HF3 has the power supply for the HF antenna built in since 2005 (Red label on back of radio chassis).
If you want to use the antenna for another receiver you will need this power adaptor to provide 12V.
50 millivolt 200 Amp shunt for Clipper BM-2 and BM-2 Compact
Spare log impellor unit with 7 metre cable
Spare gas sense element for gas sensor
Spare complete log impellor unit with skin fitting and 7 metre cable
Spare EX1 sensor with cable and high temperature ties
Mounting bracket for 25mm horizontal rail
to suit Series 2 Navtex, Weatherman, Navtex 518Khz and HF antennae.
Spare Target Depth display unit
Spare cable to connect the AIS Plotter/Radar to GPS