Possible Clues:

• What's outlined arbitrarily around origin in Greenwich?
• Degree from Greenwich Uni old get, amazingly
• Led outing in the wild — this helps define our position
• It's all in line from pole to pole
• Position assumed by Miss Sobel
• Outing led astray? Find this on a map
• Cook departs, out! Good line and curve
• Location marker on map to indulge criminal?
• Soldier on duty for the most part kept back in solitary - it's a position the naval commander might be looking for
• What meridians mark