Sono così importanti i numeri casuali? che differenze ci sono tra i numeri casuali e pseudocasuali? In questo articolo vedremo come generare numeri veramente casuali. I generatori di numeri casuali sono
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Mese: Gennaio 2018
Progettare per bassi consumi: quanto sono sufficientemente bassi?
I moderni dispositivi palmari – sia quelli orientati al mercato consumer che quelli industriali – possono includere un telefono cellulare che può anche essere utilizzato
Read moreNASA TV to Air Live Coverage of Rare Lunar Eclipse
Sky gazers are in for a rare treat Wednesday, January 31, when three celestial events combine to create a super blue blood moon. NASA Television
Read moreH72DX Nicaragua. From DXNews.com
Jim WB2REM and Mark WY1G will be active as H72DX, from Nicaragua, 26 February – 6 March 2018., H72DX Nicaragua. From DXNews.com, ,
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Dedicato a Renato Guttuso
La Sicilia può esser considerata meritatamente una patria della cultura e della civiltà visto che l’isola ha dato i natali a scultori, poeti, filosofi, santi
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AmsatDroidFree now open source
AmsatDroidFree satellite tracking App for Android devices is now open source. This App predicts future passes for amateur radio satellites for a specified location and period
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L’importanza dei regolatori lineari e switching – Intervista a Tony Armstrong e Brian Black, Managers @ Analog Devices
I progettisti sono ben consapevoli dell’efficienza dei convertitori cc/cc in molte applicazioni che coinvolgono per esempio i sistemi di energy harvesting. Le richieste di basso
Read moreCanadian Radio Amateur Finds Resurrected NASA Satellite
When he’s not on ham radio, Scott Tilley, VA7TIL, an amateur astronomer, hunts spy satellites. Using an S-band radio from his home in Roberts Creek,
Read moreAnticipated New Building Won’t Be Ready for Hamvention 2018, but Flea Market Could Expand
Due to circumstances beyond their control, Hamvention® 2018 organizers reluctantly are walking back an earlier announcement that a new building would be available for this
Read moreARRL to Offer Expanded Orlando HamCation® Presence February 9-11
ARRL will be represented in force and with an expanded presence at Orlando HamCation February 9-11 in Orlando. The event, which also is the 2018
Read more3Y0Z Bouvet Island Team Has Some 600 Nautical Miles to Go
The 3Y0Z DXpedition, now on board the Betanzos en route to Bouvet Island, the third most-wanted DXCC entity (now behind Kosovo and North Korea), is
Read moreVideo R7AB Amateur Ham Radio Contest Station. From DXNews.com
Video R7AB Contest station. CQ WW 160m Contest 26 – 28 January 2018., Video R7AB Amateur Ham Radio Contest Station. From DXNews.com, ,
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Applicazioni USB con MB90330A Fujitsu
La MB2031-01 è una scheda di valutazione multifunzionale che, in parallelo con la scheda-figlia MB2031-20, permette il testing e lo sviluppo di applicazioni basate sui microcontrollori Fujitsu della serie MB90330A,
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Pilotare motori Brushless con i microcontrollori RENESAS
Lo sviluppo di periferiche sempre più specifiche e complete a bordo dei microcontrollori ha permesso l’integrazione sempre più spinta dei circuiti di controllo e la
Read moreMFJ-1708SDR review – Share your antenna between your transceiver and an SDR
“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 moreRadio 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.,
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ARISS 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
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AO-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
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Tenere 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
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I 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
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MRFX1K80H: 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
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Review 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
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