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On 5/9/2014 6:00 AM, Lancair Mailing List wrote:
so for a carbon air frame, seems like your options are to either put it in the tail or stick it out the top of the fuselage?
That would be true for L-IV drivers, but my aircraft is an L-235 with a fiberglass airframe so I can put the antenna on the inside.
I have a friend with the Sheriff's Rescue squad and he told me the 121.5 MHz signal is no longer used by anybody to alert them of a downed aircraft; Rather, the 406 MHz signal is picked up by the SaRSAT and then the closest rescue squad in the area is alerted by the Rescue Coordination Center. That said, the rescue squad on the ground DOES use the 121.5 MHz signal to home in on the wreckage. They carry radio direction finders with a directional Yagi antenna that they can sweep around to point in the direction of the strongest signal.
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