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Well, Duh, Reentries Are HOT
Kirt's Cogitations™ #109

These original Kirt's Cogitations™ may be reproduced (no more than 5, please) provided proper credit is given to me, Kirt Blattenberger.

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   Cog·i·ta·tion [koj-i-tey'-shun] – noun: Concerted thought or
                                        reflection; meditation; contemplation.
   Kirt [kert] – proper noun: RF Cafe webmaster.



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Well, Duh, Reentries Are HOT

3 out of the 4 space flight fatalities in the last 35 years have occurred during reentry. The Soyez 1 reentry accident of 1967 and Soyez 11 reentry claimed a total of 4 cosmonauts. We lost the Columbia space shuttle during reentry in February of this year. The only fatal launch accident was the Challenger shuttle in 1986. The Apollo 1 tragedy in 1967 technically was not a flight accident because the fire occurred during a practice run while still on the launch pad.

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RF Cascade Workbook
 RF Cascade Workbook is a very extensive system cascaded component Excel workbook that includes the standard Gain, NF, IP2, IP3, Psat calculations, input & output VSWR, noise BW, min/max tolerance, DC power cauculations, graphing of all RF parameters, and has a graphical block diagram tool. An extensive User's Guide is also included. - Only $35.
RF system analysis including
frequency conversion & filters

Smith Chart™ for Excel
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