[BC] vaporizing birds

[Phil Alexander]

On 29 Sep 2006 at 19:21, Gary Glaenzer wrote:


> Regarding XEROK  :  "The transmission feed was 'open line'. 150,000 watts
> would flow and hum across the cables connection the antenna to the
> transmitter. Birds would land on the line and in a flash they would be
> vaporized - only a handful of feathers would float to the ground. "
> 
> ref:  http://www.reelradio.com/km/index.html
> 
> Now I ask you if this is true?  I find it very hard to believe but
> admittedly haven't seen it happen myself nor been around 150KW AM
> transmitters or standing directly next to Hi powered tv antennaes.

If a bird landed on one of the outer strands of an open wire line
(230 ohm) with 150 kW on the center conductor(s) it would not take
a very large bird to decrease the distance enough to go ZAP.  

---------------------------------------------
Phil Alexander, CSRE, AMD
Broadcast Engineering Services and Technology 
(a Div. of Advanced Parts Corporation) 
Ph. (317) 335-2065   FAX (317) 335-9037





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