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, ,

GREENE COUNTY FAIRGROUNDS/EXPO CENTER BUILDING EXPANSION
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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…

New IARU Region 2 Intruder Watch Coordinator Named
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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….

La navigazione satellitare con moduli RTK
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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…

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…

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, ,

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, ,

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

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

K1YOW Wins the December QST Cover Plaque Award
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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…

Controllo di motori brushless
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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…

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…

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…

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…

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…

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:…

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…

Sharc Pipeline
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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…

Il protocollo Flexray: caratteristiche e funzionamento
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Il protocollo Flexray: caratteristiche e funzionamento

I sistemi elettronici sono sempre più presenti nel settore automotive. oggi si tende a sostituire i classici sistemi idro-meccanici con sistemi puramente elettronici che siano più…

CRC su MSP430
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CRC su MSP430

La sicurezza dei dati trasmessi rende il nostro sistema affidabile, ma come possiamo realizzare un sistema del genere? da un punto di vista software, la risposta…

Il problema dei sovraccarichi nei sistemi real-time
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Il problema dei sovraccarichi nei sistemi real-time

Questo articolo introduce la problematica dello studio dei sistemi real-time in situazioni di sovraccarico, ovvero in quelle situazioni in cui la capacità di calcolo richiesta…

Two new Wouxun mobile radios have lower prices

Wouxun mobile radios are known for delivering good performance at a fair price. Two models in particular stand out in this category, the popular UHF/VHF…

C56RU Gambia. From DXNews.com

Frank, ON7RU will be active from Gambia, as C56RU, 26 December 2017 – 1 January 2018., C56RU Gambia. From DXNews.com, ,

Le classi di precisione
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Le classi di precisione

Gli strumenti di misura non sono tutti uguali tra loro. Uno dei parametri che li differenzia e la loro precisione che ne determina, ovviamente, anche…

Fishing for DX by W6LG
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Fishing for DX by W6LG

Jim W6LG discusses DXing and gives a couple of resources for the new DXer. Equipment How to Build A 130 Watt Dummy Load for HF…