Hello Universe!
After thinking about what project to enter, I remembered the ET beacon, I have been thinking about building it. Now I have a good reason to do so!
The original movie beacon is discussed in an article in the april 1983 issue of 73 Magazine. all issues of 73 are now on the internet archive so everyone can read the article. But here's a picture of the original plan:
http://2.bp.blogspot.com/_Yaoe2Ha8Lpk/ShYp9xeqQQI/AAAAAAAAE4U/sfefvj_Pd8w/s1600-h/73_1983.jpg
The whole magazine is downloadable here https://archive.org/details/73-magazine-1983-04
Page 52 has the article.
The system itself looks easy enough to build, but I'll likely replace the speak&spell with something different, as it is expensive and quite unavailable here. If nothing suitable turns up simple CW or FSK will be used.
The ET beacon is said to be on microwaves and the lowest microwave band available here is the 1296MHz band, this can be achieved with a satellite tv tuner module. But the original uses a UHF tuner feeding a multiplier, so it is going to be also explored. Thankfully I have a well stocked junkbox. :)
More info to follow as I recruit members to the team.
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