Author: iz4wnp
Multiple Storms Launch & Martian Ice Mining: Solar Storm Forecast 01-22-2020
VHF Larsen VHF/UHF Mobile Antennas KG2/70CXPL March 01, 2016 No comments VHF/UHF Mobile Antennas Antenna, VHF/UHF, Glass Mount, 144-148/442-448 MHz, 100 W, 32.75 in. Max…
The best way to ground your shack!
Antenna 5 element Long Boom 144MHz LFA-Q Super-Gainer Quad Style Yagi November 14, 2019 No comments Description A 5 element Long Boom (2.1m) LFA-Q (Super-rigid…
Not all Ham Shacks are Created Equal. Some are Priceless!
“Twice SOTA with (2) KX2s and Wire Antennas – Steve (K7PX) and I head up Squaw and Chief mountains for Summits on the Air. Weather…
The 2020 CQ World Wide 160-Meter Contest
CW: 2200Z January 24 to 2200Z January 26 SSB: 2200Z February 21 to 2200Z February 23 DEADLINES FOR LOG SUBMISSIONS ARE 5 DAYS! I. OBJECTIVE:…
IoT è chi IoT lo fa: il portaspiccioli smart
Negli articoli precedenti abbiamo approfondito cosa significa creare un prototipo, progettandolo fin dalle basi. Ma dopo aver seguito un approccio teorico è giusto provare a declinare…
The competition will be Two-Transmitter (Multi-Two) operation – WRTC 2022 ITALY
WRTC 2022 is happy to announce in advance one of the most important rules for the WRTC 2022 competition. The style of operating will be…
ITU Development Sector Publication Highlights Amateur Radio’s Role in Emergency Communication
Amateur radio is featured in the publication, ITU Guidelines for national emergency telecommunication plans, published by the International Telecommunication Union (ITU) Development Sector (ITU-D). The publication notes…
AMSAT Says its GOLF-TEE Initiative has Met a Major Milestone
AMSAT reports that an array of GOLF-TEE (Greater Orbit Larger Footprint – Technology Evaluation Environment) satellite prototype boards transmitted telemetry for the first time on January 14. “The…
ARISS Opens Window for ISS Ham Radio Contact Proposals on February 1
Amateur Radio on the International Space Station (ARISS) is once again seeking formal and informal education institutions and organizations — individually or working together —…
ARES Volunteers Establish “Plan B” Communication Network in Puerto Rico
Amateur Radio Emergency Service (ARES®) volunteers in Puerto Rico continued over the weekend to report for daily duty at an American Red Cross (ARC) distribution…
LoRa WAN: che cosa sono?
A differenza delle sue cugine, ovvero Wi-Fi e reti cellulari, hanno delle peculiarità differenti che le rendono ottimali per queste reti. Oltre ad ottimizzare in…
Il mercato dei semiconduttori in Italia: stato attuale e prospettive di crescita
A fronte di una crescita del mercato globale dei semiconduttori, trainato soprattutto da economie emergenti come Cina, Giappone, Taiwan e Korea, e da quelle più…
UK To Canada Xiegu x5105
Video:YouTube/M0DAD Another great video from M0DAD, this time with a handheld contact from the UK to Canada. That Xiegu X5105 certainly does the business….
13,000 Mile Contact On Xiegu X5105 HANDHELD
Video:YouTube/M0OGY Here we have David, M0OGY, in the North East of England operating handheld on a Xiegu X5105 as he attempts a contact with ZL3OZ…
Xiegu G90 – Review
G90 is a portable 20W HF amateur radio transceiver with an SDR architecture with built-in auto antenna tuner. The display unit and the radio can…
GLI ADC SAR controllano il mondo
Gli obiettivi di progetto degli attuali sistemi di controllo industriali prevedono che gli stessi siano più veloci, più precisi e più piccoli, ma consumino meno e siano più…
Building The QRP-Labs QCX 50W CW HF Amplifier Kit
Review Building The QRP-Labs QCX 50W CW HF Amplifier Kit January 19, 2020 No comments Read more Testing Baofeng Harmonics & Is Ham Radio Interest…
Barry Shelley, N1VXY, to Become ARRL Interim CEO
At its meeting this weekend, the ARRL Board of Directors did not elect Howard Michel, WB2ITX, as the ARRL Chief Executive Officer. Beginning Monday, January…
Setting up APRS on the Yaesu FT3DR Handheld Transceiver – Ham Radio Q&A
Compact Design and Reliable 5W RF Power Output (Selectable 5W/ 2.5W/ 1W/ 0.3W) C4FM Digital V/D Mode, Voice FR Mode, Data FR Mode and Conventional…
Testing Baofeng Harmonics & Is Ham Radio Interest Declining?
News Barry Shelley, N1VXY, to Become ARRL Interim CEO January 19, 2020 No comments At its meeting this weekend, the ARRL Board of Directors did…
Epidemia zombie: c’è qualcosa di reale?
Avete mai pensato di potervi trovare in una situazione reale di epidemia di zombie? Avete mai pensato come si potrebbe svolgere una storia simile se…
Bluetooth vs. BLE: differenze, pro e contro
Bluetooth Low Energy. Negli ultimi anni si è intensificata la necessità di trovare un sistema che fosse meno esoso in termini di energia rispetto al…
Compressione dati con l’algoritmo di HUFFMAN
Nulla si crea e nulla si distrugge; in effetti, per trasferire contenuti di tipo multimediale si fa riferimento a politiche di compressione al fine di ottimizzare l’enorme…
Upcoming Space Station Contact
An educational radio contact is planned with Ontario Science Centre, Toronto, Canada via telebridge IK1SLD Ground Station located in Casale Monferrato (AL), Italy. The ISS…
PROPAGATION ALERT: Massive High Pressure Over UK
If the guys at the Met Office have their calculations correct it looks like the UK and Europe are set for a very intense area…
