Author: iz4wnp
Batterie al limone: come funzionano e quanto sono potenti?
La realizzazione di batterie con strumenti che ci mette a disposizione la natura è un esperimento molto in voga, specialmente tra i più piccoli. L’utilizzo…
Firmware 2.0 #02 – AI
E’ uscito il terzo numero di Firmware 2.0. Il focus di questo mese è dedicato al settore Artificial Intelligence. All’interno troverete articoli tecnici su reti…
Contest Entry Features Multiple Operator Locations and Remote Transmitter-Receiver Site
Restrictions on gatherings due to the COVID-19 pandemic recently prompted a novel approach to multioperator/multi-transmitter operation. The WW2DX entry in the CQ World Wide WPX…
JTAlert 2.16.3 – Update – FT8 – FT4
*** Includes Callsign database file version 2020-03-30 (2020-March-30) Changes: – US State Scan: A popup warning that a new scan is needed will be shown…
RSGB contest committees launch ‘Hope QSO Party’
To help and support radio amateurs who are isolated at home and would appreciate contact with other people, the RSGB Contest Committees are launching a…
Ham Radio Test Online! – First Recorded Technician License Completion
Ham Radio Test Online – USA conducts first online ham radio exam – special thanks to W5YI for supporting this project. Antenna MomoBeam DUO 6…
Ham Radio Deluxe 6.7.0.269 FT4 Release WMV
This video demonstrates the method for getting FT4 QSOs into Ham Radio Deluxe Logbook correctly, uploading them to LOTW, and downloading them from LOTW so…
Algoritmi di consenso: Proof of Work, Proof of Stake o dBFT?
Dietro ogni criptovaluta esiste sempre un algoritmo di consenso, il cui compito è assicurare che ogni transazione sia correttamente verificata e validata prima di essere…
ARI DX International: Le categorie Multi-Op sospese nel 2020
Seguendo le raccomandazioni della IARU e vista l’attuale situazione sanitaria e le ultime disposizioni normative, le categorie Multi-Operatore (sia Multi-Op Singolo TX che Multi-OP Multi…
MARS Military frequency list and schedule for nets MArch 31st 2020
DOWNLOAD .PDF LIST BELOW VHF Connect Systems CS120D UHF DMR | Newest DMR Handheld from Connect Systems March 31, 2020 No comments Read more…
ARES Members to Support Illinois Emergency Management Agency in COVID-19 Response
Illinois ARES members are supporting the Illinois Emergency Management Agency’s (IEMA) COVID-19 response activities as AuxComm Radio Operator volunteers. Illinois ARES will coordinate the number…
MomoBeam DUO 6 20-40 SF – BIBAND – 20M and 40M
DUO 6 20-40 SF is every contester’s dream, a dual-band yagi with separate feed line, high power handling, large bandwidth and with the usual Momobeam mechanical…
Delay in Delivery of ” Icom IC-705 “
Icom IC-705 Thank you for using ICOM products. Many customers have made reservations for the HF-430MHz all-mode 10W transceiver “IC-705”, which was scheduled to be…
Connect Systems CS120D UHF DMR | Newest DMR Handheld from Connect Systems
VHF Connect Systems CS120D UHF DMR | Newest DMR Handheld from Connect Systems March 31, 2020 No comments Read more ARRL Suspending Tours and Guest…
I2C-Debug: come effettuare debug sul protocollo I2C in modo semplice!
Il protocollo I2C viene largamente utilizzato per differenti periferiche embedded. Il vero problema è che non è sempre facile effettuare debug: il protocollo I2C non…
Smart contract su blockchain Ethereum, cosa sono e come funzionano
L’idea degli smart contract nasce durante la fine degli anni 90 e consiste nella digitalizzazione di contratti veri e propri che vengono conservati in un…
Video KL7RRC/P Sledge Island. From DXNews.com
Video of KL7RRC/P IOTA Expedition to Sledge Island, IOTA NA – 210, Alaska., Video KL7RRC/P Sledge Island. From DXNews.com, ,
COVID-19 Affects Space Station Crew Transition
International Space Station (ISS) Expedition 62 crew is readying its Soyuz MS-15 vehicle for an April 17 departure back to Earth. Expedition 62 members are NASA Flight…
Understanding HF Propagation
“Looks at how HF radio signals are propagated via the ionosphere. Includes a description of NVIS propagation, and looks at VOACAP-based propagation prediction tools. This…
A Simple High-Frequency Communications Receiver
See What QST Has to Offer! QST is the monthly membership journal of ARRL. Each issue is your source for equipment reviews, technical tips, projects, news…
FCC Grants Temporary Emergency Authority to WISPs Operating in 5.8 GHz Band
The FCC has granted temporary permission to wireless internet service providers (WISPs) in rural portions of 29 states and the US Virgin Islands to operate in the…
NZ hams allowed “ZM” prefix during Covid-19
At the suggestion of Paul, ZL4TT, we applied to Radio Spectrum Management for, and have been granted, approval to treat the COVID-19 lockdown period as…
LT Filter Design
LT1567 e LT1568 sono due chip di Analog Devices che consentono di realizzare, con l’aggiunta di pochi componenti esterni, filtri attivi RC low-noise e high-frequency di diverso ordine, sia passa-basso sia passa-banda, con…
49:1 End Fed Half Wave Multi-Band HF Antenna 80m – 10m
News Prepping for Ham Radio Operators & Beginners March 29, 2020 No comments Read more Monitoring Emergency Radio Frequencies and Scanning March 29, 2020 No…
Prepping for Ham Radio Operators & Beginners
Antenna 49:1 End Fed Half Wave Multi-Band HF Antenna 80m – 10m March 29, 2020 No comments Read more HF Antenna In An HOA, Chameleon…
