Technical Talks at our 2003 meetings

The World of Millimeter Waves
Joe, AH6RQ talked about the SSMIS sensor that he worked on before retiring to Maui. This was a 24 channel millimeter wave passive radiometric sensor that flys on an Air Force Weather Satellite. Channel frequencies ranged from 19 to 183 GHz . Joe shared some of  the challenges  of developing and testing space qualified hardware at these frequencies. Also discussed were some of the interesting applications of passive millimeter- wave radiometry and data products  that  the SSMIS sensor produces.

P.S.
 The first  SSMIS was launched after the talk and Joe is proud to report that it is working very well.

Practical Antenna Design

John, K6GSS gave a  presentation on the design theory and real world performance of some antennas. A lot of information was presented that just doesn't appear in the handbooks  but is learned over the years in the school of hard knocks!


Propagation

Joe, AH6RQ gave a talk on propagation that included the ionosphere, solar effects, some special propagation modes and understanding m.u.f.  Joe's talk  addressed both the basic theory and  more complex and subtle aspects of propagation.

Guam

Jason, WH6BXK, shared his experiences in providing communications support for the DMAT effort in Guam following damage by super typhoon Ponsona.  We learned some real world problems in emergency communications.

APRS reporting and GPS

Lane, KE7UT gave a very interesting talk on APRS ans GPS in general. We fired up the computer in our meeting room and viewed a practical demonstration.



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