Author: iz4wnp

Assembled a prototype of Geckokapula V2 a dualband 70cm/13cm handheld FM/CW radio. It also does AM and SSB reception in addition to FM and CW….

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…

ANS-180 AMSAT News Service Weekly Bulletins for June 28th The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT, The…

Smartglove è un dispositivo indossabile che aiuta i ciclisti durante la guida e può offrire un aiuto importante soprattutto di notte. I ciclisti condividono la…

Video:YouTube/Paul McGee M0WNU Paul takes a look at the Thunderpole T-800 radio…..

Video:YouTube/Jason CT965 A very interesting video from Jason CT965 which shows the construction of a PMR446 Bazooka antenna.  PMR446 has seen a massive increase in…

The digital edition of the July/August issue of the National Contest Journal (NCJ) is now available for viewing on your desktop or laptop. Click here to go the ARRL…

Il mondo è regolato da formule matematiche che ne descrivono tutti gli eventi che si verificano su di esso. Anche la corsa di un uomo…

Uwe, DL8UD will be active as TO5O from Martinique Island, IOTA NA – 107 in RSGB IOTA Contest, 25 – 26 July 2020., TO5O FM/DL8UD…

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 (VASC) Executive Director and CEO Robert Griesmer has advised that the Center’s amateur radio station exhibit will be discontinued, effective July 1,…

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…

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…

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…

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…

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…

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…

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 Team planning to be active from Jan Mayen Island, IOTA EU – 022, September – October 2021., JX0X Jan Mayen. From DXNews.com, ,

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 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…

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 continues to solicit paper logs of prominent DXpeditions or logs from stations and operators active from more rare locations from the 1950s through the…

Steve Nichols, G0KYA – Chair of the RSGB Propagation Studies Committee – narrates this presentation about VHF propagation. The presentation was written by John Worsnop,…

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…