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This paper describes an application of the ORBCOMM satellite system for helping pleasure-boat sailors to navigate. The IntraCoastal Satellite Communication System (ICSCS) is an improvement on the well established ChartPlotter made by Geonav 11E Navionix for bidirectional coastal communication. By using a terminal of the ORBCOMM system, ICSCS allows the(More)
Experiments were performed to test whether melatonin plays a role in sun-compass orientation of homing pigeons. Birds were kept for a period of time in dim continuous light (LL) or in artificial light-dark (LD) cycles and then released under the sun from unfamiliar sites. Control birds in dim LL were oriented homeward in all cases. Birds with melatonin(More)
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