Author: iz4wnp

Xiegu G90 First Look & Current Draw
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Xiegu G90 First Look & Current Draw

“Hello Operators. In this video we take a look at the Xiegu G90, Portable Ham Radio. We’ll talk about who might enjoy this rig, and…

State law protects ham radio operator, frustrates neighbors in Windsor Twp
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State law protects ham radio operator, frustrates neighbors in Windsor Twp

by Lindsey O’Laughlin, Residents of White Rose Lane in Windsor Township are upset about this amateur radio tower in their neighbor’s yard A Windsor Township…

PCB: cosa sono, come sono fatti e a cosa servono
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PCB: cosa sono, come sono fatti e a cosa servono

Nel mondo dell’elettronica è praticamente impossibile non sapere cosa significhi PCB, ma nel caso questo termine ti suoni nuovo “Printed Circuit Board” è ciò che…

Controllo del moto di una smart car con Arduino
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Controllo del moto di una smart car con Arduino

Sicuramente ciascuno di noi si è imbattuto almeno una volta in progetti smart finalizzati al monitoraggio e al controllo di sistemi più o meno complessi….

KP2M US Virgin Islands. From DXNews.com
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KP2M US Virgin Islands. From DXNews.com

N2TK will be active again as KP2M from US Virgin Islands, IOTA NA – 106 in ARRL DX SSB Contest, 7 – 8 March 2020.,…

TU5PCT Cote dIvoire. From DXNews.com
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TU5PCT Cote dIvoire. From DXNews.com

TU5PCT Team will be active from Cote dIvoire, 24 – 29 February 2020., TU5PCT Cote dIvoire. From DXNews.com, ,

CP6/DK7PE Bolivia. From DXNews.com
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CP6/DK7PE Bolivia. From DXNews.com

Rudi, DK7PE will be active as CP6/DK7PE from Bolivia, 25 February – 6 March 2020., CP6/DK7PE Bolivia. From DXNews.com, ,

Low Cost HF Portable Antennas
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Low Cost HF Portable Antennas

“HF Mobile whips can make great portable antennas. Maybe you already have some. A couple of single band models may cover your needs. Here we…

Mississippi ARES® Emergency Coordinator Credits Training for Effective Tornado Response
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Mississippi ARES® Emergency Coordinator Credits Training for Effective Tornado Response

Amateur Radio Emergency Service® (ARES®) volunteers in DeSoto County, Mississippi, devoted several days in January to assisting local emergency managers in responding to tornado damage…

New World Distance Record Claimed on 122 GHz
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New World Distance Record Claimed on 122 GHz

A new world distance record of 139 kilometers (86.2 miles) is being claimed by radio amateurs in northern California. This tops the record of 114…

Anytone AT-D578 vs TYT MD-9600 | DMR Mobile Radio Comparison
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Anytone AT-D578 vs TYT MD-9600 | DMR Mobile Radio Comparison

News Mississippi ARES® Emergency Coordinator Credits Training for Effective Tornado Response February 21, 2020 No comments Amateur Radio Emergency Service® (ARES®) volunteers in DeSoto County,…

Comet HFJ-350M Portable HF antenna -9 Bands
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Comet HFJ-350M Portable HF antenna -9 Bands

The Comet FHJ-350M, Portable 9-Band, 1/4 wave base loading telescopic antenna for HF through 6M. Frequency can be changed by means of shorting plug. Compact (less…

Il carburo di silicio renderà le auto più efficienti
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Il carburo di silicio renderà le auto più efficienti

L’efficienza nella conversione di energia è fondamentale per l’implementazione e l’adozione di nuove energie, incluse le applicazioni a energia solare e quelle alimentate a batteria….

Sistemi di ricarica veloce per veicoli elettrici
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Sistemi di ricarica veloce per veicoli elettrici

Gli impatti negativi sull’ambiente prodotti dai mezzi di trasporto alimentati a combustibile fossile stanno favorendo l’introduzione di soluzioni alternative in grado di abbattere le emissioni…

Floureon FC200 PMR446 UPDATE
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Floureon FC200 PMR446 UPDATE

It would appear that the brilliant 16 channel Floureon FC200 PMR446 handhelds have had a firmware update recently. Users are reporting the the radios no…

ZF2CA Cayman Islands. From DXNews.com
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ZF2CA Cayman Islands. From DXNews.com

Colin, G4CWH will be active again as ZF2CA from Cayman Islands, IOTA NA – 016, 12 – 15 March 2020., ZF2CA Cayman Islands. From DXNews.com,…

Florence Radiofest
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Florence Radiofest

Heights Tower and SteppIR DB-18 Beam at N6GR (#243)
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Heights Tower and SteppIR DB-18 Beam at N6GR (#243)

“Last month while visiting Brad Rich, N6GR, he gave me a tour of his nearly-completed 69-foot foldover tower and his SteppIR DB-18 antenna. He also…

The Inflatable Air Antenna On 20 Meters
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The Inflatable Air Antenna On 20 Meters

https://twitter.com/AntennaAir News Coronavirus Outbreak Postpones Swains Island W8S DXpedition February 20, 2020 No comments The W8S DXpedition to Swains Island in the Pacific, set to take place…

BIG SIGNAL 6BS-70  –  432 MHz
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BIG SIGNAL 6BS-70 –  432 MHz

Specifications: Band:  432 MHz. Active elements:  6. Gain:  12.6 dBi. F / B:  23.00 dB. ·  Polarization:  Horizontal or Vertical · SWR:  1.1: 1 ~ 1.5: 1. Impedance:  50 Ohm. · Power rating:  5000…

A Mini Solar Storm with a Fast Wind Chaser | Space Weather News 02.20.2020
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A Mini Solar Storm with a Fast Wind Chaser | Space Weather News 02.20.2020

Equipment RigExpert TI-3000 transceiver interface February 20, 2020 No comments RigExpert TI-3000 is a new and powerful USB transceiver interface based on high-quality stereo codec…

WA9ZCO Wins the February QST Cover Plaque Award
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WA9ZCO Wins the February QST Cover Plaque Award

The winning article for the February 2020 QST Cover Plaque award is “CW Combo Key” by Marc Alan Winzenried, WA9ZCO. The QST Cover Plaque Award — given to the author…

MQTT cos’è e come funziona
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MQTT cos’è e come funziona

Nelle reti di sensori e sistemi embedded di piccole dimensioni, il traffico dati è solitamente molto limitato o comunque non si può fare uso di…

Transceiver CAN
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Transceiver CAN

Il CAN-transceiver è un emettitore (transmitter) e un ricevitore (receiver). Esso converte i dati del CAN controller in segnali elettrici che successivamente trasmette per mezzo delle linee del…

VP8PJ South Orkney Islands. From DXNews.com
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VP8PJ South Orkney Islands. From DXNews.com

VP8PJ Team will be active from South Orkney Islands, IOTA AN – 008, 20 February – 5 March 2020., VP8PJ South Orkney Islands. From DXNews.com,…