Some notes on the 10 GHz receiver construction competion:

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here is a video of the VUSHF2008 Nordic Microwave Meeting building competition 10 GHz Receiver Reference Design (12.3 Mb)
I built this in about 1. 5 hours using a wok pan lid, matchbox and 1N21C (4 GHz !) diode, so a team should manage it easily...
contestants formed four country teams and were given wok pan lids, tape, strips of plastic and wood, miscellaneous components and all sorts of other junkbox "stuff"
the objective was to build and operate a linearly polarized 10 GHz receiver with AM detection
this receiver was then to be used to locate two hidden microwave transmitters and to define their polarisation
one was hidden in a box, the second in a gutter, radiating down the spout - this was a real pain to find ;-)
this time the Danish team was a clear winner, first to give a complete report of fox locations and polarisations

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Updated 14.06.2009