“With all the low-cost performance SDR available these days, we can have a lot of fun experimenting with it. But we need antenna, with the
Read moreAuthor: iz4wnp
Radio ham finds signal from ‘dead’ NASA satellite
Radio ham finds signal from ‘dead’ NASA satelliteScott Tilley VE7TIL / VA7LF discovered a signal from the IMAGE satellite that NASA lost contact with in
Read moreARRL Hudson Division Director Promotes Amateur Radio Parity Act Before Senate Committee
ARRL Hudson Division Director Mike Lisenco, N2YBB, testified Thursday (January 25) before a session of the Senate Committee on Commerce, Science and Transportation regarding Amateur
Read moreD44EE Praia Santiago Island Cabo Verde. From DXNews.com
Henning, OZ1BII will be active as D44EE from Praia, Santiago Island, IOTA AF-005, Cabo Verde in ARRL DX CW Contest, 17 – 18 February 2018.,
Read moreARISS Space Station APRS Packet System Currently Off Line
The ARISS APRS packet system is not working at present. This is due to an as-yet unidentified anomaly involving the radio serving the system on board the
Read moreAO-92 Commissioned, Open for Amateur Use
by Paul Stoetzer On the 03:25 UTC pass on January 26, 2018, AMSAT Vice President – Engineering Jerry Buxton, N0JY, announced that AO-92 had been commissioned
Read moreTenere sotto controllo il consumo di energia con Energy Logger 4000
Energy-Logger 4000 fornisce la possibilità di misurare il consumo energetico di vari utilizzatori, immagazzinando i dati nella propria memoria interna per poi inviarli ad un PC
Read moreI nodi sensori wireless per l’IoT possono essere alimentati tramite gradienti di temperatura senza bisogno di batterie
La proliferazione di nodi sensori wireless (WSN, wireless sensor nodes) per attività di misurazione e controllo nell’IoT, unitamente ai progressi della tecnologia dei trasduttori, ha
Read moreChina Students’ “Zhou Enlai” CubeSat Launches with Ham Radio Payload On Board
Launched on January 19, China’s “Zhou Enlai” CubeSat is that country’s first to involve primary and middle school students. Named in honor of the first
Read moreMRFX1K80H: 1800 W CW over 1.8-400 MHz, 65 V Wideband RF Power LDMOS Transistor
The MRFX1K80H is the first device based on NXP’s new 65 V LDMOS technology that focuses on ease of use. This high ruggedness transistor is
Read moreReview of Alpha Loop and Buddipole Buddistick
“Hey Oggies, Oggie Rodney Johnson, KAØUSE, loaned me his Alpha Loop antenna and his Buddipole Buddistick. Both antennas are pretty good out away from buildings
Read moreSolar Storm Fizzle Suddenly Strengthens: Solar Storm Forecast Shortie 01-25-2018
“Just as we thought this recent solar storm was going to fizzle out and give us nothing at mid-latitudes, we get a nice boost in
Read morePad2Pad: un piccolo gioiello per disegnare i nostri circuiti stampati
Di programmi per creare PCB, in rete, ne esistono centinaia. Sia freeware che a pagamento, essi forniscono il loro aiuto ai progettisti di elettronica, al
Read moreIOTA: la criptovaluta per l’IoT
Nei tradizionali modelli blockchain, le transazioni vengono raggruppate in ciascun blocco dopo essere state verificate dai minatori. Quindi, con l’aumentare del numero di transazioni, aumenta anche il
Read moreV26PE Antigua Island. From DXNews.com
Paul, VA3ZC will be active as V26PE, from Antigua Island, IOTA NA – 100, 13 – 27 February 2018., V26PE Antigua Island. From DXNews.com, ,
Read moreFK/JG1XMV New Caledonia. From DXNews.com
Arnaud, JG1XMV will be active as FK/JG1XMV, from Grand Terre Island, IOTA OC – 032, Lifou, Mare and two other islands, IOTA OC – 033,
Read moreJ6/KG9N Saint Lucia Island. From DXNews.com
Charles, KG9N will be active as J6/KG9N, from Saint Lucia Island, IOTA NA – 108, 13 – 27 February 2018., J6/KG9N Saint Lucia Island. From
Read moreIndoor Attic Dipole Antenna for Ham Radio & CQ Antennas Center Insulators
“Viewer request to try out an antenna for Ham Radio in the attic. Using the CQ Antennas Center Insulators from KE5FEN. Thanks David for the
Read morePuerto Rico, US Virgin Island Amateurs are International Humanitarian Award Winners
The ARRL Board of Directors has conferred the 2018 International Humanitarian Award jointly on the Amateur Radio population of Puerto Rico — served by ARRL Section Manager
Read moreCree potenzia i lampioni a LED
Cree ha aggiornato il suo sistema ottico NanoOptic Precision Delivery Grid per migliorare le prestazioni di Cree Streetlights nei mercati di Europa, Medio Oriente e
Read moreSmart Grid e IoT per il risparmio energetico
La smart grid è l’integrazione della rete elettrica tradizionale con le telecomunicazioni e le tecnologie dell’informazione di più recente fabbricazione. Tale integrazione consente di ottimizzare l’utilizzo
Read moreNuove Sezioni CISAR: CISAR CALTAGIRONE
NUOVE SEZIONI CISAR SEZIONE CISAR CALTAGIRONE Informiamo tutti i soci che il CDN nella riunione del 23 gennaio ha ratificato la sezione Cisar di
Read moreARRL Board of Directors Agrees to Review of Conduct Code for Directors
The ARRL Board of Directors took action on a number of items at its Annual Meeting, January 19-20, in Windsor, Connecticut, including adopting a motion
Read moreSouthern California Linux Expo, Special Event N6S Set for March 8-11
The 16th annual Southern California Linux Expo (SCaLE) will take place March 8-11 at the Pasadena Convention Center. SCaLE began hosting Amateur Radio presentations in
Read moreNew IARU Region 2 HF Beacon Coordinator Named
The International Amateur Radio Union (IARU) Region 2 Executive Committee has named Dennis Stice, WI5V, of Oklahoma City, as the new HF Beacon Coordinator for
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