Author: iz4wnp

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Christmas Caroling via HF from Antarctica Set for December 23

Fonte originale con articolo completo Articolo Christmas Caroling via HF from Antarctica Set for December 23 su Etere Blog | Radioamatori | Amateur Radio |…

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Award Regia Marina 2018

La Sezione ARI Taranto sarà  sarà attiva con due nominativi accreditati IQ7TA e IQ7UJ. Per maggiori informazioni è possibile consultare il sito: www.assoradiomarinai.it   Fonte: ARI…

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Polar Prince Under Way to Halifax, WSPR Call Sign VE0EXP

Carrying a WSPR beacon identifying as VE0EXP, the Polar Prince departed Victoria, British Columbia, on December 8 and is currently sailing past Mexico and Central America on its way…

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Handheld Transceiver Antennas – The Doctor Will See You Now! [PODCAST]

    Most handheld transceivers come equipped with so-called “rubber duck” antennas. They aren’t very efficient antennas, but do they really need to be efficient…

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Il Kit di ESPertino: misuriamo le distanze con il modulo a ultrasuoni HY-SRF05

Il kit di ESPertino comprende anche un modulo a ultrasuoni per la rilevazione di distanze da oggetti. Con esso, la nostra scheda può contare su…

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Memoria Flash MONOS Fin-shaped a larga scala da Renesas

Renesas Electronics Corporation, uno dei principali fornitori di soluzioni avanzate per semiconduttori, ha annunciato di aver confermato con successo l’operazione di memoria su larga scala…

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Filtri PLL per rfPIC

I dispositivi microchip delle famiglie RFPIC e RFHCS sono dotati di un trasmettitore RF integrato in grado di operare su diverse bande di frequenza a…

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DU1/SP5APW Palawan Island. From DXNews.com

Jacek, SP5APW will be active as DU1/SP5APW, from Palawan Island, IOTA OC – 129, 13 – 18 March 2018., DU1/SP5APW Palawan Island. From DXNews.com, ,

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GREENE COUNTY FAIRGROUNDS/EXPO CENTER BUILDING EXPANSION

News Release December 20, 2017 We are pleased to announce The Greene County Commissioners and the Greene County Fair Board have approved the construction of…

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New IARU Region 2 Intruder Watch Coordinator Named

Carlos Beviglia, LU1BCE, of Buenos Aires, Argentina, takes over as the International Amateur Radio Union Region 2 (IARU R2) Monitoring System Coordinator on January 1….

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La navigazione satellitare con moduli RTK

La navigazione satellitare in tempo reale (RTK, Real Time Kinematic) è una tecnica utilizzata per migliorare la precisione dei dati di posizione derivanti da sistemi…

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FM/OH2IS Le Robert Martinique Island. From DXNews.com

Ismo, OH2IS will be active as FM/OH2IS from Le Robert, Martinique Island, IOTA NA – 107, 18 – 28 February 2018., FM/OH2IS Le Robert Martinique…

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TY1TT Benin. From DXNews.com

Wim, ON6DX will be active again as TY1TT from Benin 20 February – 2 March 2018., TY1TT Benin. From DXNews.com, ,

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C5WP Gambia. From DXNews.com

Pedro, ON7WP will be again active from Gambia 25 December 2017 – 1 January 2018 as C5WP., C5WP Gambia. From DXNews.com, ,

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Jim W6LG Shows How He Connects 2 HF Antennas at the Same Time

JIm, W6LG shows how he recently used 2 off the shelf coax switches to connect 2 antennas to his transceiver at the same time. This…

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FCC Penalizes Marketer of Ham-Band Drone Audio-Visual Transmitters

The FCC has imposed a $180,000 civil penalty on a Sarasota, Florida, company that had been marketing noncompliant audio-visual transmitters intended for use on drones…

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K1YOW Wins the December QST Cover Plaque Award

The winning article for the December 2017 QST Cover Plaque award is “Upper Level Lows and 6-Meter Sporadic E” by Joe Dzekevich, K1YOW. The QST Cover Plaque Award — given to…

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Controllo di motori brushless

I brushless DC sono una particolare tipologia di motori sincroni che garantiscono un movimento estremamente preciso a differenza di quelli brushed (con spazzole). Si esaminerà la serie di…

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Comparing Elevated 1/4w Vertical vs. Link Dipole with WSPR

“Hello Ham Radio Ops, K5ACL from SignalSearch here with another Antenna comparison/testing video using the Weak Signal Propagation Reporter (WSPR) network. Testing out an elevated…

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PicoAPRS with GPS receiver

“Worlds smallest APRS transceiver with TNC” offers many applications. Matchbox-sized, built-in GPS receiver. The transceiver can not only be used as APRS tracker and receiver…

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One of Oldest US Radio Stations to Go Dark

Fonte originale con articolo completo Articolo One of Oldest US Radio Stations to Go Dark su Etere Blog | Radioamatori | Amateur Radio | HamRadio…

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Bouvet Island DXpedition is Nearing Show Time

The group mounting the 3Y0Z Bouvet Island DXpedition reports that it’s sorting through the myriad details necessary to make a DXpedition to the second most-wanted…

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Baofeng UV9R Plus Waterproof – Dual Band FM VHF UHF

Baofeng UV9R Plus Product parameters Frequency Range: VHF 136-174,UHF 400-520MHz Theoretical communication distance: 10 km Power: 15W Battery: Polymer lithium battery Battery: 8000 mAh Weight:…

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6O6O Somalia. From DXNews.com

Ken, LA7GIA informs dxnews.com, that together with Adrian, KO8SCA, they will be active as 6O6O from Somalia, 3 – 16 January 2018., 6O6O Somalia. From…

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Sharc Pipeline

L’utilizzo del meccanismo di pipeline permette al microprocessore di incrementare la sua velocità d’elaborazione. Questo incremento prestazionale fornisce quelle chiavi di lettura per convincere il…