D-STAR ONE communication & amateur radio satellite
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D-STAR ONE communication & amateur radio satellite

D-Star ONE (DP1GOS) halfduplex repeater & beacon frequencies: Uplink: 437,325MHz / Downlink: 435,525MHz RF-Power: 800mW D-Star One is a 3U CubeSat which is equipped with…

RigExpert AA-30.Zero – HF Antenna Analyzer (0.6 TO 30 MHZ)
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RigExpert AA-30.Zero – HF Antenna Analyzer (0.6 TO 30 MHZ)

A standard AA-30 analyzer but without enclosure, LCD display and keypad. But .ZERO is even more powerful than the good old AA-30. Description RigExpert AA-30.ZERO It…

Avvisatore di allagamento con ESPertino
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Avvisatore di allagamento con ESPertino

Grazie alle sue possibilità intrinseche di collegarsi a Internet, ESPertino può rivelarsi un utile avvisatore di allagamento di un ambiente. Il progetto utilizza anche uno…

IC security non clonabile da Maxim Integrated
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IC security non clonabile da Maxim Integrated

Maxim Integrated ha annunciato un nuovo IC con tecnologia ChipDNA per offrire una soluzione economica ed affidabile al fine di proteggere le varie soluzioni dei…

Il calcolo dei tempi di risposta dei task nei sistemi real-time
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Il calcolo dei tempi di risposta dei task nei sistemi real-time

Questo articolo descrive nel dettaglio un algoritmo utilizzabile per calcolare i tempi di risposta dei task schedulati in modo prioritario da un sistema operativo real-time assieme alla tecnica…

SKYWARN Recognition Day Webinar Set for November 27

A free webinar, “What is SKYWARN™ Recognition Day and how can you participate?” will take place on November 27 at 8 PM EST (0100 UTC…

ARRL 10 Meter Contest QST Announcement Correction

Fonte originale con articolo completo Articolo ARRL 10 Meter Contest QST Announcement Correction su Etere Blog | Radioamatori | Amateur Radio | HamRadio | Radio.

6Y3M Jamaica. From DXNews.com

HA6ND, VE3NZ, VE3NE will be active from Jamaica, IOTA NA – 097, in CQ WW DX CW Contest, 25 – 26 November 2017 as 6Y3M.,…

H91IT Taboga Island. From DXNews.com

HP1MAC, HP1RIS, HP1DRK will be active from Taboga Island, IOTA NA – 072, 6 – 9 January 2018 as H91IT., H91IT Taboga Island. From DXNews.com,…

C6AGU Bahamas. From DXNews.com

AA7JV will be active from Bahamas in CQ WW DX CW Contest 27 – 28 November 2010 as C6AGU., C6AGU Bahamas. From DXNews.com, ,

Antenna DUO8 15-20 separate feed – Momobeam
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Antenna DUO8 15-20 separate feed – Momobeam

DUO 8 15-20 SF is a fullsize antenna for 14 MHz and 21 MHz. No traps or adapting systems where used to obtain fantastic performances and the…

Year-Long NASA On The Air Event Kicks off on December 11
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Year-Long NASA On The Air Event Kicks off on December 11

The Amateur Radio clubs at National Aeronautics and Space Administration (NASA) centers around the US have invited the Amateur Radio community to join the NASA…

Progettazione della strumentazione: sfide e soluzioni
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Progettazione della strumentazione: sfide e soluzioni

La strumentazione consente agli ingegneri di vedere e capire cosa sta accadendo su differenti processi elettronici e meccanici o sistemi. Questi dispositivi ottengono, analizzano e…

V85/KC0W Brunei. From DXNews.com

Tom, KC0W will be active from Brunei, 24 November – 10 December 2017 as V85/KC0W., V85/KC0W Brunei. From DXNews.com, ,

VP5M VP5/K4QPL VP5/AA4NC Providenciales Island Turks and Caicos. From DXNews.com

K4QPL and AA4NC will be active from Providenciales Island, IOTA NA – 002, in CQ WW DX CW Contest 25 – 26 November 2017 as…

ZF2PG Grand Cayman Island. From DXNews.com

Peter, K8PGJ will be active again from Grand Cayman Island, IOTA NA-016, 13 – 21 January 2018 as ZF2PG., ZF2PG Grand Cayman Island. From DXNews.com,…

La tecnologia Radar
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La tecnologia Radar

Nonostante la diffusa disponibilità di sensori passivi avanzati, il radar resta il principale sensore di aeromobili moderni di combattimento. I sistemi radar moderni offrono prestazioni…

SoC di infotainment per le automobili da Renesas
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SoC di infotainment per le automobili da Renesas

Renesas ha annunciato un SoC di infotainment per il settore automotive per la visualizzazione grafica 3D. Il chip R-Car D3 offre grafica avanzata, riducendo al…

W8TEE and K2ZIA Win the November 2017 QST Cover Plaque Award

The winning article for the November 2017 QST Cover Plaque award is “Build Your Own Arduino-Based Antenna Analyzer” by Jack Purdum, W8TEE, and Farrukh Zia,…

C5YK Gambia. From DXNews.com

ON4YK is currently active from Gambia as C5YK., C5YK Gambia. From DXNews.com, ,

ZF2OK Cayman Islands. From DXNews.com

Brian, W1OU will be active next several months from Cayman Islands, IOTA NA – 016, as ZF2OK., ZF2OK Cayman Islands. From DXNews.com, ,

Mysterious Signals Did Not Come from Missing Submarine ; MF/HF Frequencies Listed
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Mysterious Signals Did Not Come from Missing Submarine ; MF/HF Frequencies Listed

Satellite signals heard over the weekend did not come from a missing Argentine Navy submarine San Juan that went missing on November 15, dashing hopes that the…

IRN – International Radio Network
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IRN – International Radio Network

The IRN (International Radio Network) is a VoIP/RoIP system using Teamspeak 3 (TS3) that allows radio users to TX/RX using RF around the World using …

New InnovAntennas Quads
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New InnovAntennas Quads

NEW FOR 2018! Following on from our successful LFA-Q compact quads, we are adding a more traditional looking quad to our range which boasts two…

Lattice Wave Digital Filters
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Lattice Wave Digital Filters

Una breve introduzione alle principali caratteristiche strutturali dei “Lattice Digital Filters” e alla loro implementazione tramite microcontrollori MSP430.  Il filtraggio numerico è ormai diventata una tecnica…