Re: sort o' ot -- maybe some good news on extant dino's and towers

["jrc" <jrccea@bellsouth.net>]

----- Original Message ----- 
From: "jrc" <jrccea@bellsouth.net>
To: <d_ohmes@yahoo.com>
Sent: Friday, March 20, 2009 10:39 AM
Subject: Re: sort o' ot -- maybe some good news on extant dino's and towers


> What would be an acceptable swap-off rate between reduced avian fatalites 
> and increased human fatalities?  Some of these towers stick up a half mile 
> above ground level and many general aviation aircraft cruise lower than 
> that.  Other towers that don't stick up so far, are close enough to 
> airstrips to be above the flight path for landing and taking off.  Would 
> one to one be about right, or should we be prepared to sacrifice more 
> birds than humans?
>
> On a loosely related subject, how should birds be protected from tower guy 
> wires?  At least we pilots know the approximate angle at which the unlit 
> guy wires diverge from the tower.
> JimC
>
> ----- Original Message ----- 
> From: "don ohmes" <d_ohmes@yahoo.com>
> To: <dinosaur@usc.edu>
> Sent: Friday, March 20, 2009 9:08 AM
> Subject: sort o' ot -- maybe some good news on extant dino's and towers
>
>
> > Perhaps adjusting the flash frequency could reduce fatalities even 
> > further...
> >
> > "Communication towers, lights, and birds: successful methods of reducing 
> > the frequency of avian collisions" --