Equipment HF/6 m power amplifier 2400W MRF1K50H water cooling December 18, 2019 No comments Read more NanoVNA a $50-$70 Ham Radio Antenna Analyzer? December 18,
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Anno: 2019
NEW PRODUCT – CHA SPIDER ASB
The CHA SPIDER ASB is an octagon-shaped Antenna Spoke Base designed to allow mounting of four dipole antennas that use the standard 3/8” x 24
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Review of new SDRplay RSPdx Software-Defined Radio
The SDRplay RSPdx is a single-tuner wideband full featured 14-bit SDR which covers the entire RF spectrum from 1kHz to 2GHz giving up to 10MHz
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Aeroplano Elettrico DIY: come si fa?
Ebbene sì, la conversione di veicoli a motore endotermico non si limita solo alle automobili, alle moto o alle biciclette: gli aerei sono una nuova
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Alimentazione con un tocco
Questo semplice circuito permette di gestire, tramite un timer, la rimozione del collegamento alla batteria di un dispositivo portatile. Il timer sarà comandato attraverso il semplice tocco di un dito,
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New Sunspot?
“It’s been a while since we have had a sunspot to report, however a small new spot likely belonging to Solar Cycle 25 is trying
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HF/6 m power amplifier 2400W MRF1K50H water cooling
News ARRL Lifelong Learning Manager to Keynote Ham Radio University 2020 in January December 18, 2019 No comments ARRL Lifelong Learning Manager Kris Bickell, K1BIC,
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ARRL Lifelong Learning Manager to Keynote Ham Radio University 2020 in January
ARRL Lifelong Learning Manager Kris Bickell, K1BIC, will be the keynote speaker at Ham Radio University 2020 (HRU 2020). The annual event, now in its
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Volunteers Celebrate 98th Anniversary of ARRL Transatlantic Tests at W1AW
A group of radio amateurs gathered on December 11 at W1AW to mark the 98th anniversary of the successful ARRL Transatlantic Tests. On December 11,
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NanoVNA a $50-$70 Ham Radio Antenna Analyzer?
AURSINC Vector Network Analyzer 50KHz -900MHz HF VHF UHF Antenna Analyzer Measuring S Parameters, Voltage Standing Wave Ratio, Phase, Delay, Smith Chart This is a
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ESPertino e IFTTT: pulsantone di emergenza per anziani
In questo articolo proponiamo la realizzazione di un semplice pulsante che potrebbe risultare utile in molte situazioni se non, addirittura, salvare la vita. Si tratta
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The Best PL-259 for Amateur Radio Operators
VHF New release of portable transceiver IC-705 that covers all modes including DV (digital voice) from HF to 430MHz band . December 16, 2019 No
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Day 7 Book Bundle – ARRL
Understanding Your Antenna Analyzer, ARRL Guide to Antenna Tuners, and Care and Feeding of Transmission Lines. Get ALL 3 for Only $50 – SAVE $20.85! To receive both books for $50,
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W6NBC Wins December QST Cover Plaque Award
The winning article for the December 2019 QST Cover Plaque award is “Slot Cube Antenna for 6 Meters” by John Portune, W6NBC. The QST Cover Plaque Award — given
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ARRL Reshapes its Podcast Offerings for 2020
In conjunction with the launch of its new On the Air magazine, which is aimed at those just beginning their journey in amateur radio, ARRL is reconfiguring
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SUNSPOTS BREAK A SPACE AGE RECORD
Above: The blank sun on Dec. 16, 2019. Credit: NASA/Solar Dynamics Observatory “Solar Minimum is becoming very deep indeed. Over the weekend, the sun set
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Auto Elettrica Fai Da Te: SI PUÒ FARE!
Esistono un sacco di modalità differenti per avere un’automobile elettrica. Naturalmente, oltre alle case automobilistiche che si stanno sempre più spingendo verso questo nuovo modello di
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Ferriti: facciamo conoscenza – Le basi
Gli induttori sono i componenti passivi meno usati e certamente meno conosciuti, per varie ragioni, e questo è particolarmente vero per le cosiddette “ferriti”, induttanze costruite con
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Yaesu 857D Discontinued?
Rumour going around that Yaesu have discontinued their 857D. (To be confirmed) It’s been a good workhorse for many an operator. Maybe they have a
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Santa visits kids at a Tampa hospital — via Ham Radio
Author: Eric Glasser Read full article:link Review MFJ 4230 DMP 30A Power Supply with Powerpole connectors December 16, 2019 No comments Read more Choosing Your First
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New release of portable transceiver IC-705 that covers all modes including DV (digital voice) from HF to 430MHz band .
IC-705 Product name / model name Amateur Radio HF / 50/144 / 430MHz IC-705 Suggested retail price 124,800 yen + tax Release date Late March
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MFJ 4230 DMP 30A Power Supply with Powerpole connectors
App – Mobile SmartSDR for iOS v3.4.01 Now Available September 29, 2019 No comments FlexRadio Systems announces the release of SmartSDR for iOS v3.4.01 is
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AmateurLogic 137: Friday 13th Christmas Show
Antenna Tower Rotor XTR36MG @ A71VV November 29, 2019 No comments Read more 90’ MAGNETIC LOOP T3FD TERMINATED FOLDED DIPOLE ANTENNA November 28, 2019 No
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AztechSat-1 CubeSat to Demonstrate Intra-Satellite Communication
The AztechSat-1 CubeSat, which traveled to the International Space Station (ISS) last weekend on the 19th Space-X Commercial Resupply Services (CRS-19) mission for NASA, will listen for
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Vivremo nel software
Io cominciai a lavorare con computer nel 1955. Il Consiglio delle Ricerche mi pagava per riparare il computer FINAC che conteneva molte migliaia di tubi
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