Author: iz4wnp
Baofeng UV9S Triband HT Power Test
Functions: TRI-BAND TWO WAY RADIO 1. Frequency Range: VHF/UHF136-174Mhz&220-225Mhz&400-520Mhz 2. Dual-Band Display, Tri Freq. Display, Dual-Standby 3. Output Power: 5Watts 4. 128 Channels 5. Built-in…
Virginia Air & Space Center Ends Relationship with Ham Radio
Virginia Air & Space Center (VASC) Executive Director and CEO Robert Griesmer has advised that the Center’s amateur radio station exhibit will be discontinued, effective July 1,…
MARS Announces HF Skills Exercise
Members of the Military Auxiliary Radio System (MARS) will conduct an HF skills exercise July 20 – 24 to hone their operating skills and messaging-handling…
Come ottenere il routing automatico PCB in modo efficiente
In questo articolo verranno analizzati i criteri progettuali per un corretto design dei PCB. Al giorno d’oggi, infatti, i circuiti operano a livelli elevati di…
A Snake-like Filament Hangs While A Solar Storm Launches
Recent Posts A Snake-like Filament Hangs While A Solar Storm Launches June 25, 2020 No comments Read more Ham Radio Tower, US Tower MA40, Installation…
Ham Radio Tower, US Tower MA40, Installation in Process by Jim Heath W6LG, Your YouTube Elmer
Jim W6LG your YouTube Elmer shows the progress on the MA40 Tower Installation that will be limited to 30 feet above the terrain as allowed…
SAQ Announces Annual Alexanderson Day Transmission
The vintage SAQ Alexanderson alternator in Grimeton, Sweden, will conduct its annual Alexanderson Day transmissions on 17.2 kHz on Sunday, July 5. Startup and tuning…
Radio Amateur’s Call for Help Relayed from across the Atlantic
When Richard Tashner, N2EO, of Massapequa, New York, suffered a medical emergency on May 18, his DMR radio was closer than his phone. His call…
Display LCD in applicazioni a basso costo
Ci soffermiamo in questo articolo su un approfondimento della tecnologia DirectDrive di Renesas per la gestione di display LCD con micro di fascia bassa. I progressi tecnologici, da un…
JX0X Jan Mayen. From DXNews.com
JX0X Team planning to be active from Jan Mayen Island, IOTA EU – 022, September – October 2021., JX0X Jan Mayen. From DXNews.com, ,
MFJ-868B Giant SWR/Wattmeter
MFJ touts the MFJ-868B Giant SWR/Wattmeter as the World’s Largest HF SWR/Wattmeter. The MFJ-868B measures peak, average forward and reflected power and SWR It operates…
ARRL to Hold National Convention at Orlando HamCation in February 2021
ARRL has announced that Orlando HamCation® will host the 2021 ARRL National Convention in Orlando, Florida, February 11 – 14. The convention will mark the 75th anniversary of…
Balloon Launched by Popular Web Show Host Completes Second Round Trip
A balloon launched on May 20 by “Amateur Radio Roundtable” web show host Tom Medlin, W5KUB, and team has begun its third circumnavigation of Earth. The balloon,…
ARRL Seeks Vintage DX Logs for Archive
ARRL continues to solicit paper logs of prominent DXpeditions or logs from stations and operators active from more rare locations from the 1950s through the…
VHF propagation video released [ RSGB ]
Steve Nichols, G0KYA – Chair of the RSGB Propagation Studies Committee – narrates this presentation about VHF propagation. The presentation was written by John Worsnop,…
I benefici dei moduli di potenza e le proposte di Renesas Electronics
I sistemi di alimentazione odierni per le infrastrutture di comunicazione e informatiche devono supportare elevati carichi di corrente a causa di FPGA, ASIC e microprocessori…
PMR446 Long Distance Records
With the recent increase in activity on the PMR446 band here in the UK I wonder if it’s time to revisit the idea of ‘PMR446…
EchoHam version v2.10 has been released
EchoHam allows Amateur Radio operators to use the Echolink network from their Mac. You must be a licensed Amateur Radio operator to use this software. Echoham,…
WSJT-X 2.2.2 released
The WSJT Development Group is pleased to announce the general availability (GA) release of WSJT-X Version 2.2.2. A brief summary of new features is provided…
Moonraker GPA-RX HF Antenna 2 – 90 Mhz
Key Features/Specifications: Type: Aluminium Vertical with Unun matched base Frequency RX: 2.0-90MHz Impedance: 50 Ohms Base connection: SO239 Length: 6m Mast size: 25-42mm https://www.moonraker.eu/ Review How To Decode Maritime Distress Messages…
How To Decode Maritime Distress Messages GMDSS DSC
Antenna Moonraker GPA-RX HF Antenna 2 – 90 Mhz June 23, 2020 No comments Key Features/Specifications: Type: Aluminium Vertical with Unun matched base Frequency RX: 2.0-90MHz Impedance: 50…
Erecting the EFHW-8010 End-fed Half Wave Antenna and Initial Testing
EFHW-8010 Multiband End Fed Half Wave Antenna 130 Feet (39.6m) long NO TUNER needed! Perfect for ALE HFLink, ARES, EMCOM … Resonant on 80/40/30/20/17/15/12/10m 1kW-ICAS…
Il Nuovo Sistema di Controllo Operativo GPS Satellitare OCX
Nel mondo iperconnesso di oggi, dove quasi tutto può essere visto come un nodo su qualche rete, è essenziale poter condividere le informazioni con chiunque…
Antenna Design and Measurement Software
AnTune software assists in designing antennas and RF impedance networks. Their software runs on PC/Windows and can communicate with a Vector Network Analyzer over GPIB/USB/LAN…