopted for the MotoGP™ Motorcycle Racing World Championship
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JVCKENWOOD’s DMR-Compliant Digital Radio Communications Systems Adopted for the MotoGP™ Motorcycle Racing World Championship

—Signing a Three-year Sponsorship Agreement to Serve as MotoGP™ Supplier— JVCKENWOOD Corporation (“JVCKENWOOD”) is pleased to announce that its digital radio communications system, which is…

Overview of the LNR W4OP Loop
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Overview of the LNR W4OP Loop

NR Precision’s newest antenna market entry is the phenomenal new LOOP antenna designed by a degreed engineer. The W4OP Loop has already received extremely high…

Infineon espande il portafoglio di sicurezza mobile
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Infineon espande il portafoglio di sicurezza mobile

Infineon Technologies ha annunciato l’ampliamento del proprio portafoglio di soluzioni di sicurezza mobile. La famiglia di prodotti Secure Element (eSE) integrata include ora un sistema operativo (SO),…

Il bus CAMAC
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Il bus CAMAC

Il bus CAMAC (Computer Automated Measurement And Control), un sistema modulare di gestione dati utilizzato in molti laboratori di ricerca di fisica nucleare e in molti siti industriali. Vediamo come funziona. Il bus…

VE3VSM/HR9 Roatan Island. From DXNews.com
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VE3VSM/HR9 Roatan Island. From DXNews.com

Dave, VE3VSM will be active again as VE3VSM/HR9, from Roatan Island, IOTA NA-057, 13 – 18 March 2018., VE3VSM/HR9 Roatan Island. From DXNews.com, ,

Controllo di motori ACIM con ST7MC
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Controllo di motori ACIM con ST7MC

I microcontrollori della serie ST7MC sono dei dispositivi, appartenenti alla famiglia di micro ad 8 bit ST7, specializzati in applicazioni di controllo motore. Possiedono, infatti, un modulo MTC (Motor…

Video V55V Namibia Rhombics Big Signal out of Africa. From DXNews.com
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Video V55V Namibia Rhombics Big Signal out of Africa. From DXNews.com

For over 20 years Martin (V51W/V51MW) was improving his Station. After he has tried all possible antenna systems he was convinced that his Rhombic Antennas…

The Art of the QSO – Jim  W6LG Talks About Listening
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The Art of the QSO – Jim W6LG Talks About Listening

Situational awareness is discussed in this first episode of The Art of the QSO. Review YouKits HB-1B Transceiver – ARRL Review October 21, 2016 No…

Heil HS2 Hand PTT switch for 2 radios with MFJ-1263
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Heil HS2 Hand PTT switch for 2 radios with MFJ-1263

“In this video you will find information about the Heil HS2 handheld PTT switch that I use with my 2 Kenwood radios (TS-2000 and TS-990),…

HuskySat-1 145/435 MHz Linear Transponder CubeSat also has 24 GHz Downlink
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HuskySat-1 145/435 MHz Linear Transponder CubeSat also has 24 GHz Downlink

A 3U Cube Satellite, dubbed the HuskySat-1, is being developed by an interdisciplinary team at the University of Washington and will be launched into Low Earth…

Video – CRT Xenon CB Radio
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Video – CRT Xenon CB Radio

Video:YouTube/CRT France So here it is, the very first video showing the new CRT Xenon CB Radio. 

Polish Rebel DX Group Travel Cheap to Top DXCCs. From DXNews.com
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Polish Rebel DX Group Travel Cheap to Top DXCCs. From DXNews.com

Members of the Polish Rebel DX Group launch an extended transoceanic project called “Travel Cheap to Top DXCCs” in early May 2018., Polish Rebel DX…

3C0W Annobon Island. From DXNews.com
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3C0W Annobon Island. From DXNews.com

3C0W Amateur Radio Team will be active as 3C0W, from Annobon Island, IOTA AF – 039, until 27 March 2018., 3C0W Annobon Island. From DXNews.com,…

6W/IV3FSG Senegal. From DXNews.com
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6W/IV3FSG Senegal. From DXNews.com

Elvira, IV3FSG will be active as 6W/IV3FSG, from Dakar, Senegal, starting 9 March 2018., 6W/IV3FSG Senegal. From DXNews.com, ,

AMSAT “GOLF” CubeSats among NASA Ninth-Round CubeSat Launch Initiative Picks
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AMSAT “GOLF” CubeSats among NASA Ninth-Round CubeSat Launch Initiative Picks

AMSAT reports that two of its “GOLF” (Greater Orbit, Larger Footprint) series CubeSats are among 21 missions recommended for NASA’s CubeSat Launch Initiative (CSLI). GOLF-TEE…

All-band HF direct conversion transceiver QRPver DC-3001 Minion Mini
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All-band HF direct conversion transceiver QRPver DC-3001 Minion Mini

Transceiver direct conversion, short-wave, all-band. QRPver Minion Mini DC-3001 This is a small-size multi-band short-wave QRP transceiver. The transceiver is built according to the transceiver…

The HF Voyager Project –  Pacific ham radio drone KH6JF/MM using FT8
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The HF Voyager Project – Pacific ham radio drone KH6JF/MM using FT8

Jupiter Research Foundation Amateur Radio Club (JRFARC) has integrated an HF transceiver with an autonomous ocean-going drone. Our mission is to deploy a ham radio station that roams…