Tesunho TH-682 FCC Certification
0 0

Tesunho TH-682 FCC Certification

Tesunho TH-682 FCC PART 22H, PART 24E FCC PART 27 Product Description for Equipment under Test (EUT) EUT Name: IP Trunking Radio EUT Model: TH-682…

Tesunho TH-682 FCC Certification
0 0

Tesunho TH-682 FCC Certification

Tesunho TH-682 FCC PART 22H, PART 24E FCC PART 27 Product Description for Equipment under Test (EUT) EUT Name: IP Trunking Radio EUT Model: TH-682…

I Vantaggi della codifica indipendente
0 0

I Vantaggi della codifica indipendente

Lo sviluppo di codice indipendente dal compilatore per i microcontrollori conferisce un elevato livello di flessibilità a qualsiasi progetto di sistema embedded. I progettisti di sistemi embedded devono affrontare problematiche quali cicli di sviluppo…

I Vantaggi della codifica indipendente
0 0

I Vantaggi della codifica indipendente

Lo sviluppo di codice indipendente dal compilatore per i microcontrollori conferisce un elevato livello di flessibilità a qualsiasi progetto di sistema embedded. I progettisti di sistemi embedded devono affrontare problematiche quali cicli di sviluppo…

TS-890S – Kenwood
0 0

TS-890S – Kenwood

The most rewarding results often take place when faced with the harshest and most challenging conditions.There are enthusiasts who know this all too well because…

Jordan’s First CubeSat, JY1Sat, is Designated as JO-97
0 0

Jordan’s First CubeSat, JY1Sat, is Designated as JO-97

JY1Sat, launched on December 3 from Vandenberg Air Force Base in California as part of the SpaceX SSO-A: SmallSat Express launch, has been designated as…

SAQ Alexanderson Alternator Transmission Set for Christmas Eve
0 0

SAQ Alexanderson Alternator Transmission Set for Christmas Eve

Sweden’s Alexanderson alternator station SAQ has planned a Christmas Eve transmission on 17.2 kHz. The transmitter will be tuned up starting at around 0730 UTC,…

FT8 Enthusiasts Urged to Upgrade Now
0 0

FT8 Enthusiasts Urged to Upgrade Now

WSJT-X 2.0 Full Release Now Available The WSJT-X 2.0 software suite has been released, and developer Joe Taylor, K1JT, is urging FT8 and MSK144 users to upgrade…

Icom IC-7100 Sending Email Via VHF, Winlink, Mobilinkd, ARES
0 0

Icom IC-7100 Sending Email Via VHF, Winlink, Mobilinkd, ARES

In this video, I will show you how I interfaced my 7100 with the Mobilinkd bluetooth TNC wireless to my PC to send emails on…

NavPi: come fare staking di NavCoin con un Raspberry Pi
0 0

NavPi: come fare staking di NavCoin con un Raspberry Pi

NavCoin, una delle criptovalute più efficienti, sicure e veloci, permette di ottenere dei guadagni semplicemente lasciando depositata la moneta nel proprio wallet. Scopriamo in questo…

Le novità sulla ricarica Wireless – Intervista a Tony Armstrong Direttore Marketing, Power Products @ Analog Devices
0 0

Le novità sulla ricarica Wireless – Intervista a Tony Armstrong Direttore Marketing, Power Products @ Analog Devices

La ricarica wireless è senza dubbio un requisito per ottimizzare le richieste di alimentazione di un qualsiasi dispositivo portatile. Offrendo inoltre un modo semplice per…

International Space Station Contact 10/12/2018

A video of today’s Space Station contact as heard from the North East of England.

Your First HF Transceiver, Advice from Jim Heath W6LG
0 0

Your First HF Transceiver, Advice from Jim Heath W6LG

Jim Heath W6LG discusses buying your first HF transceiver if you are new to amateur radio. This is broad, general advice for someone buying a…

Fox-1Cliff/AO-95 Receiver Suffers Apparent Failure
0 0

Fox-1Cliff/AO-95 Receiver Suffers Apparent Failure

The receiver on the newly launched Fox-1Cliff/AO-95 CubeSat seems to have suffered a receiver failure that could render the satellite unusable, AMSAT said over the…

“Emily Calandrelli, KD8PKR—Science Explorer,” profiled by Jen Glifort, KC1KNL, in the January issue of #QST!
0 0

“Emily Calandrelli, KD8PKR—Science Explorer,” profiled by Jen Glifort, KC1KNL, in the January issue of #QST!

From Emily Calandrelli—host of Xploration Outer Space, correspondent on Bill Nye Saves the World, and graduate of MIT—comes the first novel in a brand-new chapter…

Finished product WSJT-X 2.0 now available
0 0

Finished product WSJT-X 2.0 now available

WSJT-X implements communication protocols or “modes” called FT8, JT4, JT9, JT65, QRA64, ISCAT, MSK144, and WSPR, as well as one called Echo for detecting and measuring your own radio signals reflected from the Moon.  These modes were…

Space Station Contact 10/12/2018
0 0

Space Station Contact 10/12/2018

An International Space station Amateur Radio contact is planned with the Thiviers College and Chalais (Dordogne) in France on 10th December 2018. Scheduled time is…

Floureon FC200 – The Inside Story
0 0

Floureon FC200 – The Inside Story

So I’ve had the back off these little radios and thought I’ll show you what’s inside…. (Click images to enlarge)   As you can see…

NASA releases first sounds ever recorded on Mars Read
0 0

NASA releases first sounds ever recorded on Mars Read

Listen to Martian wind blow across NASA’s InSight lander. The spacecraft’s seismometer and air pressure sensor picked up vibrations from 10-15 mph (16-24 kph) winds…

Fox-1Cliff/AO-95 Commissioning Status
0 0

Fox-1Cliff/AO-95 Commissioning Status

Following the launch of Fox-1Cliff/AO-95, AMSAT Engineering began the commissioning process, with the help of AMSAT Operations, on Tuesday December 4. Satellite telemetry indicates that the…

Floureon FC200 PMR446 Handsets

Algoritmi di filtraggio digitale
0 0

Algoritmi di filtraggio digitale

La diffusione di microcontrollori a basso costo con funzionalità di DSP (Digital Signal Processing) rende disponibili degli apparati in grado di implementare l’elaborazione digitale dei segnali, e in particolare…

MFJ Octopus Antenna, MFJ-2100 Making Contacts
0 0

MFJ Octopus Antenna, MFJ-2100 Making Contacts

VHF 145 MHz Low Loss Bandpass Helical Filter April 29, 2015 No comments     Low Loss Bandpass by Mile Kokotov Basic design of the…

2018 QST Antenna Design Competition Winners Announced
0 0

2018 QST Antenna Design Competition Winners Announced

ARRL has announced the winners of the 2018 QST Antenna Design Competition. “Dozens of entries were received, but only three could win,” said QST Editor Steve Ford, WB8IMY. Requirements…

Conversione da UART a SPI con FPGA
0 0

Conversione da UART a SPI con FPGA

Molto spesso è necessario poter utilizzare direttamente componenti che abbiano un’interfaccia di tipo SPI come sistema di comunicazione. L’articolo evidenzia come sia possibile una comunicazione diretta su questi componenti, utilizzando la classica seriale RS232 senza uso di microprocessori e relativi FW, ma…