Author: iz4wnp
IARU: è importante l’opinione di tutti
IARU R-1 sta preparando un Workshop che riguarda lo status della radio nell’ottica di costruire il suo futuro in un mondo che cambia. Di seguito…
First Antenna Questions
Laurent Egli, soon to be HB9***, has some questions about what antenna would be a good first antenna for her. Antenna 20′ DX Flagpole Antenna…
The VP2VB Danny Weil Memorial DXpedition is JIDXM 2020 DXpedition of the Year
The Japan International DX Meeting (JIDXM) has designated the 2020 VP2VB Danny Weil Memorial DXpedition as the recipient of the 2020 DXpedition of the Year…
Over 50 km on 481 THz! Great news from SP
On May 8, 2021, the group of Polish radio amateurs: Marek SP4ELF, Jurek SP2GUB, Adam SQ2DOL, Piotr SQ4MIK, and Jarek SQ4IOB realized optical communication (481…
Raspberry Pi vs Orange Pi vs Banana Pi: chi è meglio?
Raspberry Pi vs Orange Pi vs Banana Pi: chi è meglio? Il confronto fra le tre principali “schede” non è così scontato, al contrario. In…
R&S®M3SR Series4100 Software Defined Radios
Key facts Frequency range: 1.5 MHz to 30 MHz (transmission), 10 kHz to 30 MHz (reception) Power classes of 150 W, 500 W, 1000 W and standalone receiver LINK‑11, LINK‑22, LINK‑Y support…
“Geomagnetic Storm Season” is Over
June and July bring frequent 6-meter DX openings via long-distance sporadic-E propagation and persistent quiet geomagnetic conditions. These 2 months are well known to North…
Comparing the lab599 Discovery TX-500 with the Elecraft KX2. Which one should you choose?
Comparing the lab599 Discovery TX-500 with the Elecraft KX2. Which one should you choose? Antenna Status QUAD: 4/12 StQ 50/144 , cubic 4 elements 50…
The last Morse code maritime radio station in North America | Bartell’s Backroads
1999 marked the last time a commercial Morse code message was supposedly transmitted to ships at sea. However, if you travel on the backroads to…
60 Meters Again Available to New Zealand Radio Amateurs
The New Zealand Association of Radio Transmitters (NZART) announced recently that negotiations with regulator RSM were successful in accommodating 60-meter operation for New Zealand radio…
I primi elaboratori elettronici italiani: gli albori dell’informatica italiana.
Premessa È importante ricordare come l’Italia ha iniziato il suo percorso nell’uso e nella realizzazione dei primi elaboratori elettronici. In merito non mancano libri e…
PETER 1 3Y0X la storia ..2006
Cari Dxers, in questo tempo di estrema povertà di spedizioni, recentemente l’INDEXA (International DX Association) nel suo bollettino primaverile ha pubblicato un reportage sulla spedizione…
Prototipazione rapida con il Grove Beginner Kit
In questo articolo ho il piacere di parlarvi di uno dei più attraenti kit Arduino per principianti, il Grove Beginner Kit di Seeed Studio. Un…
Workshop for Attorneys Under Consideration for 2022 ARRL National Convention in Orlando
The Amateur Radio Legal Defense and Assistance Committee (ARLDAC) is considering hosting a half-day workshop for attorneys at the ARRL 2022 National Convention in Orlando….
Tri-band 6 element HF Upper Bands and CB Radio Yagi Antenna 3B-222
HF 3-Band antenna 3B-222 for 20m, 15m and 10m that covers also 11m CB through the power of full 3-D optimization! Perfect optimized tri-bander with…
RETEVIS Finger PTT Motorcycle Helmet Microphone
“Because this is the only thing that makes it possible to talk to other riders over an intercom and talking over the phone without stopping…
Radio Set up on a Pickup Truck
James Hollen, D25Y31, has a radio and antenna set up in the bed of his pickup truck and wants to know if his truck will…
TN07 SFP-102 32′ Flagpole HF Ham Radio Antenna for POTA
“One of the Ham Radio Antennas that I have used most often for POTA – Parks on the Air – is the TN07 SFP-102 32′…
Lunghezza elementi (e taratura) Spiderbeam 5 bande HD
Causa ritardo nella preparazione del supporto per il traliccio carellato ho pensato di installare un’antenna 5 bande provvisoria per tirar avanti un pò di mesi;…
L’elettrificazione dei trasporti commerciali e per l’industria
L’attenzione per l’ambiente non è più ormai solo uno slogan per pochi attivisti. Da tempo si cercano alternative più pulite e silenziose ai tradizionali motori…
Big Flares Return with Solar Storms Headed for Earth & Mars
Big Flares Return with Solar Storms Headed for Earth & Mars Antenna MAX6 -Antenna Analyzers December 03, 2015 No comments Antenna Analyzers MAX6 antenna…
OpenWebRX 1.0.0 released!
Hello radio enthusiasts, today we’d like to announce the release of the next version of OpenWebRX, your SDR web server that just got a little…
His Majesty The King of Spain Contest Rules
Sponsored by: Unión de Radioaficionados Españoles (URE). To participate in this contest, the specific bases of the competition must be complied with, as well as the General…
URE satellite telecommand station automated
Spain’s national amateur radio society URE has announced their satellite ground station has been automated and is ready for the launch of GENESIS, EASAT-2 and Hades satellites….
STARWAVES DRM SoftRadio App for Android now available!
The STARWAVES DRM SoftRadio allows you to conveniently enjoy any DRM live radio broadcast on your Android smartphone or tablet. No Internet connection required. All…
