Author: iz4wnp
QCX-mini is coming soon!
QCX-mini is a response to quite a few comments on the new QCX+ kit, from people who want to take it out portable for SOTA operations…
Yaesu 817 QRP KIt
Yaesu 817 QRP KIt Antenna Multiband Delta Antenna – M0PLK May 04, 2015 No comments Multiband Delta Antenna Closed loop antennas are always less…
Watch This Before Buying A Xiegu GSOC
Watch This Before Buying A Xiegu GSOC Antenna Homemade 4M (70MHz) Delta Loop Antenna June 10, 2020 No comments Read more How To Use An…
Il linguaggio D: fondamenti (Parte 1)
Questo è il primo di due articoli che tratteranno la programmazione in linguaggio D. E’ un linguaggio di programmazione generico tipizzato, con accesso a livello…
ON4UN – JOHN DEVOLDERE – S.K
Very sad news just received from the daughter of John, ON4UN It is with sadness, but also gratitude and pride, I have to let you…
Doublet vs Dipole vs End Fed Antennas – Which is Best for You?
Doublet vs Dipole vs End Fed Antennas – Which is Best for You? Antenna FX771 MetroPWR Overview September 14, 2017 No comments Technical Features METER…
Baofeng BF-F8+ III Tri Band HT Radio | Tri Band Ham Radio Handheld
The BF-F8+ is the first UV-5R radio to get a full internal upgrade.It has the updated internal components of the GT-3 but also full backward compatibility…
PCI Express
L’evoluzione tecnologica richiede, con sempre, maggiore incisività, strumenti che possano garantire un aumento delle prestazioni. Per questa ragione il Bus PCI non ha potuto esimersi…
39 Years of Legal CB – Amstrad 901
Video:YouTube/104’s World Another cracking video from Gary as he celebrates 39 years of legal UK CB Radio on 2nd November 2020….
Radioddity PAX100 Amp and LPFX7 Low Pass Filter for Xiegu G-90 and X5105
This video goes over the Radioddity PAX100 Amp and LPFX7 Low Pass Filter for Xiegu G-90 and X5105. The PAX100 is a 100 watt amp…
Israel special event
Israel special event During the week of Chanukah celebrations, special Israeli radio amateur stations will be active on the air with a special callsigns ending…
Android per sistemi embedded Real-Time (Prima Parte)
Android, fin dall’inizio, ha catalizzato l’interesse di aziende e sviluppatori. Infatti, da sempre questa piattaforma software è stata costantemente migliorata sia in termini di caratteristiche…
Il nuovo computer desktop Raspberry Pi 400
Una novità assoluta nel settore dell’elettronica embedded: il nuovo computer desktop Raspberry Pi 400, che offre prestazioni leader del settore ed un elevato livello di…
Dynamic DNS script
Il servizio di DNS dinamico è comodo in tutti i casi in cui si vuole raggiungere un proprio dispositivo della rete privata attraverso Internet e…
OS Writing [3]: Per non essere fuori dal mondo
Un computer nasce, sostanzialmente, per fare conti. Quali conti e a cosa servano è una questione relativa, che al processore non interessa minimamente. Passategli dei…
Giochiamo con Arduino: strumento musicale ad ultrasuoni “no touch”
Questo semplice progetto è nato durante un corso sull’utilizzo di Arduino con i miei alunni ed ha preso spunto dall’uso dei sensori ad ultrasuoni per…
NASA reestablishes contact with 43-year-old Voyager 2 which is 11.6 BILLION miles from Earth after repairs to antenna in Australia left spacecraft flying solo for seven months
NASA has reestablished contact with its Voyager 2 spacecraft as it travels more than 1.6 billion miles from Earth – after the probe was left flying…
KM4ACK End Fed Half Wave Antenna Build And Review
KM4ACK End Fed Half Wave Antenna Build And Review Kit includes everything you need to build a 49:1 end fed half wave antenna. Antenna works…
Xiegu GSOC First Look! Feature Walkthrough
Xiegu GSOC First Look! Feature Walkthrough Antenna Buddistick Antenna – 40m – 6m – In Depth Review February 05, 2020 No comments Read more Simple…
ARRL Comments on FCC Draft World Radiocommunication Conference Recommendations
ARRL has submitted comments on two draft recommendations approved in October by the FCC’s World Radiocommunication Conference Advisory Committee (WAC). The comments focus on draft…
Il nuovo microcontrollore ESP32-S2
La Espressif, la società che ha creato i famosi microcontrollori di successo ESP8266 ed ESP32, ha annunciato il rilascio di ESP32-S2. Si tratta di un…
NEW – President Andy II FCC
Looks like President have another radio in the pipeline for their American customers… The President Andy II FCC 4 Watts AM 26.965 – 27.405…
Measuring Coaxial Cable Losses @ HF, VHF, and UHF frequencies.
Measuring Coaxial Cable Losses @ HF, VHF, and UHF frequencies. Antenna HF Mobile Autotune Whip Antenna 1.8-30 MHz 200W December 08, 2014 No comments Stealth…
Chameleon Antenna F-LOOP 2.0 TOTAL
The CHA F-LOOP 2.0 was designed with portability, ease of use simplicity, ruggedness and high performance in mind. Unlike any other similar antennas on the…
Category 4 Hurricane Eta Threat Prompts Activation
As Hurricane Eta increased to a major Category 4 hurricane with sustained winds of 140 MPH on track to landfall along the Nicaraguan coast, WX4NHC at the…