At present, portable receivers generally use ferrite rod antennas for LF and MF (below 2 MHz), and whip antennas for HF (up to 30 MHz). Each type has proved effective in its particular application.

Here's a simple DIY EMC measurement antenna that is adjustable from about 85 to 200 MHz (depending on the telescoping antennas used) and is small enough to throw into your EMC troubleshooting kit. It ...

At present, portable receivers generally use ferrite rod antennas for LF and MF (below 2 MHz), and whip antennas for HF (up to 30 MHz). Each type has proved effective in its particular application.