Currently hearing MALLARD-1 flight of 4 unk a/c on approach to KBKF, no a/a freqs found for these biys... they just cleared the weather at 8000', working KDEN APPR 251.075 -- Brad - NP4AI - nr Denver/KAPA/KBKF http://shellacshanty.blogspot.com http://moodietoonz.blogspot.com http://audioddities.blogspot.com http://thereel.blogspot.com