Simple Ham Radio Antennas

HF Active Loop Antenna | Southgate Amateur Radio News : This page is brought to you in association with The Southgate Amateur Radio Club News and AMSAT - UK . Source:  http://www.southgatearc.org/news/2015/july/hr_active_loop_antenna.htm. Page last updated on: Thursday, July 30, 2015 HF Active Loop Antenna. Cross Country Wireless have released a HF Active Loop Antenna with a frequency range of 200 kHz to 70 MHz with extended coverage up to 148 MHz. The antenna can be for all LF, MW and HF professional monitoring and short wave listening. It can also be used for VHF FM reception and will give useful VHF airband reception when mounted outdoors. The antenna is a triangular loop antenna 1.3m (51") wide with a built-in low noise high dynamic range RF amplifier. A base unit allows 12V power to be fed up an ethernet cable feeder to the antenna. The antenna current consumption is 150 mA . The base unit also has a two way splitter to provide two separate RF outputs. Lo