Description Overview It will be 5 elements twin loop antenna of amateur radio 1200Mhz band for mobile. Decomposed and we try to carry. Connector will
Read moreMese: Febbraio 2019
Are We Entering a Maunder Minimum? [PODCAST]
“ARRL The Doctor is In” podcast. Listen…and learn! We are at the bottom of the current solar cycle, but what are the long-term prospects for
Read moreARISS Plans Do-Over of Slow-Scan TV Transmissions over February 15 – 17 Weekend
Amateur Radio on the International Space Station (ARISS) is planning another popular slow-scan television (SSTV) event in the wake of an SSTV experiment last weekend,
Read moreLa tecnologia RSFQ
Da una decina di anni a questa parte un nuovo protagonista si sta affacciando sulla scena delle applicazioni digitali a radiofrequenza. Si tratta della tecnologia elettronica a superconduttori Rapid-Single-Flux-Quantum (RSFQ), un’alternativa molto
Read moreFunzionamento dei principali convertitori DC-DC in CCM e DCM
L’elettronica di potenza è presente in ogni sistema moderno, fornire la tensione necessaria ai sottosistemi con il massimo dell’efficienza è il motivo per il quale
Read moreTest Equipment Basics – Ham Nation 389
Relief efforts in Cuba, testing equipment, aurora updates. Coordinating emergency communications in Cuba, Dr. Skov with solar weather and an aurora update, testing equipment and
Read moreRadio Hams transfer Crypto ( BitCoin ) Currency on 40m band
Radio hams transfer Crypto Currency on 40m band CryptoVibes reports amateur radio was used to send Bitcoin from Toronto to Michigan on 7.077 MHz using
Read moreUS Navy Explores Amateur Radio as a Training Adjunct
The US Navy’s Naval Air Warfare Center Weapons Division (NAWCWD) has adopted Amateur Radio training as a possible new approach to basic RF and electronics
Read moreUn nuovo kit di sviluppo da ST Microelectronics
Supportando la comunicazione simultanea su BLE e Wireless Sub-1GHz, il kit di sviluppo a dual band ST STEVAL-FKI001V1 offre la flessibilità di immaginare, costruire e
Read moreCorso C avanzato su Raspberry Pi: Gestire le pause di ritardo
In questa settima lezione tratteremo delle metodologie per creare delle pause di ritardo. Il Raspberry Pi è estremamente veloce e, a volte, è necessario adattare
Read morePresident Bill FCC Teardown
Video:YouTube/MikesRadioRepair Taking a look inside the little President Bill FCC radio. It’s truly amazing what can be packed into a tiny box these days…..
Read morePresident Bill Service Menu Secrets
Video:YouTube/Klaus R. An interesting video showing differences between the FCC and EU versions of the President Bill along with some ‘service menu’ secrets. In common
Read moreNew Light & A Guest Star: Solar Storm Forecast 02-13-2019
“We are finally beginning to quiet down after exiting an extended source of sporadic fast solar wind hitting Earth over the past ten days. We
Read moreEs’hailSat 2 portable reception
Receiving Es’HailSat 2 from my balcony using *very* minimal setup. Antenna New ! Chameleon Antenna 7.0-54.0 MHz CHA WINDOM 40 March 20, 2016 No comments
Read moreFirst contact with this new Chinese made FX9B QRP
“My first 20 metre contact on the FX9B with a LZ Station. A little thumbling around in the beginning with some settings . I also
Read moreAO-85 Turned Off due to Return of Eclipse Periods and Poor Battery Condition
The Fox-1A (AO-85) CubeSat has been turned off until further notice due to return of eclipses and poor battery condition, control operator Mark Hammond, N8MH,
Read moreLa Trasmissione criptata dei dati
La criptazione dei dati è un’elaborazione algoritmica a seguito della quale il contenuto di un file diviene illeggibile. Il file tornerà nelle condizioni originarie solo conoscendo un’apposita password (o chiave) di decriptazione.
Read moreCPU Design: Cache che non ti aspetti
Ogni nerd che si rispetti probabilmente ha sentito per la prima volta la parola “cache” leggendo le caratteristiche di qualche computer sui volantini pubblicitari dei
Read moreBHI Dual In-Line Noise Cancelling Module + President Grant 2
Video:YouTube/Fred in the Shed 2 Fred takes a look at the BHI Dual In-Line Noise Cancelling Module which can make a real difference to those
Read moreStudent from Saint Paul’s School Rajkot receives ISS SSTV
14-year-old Snehal Vagadia VU3WHO successfully received his first Slow Scan TV image from the International Space Station on Sunday, February 10. It was good ISS pass with
Read moreFCC Invites Comments on Amateur Radio-Related Petition for Rule Making
The FCC has invited public comments on a Petition for Rule Making (RM-11826) from an Ohio radio amateur seeking to amend the Part 97 station identification rules
Read moreSviluppo del sistema “Long-Range Summon” di Clarion
Il sistema sviluppato da Clarion è basato su diverse tecnologie: guida a bassa velocità, l’esclusiva tecnologia di riconoscimento ambientale, tecnologie di connessione e di controllo
Read moreSviluppo del sistema “Long-Range Summon” di Clarion
Il sistema sviluppato da Clarion è basato su diverse tecnologie: guida a bassa velocità, l’esclusiva tecnologia di riconoscimento ambientale, tecnologie di connessione e di controllo
Read moreARRL Contest Results Posted
The Preliminary 10 Meter Contest results have posted, as have the preliminary 160 Meter Contest results and the full 10 GHz and Up Contest results. Visit the ARRL Contest
Read moreIcom IC-9700 Preview Orlando Hamcation 2019
VHF BTECH DMR-6X2 Digital (DMR) & Analog Two-Way Radio (with GPS and Recording) June 21, 2018 in: VHF No comments The BTECH DMR-6X2 is the
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