KP-2/6M Pre-amplifier,6-meter mast-mount, 50-52 MHz
Mirage
CONSULTE
Mirage
Yaesu Standard Horizon
MFJ
Icom
Yaesu Standard Horizon
MFJ
MFJ
MFJ
MFJ
MFJ
Hy-Gain
Hy-Gain
MFJ
Tarheel
MFJ
MFJ
Ameritron
Andrew
Shakespeare
LDG Electronics (EUA)