La modulazione CSS consiste in una variazione lineare in frequenza, denominata chirp, che spazia nell’intera banda assegnata al canale (tipicamente 125, 250 o 500 KHz)
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Mese: Settembre 2020
Realizziamo un software per Raspberry che calcola il proprio bioritmo
I bioritmi si basano su fattori ciclici dell’uomo. Essi si collocano tra la scienza e la fantasia umana, tuttavia, sono moltissime le persone che si
Read moreSpace Station Repeater 29/09/2020 (Yaesu FT-4X)
A short clip of the Amateur Radio repeater on board the International Space Station as heard on my Yaesu FT-4X Handheld radio.
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HF Station Grounding and Microcontroller Projects are Next ARRL Webinar Topics
Two well-known ham radio authors and speakers will share their expertise with members in October during ARRL Learning Network webinars. ARRL Contributing Editor Ward Silver, N0AX, will
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Slow-Scan Television Transmissions from ISS Planned – September 30
A Moscow Aviation Institute MAI-75 slow-scan television (SSTV) experiment event is planned for Wednesday, September 30, from 1305 UTC to 1845 UTC, and Thursday, October
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Best Handheld Ham Radio TRI BAND for 2020 – Tri Band Radio Comparison
Antenna 20′ DX Flagpole Antenna | OCF HF Vertical Dipole | 3.5 to 50 MHz No Radials, Stealth, Portable October 03, 2018 No comments OCF
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Former Dayton Hamvention Venue Hara Arena is Being Demolished
Hara Arena, the former venue for Dayton Hamvention® and myriad sports, entertainment, and other presentations over the years, will soon be history. In the wake of
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Chinese Amateur Radio Satellite Launches Delayed
CAMSAT says the CAS-7A launch has been postponed until next May, and CAS-5A until next June. “Because of COVID-19, many things have been delayed,” CAMSAT’s
Read moreIl protocollo LoRa
LoRa (Long Range) è un protocollo che definisce il livello fisico di connessioni radio. Ispirato da una tecnologia radar sviluppata alla fine degli anni 40,
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Otto resistori in cerca di un DAC
C’è un mostro che si annida sotto i letti di molti ingegneri, e il suo nome è Porting Del Codice. E’ una creatura che può
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New WSJT candidate release features FST4
Candidate releases are intended for beta testers, WSJT-X 2.3.0-rc1 offers the new modes FST4 and FST4W designed for use on the LF and MF bands
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AO-27 satellite celebrates 27 years in space
Stephan Greene KS1G reports the AMRAD-Oscar 27 (AO-27) satellite has celebrated 27 years in orbit On the AMSAT Bulletin Board he writes: Happy 27th birthday to
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Regolatori per applicazioni Automotive
Questo articolo affronta il problema di ottenere una regolazione di tensione ottimale per l’elettronica in ambito automotive, trattando le due questioni principali dei sovraccarichi e
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ARRL Seeks Changes in FCC Proposal to Delete 3.4 GHz Amateur Band
ARRL met via telephone with FCC staff members this week to emphasize its opposition to the FCC Notice of Proposed Rulemaking (NPRM) in Docket 19-348 to delete
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La nuova serie di oscilloscopi digitali TBS1000C
La nuova serie TBS1000C è stata concepita per venire incontro alle esigenze del settore educational, delle community di makers e hobbisti, oltre che dei progettisti
Read moreD4Z Sao Vicente Island Cabo Verde Cape Verde. From DXNews.com
Piotr, SQ9D will be active from Sao Vicente Island, IOTA AF-086, Cabo Verde (Cape Verde) 28 – 29 October 2017 as D4Z., D4Z Sao Vicente
Read moreHP3SS Panama. From DXNews.com
Robby, VY2SS is living in Panama since October 2015 and active now as HP3SS., HP3SS Panama. From DXNews.com, ,
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Come spedire dati da Arduino a Excel e viceversa
E’ possibile inviare dati ed elaborazioni da Arduino direttamente su un foglio elettronico di Excel? La risposta è si, a patto di utilizzare un Add-on
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Elektor: Un grande orologio a display LED, Wi-Fi e lettura della temperatura
L’orologio proposto dispone di display da 4 pollici di altezza. L’orario è prelevato da Internet tramite ESP32 e prevede sensori remoti. Le piccole schede con
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Hams Help Find Kids by Monitoring FRS Radios
Late on the afternoon of September 16, the police department in Post Falls, Idaho, received a 911 call that two juveniles — ages 9 and
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Abbree Foldable CS Tactical Antenna
“I was looking for an antenna to throw in my camping kit to give the portable radio a little more range. Typically campsites and backwoods
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International Telecommunication Union Releases 2020 ITU Radio Regulations
The International Telecommunication Union (ITU) has published the 2020 ITU Radio Regulations — the international treaty governing the global use of RF spectrum and satellite orbits. The publication
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Atmel Studio IDE
Riuso della proprietà intellettuale e progettazione collaborativa, semplificazione della portabilità tra architetture diverse, funzioni avanzate di editing, debugging e simulazione, espandibilità custom e incremento dell’efficienza
Read moreJW4O Svalbard. From DXNews.com
JW4O Team will be active from Svalbard, IOTA EU – 026, 8 – 12 October 2020., JW4O Svalbard. From DXNews.com, ,
Read more8P2K Barbados. From DXNews.com
Dean, 8P6SH will be active as 8P2K from Barbados,IOTA NA – 021 in CQ WW DX RTTY, 26 – 27 September 2020., 8P2K Barbados. From
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