magnetic chart

magnetic chart

[mag′ned·ik ′chärt]
(navigation)
A chart showing the distribution of one of the magnetic elements, as by isogonic lines, or of its secular change.

magnetic chart

A chart showing the distribution of one of the magnetic elements, such as by isogonic lines. Also called an isogonic chart. See isogonic lines.
References in periodicals archive ?
If there was a day I pushed the cart into the room and seating was rearranged, I was able to view the magnetic chart right away and find those faces.
They created a healthy lifestyle game targeted at families with rules, recipes, and pedometers, as well as a magnetic chart to mark progress.
uk GOOD "We preferred the bigger version of the magnetic chart simply because it is easier for a child to use, particularly as Grace is learning to read, so she found the bigger text easier.
uk, 0870 6007878) This magnetic chart helps you monitor kids' eating habits and reward them when they eat fruit and veg.
For the rest of his life he was probably best known for his magnetic charts.
But detailed magnetic charts show no usable information, because there are variations in local magnetic fields," Moore says.