Author: iz4wnp
Hurricane Delta Prompts Activations of Hurricane Watch Net, WX4NHC, SATERN
The Hurricane Watch Net (HWN), WX4NHC at the National Hurricane Center (NHC), and The Salvation Army’s SATERN have announced activations for Hurricane Delta, the latest Atlantic storm. The HWN…
Tutti i colori dell’astrofotografia digitale
In questo articolo tratteremo i principi base della fotografia digitale; prima di cominciare a lavorare sulle immagini è necessario conoscere alcune nozioni fondamentali delle immagini…
NP4Z Puerto Rico. From DXNews.com
Felipe Hernandez, NP4Z will be active from Puerto Rico, IOTA NA – 099, in CQ WW DX SSB Contest, 24 – 25 October 2020., NP4Z…
Two More Astronauts Earn Amateur Radio Licenses
Although the lockdown of Johnson Space Center (JSC) postponed amateur radio training and licensing over the past 7 months, NASA ISS Ham Project Coordinator Kenneth…
A Bright Region Leaves & Solar Storm Wanes with a Mini-Storm Kiss | Solar Storm Forecast 10.06.2020
Antenna Introducing the SteppOut Vertical High-performance 1/4-wave HF Antenna From 14 to 30 Mhz By Bill, AA4BQ August 05, 2015 No comments From price to…
L’innovativa piattaforma Cloud MQTT di Seeweb per l’IoT
L’Internet of Things (IoT), ovvero la rete di dispositivi fisici, che garantisce agli oggetti interconnessione e interscambio di dati, è già realtà tangibile e sta…
ARISS to Celebrate 20 Years of Ham Radio on the International Space Station
Amateur Radio on the International Space Station (ARISS) will soon celebrate 20 years of continuous ham radio operations on the International Space Station (ISS). NASA…
ARRL National Convention and Orlando Hamcation® Postponed to February 2022
ARRL and the Orlando Amateur Radio Club (OARC) have announced that the ARRL National Convention and Orlando HamCation® — which was to host the convention —…
Portable RTL – SDR Software Defined Radio with Android
Portable RTL – SDR Software Defined Radio with Android Antenna Which connector for my antenna should I get? SO-239 or N Female September 03, 2017…
Revised IARU Region 2 Band Plan Now Available
The 2020 revision of the IARU R2 Band Plan is now available at https://www.iaru-r2.org/en/reference/band-plans/. This includes the change approved at the General Assembly meetings in Lima in October 2019…
Reti di controllo aperte
I continui progressi tecnologici hanno determinato un progressivo abbandono dei sistemi di controllo centralizzato a favore di quelli distribuiti. Nel primo caso, una rete di sensori…
Video VK0HI VK0CW Heard Island. From DXNews.com
Video VK0HI VK0CW Hear Island 1983 DX Pedition., Video VK0HI VK0CW Heard Island. From DXNews.com, ,
9G5FI Ghana. From DXNews.com
Thomas, DL2RMC is currently active as 9G5FI from Ghana., 9G5FI Ghana. From DXNews.com, ,
Icom IC 705 10 Features in 10 Minutes
Icom IC 705 10 Features in 10 Minutes Antenna Log Periodic Antennas – “ARRL The Doctor is In” podcast. Listen…and learn! January 03, 2019 No…
King Vajiralongkorn receives ham radio callsign HS10A
NBTC and RAST presented the amateur radio callsign HS10A to His Majesty King Vajiralongkorn and provided equipment at a ceremony in the Dusit Palace, Bangkok Thailand’s…
Progettare custodie stampate in 3D per PCB
Molti di voi già conosceranno la suite KiCad, il potente software open source utilizzato dai progettisti elettronici e dai makers per il design degli schemi…
NanoVNA comparison measuring a duplexer – NanoVNA-H4 and SAA-2N
“Is the NanoVNA suitable to measure/adjust a typical antenna duplexer? This video compares the NanoVNA-H4 and the SAA-2N VNAs with a professional VNA (Tektronix TTR506A)….
ISS SSTV October 4-8 on 145.800 MHz FM
An ARISS Slow Scan TV (SSTV) event is scheduled from the International Space Station (ISS) for October 4-8 The event is scheduled to begin on October…
Criteri per la progettazione dei led driver
I diodi a emissione luminosa (LED) sono componenti optoelettronici allo stato solido la cui diffusione è in continua crescita. Pur presentando caratteristiche superiori rispetto ai…
VQ9T Diego Garcia Island Chagos Islands. From DXNews.com
Bob will be active as VQ9T from Diego Garcia Island, IOTA AF – 006, Chagos Islands, (not VQ9ET as announced earlier)., VQ9T Diego Garcia Island…
Video EF8R CQ WW DX CW 2019. From DXNews.com
Video about Magic Mountain EF8R – Winner of the CQ WW CW 2019 Multi Multi., Video EF8R CQ WW DX CW 2019. From DXNews.com, ,
Architettura LoRaWAN
LoRaWAN è una rete con struttura stella di stelle (star of stars topology) senza capacità di instradamento fra i nodi. Il gateway è il centro…
Firmware 2.0 #07 – Test & Measurements
E’ uscito il nuovo numero della rivista tecnica Firmware 2.0. Il focus di questo mese è dedicato al settore Test & Measurements/Makers Laboratory. All’interno troverete…
Lab599 Discovery TX-500 HF 6m
“Hello Operators. In todays video we take the Lab599 Discovery TX-500 QRP Ham Radio to the field for an off grid review of this new…
Get Ready for the 15th Annual ARRL Online Auction!
The 15th Annual ARRL Online Auction will open for an “early bird” preview and registration on Thursday, October 8, and will open for bidding at 10 AM…
