Re: [nfc-l] moonwatch volume

he calls serve some other purpose? Are my assumptions about the height and speed of the birds wrong? Did I mess up the math? -- David Mozurkewich Seabrook, MD -- NFC-L List Info: http://www.NortheastBirding.com/NFC_WELCOME http://www.NortheastBirding.com/NFC_RULES http://www.mail-archive.com/nfc-l@cornell.edu/maillist.html --

Re: [nfc-l] Moonwatch question

direction while other critters have random flight paths. This eliminates most false alarms and is good enough except when the birds are a minority of your detections. -- David Mozurkewich Seabrook, MD USA -- NFC-L List Info: http://www.NortheastBirding.com/NFC_WELCOME http://www.NortheastBi