div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentinreader043viewer20220306115adaed6c7f8b9a53618d472dhtml5page1jpg target=_blank img data-url=by-the-down-track-and-cross-track-dimensions-of-the-magnetic-units-constitutinghtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: by the down track and cross track dimensions of the magnetic units constituting the medium The medium may be represented by a brick wall model with bricks representing fixed magnetic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentinreader043viewer20220306115adaed6c7f8b9a53618d472dhtml5thumbnails1jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader043vdocumentinreader043viewer20220306115adaed6c7f8b9a53618d472dhtml5page2jpg target=_blank img data-url=by-the-down-track-and-cross-track-dimensions-of-the-magnetic-units-constitutinghtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: by the down track and cross track dimensions of the magnetic units constituting the medium The medium may be represented by a brick wall model with bricks representing fixed magnetic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentinreader043viewer20220306115adaed6c7f8b9a53618d472dhtml5thumbnails2jpg width=140 height=200 adivdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imagea href=https:reader043vdocumentinreader043viewer20220306115adaed6c7f8b9a53618d472dhtml5page3jpg target=_blank img data-url=by-the-down-track-and-cross-track-dimensions-of-the-magnetic-units-constitutinghtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: by the down track and cross track dimensions of the magnetic units constituting the medium The medium may be represented by a brick wall model with bricks representing fixed magnetic loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentinreader043viewer20220306115adaed6c7f8b9a53618d472dhtml5thumbnails3jpg width=140 height=200 adivdiv