Author: iz4wnp

Many Sunspots Emerge & A Big Filament Snakes | Solar Storm Forecast 08.15.2021 Antenna Introducing the World’s longest 50MHz/70MHz Dual Bander? August 17, 2018 No…

Nuovo appuntamento con la Rubrica Firmware Reload di Elettronica Open Source. Allo scopo di supportare i propri prodotti e di ridurre il time to market,…

Video 5I3B 5I3W Zanzibar Island, IOTA AF – 032, Tanzania. EA3WL EA3BT. From Jordi Codina, EA3HSL., Video 5I3B 5I3W Zanzibar. From DXNews.com, ,

Modernization of multi-kilowatt RF communication and data transmission systems is pushing the requirements of what traditional vacuum electron devices and solid state semiconductor technology can…

Joe, Wb2ZDB, asks Hey Dave, In your “An Unusual Jpole Antenna” episode uou said something about having gotten a Coax Coupler from MFJ, have you…

C-Power è un pioniere nello sfruttamento efficiente dell’energia delle onde oceaniche per consentire nuove forme di applicazioni offshore. I sistemi di alimentazione offshore autonomi di…

In questo nuovo articolo della Rubrica Firmware Reload analizziamo alcuni accorgimenti per portare senza problemi la propria applicazione sui micro MSP430x5xxx di TI. Introduzione MSP430…

The August 2021 CADXA program was "3Y0Z – The Good, The Bad, & The Ugly" by Glenn Johnson, W0GJ., Video 3Y0Z Bouvet Island The Good,…

Tad Cook, K7RA, Seattle, reports: Solar activity continues to be very weak, and the latest 45-day outlook seems to indicate more of the same ahead. Sunspots…

NanoVNA-F_V2 is a new generation of portable, stand-alone vector network analyser with 4.3″ IPS LCD screen, metal enclosure, 5000mAh rechargeable battery (continuous operation for 7…

10W/5W/2.5W/1W Selectable: The Radioddity GD-AT10G is a powerful handheld radio with a compact design, featuring selectable output power of 10W/5W/2.5W/1W and plenty of room for up…

The DB25-D is an interesting DMR radio. It is more powerful than a hand held radio and only partially bigger, but you don’t get to…

Benvenuti a un nuovo appuntamento con la Rubrica Firmware Reload di Elettronica Open Source. In questo articolo analizzeremo alcuni accorgimenti per una scheda che funzioni…

The DXCC Department has approved the following operations, DXCC Approved. From DXNews.com, ,

In questo articolo della Rubrica Firmware Reload vogliamo fornire alcune linee guida per iniziare a progettare con i microcontrollori Tiva serie C di Texas Instruments….

Nuria, EA3WL and Josep, EA3BT will be active as 5I3B and 5I3W from Zanzibar Island, IOTA AF – 032, Tanzania, 13 – 26 August 2021.,…

Sweden’s AMSAT-SM has released a short video showing communications via the amateur radio satellite AO-73 (FunCube-1) using the popular digital mode FT4. This is a short video…

Parallel planning is under way by three entities for DXpeditions to Bouvet Island in 2021, 2022, and 2023. The remote volcanic, glacial sub-Antarctic island in…

Here how to convert your existing homebrew radio into a full-fledged SDR for less than$100. The idea of hybrid architecture was first implemented in this…

Il paradigma del cloud computing ha permesso a chiunque di ottenere risorse computazionali praticamente illimitate in termini sia di memoria, sia di capacità di elaborazione….

  Thanks to Colin, 108DD001, who has passed on information regarding the Delta Delta DX Group Nets which take place every week on Wednesday, Saturday…

Jean Philippe, F1TMY will be active as 3X2021 from Guinea., 3X2021 Guinea. From DXNews.com, ,

Bimini DXpedition is returning to Bimini, Bahamas, October 25 through November 4, 2021, led by Richard Visman, C6AHB, NN2T., C6AHB Bimini Islands Returning. From DXNews.com,…

Le Restricted Boltzmann Machines (RBMs) costituiscono una classe di reti neurali per l’apprendimento non supervisionato con applicazioni che vanno dalla classificazione alla ricostruzione dello stato…

  Two new fakebook groups have sprung up to offer discussion regarding the upcoming legalisation of Frequency Modulation on CB radio in the United States. …