PJ5/W5JON Sint Eustatius. From DXNews.com
PJ5/W5JON will be active from Sint Eustatius Island, IOTA NA – 145, 26 April – 4 May 2022., PJ5/W5JON Sint Eustatius. From DXNews.com, ,
Visualizing the effect of a low pass filter on harmonics
I thought I’d share this little experiment, I found it quite interesting. Antenna DX Commander Part 2 – HF Vertical November 22, 2021 No comments…
OpenTCP con FUJITSU
Benvenuti a un nuovo appuntamento con la Rubrica Firmware Reload di Elettronica Open Source. In questa Rubrica del blog EOS abbiamo raccolto gli articoli tecnici…
Measuring Balun Ratios
I have been asked how to measure the ratios of a Balun or an Unun. So if you’re someone who has that same question this…
Resonant Frequency of Antennas
“The feedline to an antenna will perform better if the antenna has the same impedance. Jim Heath W6LG uses the RigExpert AA-2000 to measure a…
RX Antenna – I Installed a Loop On Ground (LOG) for Ham Radio
“I have never tried a Loop RX antenna actually on the Ground! So today I tried it out for my Ham Radio station. This is…
Una proposta TI per i convertitori DC-DC
Benvenuti a un nuovo appuntamento con la Rubrica Firmware Reload di Elettronica Open Source. In questa Rubrica del blog EOS abbiamo raccolto gli articoli tecnici…
New London Town LSB CB Radio Net
Video:YouTube/Fred In The Shed A video from ‘Fred In The Shed’ promoting the new London Town LSB Weekly Net which takes place every Monday evening…
USA – CB Radio Skip 28/12/2021
Some brilliant conditions on the CB bands today. I was out mobile and was really pleased to hear so many American stations on AM and…
Criptovalute: possono essere considerate asset finanziari?
Sia le criptovalute che la blockchain hanno rivoluzionato i metodi di pagamento di tutto il mondo e di certo questa tecnologia può essere inserita tra…
Straight Key Night is January 1, 2022 (UTC)
The annual ARRL Straight Key Night (SKN) returns on New Year’s Eve and New Year’s Day, January 1, 0000 – 2359 UTC. Many hams look…
UBA 75 On The Air Event
On the occasion of the 75th anniversary of our UBA, more than 60 stations with the special ON75 prefix will be on the air during…
ICOM ID-52 First Look With Ray Novak
The ICOM ID-52a is out just in time for Christmas. Lets take a look at its many features. Antenna Chameleon Emcomm IIIP Antenna – Antenna,…
Mixer passivi a due canali
Benvenuti a un nuovo appuntamento con la Rubrica Firmware Reload di Elettronica Open Source. In questa Rubrica del blog EOS abbiamo raccolto gli articoli tecnici…
LoRa Devices e LoRaWAN standard per applicazioni di smart environment
LoRa Devices e LoRaWAN standard potenziano le possibilità di gestione delle foreste urbane. I sensori ambientali di precisione di ICT International che sfruttano LoRaWAN consentono…
Le memorie FRAM – a metà strada tra DRAM e FLASH
Benvenuti a un nuovo appuntamento con la Rubrica Firmware Reload di Elettronica Open Source. In questa Rubrica del blog EOS abbiamo raccolto gli articoli tecnici…
A Pair of Christmas Storms Heads for Earth
Informal Solar Storm Forecast 12.23.2021 Antenna MONSTER YAGI FOR 20M December 03, 2015 No comments A 5 element wide spaced yagi for the 20m…
YOTA Contest Final Scores + Next Round 30th December 2021
Press Releaseby International Amateur Radio Union Region 1 – Youth Working Group Erding, Germany – Thursday, 23.12.2021 The second YOTA Contest already took place in…
Rilevamento scheda con NFC e RFID Low-Power
Benvenuti a un nuovo appuntamento con la Rubrica Firmware Reload di Elettronica Open Source. In questa Rubrica del blog EOS abbiamo raccolto gli articoli tecnici…
ICOM ID-52 Overview
ICOM ID-52 Icom has announced details of the ID-52E D-STAR Digital Handheld Transceiver. The ID-52E VHF/UHF dual-band digital transceiver is the latest in a long…
GA-450 Portable Active Small Loop HF Antenna
Loop HF Antenna Here we take a look at the GA450 Active Loop HF Antenna. Overall impression, better than expected! Features:1. The antenna is an…
Una Raccolta di Progetti e Tutorial su Raspberry Pi (2020-2021)
Elettronica Open Source presenta una Raccolta di Progetti e Tutorial realizzati dai nostri Autori ed inerenti il mini computer Raspberry Pi. Gli articoli sono rivolti…
InnovAntennas DXR3-MKII 6 Element Tri-Band Yagi 20/15/10m
DXR3 produced are the MKII version, a 20, 15 and 10 meter HF Yagi with 6 interlaced elements on a short 10.2 ft. (3.1m) boom….
Starting with a Straight Key
“James, has quite a long complicated question but summarize he wants to know if he can start learning morse code with a dual paddle keyer?…
ISS SSTV Transmission Set for Late December
The Amateur Radio on the International Space Station (ARISS) team will support Slow Scan TV (SSTV) transmissions from the International Space Station (ISS), December 26…
