Anno: 2021

Over the past 18 month a proposal for an IARU HF Digital Mode reorganization has been undertaken by representatives of all three IARU Regions IARU-R1…

Dave, KO4DLQ, lives in Florida and has to deal with mass amounts of lightning. Dave can relate having served there for several years when he…

Brent, KI5HXM, has a question relating to RF exposure in a mobile environment. Dave wants to show a cool online tool to helps know the…

Questo articolo della Rubrica Firmware Reload di Elettronica Open Source esamina il caso di un sensore a tocco che risente dell’influenza dei LED e di…

Here we have a couple of interesting videos from Knoxieman on YouTube featuring the President Randy 3 CB Radio handheld. 

OMRON ha rilasciato nuove versioni ad alta tensione e alta corrente dei suoi innovativi moduli relè MOSFET in configurazione a T. I moduli T di…

JT1CO will be active as JT5DX from Mongolia in CQ WW DX RTTY Contest, 25 – 26 September 2021., JT5DX Mongolia. From DXNews.com, ,

Farnell, una società del Gruppo Avnet e fornitore globale di componenti elettronici, prodotti e soluzioni, distribuisce le rivoluzionarie schede di sviluppo Arduino Nano RP2040 Connect…

Often on the HF bands, we find that the quoted antenna frequency bandwidth is not wide enough to cover the whole band. This can be…

Qualsiasi bravo progettista è consapevole che nei progetti innovativi le idee geniali da sole non bastano per raggiungere il successo. È necessario, infatti, circondarsi di…

ARRL and the Radio Society of Great Britain will jointly sponsor events to celebrate the achievement of transatlantic communications by radio amateurs 100 years ago….

Dave has recently been sent a handheld radio from Radioddity. Let the unboxing begin! 10W/5W/2.5W/1W Selectable: The Radioddity GD-AT10G is a powerful handheld radio with a…

In this video we take a look at a new and upcoming SDR Application called SDR ++ Wide hardware support (both through SoapySDR and dedicated…

Arduino Nano RP2040 Connect è la prima scheda della famiglia Arduino che integra il potente chip in silicio RP2040 di casa Raspberry Pi. Molti di…

OX7A Team will be active from Greenland, IOTA NA – 018, in CQ WW DX SSB Contest, 30 – 31 October 2021., OX7A OX7AM OX7AKT…

Space Weather News 09.22.2021 Antenna How High Should a Dipole Be? A Look at Antenna Modeling October 05, 2017 No comments “How high should a…

The International Amateur Radio Union (IARU) Region 1 Monitoring System (IARUMS) August newsletter reports that Radio France International was active daily between 2100 and 2200 UTC on 7205…

Robert, KG5BJF, is getting ready to set up his station and his question is “How do you determine which lightning arresters are the correct ones…

The FALCON OUT-250B is a Short Wave Multiband Vertical antenna (WARC incl.) with flat SWR across the bands. In this video I assemble, install, test,…

Molti dati sono passati sotto i ponti da quando Bosh registrò le specifiche tecniche del CAN bus (Controller Area Network) nel lontano 1986, e da…

Special guest Dr. Scott McIntosh explains why sunspot cycle 25 will be big Antenna Comparing Elevated 1/4w Vertical vs. Link Dipole with WSPR December 19,…

The Chameleon Tactical Delta Loop covers 80 meters through 6 meters. and will handle 100 watts on SSB and 50 watts CW/Digital. Its a great…

Brand new from Yaesu is the FT5D Dual Band Fusion Handheld Ham Radio. Let’s take a look at this brand new HT and compare it…

Kenneth, WB3JFR, encouraged this question. Do you need to use a counterpoise just because its “End Fed”? Antenna MonoBeam HF Multibander MB16 10-15-20 December 26,…

The Premier Morse Translator/Transceiver Tired of trying to learn Morse code? Searching for a state-of-the-art decoder/encoder companion for your station that keeps right on working…