Ham Radio - The Malahit DSP portable SDR receiver.
2021年4月12日 · I’m on Long Island, and often listen to KDKA in Pittsburgh to fall asleep, about half the time it’s very noisy on the tecsun with only built in antenna. How would this receiver compare to that? K2STP , Apr 14, 2021
Fessenden: King of the Radio Waves - QRZ Forums
2006年12月24日 · "And in 1920 KDKA, owned by Westinghouse, aired the first commercial broadcast." Naturally, Edison couldn't come up with a generator capable of supplying the plate voltage while a Westinghouse transformer took it in stride. As for the music, Emile Berliner's turntables made it all possible, Edison's cylinders proved impossible to back-cue.
Special Event Station W7Y 2/19-20/2022 to commemorate the …
2022年2月19日 · On June 3rd, 1923, WGY participated in AT&T’s second network test, which linked WEAF to WGY, to KDKA in Pittsburgh, and to KYW in Chicago. The Radio Corporation of America responded by developing a network operation centered on its New York City station, WJZ, now WABC, and in December 1923 made its first test network connection with a hookup ...
The QRZ LOG BOOK IS FREE | Page 2 | QRZ Forums
2024年2月28日 · PITTSBURGH (KDKA) - The view of the city and the bridges, the food, the architecture, and yes, the baseball have all once again put PNC Park atop another ranking of the best ballparks in the country.
Florida Amateur Two-Meter User Survey | Page 2 | QRZ Forums
2023年1月11日 · One of the oldest clubs in the country is the BVARA - Beaver Valley Amateur Radio Association - think KDKA, it started out with mostly all engineers from the steel mills and the glass plants - trade and technical people. All these clubs wishes that they had more members, but none of these clubs promotes amateur radio in a positive light.