HAM Radio on CNN
Amateur radio role during of Emergency relief operations on Haiti
New RF Power Transistor outputs 1.5 kW
This is from the latest electronic design e-mail newsletter: RF Power Transistor Packs 1.5 kW. Chiseled for UHF pulsed radar applications, the Model 0405SC-1500M RF power transistor exploits state-of-the-art SiC technology to provide 1,500W of peak power in a compact single-ended package that replaces push-pull balun circuitry found in conventional silicon BJT or LDMOS designs.…
"SunSDR" Project
По сообщению RW3PS в декабре 2009 группа энтузиастов из Таганрога заявила о создании проекта SunSDR трансивера и соответствующего программного обеспечения. Новость с интересом обсуждается на форуме сайта CQHAM.RU
Sending signals to the Moon by K1JT
Source: ARRL Sending Amateur Radio signals to the Moon and back has never been easy. After roundtrip journeys of nearly half a million miles, even the most powerful signals generated by hams are exquisitely weak on arrival. Because of the equipment and expertise necessary for successful “moonbounce” operating, this facet of Amateur Radio has been…