Ex. BBC England EE 9410 1950z 12Feb-1997 455 Program "Newshour" by man NJ-USA
*SIO code for reception of DX radio stations: S(ignal Strength) I(nterference) O(verall merit) 1 = barely audible extreme very poor / inaudible 2 = weak severe poor 3 = fair moderate fair 4 = strong slight good 5 = very strong nil excellent (local quality) The BDXC British DX Club adds a J after the SIO code if jamming is present - e.g. 423j