
MFJ-306 World Band Explorer Instruction Manual
1
MFJ World Band Explorer
Model MFJ-306
Thank you for purchasing the MFJ-306 World Band Explorer. The MFJ-306 converts your AM
or AM/FM car radio into a World Band shortwave receiver that covers the entire 19, 25, 31, and
49 meter international shortwave broadcast bands. The MFJ-306 is designed to operate with any
AM or AM/FM car radio including the newer digital radios. This converter will add a new
dimension of shortwave listening pleasure to your AM radio.
Installation
Install the included mounting brackets on the converter as shown in Figure 1. Mount the
converter close to your cars radio in any convenient location.
Unplug the antenna cable from your car radio and plug it into the input (female) antenna
connector on the converter. Plug the output (male) connector from the converter into the car
radio antenna jack.
Connect the black ground wire from the converter to any convenient metal that is connected to
the frame of the car. Connect the red power wire to a fused 12 Volt DC source such as the
cigarette lighter socket or the fuse block.
Operation
After properly mounting and installing the converter, you are ready tune into the world. First
turn the converter off by pressing the red button out then turn your AM radio on. You should
have normal operation of your radio while on AM or FM. With the power off the converter is
automatically bypassed and the antenna is connected directly to your car radio.