Belar Shielded Loop Antennas are recommended when excessive electrical interference exists, or in the presence of an interfering station.
The basic design of a loop receiving antenna reduces electrostatic noise, and by using the natural directional receiving pattern, off-axis interference from other stations can be minimized by rotating the antenna.
The LP-1 is the basic loop antenna, and is tuned in bands--please specify the receiving frequency. The LP-1A adds an internal amplifier, and is more sharply tuned--frequency is required.