500kHzTx bottom left 706IIG Above that 500kHz Tx uses pair of TV sweep tubes PL519s to give 120watts output, driven by 6AG7 On top of the Tx is a HB DDS driver The receiver is a FT990, on top of that is the 500kHz SWR meter far right is a old 486 notebook used as a keyer, runs in DOS Loading Coil The output from the Tx is routed down to a shed at the bottom of the garden. inside is the variometer loading coil and matching transformer. The current meter is indicating a current of just over 3 amps. Antenna Two wire antenna with spreaders on top of the mast and at the far end. Mast about 45ft high and 28ft high at the house end.