Sam, R7AB has one of the largest antenna systems for HF in the world. Here is a video fly-by showing just part of that site.
Read moreMese: Febbraio 2018
SDRPlay RSP-1A VS Airspy HF+
“Comparing reception of two popular SDR Receivers using the same antenna at 5 PM local time. Short wave and medium wave frequencies. Using the same
Read moreUn DAC in corrente bidirezionale da Analog Devices
Analog Devices ha annunciato l’LTC7106 Power by Linear, un DAC in corrente bidirezionale di precisione,controllato attraverso PMBus/I2C, progettato per regolare la tensione in uscita di qualsiasi regolatore
Read moreIl calcolo dei polinomi
Sono presentati diversi metodi per il calcolo di polinomi, le costanti utilizzate sono lette direttamente da flash oppure da ram inizializzata. Gli esempi ed i disassemblati di questo articolo si riferiscono a cpu con
Read moreT88RF Palau. From DXNews.com
JJ2RCJ will be again active from Palau, IOTA OC – 009, 7 – 10 February 2018, as T88RF., T88RF Palau. From DXNews.com, ,
Read moreD-Star ONE Phoenix, First D-Star Communication Spacecraft, Launched
A Soyuz rocket launched D-Star ONE Phoenix and 10 other satellites into orbit on February 1 from Vostochny Cosmodrome in Russia. Developed by German Orbital Systems in Berlin in
Read moreRiduzione del rumore in applicazioni PWM
Le applicazioni di controllo motore, di conversione e trasformazione dell’energia, di audio e video encoding e decoding, sfruttano oggi sempre più le periferiche di pulse width
Read more3Y0Z Bouvet Island DXpedition Aborted over Safety Concerns
In a huge disappointment for the DX community and the members of the 3Y0Z Bouvet Island team, the DXpedition’s leaders announced at 2000 UTC today
Read more3Y0Z – ABORTED – Bouvet Island DXpedition
2000 UTC 3 February 2018 During the last 72 hours we continued to experience the high winds, low clouds, fog, and rough seas that have
Read moreEric from Universal Radio discusses the Icom IC-R8600 Receiver
Eric, KC8XJ of Universal Radio discusses some fine points of the Icom IC-R8600 receiver. The IC-R8600 is a very wide band feature packed self contained
Read morePOLAR CROWN CORONAL HOLE: A large hole in the sun’s atmosphere has formed around the sun’s north pole
POLAR CROWN CORONAL HOLE: A large hole in the sun’s atmosphere has formed around the sun’s north pole. This is called a “polar crown coronal
Read moreAmateur Radio Newsline Report 2101 for Friday, February 2, 2018
– DELAYS PLAGUE HAMVENTION EXPO CENTER – ARIZONA’S QUARTZFEST BREAKS RECORD – NEW SATELLITE READY FOR ACTION – HUMANITARIAN AWARD NAMED FOR RECENT SILENT KEY – NONSTOP RADIO, NONSTOP COFFEE
Read moreZ60A Fielding Three Stations to Handle Huge Pileups for New DXCC #1
Three Z60A stations are up and running with DL3DXX, DL5CW, DJ5IW, IK0FVC, and VE7NY handling operating duties. The special activation to mark the addition of
Read moreVolunteers Invited to Assist in 2018 Boston Marathon
Opportunities for Amateur Radio and non-amateur volunteers are available for the 122nd running of the Boston Marathon on Monday, April 16, sponsored by the Boston
Read moreARRL Board Meeting Minutes Posted
The minutes of the 2018 ARRL Annual Board of Directors Meeting held January 19-20, 2018, are now available on the ARRL website. Fonte originale con
Read moreWireless Institute of Australia Seeks Amateur Radio Power Increase
The Wireless Institute of Australia (WIA) is seeking a power increase for radio amateurs. WIA is pushing telecommunications regulator the Australian Communications and Media Authority (ACMA)
Read more3Y0Z Bouvet Island Video Presentation. From DXNews.com
OHDXF CCF Cruise 2017 Bouvet Island Megapedition 2018 LA6VM., 3Y0Z Bouvet Island Video Presentation. From DXNews.com, ,
Read morePJ4/K4BAI Bonaire Island. From DXNews.com
K4BAI will be again active as PJ4/K4BAI, from Bonaire Island , IOTA SA – 006, 11 – 23 February 2018., PJ4/K4BAI Bonaire Island. From DXNews.com,
Read moreXV9WJR Vietnam. From DXNews.com
William, WA7WJR will be active from Vietnam, until 14 February 2018, as XV9WJR., XV9WJR Vietnam. From DXNews.com, ,
Read moreFY4VA French Guiana. From DXNews.com
Bruno, DH1BL will be active as FY4VA, from French Guiana., FY4VA French Guiana. From DXNews.com, ,
Read moreFiltri numerici con ST10
I microcontrollori della serie ST10 sono dotati di un coprocessore a 16 bit ottimizzato per le operazioni di elaborazione numerica e filtraggio dei segnali. L’elaborazione numerica dei segnali trova oggi ampio
Read moreL’Editoriale di Febbraio
Giusto farvi sapereGabriele Villa, I2VGW Chi mi conosce bene sa che non nuoto con grande piacere e dimestichezza nel mare della burocrazia. In buona sostanza,
Read more“Automatic Gain Control” is the topic of the latest episode of the “ARRL The Doctor is In” podcast
“Automatic Gain Control” is the topic of the latest (February 1) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! More than a half-million
Read moreARRL Suggests FCC May Need to Intervene to Ensure Effective Antenna Rights
Commenting in response to an FCC Public Notice (DA 17-1180) released last month, ARRL addressed the extent of Amateur Radio’s response to recent hurricane disasters and efforts needed
Read moreDeciphering Decibels Tell All for Ham Radio
“Decibels got you down? Are dBm and dBW giving you headaches? Is it confusing when sometimes an antenna gain is given in dBi and other
Read more