Measuring the performance of antennas in absolute terms that can involve a lot of expensive equipment and specialized facilities. For practical applications, especially when building antennas, ...
The National Institute of Information and Communications Technology (NICT, President: TOKUDA Hideyuki, Ph.D.), in collaboration with Electronic Navigation Research Institute, National Institute of ...
Radio World toured VOA’s Greenville, N.C., facility recently. Photos from our visit are shown here. Few would dispute that there has been a marked decline in shortwave broadcasting listenership since ...
The Delano station as it existed in the early 1990s. The large satellite dishes provided sharp contrast to the acres and acres of “curtains” and other HF antennas. Delano, the last remaining Voice of ...
This simple little circuit can be used for AM, FM, and Shortwave(SW). On the shortwave band this active antenna is comparable to a 20 to 30 foot wire antenna. It is further more designed to be used on ...
6 Best HF Antennas for 2025 to Boost Your Ham Radio Signal Anywhere Links to the best HF Antennas are listed down below: 6. Moonraker Ltd GPA-80 5. DX Engineering XB-5 Hexx Beam HF Antenna 4. Foul ...
Vatican Radio agreed Wednesday to reduce some shortwave transmissions to comply with tough Italian environmental regulations. Negotiations on medium-wave broadcasts are continuing. The station is ...
WASHINGTON (Army News Service, Sept. 30, 2014) -- Volunteers from MARS are helping the Army improve its communications capabilities. They aren't little green Martians from science fiction novels, ...
This circuit shows an active antenna that can be used for AM, FM, and shortwave (SW). On the shortwave band this active antenna is comparable to a 20 to 30 foot wire antenna. This circuit is designed ...
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