Jupiter, as observed at long radio waves, the decametric radio emissions of Jupiter

The prese nt state of knowledge of th e deca metric radio emissions of Jupiter is reviewed. Th eori es of th e radiation are di sc ussed and their implication s co nce rnin g th e ge neral e nvironment of Jupiter and th e prope rti es of the Jupite r magne tos ph e re are examined. Th e surv ey reveals th e need for more observations a nd additional work on th e th eor y.